org.jtransforms.utils.CommonUtils Maven / Gradle / Ivy
/* ***** BEGIN LICENSE BLOCK *****
* JTransforms
* Copyright (c) 2007 onward, Piotr Wendykier
* All rights reserved.
*
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* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
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*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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package org.jtransforms.utils;
import java.util.concurrent.Future;
import pl.edu.icm.jlargearrays.DoubleLargeArray;
import pl.edu.icm.jlargearrays.FloatLargeArray;
import pl.edu.icm.jlargearrays.LongLargeArray;
/**
* Static methods used internally in FFT and DCT code.
*
* @author Piotr Wendykier ([email protected])
*/
public class CommonUtils
{
public CommonUtils()
{
}
public static long getReminder(long n, int factors[])
{
long reminder = n;
if (n <= 0) {
throw new IllegalArgumentException("n must be positive integer");
}
for (int i = 0; i < factors.length && reminder != 1l; i++) {
long factor = factors[i];
while ((reminder % factor) == 0) {
reminder /= factor;
}
}
return reminder;
}
public static void makeipt(int nw, int[] ip)
{
int j, l, m, m2, p, q;
ip[2] = 0;
ip[3] = 16;
m = 2;
for (l = nw; l > 32; l >>= 2) {
m2 = m << 1;
q = m2 << 3;
for (j = m; j < m2; j++) {
p = ip[j] << 2;
ip[m + j] = p;
ip[m2 + j] = p + q;
}
m = m2;
}
}
public static void makeipt(long nw, LongLargeArray ipl)
{
long j, l, m, m2, p, q;
ipl.setLong(2, 0);
ipl.setLong(3, 16);
m = 2;
for (l = nw; l > 32; l >>= 2l) {
m2 = m << 1l;
q = m2 << 3l;
for (j = m; j < m2; j++) {
p = ipl.getLong(j) << 2l;
ipl.setLong(m + j, p);
ipl.setLong(m2 + j, p + q);
}
m = m2;
}
}
public static void makewt(int nw, int[] ip, double[] w)
{
int j, nwh, nw0, nw1;
double delta, wn4r, wk1r, wk1i, wk3r, wk3i;
double delta2, deltaj, deltaj3;
ip[0] = nw;
ip[1] = 1;
if (nw > 2) {
nwh = nw >> 1;
delta = 0.785398163397448278999490867136046290 / nwh;
delta2 = delta * 2;
wn4r = Math.cos(delta * nwh);
w[0] = 1;
w[1] = wn4r;
if (nwh == 4) {
w[2] = Math.cos(delta2);
w[3] = Math.sin(delta2);
} else if (nwh > 4) {
CommonUtils.makeipt(nw, ip);
w[2] = 0.5 / Math.cos(delta2);
w[3] = 0.5 / Math.cos(delta * 6);
for (j = 4; j < nwh; j += 4) {
deltaj = delta * j;
deltaj3 = 3 * deltaj;
w[j] = Math.cos(deltaj);
w[j + 1] = Math.sin(deltaj);
w[j + 2] = Math.cos(deltaj3);
w[j + 3] = -Math.sin(deltaj3);
}
}
nw0 = 0;
while (nwh > 2) {
nw1 = nw0 + nwh;
nwh >>= 1;
w[nw1] = 1;
w[nw1 + 1] = wn4r;
if (nwh == 4) {
wk1r = w[nw0 + 4];
wk1i = w[nw0 + 5];
w[nw1 + 2] = wk1r;
w[nw1 + 3] = wk1i;
} else if (nwh > 4) {
wk1r = w[nw0 + 4];
wk3r = w[nw0 + 6];
w[nw1 + 2] = 0.5 / wk1r;
w[nw1 + 3] = 0.5 / wk3r;
for (j = 4; j < nwh; j += 4) {
int idx1 = nw0 + 2 * j;
int idx2 = nw1 + j;
wk1r = w[idx1];
wk1i = w[idx1 + 1];
wk3r = w[idx1 + 2];
wk3i = w[idx1 + 3];
w[idx2] = wk1r;
w[idx2 + 1] = wk1i;
w[idx2 + 2] = wk3r;
w[idx2 + 3] = wk3i;
}
}
nw0 = nw1;
}
}
}
public static void makewt(long nw, LongLargeArray ipl, DoubleLargeArray wl)
{
long j, nwh, nw0, nw1;
double delta, wn4r, wk1r, wk1i, wk3r, wk3i;
double delta2, deltaj, deltaj3;
ipl.setLong(0, nw);
ipl.setLong(1, 1l);
if (nw > 2) {
nwh = nw >> 1;
delta = 0.785398163397448278999490867136046290 / nwh;
delta2 = delta * 2;
wn4r = Math.cos(delta * nwh);
wl.setDouble(0, 1);
wl.setDouble(1, wn4r);
if (nwh == 4) {
wl.setDouble(2, Math.cos(delta2));
wl.setDouble(3, Math.sin(delta2));
} else if (nwh > 4) {
CommonUtils.makeipt(nw, ipl);
wl.setDouble(2, 0.5 / Math.cos(delta2));
wl.setDouble(3, 0.5 / Math.cos(delta * 6));
for (j = 4; j < nwh; j += 4) {
deltaj = delta * j;
deltaj3 = 3 * deltaj;
wl.setDouble(j, Math.cos(deltaj));
wl.setDouble(j + 1, Math.sin(deltaj));
wl.setDouble(j + 2, Math.cos(deltaj3));
wl.setDouble(j + 3, -Math.sin(deltaj3));
}
}
nw0 = 0;
while (nwh > 2) {
nw1 = nw0 + nwh;
nwh >>= 1l;
wl.setDouble(nw1, 1);
wl.setDouble(nw1 + 1, wn4r);
if (nwh == 4) {
wk1r = wl.getDouble(nw0 + 4);
wk1i = wl.getDouble(nw0 + 5);
wl.setDouble(nw1 + 2, wk1r);
wl.setDouble(nw1 + 3, wk1i);
} else if (nwh > 4) {
wk1r = wl.getDouble(nw0 + 4);
wk3r = wl.getDouble(nw0 + 6);
wl.setDouble(nw1 + 2, 0.5 / wk1r);
wl.setDouble(nw1 + 3, 0.5 / wk3r);
for (j = 4; j < nwh; j += 4) {
long idx1 = nw0 + 2 * j;
long idx2 = nw1 + j;
wk1r = wl.getDouble(idx1);
wk1i = wl.getDouble(idx1 + 1);
wk3r = wl.getDouble(idx1 + 2);
wk3i = wl.getDouble(idx1 + 3);
wl.setDouble(idx2, wk1r);
wl.setDouble(idx2 + 1, wk1i);
wl.setDouble(idx2 + 2, wk3r);
wl.setDouble(idx2 + 3, wk3i);
}
}
nw0 = nw1;
}
}
}
public static void makect(int nc, double[] c, int startc, int[] ip)
{
int j, nch;
double delta, deltaj;
ip[1] = nc;
if (nc > 1) {
nch = nc >> 1;
delta = 0.785398163397448278999490867136046290 / nch;
c[startc] = Math.cos(delta * nch);
c[startc + nch] = 0.5 * c[startc];
for (j = 1; j < nch; j++) {
deltaj = delta * j;
c[startc + j] = 0.5 * Math.cos(deltaj);
c[startc + nc - j] = 0.5 * Math.sin(deltaj);
}
}
}
public static void makect(long nc, DoubleLargeArray c, long startc, LongLargeArray ipl)
{
long j, nch;
double delta, deltaj;
ipl.setLong(1, nc);
if (nc > 1) {
nch = nc >> 1l;
delta = 0.785398163397448278999490867136046290 / nch;
c.setDouble(startc, Math.cos(delta * nch));
c.setDouble(startc + nch, 0.5 * c.getDouble(startc));
for (j = 1; j < nch; j++) {
deltaj = delta * j;
c.setDouble(startc + j, 0.5 * Math.cos(deltaj));
c.setDouble(startc + nc - j, 0.5 * Math.sin(deltaj));
}
}
}
public static void makect(int nc, float[] c, int startc, int[] ip)
{
int j, nch;
float delta, deltaj;
ip[1] = nc;
if (nc > 1) {
nch = nc >> 1;
delta = 0.785398163397448278999490867136046290f / nch;
c[startc] = (float) Math.cos(delta * nch);
c[startc + nch] = 0.5f * c[startc];
for (j = 1; j < nch; j++) {
deltaj = delta * j;
c[startc + j] = 0.5f * (float) Math.cos(deltaj);
c[startc + nc - j] = 0.5f * (float) Math.sin(deltaj);
}
}
}
public static void makect(long nc, FloatLargeArray c, long startc, LongLargeArray ipl)
{
long j, nch;
float delta, deltaj;
ipl.setLong(1, nc);
if (nc > 1) {
nch = nc >> 1l;
delta = 0.785398163397448278999490867136046290f / nch;
c.setFloat(startc, (float) Math.cos(delta * nch));
c.setFloat(startc + nch, 0.5f * c.getFloat(startc));
for (j = 1; j < nch; j++) {
deltaj = delta * j;
c.setFloat(startc + j, 0.5f * (float) Math.cos(deltaj));
c.setFloat(startc + nc - j, 0.5f * (float) Math.sin(deltaj));
}
}
}
public static void makewt(int nw, int[] ip, float[] w)
{
int j, nwh, nw0, nw1;
float delta, wn4r, wk1r, wk1i, wk3r, wk3i;
float delta2, deltaj, deltaj3;
ip[0] = nw;
ip[1] = 1;
if (nw > 2) {
nwh = nw >> 1;
delta = 0.785398163397448278999490867136046290f / nwh;
delta2 = delta * 2;
wn4r = (float) Math.cos(delta * nwh);
w[0] = 1;
w[1] = wn4r;
if (nwh == 4) {
w[2] = (float) Math.cos(delta2);
w[3] = (float) Math.sin(delta2);
} else if (nwh > 4) {
CommonUtils.makeipt(nw, ip);
w[2] = 0.5f / (float) Math.cos(delta2);
w[3] = 0.5f / (float) Math.cos(delta * 6);
for (j = 4; j < nwh; j += 4) {
deltaj = delta * j;
deltaj3 = 3 * deltaj;
w[j] = (float) Math.cos(deltaj);
w[j + 1] = (float) Math.sin(deltaj);
w[j + 2] = (float) Math.cos(deltaj3);
w[j + 3] = -(float) Math.sin(deltaj3);
}
}
nw0 = 0;
while (nwh > 2) {
nw1 = nw0 + nwh;
nwh >>= 1;
w[nw1] = 1;
w[nw1 + 1] = wn4r;
if (nwh == 4) {
wk1r = w[nw0 + 4];
wk1i = w[nw0 + 5];
w[nw1 + 2] = wk1r;
w[nw1 + 3] = wk1i;
} else if (nwh > 4) {
wk1r = w[nw0 + 4];
wk3r = w[nw0 + 6];
w[nw1 + 2] = 0.5f / wk1r;
w[nw1 + 3] = 0.5f / wk3r;
for (j = 4; j < nwh; j += 4) {
int idx1 = nw0 + 2 * j;
int idx2 = nw1 + j;
wk1r = w[idx1];
wk1i = w[idx1 + 1];
wk3r = w[idx1 + 2];
wk3i = w[idx1 + 3];
w[idx2] = wk1r;
w[idx2 + 1] = wk1i;
w[idx2 + 2] = wk3r;
w[idx2 + 3] = wk3i;
}
}
nw0 = nw1;
}
}
}
public static void makewt(long nw, LongLargeArray ipl, FloatLargeArray wl)
{
long j, nwh, nw0, nw1;
float delta, wn4r, wk1r, wk1i, wk3r, wk3i;
float delta2, deltaj, deltaj3;
ipl.setLong(0, nw);
ipl.setLong(1, 1l);
if (nw > 2) {
nwh = nw >> 1;
delta = 0.785398163397448278999490867136046290f / nwh;
delta2 = delta * 2;
wn4r = (float) Math.cos(delta * nwh);
wl.setFloat(0, 1);
wl.setFloat(1, wn4r);
if (nwh == 4) {
wl.setFloat(2, (float) Math.cos(delta2));
wl.setFloat(3, (float) Math.sin(delta2));
} else if (nwh > 4) {
CommonUtils.makeipt(nw, ipl);
wl.setFloat(2, 0.5f / (float) Math.cos(delta2));
wl.setFloat(3, 0.5f / (float) Math.cos(delta * 6));
for (j = 4; j < nwh; j += 4) {
deltaj = delta * j;
deltaj3 = 3 * deltaj;
wl.setFloat(j, (float) Math.cos(deltaj));
wl.setFloat(j + 1, (float) Math.sin(deltaj));
wl.setFloat(j + 2, (float) Math.cos(deltaj3));
wl.setFloat(j + 3, -(float) Math.sin(deltaj3));
}
}
nw0 = 0;
while (nwh > 2) {
nw1 = nw0 + nwh;
nwh >>= 1l;
wl.setFloat(nw1, 1);
wl.setFloat(nw1 + 1, wn4r);
if (nwh == 4) {
wk1r = wl.getFloat(nw0 + 4);
wk1i = wl.getFloat(nw0 + 5);
wl.setFloat(nw1 + 2, wk1r);
wl.setFloat(nw1 + 3, wk1i);
} else if (nwh > 4) {
wk1r = wl.getFloat(nw0 + 4);
wk3r = wl.getFloat(nw0 + 6);
wl.setFloat(nw1 + 2, 0.5f / wk1r);
wl.setFloat(nw1 + 3, 0.5f / wk3r);
for (j = 4; j < nwh; j += 4) {
long idx1 = nw0 + 2 * j;
long idx2 = nw1 + j;
wk1r = wl.getFloat(idx1);
wk1i = wl.getFloat(idx1 + 1);
wk3r = wl.getFloat(idx1 + 2);
wk3i = wl.getFloat(idx1 + 3);
wl.setFloat(idx2, wk1r);
wl.setFloat(idx2 + 1, wk1i);
wl.setFloat(idx2 + 2, wk3r);
wl.setFloat(idx2 + 3, wk3i);
}
}
nw0 = nw1;
}
}
}
public static void cftfsub(int n, double[] a, int offa, int[] ip, int nw, double[] w)
{
if (n > 8) {
if (n > 32) {
cftf1st(n, a, offa, w, nw - (n >> 2));
if ((ConcurrencyUtils.getNumberOfThreads() > 1) && (n >= ConcurrencyUtils.getThreadsBeginN_1D_FFT_2Threads())) {
cftrec4_th(n, a, offa, nw, w);
} else if (n > 512) {
cftrec4(n, a, offa, nw, w);
} else if (n > 128) {
cftleaf(n, 1, a, offa, nw, w);
} else {
cftfx41(n, a, offa, nw, w);
}
bitrv2(n, ip, a, offa);
} else if (n == 32) {
cftf161(a, offa, w, nw - 8);
bitrv216(a, offa);
} else {
cftf081(a, offa, w, 0);
bitrv208(a, offa);
}
} else if (n == 8) {
cftf040(a, offa);
} else if (n == 4) {
cftxb020(a, offa);
}
}
public static void cftfsub(long n, DoubleLargeArray a, long offa, LongLargeArray ip, long nw, DoubleLargeArray w)
{
if (n > 8) {
if (n > 32) {
cftf1st(n, a, offa, w, nw - (n >> 2l));
if ((ConcurrencyUtils.getNumberOfThreads() > 1) && (n >= ConcurrencyUtils.getThreadsBeginN_1D_FFT_2Threads())) {
cftrec4_th(n, a, offa, nw, w);
} else if (n > 512) {
cftrec4(n, a, offa, nw, w);
} else if (n > 128) {
cftleaf(n, 1, a, offa, nw, w);
} else {
cftfx41(n, a, offa, nw, w);
}
bitrv2l(n, ip, a, offa);
} else if (n == 32) {
cftf161(a, offa, w, nw - 8);
bitrv216(a, offa);
} else {
cftf081(a, offa, w, 0);
bitrv208(a, offa);
}
} else if (n == 8) {
cftf040(a, offa);
} else if (n == 4) {
cftxb020(a, offa);
}
}
public static void cftbsub(int n, double[] a, int offa, int[] ip, int nw, double[] w)
{
if (n > 8) {
if (n > 32) {
cftb1st(n, a, offa, w, nw - (n >> 2));
if ((ConcurrencyUtils.getNumberOfThreads() > 1) && (n >= ConcurrencyUtils.getThreadsBeginN_1D_FFT_2Threads())) {
cftrec4_th(n, a, offa, nw, w);
} else if (n > 512) {
cftrec4(n, a, offa, nw, w);
} else if (n > 128) {
cftleaf(n, 1, a, offa, nw, w);
} else {
cftfx41(n, a, offa, nw, w);
}
bitrv2conj(n, ip, a, offa);
} else if (n == 32) {
cftf161(a, offa, w, nw - 8);
bitrv216neg(a, offa);
} else {
cftf081(a, offa, w, 0);
bitrv208neg(a, offa);
}
} else if (n == 8) {
cftb040(a, offa);
} else if (n == 4) {
cftxb020(a, offa);
}
}
public static void cftbsub(long n, DoubleLargeArray a, long offa, LongLargeArray ip, long nw, DoubleLargeArray w)
{
if (n > 8) {
if (n > 32) {
cftb1st(n, a, offa, w, nw - (n >> 2l));
if ((ConcurrencyUtils.getNumberOfThreads() > 1) && (n >= ConcurrencyUtils.getThreadsBeginN_1D_FFT_2Threads())) {
cftrec4_th(n, a, offa, nw, w);
} else if (n > 512) {
cftrec4(n, a, offa, nw, w);
} else if (n > 128) {
cftleaf(n, 1, a, offa, nw, w);
} else {
cftfx41(n, a, offa, nw, w);
}
bitrv2conj(n, ip, a, offa);
} else if (n == 32) {
cftf161(a, offa, w, nw - 8);
bitrv216neg(a, offa);
} else {
cftf081(a, offa, w, 0);
bitrv208neg(a, offa);
}
} else if (n == 8) {
cftb040(a, offa);
} else if (n == 4) {
cftxb020(a, offa);
}
}
public static void bitrv2(int n, int[] ip, double[] a, int offa)
{
int j1, k1, l, m, nh, nm;
double xr, xi, yr, yi;
int idx0, idx1, idx2;
m = 1;
for (l = n >> 2; l > 8; l >>= 2) {
m <<= 1;
}
nh = n >> 1;
nm = 4 * m;
if (l == 8) {
for (int k = 0; k < m; k++) {
idx0 = 4 * k;
for (int j = 0; j < k; j++) {
j1 = 4 * j + 2 * ip[m + k];
k1 = idx0 + 2 * ip[m + j];
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nh;
k1 += 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nh;
k1 -= 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
}
k1 = idx0 + 2 * ip[m + k];
j1 = k1 + 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= 2;
k1 -= nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nh + 2;
k1 += nh + 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nh - nm;
k1 += 2 * nm - 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
}
} else {
for (int k = 0; k < m; k++) {
idx0 = 4 * k;
for (int j = 0; j < k; j++) {
j1 = 4 * j + ip[m + k];
k1 = idx0 + ip[m + j];
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nh;
k1 += 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nh;
k1 -= 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
}
k1 = idx0 + ip[m + k];
j1 = k1 + 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
}
}
}
public static void bitrv2l(long n, LongLargeArray ip, DoubleLargeArray a, long offa)
{
long j1, k1, l, m, nh, nm;
double xr, xi, yr, yi;
long idx0, idx1, idx2;
m = 1;
for (l = n >> 2l; l > 8; l >>= 2l) {
m <<= 1l;
}
nh = n >> 1l;
nm = 4 * m;
if (l == 8) {
for (long k = 0; k < m; k++) {
idx0 = 4 * k;
for (long j = 0; j < k; j++) {
j1 = 4 * j + 2 * ip.getLong(m + k);
k1 = idx0 + 2 * ip.getLong(m + j);
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nh;
k1 += 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nh;
k1 -= 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
}
k1 = idx0 + 2 * ip.getLong(m + k);
j1 = k1 + 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= 2;
k1 -= nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nh + 2;
k1 += nh + 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nh - nm;
k1 += 2 * nm - 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
}
} else {
for (long k = 0; k < m; k++) {
idx0 = 4 * k;
for (long j = 0; j < k; j++) {
j1 = 4 * j + ip.getLong(m + k);
k1 = idx0 + ip.getLong(m + j);
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nh;
k1 += 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nh;
k1 -= 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
}
k1 = idx0 + ip.getLong(m + k);
j1 = k1 + 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
}
}
}
public static void bitrv2conj(int n, int[] ip, double[] a, int offa)
{
int j1, k1, l, m, nh, nm;
double xr, xi, yr, yi;
int idx0, idx1, idx2;
m = 1;
for (l = n >> 2; l > 8; l >>= 2) {
m <<= 1;
}
nh = n >> 1;
nm = 4 * m;
if (l == 8) {
for (int k = 0; k < m; k++) {
idx0 = 4 * k;
for (int j = 0; j < k; j++) {
j1 = 4 * j + 2 * ip[m + k];
k1 = idx0 + 2 * ip[m + j];
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nh;
k1 += 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nh;
k1 -= 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
}
k1 = idx0 + 2 * ip[m + k];
j1 = k1 + 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
a[idx1 - 1] = -a[idx1 - 1];
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
a[idx2 + 3] = -a[idx2 + 3];
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= 2;
k1 -= nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nh + 2;
k1 += nh + 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nh - nm;
k1 += 2 * nm - 2;
idx1 = offa + j1;
idx2 = offa + k1;
a[idx1 - 1] = -a[idx1 - 1];
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
a[idx2 + 3] = -a[idx2 + 3];
}
} else {
for (int k = 0; k < m; k++) {
idx0 = 4 * k;
for (int j = 0; j < k; j++) {
j1 = 4 * j + ip[m + k];
k1 = idx0 + ip[m + j];
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nh;
k1 += 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nh;
k1 -= 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
}
k1 = idx0 + ip[m + k];
j1 = k1 + 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
a[idx1 - 1] = -a[idx1 - 1];
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
a[idx2 + 3] = -a[idx2 + 3];
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
a[idx1 - 1] = -a[idx1 - 1];
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
a[idx2 + 3] = -a[idx2 + 3];
}
}
}
public static void bitrv2conj(long n, LongLargeArray ip, DoubleLargeArray a, long offa)
{
long j1, k1, l, m, nh, nm;
double xr, xi, yr, yi;
long idx0, idx1, idx2;
m = 1;
for (l = n >> 2l; l > 8; l >>= 2l) {
m <<= 1;
}
nh = n >> 1l;
nm = 4 * m;
if (l == 8) {
for (long k = 0; k < m; k++) {
idx0 = 4 * k;
for (long j = 0; j < k; j++) {
j1 = 4 * j + 2 * ip.getLong(m + k);
k1 = idx0 + 2 * ip.getLong(m + j);
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nh;
k1 += 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nh;
k1 -= 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
}
k1 = idx0 + 2 * ip.getLong(m + k);
j1 = k1 + 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
a.setDouble(idx1 - 1, -a.getDouble(idx1 - 1));
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
a.setDouble(idx2 + 3, -a.getDouble(idx2 + 3));
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= 2;
k1 -= nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nh + 2;
k1 += nh + 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nh - nm;
k1 += 2 * nm - 2;
idx1 = offa + j1;
idx2 = offa + k1;
a.setDouble(idx1 - 1, -a.getDouble(idx1 - 1));
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
a.setDouble(idx2 + 3, -a.getDouble(idx2 + 3));
}
} else {
for (int k = 0; k < m; k++) {
idx0 = 4 * k;
for (int j = 0; j < k; j++) {
j1 = 4 * j + ip.getLong(m + k);
k1 = idx0 + ip.getLong(m + j);
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nh;
k1 += 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nh;
k1 -= 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
j1 -= nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
}
k1 = idx0 + ip.getLong(m + k);
j1 = k1 + 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
a.setDouble(idx1 - 1, -a.getDouble(idx1 - 1));
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
a.setDouble(idx2 + 3, -a.getDouble(idx2 + 3));
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
a.setDouble(idx1 - 1, -a.getDouble(idx1 - 1));
xr = a.getDouble(idx1);
xi = -a.getDouble(idx1 + 1);
yr = a.getDouble(idx2);
yi = -a.getDouble(idx2 + 1);
a.setDouble(idx1, yr);
a.setDouble(idx1 + 1, yi);
a.setDouble(idx2, xr);
a.setDouble(idx2 + 1, xi);
a.setDouble(idx2 + 3, -a.getDouble(idx2 + 3));
}
}
}
public static void bitrv216(double[] a, int offa)
{
double x1r, x1i, x2r, x2i, x3r, x3i, x4r, x4i, x5r, x5i, x7r, x7i, x8r, x8i, x10r, x10i, x11r, x11i, x12r, x12i, x13r, x13i, x14r, x14i;
x1r = a[offa + 2];
x1i = a[offa + 3];
x2r = a[offa + 4];
x2i = a[offa + 5];
x3r = a[offa + 6];
x3i = a[offa + 7];
x4r = a[offa + 8];
x4i = a[offa + 9];
x5r = a[offa + 10];
x5i = a[offa + 11];
x7r = a[offa + 14];
x7i = a[offa + 15];
x8r = a[offa + 16];
x8i = a[offa + 17];
x10r = a[offa + 20];
x10i = a[offa + 21];
x11r = a[offa + 22];
x11i = a[offa + 23];
x12r = a[offa + 24];
x12i = a[offa + 25];
x13r = a[offa + 26];
x13i = a[offa + 27];
x14r = a[offa + 28];
x14i = a[offa + 29];
a[offa + 2] = x8r;
a[offa + 3] = x8i;
a[offa + 4] = x4r;
a[offa + 5] = x4i;
a[offa + 6] = x12r;
a[offa + 7] = x12i;
a[offa + 8] = x2r;
a[offa + 9] = x2i;
a[offa + 10] = x10r;
a[offa + 11] = x10i;
a[offa + 14] = x14r;
a[offa + 15] = x14i;
a[offa + 16] = x1r;
a[offa + 17] = x1i;
a[offa + 20] = x5r;
a[offa + 21] = x5i;
a[offa + 22] = x13r;
a[offa + 23] = x13i;
a[offa + 24] = x3r;
a[offa + 25] = x3i;
a[offa + 26] = x11r;
a[offa + 27] = x11i;
a[offa + 28] = x7r;
a[offa + 29] = x7i;
}
public static void bitrv216(DoubleLargeArray a, long offa)
{
double x1r, x1i, x2r, x2i, x3r, x3i, x4r, x4i, x5r, x5i, x7r, x7i, x8r, x8i, x10r, x10i, x11r, x11i, x12r, x12i, x13r, x13i, x14r, x14i;
x1r = a.getDouble(offa + 2);
x1i = a.getDouble(offa + 3);
x2r = a.getDouble(offa + 4);
x2i = a.getDouble(offa + 5);
x3r = a.getDouble(offa + 6);
x3i = a.getDouble(offa + 7);
x4r = a.getDouble(offa + 8);
x4i = a.getDouble(offa + 9);
x5r = a.getDouble(offa + 10);
x5i = a.getDouble(offa + 11);
x7r = a.getDouble(offa + 14);
x7i = a.getDouble(offa + 15);
x8r = a.getDouble(offa + 16);
x8i = a.getDouble(offa + 17);
x10r = a.getDouble(offa + 20);
x10i = a.getDouble(offa + 21);
x11r = a.getDouble(offa + 22);
x11i = a.getDouble(offa + 23);
x12r = a.getDouble(offa + 24);
x12i = a.getDouble(offa + 25);
x13r = a.getDouble(offa + 26);
x13i = a.getDouble(offa + 27);
x14r = a.getDouble(offa + 28);
x14i = a.getDouble(offa + 29);
a.setDouble(offa + 2, x8r);
a.setDouble(offa + 3, x8i);
a.setDouble(offa + 4, x4r);
a.setDouble(offa + 5, x4i);
a.setDouble(offa + 6, x12r);
a.setDouble(offa + 7, x12i);
a.setDouble(offa + 8, x2r);
a.setDouble(offa + 9, x2i);
a.setDouble(offa + 10, x10r);
a.setDouble(offa + 11, x10i);
a.setDouble(offa + 14, x14r);
a.setDouble(offa + 15, x14i);
a.setDouble(offa + 16, x1r);
a.setDouble(offa + 17, x1i);
a.setDouble(offa + 20, x5r);
a.setDouble(offa + 21, x5i);
a.setDouble(offa + 22, x13r);
a.setDouble(offa + 23, x13i);
a.setDouble(offa + 24, x3r);
a.setDouble(offa + 25, x3i);
a.setDouble(offa + 26, x11r);
a.setDouble(offa + 27, x11i);
a.setDouble(offa + 28, x7r);
a.setDouble(offa + 29, x7i);
}
public static void bitrv216neg(double[] a, int offa)
{
double x1r, x1i, x2r, x2i, x3r, x3i, x4r, x4i, x5r, x5i, x6r, x6i, x7r, x7i, x8r, x8i, x9r, x9i, x10r, x10i, x11r, x11i, x12r, x12i, x13r, x13i, x14r, x14i, x15r, x15i;
x1r = a[offa + 2];
x1i = a[offa + 3];
x2r = a[offa + 4];
x2i = a[offa + 5];
x3r = a[offa + 6];
x3i = a[offa + 7];
x4r = a[offa + 8];
x4i = a[offa + 9];
x5r = a[offa + 10];
x5i = a[offa + 11];
x6r = a[offa + 12];
x6i = a[offa + 13];
x7r = a[offa + 14];
x7i = a[offa + 15];
x8r = a[offa + 16];
x8i = a[offa + 17];
x9r = a[offa + 18];
x9i = a[offa + 19];
x10r = a[offa + 20];
x10i = a[offa + 21];
x11r = a[offa + 22];
x11i = a[offa + 23];
x12r = a[offa + 24];
x12i = a[offa + 25];
x13r = a[offa + 26];
x13i = a[offa + 27];
x14r = a[offa + 28];
x14i = a[offa + 29];
x15r = a[offa + 30];
x15i = a[offa + 31];
a[offa + 2] = x15r;
a[offa + 3] = x15i;
a[offa + 4] = x7r;
a[offa + 5] = x7i;
a[offa + 6] = x11r;
a[offa + 7] = x11i;
a[offa + 8] = x3r;
a[offa + 9] = x3i;
a[offa + 10] = x13r;
a[offa + 11] = x13i;
a[offa + 12] = x5r;
a[offa + 13] = x5i;
a[offa + 14] = x9r;
a[offa + 15] = x9i;
a[offa + 16] = x1r;
a[offa + 17] = x1i;
a[offa + 18] = x14r;
a[offa + 19] = x14i;
a[offa + 20] = x6r;
a[offa + 21] = x6i;
a[offa + 22] = x10r;
a[offa + 23] = x10i;
a[offa + 24] = x2r;
a[offa + 25] = x2i;
a[offa + 26] = x12r;
a[offa + 27] = x12i;
a[offa + 28] = x4r;
a[offa + 29] = x4i;
a[offa + 30] = x8r;
a[offa + 31] = x8i;
}
public static void bitrv216neg(DoubleLargeArray a, long offa)
{
double x1r, x1i, x2r, x2i, x3r, x3i, x4r, x4i, x5r, x5i, x6r, x6i, x7r, x7i, x8r, x8i, x9r, x9i, x10r, x10i, x11r, x11i, x12r, x12i, x13r, x13i, x14r, x14i, x15r, x15i;
x1r = a.getDouble(offa + 2);
x1i = a.getDouble(offa + 3);
x2r = a.getDouble(offa + 4);
x2i = a.getDouble(offa + 5);
x3r = a.getDouble(offa + 6);
x3i = a.getDouble(offa + 7);
x4r = a.getDouble(offa + 8);
x4i = a.getDouble(offa + 9);
x5r = a.getDouble(offa + 10);
x5i = a.getDouble(offa + 11);
x6r = a.getDouble(offa + 12);
x6i = a.getDouble(offa + 13);
x7r = a.getDouble(offa + 14);
x7i = a.getDouble(offa + 15);
x8r = a.getDouble(offa + 16);
x8i = a.getDouble(offa + 17);
x9r = a.getDouble(offa + 18);
x9i = a.getDouble(offa + 19);
x10r = a.getDouble(offa + 20);
x10i = a.getDouble(offa + 21);
x11r = a.getDouble(offa + 22);
x11i = a.getDouble(offa + 23);
x12r = a.getDouble(offa + 24);
x12i = a.getDouble(offa + 25);
x13r = a.getDouble(offa + 26);
x13i = a.getDouble(offa + 27);
x14r = a.getDouble(offa + 28);
x14i = a.getDouble(offa + 29);
x15r = a.getDouble(offa + 30);
x15i = a.getDouble(offa + 31);
a.setDouble(offa + 2, x15r);
a.setDouble(offa + 3, x15i);
a.setDouble(offa + 4, x7r);
a.setDouble(offa + 5, x7i);
a.setDouble(offa + 6, x11r);
a.setDouble(offa + 7, x11i);
a.setDouble(offa + 8, x3r);
a.setDouble(offa + 9, x3i);
a.setDouble(offa + 10, x13r);
a.setDouble(offa + 11, x13i);
a.setDouble(offa + 12, x5r);
a.setDouble(offa + 13, x5i);
a.setDouble(offa + 14, x9r);
a.setDouble(offa + 15, x9i);
a.setDouble(offa + 16, x1r);
a.setDouble(offa + 17, x1i);
a.setDouble(offa + 18, x14r);
a.setDouble(offa + 19, x14i);
a.setDouble(offa + 20, x6r);
a.setDouble(offa + 21, x6i);
a.setDouble(offa + 22, x10r);
a.setDouble(offa + 23, x10i);
a.setDouble(offa + 24, x2r);
a.setDouble(offa + 25, x2i);
a.setDouble(offa + 26, x12r);
a.setDouble(offa + 27, x12i);
a.setDouble(offa + 28, x4r);
a.setDouble(offa + 29, x4i);
a.setDouble(offa + 30, x8r);
a.setDouble(offa + 31, x8i);
}
public static void bitrv208(double[] a, int offa)
{
double x1r, x1i, x3r, x3i, x4r, x4i, x6r, x6i;
x1r = a[offa + 2];
x1i = a[offa + 3];
x3r = a[offa + 6];
x3i = a[offa + 7];
x4r = a[offa + 8];
x4i = a[offa + 9];
x6r = a[offa + 12];
x6i = a[offa + 13];
a[offa + 2] = x4r;
a[offa + 3] = x4i;
a[offa + 6] = x6r;
a[offa + 7] = x6i;
a[offa + 8] = x1r;
a[offa + 9] = x1i;
a[offa + 12] = x3r;
a[offa + 13] = x3i;
}
public static void bitrv208(DoubleLargeArray a, long offa)
{
double x1r, x1i, x3r, x3i, x4r, x4i, x6r, x6i;
x1r = a.getDouble(offa + 2);
x1i = a.getDouble(offa + 3);
x3r = a.getDouble(offa + 6);
x3i = a.getDouble(offa + 7);
x4r = a.getDouble(offa + 8);
x4i = a.getDouble(offa + 9);
x6r = a.getDouble(offa + 12);
x6i = a.getDouble(offa + 13);
a.setDouble(offa + 2, x4r);
a.setDouble(offa + 3, x4i);
a.setDouble(offa + 6, x6r);
a.setDouble(offa + 7, x6i);
a.setDouble(offa + 8, x1r);
a.setDouble(offa + 9, x1i);
a.setDouble(offa + 12, x3r);
a.setDouble(offa + 13, x3i);
}
public static void bitrv208neg(double[] a, int offa)
{
double x1r, x1i, x2r, x2i, x3r, x3i, x4r, x4i, x5r, x5i, x6r, x6i, x7r, x7i;
x1r = a[offa + 2];
x1i = a[offa + 3];
x2r = a[offa + 4];
x2i = a[offa + 5];
x3r = a[offa + 6];
x3i = a[offa + 7];
x4r = a[offa + 8];
x4i = a[offa + 9];
x5r = a[offa + 10];
x5i = a[offa + 11];
x6r = a[offa + 12];
x6i = a[offa + 13];
x7r = a[offa + 14];
x7i = a[offa + 15];
a[offa + 2] = x7r;
a[offa + 3] = x7i;
a[offa + 4] = x3r;
a[offa + 5] = x3i;
a[offa + 6] = x5r;
a[offa + 7] = x5i;
a[offa + 8] = x1r;
a[offa + 9] = x1i;
a[offa + 10] = x6r;
a[offa + 11] = x6i;
a[offa + 12] = x2r;
a[offa + 13] = x2i;
a[offa + 14] = x4r;
a[offa + 15] = x4i;
}
public static void bitrv208neg(DoubleLargeArray a, long offa)
{
double x1r, x1i, x2r, x2i, x3r, x3i, x4r, x4i, x5r, x5i, x6r, x6i, x7r, x7i;
x1r = a.getDouble(offa + 2);
x1i = a.getDouble(offa + 3);
x2r = a.getDouble(offa + 4);
x2i = a.getDouble(offa + 5);
x3r = a.getDouble(offa + 6);
x3i = a.getDouble(offa + 7);
x4r = a.getDouble(offa + 8);
x4i = a.getDouble(offa + 9);
x5r = a.getDouble(offa + 10);
x5i = a.getDouble(offa + 11);
x6r = a.getDouble(offa + 12);
x6i = a.getDouble(offa + 13);
x7r = a.getDouble(offa + 14);
x7i = a.getDouble(offa + 15);
a.setDouble(offa + 2, x7r);
a.setDouble(offa + 3, x7i);
a.setDouble(offa + 4, x3r);
a.setDouble(offa + 5, x3i);
a.setDouble(offa + 6, x5r);
a.setDouble(offa + 7, x5i);
a.setDouble(offa + 8, x1r);
a.setDouble(offa + 9, x1i);
a.setDouble(offa + 10, x6r);
a.setDouble(offa + 11, x6i);
a.setDouble(offa + 12, x2r);
a.setDouble(offa + 13, x2i);
a.setDouble(offa + 14, x4r);
a.setDouble(offa + 15, x4i);
}
public static void cftf1st(int n, double[] a, int offa, double[] w, int startw)
{
int j0, j1, j2, j3, k, m, mh;
double wn4r, csc1, csc3, wk1r, wk1i, wk3r, wk3i, wd1r, wd1i, wd3r, wd3i;
double x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i;
int idx0, idx1, idx2, idx3, idx4, idx5;
mh = n >> 3;
m = 2 * mh;
j1 = m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[offa] + a[idx2];
x0i = a[offa + 1] + a[idx2 + 1];
x1r = a[offa] - a[idx2];
x1i = a[offa + 1] - a[idx2 + 1];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
a[offa] = x0r + x2r;
a[offa + 1] = x0i + x2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i - x2i;
a[idx2] = x1r - x3i;
a[idx2 + 1] = x1i + x3r;
a[idx3] = x1r + x3i;
a[idx3 + 1] = x1i - x3r;
wn4r = w[startw + 1];
csc1 = w[startw + 2];
csc3 = w[startw + 3];
wd1r = 1;
wd1i = 0;
wd3r = 1;
wd3i = 0;
k = 0;
for (int j = 2; j < mh - 2; j += 4) {
k += 4;
idx4 = startw + k;
wk1r = csc1 * (wd1r + w[idx4]);
wk1i = csc1 * (wd1i + w[idx4 + 1]);
wk3r = csc3 * (wd3r + w[idx4 + 2]);
wk3i = csc3 * (wd3i + w[idx4 + 3]);
wd1r = w[idx4];
wd1i = w[idx4 + 1];
wd3r = w[idx4 + 2];
wd3i = w[idx4 + 3];
j1 = j + m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
idx5 = offa + j;
x0r = a[idx5] + a[idx2];
x0i = a[idx5 + 1] + a[idx2 + 1];
x1r = a[idx5] - a[idx2];
x1i = a[idx5 + 1] - a[idx2 + 1];
y0r = a[idx5 + 2] + a[idx2 + 2];
y0i = a[idx5 + 3] + a[idx2 + 3];
y1r = a[idx5 + 2] - a[idx2 + 2];
y1i = a[idx5 + 3] - a[idx2 + 3];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
y2r = a[idx1 + 2] + a[idx3 + 2];
y2i = a[idx1 + 3] + a[idx3 + 3];
y3r = a[idx1 + 2] - a[idx3 + 2];
y3i = a[idx1 + 3] - a[idx3 + 3];
a[idx5] = x0r + x2r;
a[idx5 + 1] = x0i + x2i;
a[idx5 + 2] = y0r + y2r;
a[idx5 + 3] = y0i + y2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i - x2i;
a[idx1 + 2] = y0r - y2r;
a[idx1 + 3] = y0i - y2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
a[idx2] = wk1r * x0r - wk1i * x0i;
a[idx2 + 1] = wk1r * x0i + wk1i * x0r;
x0r = y1r - y3i;
x0i = y1i + y3r;
a[idx2 + 2] = wd1r * x0r - wd1i * x0i;
a[idx2 + 3] = wd1r * x0i + wd1i * x0r;
x0r = x1r + x3i;
x0i = x1i - x3r;
a[idx3] = wk3r * x0r + wk3i * x0i;
a[idx3 + 1] = wk3r * x0i - wk3i * x0r;
x0r = y1r + y3i;
x0i = y1i - y3r;
a[idx3 + 2] = wd3r * x0r + wd3i * x0i;
a[idx3 + 3] = wd3r * x0i - wd3i * x0r;
j0 = m - j;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[idx0] + a[idx2];
x0i = a[idx0 + 1] + a[idx2 + 1];
x1r = a[idx0] - a[idx2];
x1i = a[idx0 + 1] - a[idx2 + 1];
y0r = a[idx0 - 2] + a[idx2 - 2];
y0i = a[idx0 - 1] + a[idx2 - 1];
y1r = a[idx0 - 2] - a[idx2 - 2];
y1i = a[idx0 - 1] - a[idx2 - 1];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
y2r = a[idx1 - 2] + a[idx3 - 2];
y2i = a[idx1 - 1] + a[idx3 - 1];
y3r = a[idx1 - 2] - a[idx3 - 2];
y3i = a[idx1 - 1] - a[idx3 - 1];
a[idx0] = x0r + x2r;
a[idx0 + 1] = x0i + x2i;
a[idx0 - 2] = y0r + y2r;
a[idx0 - 1] = y0i + y2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i - x2i;
a[idx1 - 2] = y0r - y2r;
a[idx1 - 1] = y0i - y2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
a[idx2] = wk1i * x0r - wk1r * x0i;
a[idx2 + 1] = wk1i * x0i + wk1r * x0r;
x0r = y1r - y3i;
x0i = y1i + y3r;
a[idx2 - 2] = wd1i * x0r - wd1r * x0i;
a[idx2 - 1] = wd1i * x0i + wd1r * x0r;
x0r = x1r + x3i;
x0i = x1i - x3r;
a[idx3] = wk3i * x0r + wk3r * x0i;
a[idx3 + 1] = wk3i * x0i - wk3r * x0r;
x0r = y1r + y3i;
x0i = y1i - y3r;
a[offa + j3 - 2] = wd3i * x0r + wd3r * x0i;
a[offa + j3 - 1] = wd3i * x0i - wd3r * x0r;
}
wk1r = csc1 * (wd1r + wn4r);
wk1i = csc1 * (wd1i + wn4r);
wk3r = csc3 * (wd3r - wn4r);
wk3i = csc3 * (wd3i - wn4r);
j0 = mh;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[idx0 - 2] + a[idx2 - 2];
x0i = a[idx0 - 1] + a[idx2 - 1];
x1r = a[idx0 - 2] - a[idx2 - 2];
x1i = a[idx0 - 1] - a[idx2 - 1];
x2r = a[idx1 - 2] + a[idx3 - 2];
x2i = a[idx1 - 1] + a[idx3 - 1];
x3r = a[idx1 - 2] - a[idx3 - 2];
x3i = a[idx1 - 1] - a[idx3 - 1];
a[idx0 - 2] = x0r + x2r;
a[idx0 - 1] = x0i + x2i;
a[idx1 - 2] = x0r - x2r;
a[idx1 - 1] = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
a[idx2 - 2] = wk1r * x0r - wk1i * x0i;
a[idx2 - 1] = wk1r * x0i + wk1i * x0r;
x0r = x1r + x3i;
x0i = x1i - x3r;
a[idx3 - 2] = wk3r * x0r + wk3i * x0i;
a[idx3 - 1] = wk3r * x0i - wk3i * x0r;
x0r = a[idx0] + a[idx2];
x0i = a[idx0 + 1] + a[idx2 + 1];
x1r = a[idx0] - a[idx2];
x1i = a[idx0 + 1] - a[idx2 + 1];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
a[idx0] = x0r + x2r;
a[idx0 + 1] = x0i + x2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
a[idx2] = wn4r * (x0r - x0i);
a[idx2 + 1] = wn4r * (x0i + x0r);
x0r = x1r + x3i;
x0i = x1i - x3r;
a[idx3] = -wn4r * (x0r + x0i);
a[idx3 + 1] = -wn4r * (x0i - x0r);
x0r = a[idx0 + 2] + a[idx2 + 2];
x0i = a[idx0 + 3] + a[idx2 + 3];
x1r = a[idx0 + 2] - a[idx2 + 2];
x1i = a[idx0 + 3] - a[idx2 + 3];
x2r = a[idx1 + 2] + a[idx3 + 2];
x2i = a[idx1 + 3] + a[idx3 + 3];
x3r = a[idx1 + 2] - a[idx3 + 2];
x3i = a[idx1 + 3] - a[idx3 + 3];
a[idx0 + 2] = x0r + x2r;
a[idx0 + 3] = x0i + x2i;
a[idx1 + 2] = x0r - x2r;
a[idx1 + 3] = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
a[idx2 + 2] = wk1i * x0r - wk1r * x0i;
a[idx2 + 3] = wk1i * x0i + wk1r * x0r;
x0r = x1r + x3i;
x0i = x1i - x3r;
a[idx3 + 2] = wk3i * x0r + wk3r * x0i;
a[idx3 + 3] = wk3i * x0i - wk3r * x0r;
}
public static void cftf1st(long n, DoubleLargeArray a, long offa, DoubleLargeArray w, long startw)
{
long j0, j1, j2, j3, k, m, mh;
double wn4r, csc1, csc3, wk1r, wk1i, wk3r, wk3i, wd1r, wd1i, wd3r, wd3i;
double x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i;
long idx0, idx1, idx2, idx3, idx4, idx5;
mh = n >> 3l;
m = 2 * mh;
j1 = m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getDouble(offa) + a.getDouble(idx2);
x0i = a.getDouble(offa + 1) + a.getDouble(idx2 + 1);
x1r = a.getDouble(offa) - a.getDouble(idx2);
x1i = a.getDouble(offa + 1) - a.getDouble(idx2 + 1);
x2r = a.getDouble(idx1) + a.getDouble(idx3);
x2i = a.getDouble(idx1 + 1) + a.getDouble(idx3 + 1);
x3r = a.getDouble(idx1) - a.getDouble(idx3);
x3i = a.getDouble(idx1 + 1) - a.getDouble(idx3 + 1);
a.setDouble(offa, x0r + x2r);
a.setDouble(offa + 1, x0i + x2i);
a.setDouble(idx1, x0r - x2r);
a.setDouble(idx1 + 1, x0i - x2i);
a.setDouble(idx2, x1r - x3i);
a.setDouble(idx2 + 1, x1i + x3r);
a.setDouble(idx3, x1r + x3i);
a.setDouble(idx3 + 1, x1i - x3r);
wn4r = w.getDouble(startw + 1);
csc1 = w.getDouble(startw + 2);
csc3 = w.getDouble(startw + 3);
wd1r = 1;
wd1i = 0;
wd3r = 1;
wd3i = 0;
k = 0;
for (int j = 2; j < mh - 2; j += 4) {
k += 4;
idx4 = startw + k;
wk1r = csc1 * (wd1r + w.getDouble(idx4));
wk1i = csc1 * (wd1i + w.getDouble(idx4 + 1));
wk3r = csc3 * (wd3r + w.getDouble(idx4 + 2));
wk3i = csc3 * (wd3i + w.getDouble(idx4 + 3));
wd1r = w.getDouble(idx4);
wd1i = w.getDouble(idx4 + 1);
wd3r = w.getDouble(idx4 + 2);
wd3i = w.getDouble(idx4 + 3);
j1 = j + m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
idx5 = offa + j;
x0r = a.getDouble(idx5) + a.getDouble(idx2);
x0i = a.getDouble(idx5 + 1) + a.getDouble(idx2 + 1);
x1r = a.getDouble(idx5) - a.getDouble(idx2);
x1i = a.getDouble(idx5 + 1) - a.getDouble(idx2 + 1);
y0r = a.getDouble(idx5 + 2) + a.getDouble(idx2 + 2);
y0i = a.getDouble(idx5 + 3) + a.getDouble(idx2 + 3);
y1r = a.getDouble(idx5 + 2) - a.getDouble(idx2 + 2);
y1i = a.getDouble(idx5 + 3) - a.getDouble(idx2 + 3);
x2r = a.getDouble(idx1) + a.getDouble(idx3);
x2i = a.getDouble(idx1 + 1) + a.getDouble(idx3 + 1);
x3r = a.getDouble(idx1) - a.getDouble(idx3);
x3i = a.getDouble(idx1 + 1) - a.getDouble(idx3 + 1);
y2r = a.getDouble(idx1 + 2) + a.getDouble(idx3 + 2);
y2i = a.getDouble(idx1 + 3) + a.getDouble(idx3 + 3);
y3r = a.getDouble(idx1 + 2) - a.getDouble(idx3 + 2);
y3i = a.getDouble(idx1 + 3) - a.getDouble(idx3 + 3);
a.setDouble(idx5, x0r + x2r);
a.setDouble(idx5 + 1, x0i + x2i);
a.setDouble(idx5 + 2, y0r + y2r);
a.setDouble(idx5 + 3, y0i + y2i);
a.setDouble(idx1, x0r - x2r);
a.setDouble(idx1 + 1, x0i - x2i);
a.setDouble(idx1 + 2, y0r - y2r);
a.setDouble(idx1 + 3, y0i - y2i);
x0r = x1r - x3i;
x0i = x1i + x3r;
a.setDouble(idx2, wk1r * x0r - wk1i * x0i);
a.setDouble(idx2 + 1, wk1r * x0i + wk1i * x0r);
x0r = y1r - y3i;
x0i = y1i + y3r;
a.setDouble(idx2 + 2, wd1r * x0r - wd1i * x0i);
a.setDouble(idx2 + 3, wd1r * x0i + wd1i * x0r);
x0r = x1r + x3i;
x0i = x1i - x3r;
a.setDouble(idx3, wk3r * x0r + wk3i * x0i);
a.setDouble(idx3 + 1, wk3r * x0i - wk3i * x0r);
x0r = y1r + y3i;
x0i = y1i - y3r;
a.setDouble(idx3 + 2, wd3r * x0r + wd3i * x0i);
a.setDouble(idx3 + 3, wd3r * x0i - wd3i * x0r);
j0 = m - j;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getDouble(idx0) + a.getDouble(idx2);
x0i = a.getDouble(idx0 + 1) + a.getDouble(idx2 + 1);
x1r = a.getDouble(idx0) - a.getDouble(idx2);
x1i = a.getDouble(idx0 + 1) - a.getDouble(idx2 + 1);
y0r = a.getDouble(idx0 - 2) + a.getDouble(idx2 - 2);
y0i = a.getDouble(idx0 - 1) + a.getDouble(idx2 - 1);
y1r = a.getDouble(idx0 - 2) - a.getDouble(idx2 - 2);
y1i = a.getDouble(idx0 - 1) - a.getDouble(idx2 - 1);
x2r = a.getDouble(idx1) + a.getDouble(idx3);
x2i = a.getDouble(idx1 + 1) + a.getDouble(idx3 + 1);
x3r = a.getDouble(idx1) - a.getDouble(idx3);
x3i = a.getDouble(idx1 + 1) - a.getDouble(idx3 + 1);
y2r = a.getDouble(idx1 - 2) + a.getDouble(idx3 - 2);
y2i = a.getDouble(idx1 - 1) + a.getDouble(idx3 - 1);
y3r = a.getDouble(idx1 - 2) - a.getDouble(idx3 - 2);
y3i = a.getDouble(idx1 - 1) - a.getDouble(idx3 - 1);
a.setDouble(idx0, x0r + x2r);
a.setDouble(idx0 + 1, x0i + x2i);
a.setDouble(idx0 - 2, y0r + y2r);
a.setDouble(idx0 - 1, y0i + y2i);
a.setDouble(idx1, x0r - x2r);
a.setDouble(idx1 + 1, x0i - x2i);
a.setDouble(idx1 - 2, y0r - y2r);
a.setDouble(idx1 - 1, y0i - y2i);
x0r = x1r - x3i;
x0i = x1i + x3r;
a.setDouble(idx2, wk1i * x0r - wk1r * x0i);
a.setDouble(idx2 + 1, wk1i * x0i + wk1r * x0r);
x0r = y1r - y3i;
x0i = y1i + y3r;
a.setDouble(idx2 - 2, wd1i * x0r - wd1r * x0i);
a.setDouble(idx2 - 1, wd1i * x0i + wd1r * x0r);
x0r = x1r + x3i;
x0i = x1i - x3r;
a.setDouble(idx3, wk3i * x0r + wk3r * x0i);
a.setDouble(idx3 + 1, wk3i * x0i - wk3r * x0r);
x0r = y1r + y3i;
x0i = y1i - y3r;
a.setDouble(offa + j3 - 2, wd3i * x0r + wd3r * x0i);
a.setDouble(offa + j3 - 1, wd3i * x0i - wd3r * x0r);
}
wk1r = csc1 * (wd1r + wn4r);
wk1i = csc1 * (wd1i + wn4r);
wk3r = csc3 * (wd3r - wn4r);
wk3i = csc3 * (wd3i - wn4r);
j0 = mh;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getDouble(idx0 - 2) + a.getDouble(idx2 - 2);
x0i = a.getDouble(idx0 - 1) + a.getDouble(idx2 - 1);
x1r = a.getDouble(idx0 - 2) - a.getDouble(idx2 - 2);
x1i = a.getDouble(idx0 - 1) - a.getDouble(idx2 - 1);
x2r = a.getDouble(idx1 - 2) + a.getDouble(idx3 - 2);
x2i = a.getDouble(idx1 - 1) + a.getDouble(idx3 - 1);
x3r = a.getDouble(idx1 - 2) - a.getDouble(idx3 - 2);
x3i = a.getDouble(idx1 - 1) - a.getDouble(idx3 - 1);
a.setDouble(idx0 - 2, x0r + x2r);
a.setDouble(idx0 - 1, x0i + x2i);
a.setDouble(idx1 - 2, x0r - x2r);
a.setDouble(idx1 - 1, x0i - x2i);
x0r = x1r - x3i;
x0i = x1i + x3r;
a.setDouble(idx2 - 2, wk1r * x0r - wk1i * x0i);
a.setDouble(idx2 - 1, wk1r * x0i + wk1i * x0r);
x0r = x1r + x3i;
x0i = x1i - x3r;
a.setDouble(idx3 - 2, wk3r * x0r + wk3i * x0i);
a.setDouble(idx3 - 1, wk3r * x0i - wk3i * x0r);
x0r = a.getDouble(idx0) + a.getDouble(idx2);
x0i = a.getDouble(idx0 + 1) + a.getDouble(idx2 + 1);
x1r = a.getDouble(idx0) - a.getDouble(idx2);
x1i = a.getDouble(idx0 + 1) - a.getDouble(idx2 + 1);
x2r = a.getDouble(idx1) + a.getDouble(idx3);
x2i = a.getDouble(idx1 + 1) + a.getDouble(idx3 + 1);
x3r = a.getDouble(idx1) - a.getDouble(idx3);
x3i = a.getDouble(idx1 + 1) - a.getDouble(idx3 + 1);
a.setDouble(idx0, x0r + x2r);
a.setDouble(idx0 + 1, x0i + x2i);
a.setDouble(idx1, x0r - x2r);
a.setDouble(idx1 + 1, x0i - x2i);
x0r = x1r - x3i;
x0i = x1i + x3r;
a.setDouble(idx2, wn4r * (x0r - x0i));
a.setDouble(idx2 + 1, wn4r * (x0i + x0r));
x0r = x1r + x3i;
x0i = x1i - x3r;
a.setDouble(idx3, -wn4r * (x0r + x0i));
a.setDouble(idx3 + 1, -wn4r * (x0i - x0r));
x0r = a.getDouble(idx0 + 2) + a.getDouble(idx2 + 2);
x0i = a.getDouble(idx0 + 3) + a.getDouble(idx2 + 3);
x1r = a.getDouble(idx0 + 2) - a.getDouble(idx2 + 2);
x1i = a.getDouble(idx0 + 3) - a.getDouble(idx2 + 3);
x2r = a.getDouble(idx1 + 2) + a.getDouble(idx3 + 2);
x2i = a.getDouble(idx1 + 3) + a.getDouble(idx3 + 3);
x3r = a.getDouble(idx1 + 2) - a.getDouble(idx3 + 2);
x3i = a.getDouble(idx1 + 3) - a.getDouble(idx3 + 3);
a.setDouble(idx0 + 2, x0r + x2r);
a.setDouble(idx0 + 3, x0i + x2i);
a.setDouble(idx1 + 2, x0r - x2r);
a.setDouble(idx1 + 3, x0i - x2i);
x0r = x1r - x3i;
x0i = x1i + x3r;
a.setDouble(idx2 + 2, wk1i * x0r - wk1r * x0i);
a.setDouble(idx2 + 3, wk1i * x0i + wk1r * x0r);
x0r = x1r + x3i;
x0i = x1i - x3r;
a.setDouble(idx3 + 2, wk3i * x0r + wk3r * x0i);
a.setDouble(idx3 + 3, wk3i * x0i - wk3r * x0r);
}
public static void cftb1st(int n, double[] a, int offa, double[] w, int startw)
{
int j0, j1, j2, j3, k, m, mh;
double wn4r, csc1, csc3, wk1r, wk1i, wk3r, wk3i, wd1r, wd1i, wd3r, wd3i;
double x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i;
int idx0, idx1, idx2, idx3, idx4, idx5;
mh = n >> 3;
m = 2 * mh;
j1 = m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[offa] + a[idx2];
x0i = -a[offa + 1] - a[idx2 + 1];
x1r = a[offa] - a[idx2];
x1i = -a[offa + 1] + a[idx2 + 1];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
a[offa] = x0r + x2r;
a[offa + 1] = x0i - x2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i + x2i;
a[idx2] = x1r + x3i;
a[idx2 + 1] = x1i + x3r;
a[idx3] = x1r - x3i;
a[idx3 + 1] = x1i - x3r;
wn4r = w[startw + 1];
csc1 = w[startw + 2];
csc3 = w[startw + 3];
wd1r = 1;
wd1i = 0;
wd3r = 1;
wd3i = 0;
k = 0;
for (int j = 2; j < mh - 2; j += 4) {
k += 4;
idx4 = startw + k;
wk1r = csc1 * (wd1r + w[idx4]);
wk1i = csc1 * (wd1i + w[idx4 + 1]);
wk3r = csc3 * (wd3r + w[idx4 + 2]);
wk3i = csc3 * (wd3i + w[idx4 + 3]);
wd1r = w[idx4];
wd1i = w[idx4 + 1];
wd3r = w[idx4 + 2];
wd3i = w[idx4 + 3];
j1 = j + m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
idx5 = offa + j;
x0r = a[idx5] + a[idx2];
x0i = -a[idx5 + 1] - a[idx2 + 1];
x1r = a[idx5] - a[offa + j2];
x1i = -a[idx5 + 1] + a[idx2 + 1];
y0r = a[idx5 + 2] + a[idx2 + 2];
y0i = -a[idx5 + 3] - a[idx2 + 3];
y1r = a[idx5 + 2] - a[idx2 + 2];
y1i = -a[idx5 + 3] + a[idx2 + 3];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
y2r = a[idx1 + 2] + a[idx3 + 2];
y2i = a[idx1 + 3] + a[idx3 + 3];
y3r = a[idx1 + 2] - a[idx3 + 2];
y3i = a[idx1 + 3] - a[idx3 + 3];
a[idx5] = x0r + x2r;
a[idx5 + 1] = x0i - x2i;
a[idx5 + 2] = y0r + y2r;
a[idx5 + 3] = y0i - y2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i + x2i;
a[idx1 + 2] = y0r - y2r;
a[idx1 + 3] = y0i + y2i;
x0r = x1r + x3i;
x0i = x1i + x3r;
a[idx2] = wk1r * x0r - wk1i * x0i;
a[idx2 + 1] = wk1r * x0i + wk1i * x0r;
x0r = y1r + y3i;
x0i = y1i + y3r;
a[idx2 + 2] = wd1r * x0r - wd1i * x0i;
a[idx2 + 3] = wd1r * x0i + wd1i * x0r;
x0r = x1r - x3i;
x0i = x1i - x3r;
a[idx3] = wk3r * x0r + wk3i * x0i;
a[idx3 + 1] = wk3r * x0i - wk3i * x0r;
x0r = y1r - y3i;
x0i = y1i - y3r;
a[idx3 + 2] = wd3r * x0r + wd3i * x0i;
a[idx3 + 3] = wd3r * x0i - wd3i * x0r;
j0 = m - j;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[idx0] + a[idx2];
x0i = -a[idx0 + 1] - a[idx2 + 1];
x1r = a[idx0] - a[idx2];
x1i = -a[idx0 + 1] + a[idx2 + 1];
y0r = a[idx0 - 2] + a[idx2 - 2];
y0i = -a[idx0 - 1] - a[idx2 - 1];
y1r = a[idx0 - 2] - a[idx2 - 2];
y1i = -a[idx0 - 1] + a[idx2 - 1];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
y2r = a[idx1 - 2] + a[idx3 - 2];
y2i = a[idx1 - 1] + a[idx3 - 1];
y3r = a[idx1 - 2] - a[idx3 - 2];
y3i = a[idx1 - 1] - a[idx3 - 1];
a[idx0] = x0r + x2r;
a[idx0 + 1] = x0i - x2i;
a[idx0 - 2] = y0r + y2r;
a[idx0 - 1] = y0i - y2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i + x2i;
a[idx1 - 2] = y0r - y2r;
a[idx1 - 1] = y0i + y2i;
x0r = x1r + x3i;
x0i = x1i + x3r;
a[idx2] = wk1i * x0r - wk1r * x0i;
a[idx2 + 1] = wk1i * x0i + wk1r * x0r;
x0r = y1r + y3i;
x0i = y1i + y3r;
a[idx2 - 2] = wd1i * x0r - wd1r * x0i;
a[idx2 - 1] = wd1i * x0i + wd1r * x0r;
x0r = x1r - x3i;
x0i = x1i - x3r;
a[idx3] = wk3i * x0r + wk3r * x0i;
a[idx3 + 1] = wk3i * x0i - wk3r * x0r;
x0r = y1r - y3i;
x0i = y1i - y3r;
a[idx3 - 2] = wd3i * x0r + wd3r * x0i;
a[idx3 - 1] = wd3i * x0i - wd3r * x0r;
}
wk1r = csc1 * (wd1r + wn4r);
wk1i = csc1 * (wd1i + wn4r);
wk3r = csc3 * (wd3r - wn4r);
wk3i = csc3 * (wd3i - wn4r);
j0 = mh;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[idx0 - 2] + a[idx2 - 2];
x0i = -a[idx0 - 1] - a[idx2 - 1];
x1r = a[idx0 - 2] - a[idx2 - 2];
x1i = -a[idx0 - 1] + a[idx2 - 1];
x2r = a[idx1 - 2] + a[idx3 - 2];
x2i = a[idx1 - 1] + a[idx3 - 1];
x3r = a[idx1 - 2] - a[idx3 - 2];
x3i = a[idx1 - 1] - a[idx3 - 1];
a[idx0 - 2] = x0r + x2r;
a[idx0 - 1] = x0i - x2i;
a[idx1 - 2] = x0r - x2r;
a[idx1 - 1] = x0i + x2i;
x0r = x1r + x3i;
x0i = x1i + x3r;
a[idx2 - 2] = wk1r * x0r - wk1i * x0i;
a[idx2 - 1] = wk1r * x0i + wk1i * x0r;
x0r = x1r - x3i;
x0i = x1i - x3r;
a[idx3 - 2] = wk3r * x0r + wk3i * x0i;
a[idx3 - 1] = wk3r * x0i - wk3i * x0r;
x0r = a[idx0] + a[idx2];
x0i = -a[idx0 + 1] - a[idx2 + 1];
x1r = a[idx0] - a[idx2];
x1i = -a[idx0 + 1] + a[idx2 + 1];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
a[idx0] = x0r + x2r;
a[idx0 + 1] = x0i - x2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i + x2i;
x0r = x1r + x3i;
x0i = x1i + x3r;
a[idx2] = wn4r * (x0r - x0i);
a[idx2 + 1] = wn4r * (x0i + x0r);
x0r = x1r - x3i;
x0i = x1i - x3r;
a[idx3] = -wn4r * (x0r + x0i);
a[idx3 + 1] = -wn4r * (x0i - x0r);
x0r = a[idx0 + 2] + a[idx2 + 2];
x0i = -a[idx0 + 3] - a[idx2 + 3];
x1r = a[idx0 + 2] - a[idx2 + 2];
x1i = -a[idx0 + 3] + a[idx2 + 3];
x2r = a[idx1 + 2] + a[idx3 + 2];
x2i = a[idx1 + 3] + a[idx3 + 3];
x3r = a[idx1 + 2] - a[idx3 + 2];
x3i = a[idx1 + 3] - a[idx3 + 3];
a[idx0 + 2] = x0r + x2r;
a[idx0 + 3] = x0i - x2i;
a[idx1 + 2] = x0r - x2r;
a[idx1 + 3] = x0i + x2i;
x0r = x1r + x3i;
x0i = x1i + x3r;
a[idx2 + 2] = wk1i * x0r - wk1r * x0i;
a[idx2 + 3] = wk1i * x0i + wk1r * x0r;
x0r = x1r - x3i;
x0i = x1i - x3r;
a[idx3 + 2] = wk3i * x0r + wk3r * x0i;
a[idx3 + 3] = wk3i * x0i - wk3r * x0r;
}
public static void cftb1st(long n, DoubleLargeArray a, long offa, DoubleLargeArray w, long startw)
{
long j0, j1, j2, j3, k, m, mh;
double wn4r, csc1, csc3, wk1r, wk1i, wk3r, wk3i, wd1r, wd1i, wd3r, wd3i;
double x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i;
long idx0, idx1, idx2, idx3, idx4, idx5;
mh = n >> 3l;
m = 2 * mh;
j1 = m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getDouble(offa) + a.getDouble(idx2);
x0i = -a.getDouble(offa + 1) - a.getDouble(idx2 + 1);
x1r = a.getDouble(offa) - a.getDouble(idx2);
x1i = -a.getDouble(offa + 1) + a.getDouble(idx2 + 1);
x2r = a.getDouble(idx1) + a.getDouble(idx3);
x2i = a.getDouble(idx1 + 1) + a.getDouble(idx3 + 1);
x3r = a.getDouble(idx1) - a.getDouble(idx3);
x3i = a.getDouble(idx1 + 1) - a.getDouble(idx3 + 1);
a.setDouble(offa, x0r + x2r);
a.setDouble(offa + 1, x0i - x2i);
a.setDouble(idx1, x0r - x2r);
a.setDouble(idx1 + 1, x0i + x2i);
a.setDouble(idx2, x1r + x3i);
a.setDouble(idx2 + 1, x1i + x3r);
a.setDouble(idx3, x1r - x3i);
a.setDouble(idx3 + 1, x1i - x3r);
wn4r = w.getDouble(startw + 1);
csc1 = w.getDouble(startw + 2);
csc3 = w.getDouble(startw + 3);
wd1r = 1;
wd1i = 0;
wd3r = 1;
wd3i = 0;
k = 0;
for (long j = 2; j < mh - 2; j += 4) {
k += 4;
idx4 = startw + k;
wk1r = csc1 * (wd1r + w.getDouble(idx4));
wk1i = csc1 * (wd1i + w.getDouble(idx4 + 1));
wk3r = csc3 * (wd3r + w.getDouble(idx4 + 2));
wk3i = csc3 * (wd3i + w.getDouble(idx4 + 3));
wd1r = w.getDouble(idx4);
wd1i = w.getDouble(idx4 + 1);
wd3r = w.getDouble(idx4 + 2);
wd3i = w.getDouble(idx4 + 3);
j1 = j + m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
idx5 = offa + j;
x0r = a.getDouble(idx5) + a.getDouble(idx2);
x0i = -a.getDouble(idx5 + 1) - a.getDouble(idx2 + 1);
x1r = a.getDouble(idx5) - a.getDouble(offa + j2);
x1i = -a.getDouble(idx5 + 1) + a.getDouble(idx2 + 1);
y0r = a.getDouble(idx5 + 2) + a.getDouble(idx2 + 2);
y0i = -a.getDouble(idx5 + 3) - a.getDouble(idx2 + 3);
y1r = a.getDouble(idx5 + 2) - a.getDouble(idx2 + 2);
y1i = -a.getDouble(idx5 + 3) + a.getDouble(idx2 + 3);
x2r = a.getDouble(idx1) + a.getDouble(idx3);
x2i = a.getDouble(idx1 + 1) + a.getDouble(idx3 + 1);
x3r = a.getDouble(idx1) - a.getDouble(idx3);
x3i = a.getDouble(idx1 + 1) - a.getDouble(idx3 + 1);
y2r = a.getDouble(idx1 + 2) + a.getDouble(idx3 + 2);
y2i = a.getDouble(idx1 + 3) + a.getDouble(idx3 + 3);
y3r = a.getDouble(idx1 + 2) - a.getDouble(idx3 + 2);
y3i = a.getDouble(idx1 + 3) - a.getDouble(idx3 + 3);
a.setDouble(idx5, x0r + x2r);
a.setDouble(idx5 + 1, x0i - x2i);
a.setDouble(idx5 + 2, y0r + y2r);
a.setDouble(idx5 + 3, y0i - y2i);
a.setDouble(idx1, x0r - x2r);
a.setDouble(idx1 + 1, x0i + x2i);
a.setDouble(idx1 + 2, y0r - y2r);
a.setDouble(idx1 + 3, y0i + y2i);
x0r = x1r + x3i;
x0i = x1i + x3r;
a.setDouble(idx2, wk1r * x0r - wk1i * x0i);
a.setDouble(idx2 + 1, wk1r * x0i + wk1i * x0r);
x0r = y1r + y3i;
x0i = y1i + y3r;
a.setDouble(idx2 + 2, wd1r * x0r - wd1i * x0i);
a.setDouble(idx2 + 3, wd1r * x0i + wd1i * x0r);
x0r = x1r - x3i;
x0i = x1i - x3r;
a.setDouble(idx3, wk3r * x0r + wk3i * x0i);
a.setDouble(idx3 + 1, wk3r * x0i - wk3i * x0r);
x0r = y1r - y3i;
x0i = y1i - y3r;
a.setDouble(idx3 + 2, wd3r * x0r + wd3i * x0i);
a.setDouble(idx3 + 3, wd3r * x0i - wd3i * x0r);
j0 = m - j;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getDouble(idx0) + a.getDouble(idx2);
x0i = -a.getDouble(idx0 + 1) - a.getDouble(idx2 + 1);
x1r = a.getDouble(idx0) - a.getDouble(idx2);
x1i = -a.getDouble(idx0 + 1) + a.getDouble(idx2 + 1);
y0r = a.getDouble(idx0 - 2) + a.getDouble(idx2 - 2);
y0i = -a.getDouble(idx0 - 1) - a.getDouble(idx2 - 1);
y1r = a.getDouble(idx0 - 2) - a.getDouble(idx2 - 2);
y1i = -a.getDouble(idx0 - 1) + a.getDouble(idx2 - 1);
x2r = a.getDouble(idx1) + a.getDouble(idx3);
x2i = a.getDouble(idx1 + 1) + a.getDouble(idx3 + 1);
x3r = a.getDouble(idx1) - a.getDouble(idx3);
x3i = a.getDouble(idx1 + 1) - a.getDouble(idx3 + 1);
y2r = a.getDouble(idx1 - 2) + a.getDouble(idx3 - 2);
y2i = a.getDouble(idx1 - 1) + a.getDouble(idx3 - 1);
y3r = a.getDouble(idx1 - 2) - a.getDouble(idx3 - 2);
y3i = a.getDouble(idx1 - 1) - a.getDouble(idx3 - 1);
a.setDouble(idx0, x0r + x2r);
a.setDouble(idx0 + 1, x0i - x2i);
a.setDouble(idx0 - 2, y0r + y2r);
a.setDouble(idx0 - 1, y0i - y2i);
a.setDouble(idx1, x0r - x2r);
a.setDouble(idx1 + 1, x0i + x2i);
a.setDouble(idx1 - 2, y0r - y2r);
a.setDouble(idx1 - 1, y0i + y2i);
x0r = x1r + x3i;
x0i = x1i + x3r;
a.setDouble(idx2, wk1i * x0r - wk1r * x0i);
a.setDouble(idx2 + 1, wk1i * x0i + wk1r * x0r);
x0r = y1r + y3i;
x0i = y1i + y3r;
a.setDouble(idx2 - 2, wd1i * x0r - wd1r * x0i);
a.setDouble(idx2 - 1, wd1i * x0i + wd1r * x0r);
x0r = x1r - x3i;
x0i = x1i - x3r;
a.setDouble(idx3, wk3i * x0r + wk3r * x0i);
a.setDouble(idx3 + 1, wk3i * x0i - wk3r * x0r);
x0r = y1r - y3i;
x0i = y1i - y3r;
a.setDouble(idx3 - 2, wd3i * x0r + wd3r * x0i);
a.setDouble(idx3 - 1, wd3i * x0i - wd3r * x0r);
}
wk1r = csc1 * (wd1r + wn4r);
wk1i = csc1 * (wd1i + wn4r);
wk3r = csc3 * (wd3r - wn4r);
wk3i = csc3 * (wd3i - wn4r);
j0 = mh;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getDouble(idx0 - 2) + a.getDouble(idx2 - 2);
x0i = -a.getDouble(idx0 - 1) - a.getDouble(idx2 - 1);
x1r = a.getDouble(idx0 - 2) - a.getDouble(idx2 - 2);
x1i = -a.getDouble(idx0 - 1) + a.getDouble(idx2 - 1);
x2r = a.getDouble(idx1 - 2) + a.getDouble(idx3 - 2);
x2i = a.getDouble(idx1 - 1) + a.getDouble(idx3 - 1);
x3r = a.getDouble(idx1 - 2) - a.getDouble(idx3 - 2);
x3i = a.getDouble(idx1 - 1) - a.getDouble(idx3 - 1);
a.setDouble(idx0 - 2, x0r + x2r);
a.setDouble(idx0 - 1, x0i - x2i);
a.setDouble(idx1 - 2, x0r - x2r);
a.setDouble(idx1 - 1, x0i + x2i);
x0r = x1r + x3i;
x0i = x1i + x3r;
a.setDouble(idx2 - 2, wk1r * x0r - wk1i * x0i);
a.setDouble(idx2 - 1, wk1r * x0i + wk1i * x0r);
x0r = x1r - x3i;
x0i = x1i - x3r;
a.setDouble(idx3 - 2, wk3r * x0r + wk3i * x0i);
a.setDouble(idx3 - 1, wk3r * x0i - wk3i * x0r);
x0r = a.getDouble(idx0) + a.getDouble(idx2);
x0i = -a.getDouble(idx0 + 1) - a.getDouble(idx2 + 1);
x1r = a.getDouble(idx0) - a.getDouble(idx2);
x1i = -a.getDouble(idx0 + 1) + a.getDouble(idx2 + 1);
x2r = a.getDouble(idx1) + a.getDouble(idx3);
x2i = a.getDouble(idx1 + 1) + a.getDouble(idx3 + 1);
x3r = a.getDouble(idx1) - a.getDouble(idx3);
x3i = a.getDouble(idx1 + 1) - a.getDouble(idx3 + 1);
a.setDouble(idx0, x0r + x2r);
a.setDouble(idx0 + 1, x0i - x2i);
a.setDouble(idx1, x0r - x2r);
a.setDouble(idx1 + 1, x0i + x2i);
x0r = x1r + x3i;
x0i = x1i + x3r;
a.setDouble(idx2, wn4r * (x0r - x0i));
a.setDouble(idx2 + 1, wn4r * (x0i + x0r));
x0r = x1r - x3i;
x0i = x1i - x3r;
a.setDouble(idx3, -wn4r * (x0r + x0i));
a.setDouble(idx3 + 1, -wn4r * (x0i - x0r));
x0r = a.getDouble(idx0 + 2) + a.getDouble(idx2 + 2);
x0i = -a.getDouble(idx0 + 3) - a.getDouble(idx2 + 3);
x1r = a.getDouble(idx0 + 2) - a.getDouble(idx2 + 2);
x1i = -a.getDouble(idx0 + 3) + a.getDouble(idx2 + 3);
x2r = a.getDouble(idx1 + 2) + a.getDouble(idx3 + 2);
x2i = a.getDouble(idx1 + 3) + a.getDouble(idx3 + 3);
x3r = a.getDouble(idx1 + 2) - a.getDouble(idx3 + 2);
x3i = a.getDouble(idx1 + 3) - a.getDouble(idx3 + 3);
a.setDouble(idx0 + 2, x0r + x2r);
a.setDouble(idx0 + 3, x0i - x2i);
a.setDouble(idx1 + 2, x0r - x2r);
a.setDouble(idx1 + 3, x0i + x2i);
x0r = x1r + x3i;
x0i = x1i + x3r;
a.setDouble(idx2 + 2, wk1i * x0r - wk1r * x0i);
a.setDouble(idx2 + 3, wk1i * x0i + wk1r * x0r);
x0r = x1r - x3i;
x0i = x1i - x3r;
a.setDouble(idx3 + 2, wk3i * x0r + wk3r * x0i);
a.setDouble(idx3 + 3, wk3i * x0i - wk3r * x0r);
}
public static void cftrec4_th(final int n, final double[] a, final int offa, final int nw, final double[] w)
{
int i;
int idiv4, m, nthreads;
int idx = 0;
nthreads = 2;
idiv4 = 0;
m = n >> 1;
if (n >= ConcurrencyUtils.getThreadsBeginN_1D_FFT_4Threads()) {
nthreads = 4;
idiv4 = 1;
m >>= 1;
}
Future>[] futures = new Future[nthreads];
final int mf = m;
for (i = 0; i < nthreads; i++) {
final int firstIdx = offa + i * m;
if (i != idiv4) {
futures[idx++] = ConcurrencyUtils.submit(new Runnable()
{
public void run()
{
int isplt, j, k, m;
int idx1 = firstIdx + mf;
m = n;
while (m > 512) {
m >>= 2;
cftmdl1(m, a, idx1 - m, w, nw - (m >> 1));
}
cftleaf(m, 1, a, idx1 - m, nw, w);
k = 0;
int idx2 = firstIdx - m;
for (j = mf - m; j > 0; j -= m) {
k++;
isplt = cfttree(m, j, k, a, firstIdx, nw, w);
cftleaf(m, isplt, a, idx2 + j, nw, w);
}
}
});
} else {
futures[idx++] = ConcurrencyUtils.submit(new Runnable()
{
public void run()
{
int isplt, j, k, m;
int idx1 = firstIdx + mf;
k = 1;
m = n;
while (m > 512) {
m >>= 2;
k <<= 2;
cftmdl2(m, a, idx1 - m, w, nw - m);
}
cftleaf(m, 0, a, idx1 - m, nw, w);
k >>= 1;
int idx2 = firstIdx - m;
for (j = mf - m; j > 0; j -= m) {
k++;
isplt = cfttree(m, j, k, a, firstIdx, nw, w);
cftleaf(m, isplt, a, idx2 + j, nw, w);
}
}
});
}
}
ConcurrencyUtils.waitForCompletion(futures);
}
public static void cftrec4_th(final long n, final DoubleLargeArray a, final long offa, final long nw, final DoubleLargeArray w)
{
int i, idx = 0;
int idiv4, nthreads;
long m;
nthreads = 2;
idiv4 = 0;
m = n >> 1l;
if (n >= ConcurrencyUtils.getThreadsBeginN_1D_FFT_4Threads()) {
nthreads = 4;
idiv4 = 1;
m >>= 1l;
}
Future>[] futures = new Future[nthreads];
final long mf = m;
for (i = 0; i < nthreads; i++) {
final long firstIdx = offa + i * m;
if (i != idiv4) {
futures[idx++] = ConcurrencyUtils.submit(new Runnable()
{
public void run()
{
long isplt, j, k, m;
long idx1 = firstIdx + mf;
m = n;
while (m > 512) {
m >>= 2;
cftmdl1(m, a, idx1 - m, w, nw - (m >> 1l));
}
cftleaf(m, 1, a, idx1 - m, nw, w);
k = 0;
long idx2 = firstIdx - m;
for (j = mf - m; j > 0; j -= m) {
k++;
isplt = cfttree(m, j, k, a, firstIdx, nw, w);
cftleaf(m, isplt, a, idx2 + j, nw, w);
}
}
});
} else {
futures[idx++] = ConcurrencyUtils.submit(new Runnable()
{
public void run()
{
long isplt, j, k, m;
long idx1 = firstIdx + mf;
k = 1;
m = n;
while (m > 512) {
m >>= 2;
k <<= 2;
cftmdl2(m, a, idx1 - m, w, nw - m);
}
cftleaf(m, 0, a, idx1 - m, nw, w);
k >>= 1l;
long idx2 = firstIdx - m;
for (j = mf - m; j > 0; j -= m) {
k++;
isplt = cfttree(m, j, k, a, firstIdx, nw, w);
cftleaf(m, isplt, a, idx2 + j, nw, w);
}
}
});
}
}
ConcurrencyUtils.waitForCompletion(futures);
}
public static void cftrec4(int n, double[] a, int offa, int nw, double[] w)
{
int isplt, j, k, m;
m = n;
int idx1 = offa + n;
while (m > 512) {
m >>= 2;
cftmdl1(m, a, idx1 - m, w, nw - (m >> 1));
}
cftleaf(m, 1, a, idx1 - m, nw, w);
k = 0;
int idx2 = offa - m;
for (j = n - m; j > 0; j -= m) {
k++;
isplt = cfttree(m, j, k, a, offa, nw, w);
cftleaf(m, isplt, a, idx2 + j, nw, w);
}
}
public static void cftrec4(long n, DoubleLargeArray a, long offa, long nw, DoubleLargeArray w)
{
long isplt, j, k, m;
m = n;
long idx1 = offa + n;
while (m > 512) {
m >>= 2;
cftmdl1(m, a, idx1 - m, w, nw - (m >> 1l));
}
cftleaf(m, 1, a, idx1 - m, nw, w);
k = 0;
long idx2 = offa - m;
for (j = n - m; j > 0; j -= m) {
k++;
isplt = cfttree(m, j, k, a, offa, nw, w);
cftleaf(m, isplt, a, idx2 + j, nw, w);
}
}
public static int cfttree(int n, int j, int k, double[] a, int offa, int nw, double[] w)
{
int i, isplt, m;
int idx1 = offa - n;
if ((k & 3) != 0) {
isplt = k & 1;
if (isplt != 0) {
cftmdl1(n, a, idx1 + j, w, nw - (n >> 1));
} else {
cftmdl2(n, a, idx1 + j, w, nw - n);
}
} else {
m = n;
for (i = k; (i & 3) == 0; i >>= 2) {
m <<= 2;
}
isplt = i & 1;
int idx2 = offa + j;
if (isplt != 0) {
while (m > 128) {
cftmdl1(m, a, idx2 - m, w, nw - (m >> 1));
m >>= 2;
}
} else {
while (m > 128) {
cftmdl2(m, a, idx2 - m, w, nw - m);
m >>= 2;
}
}
}
return isplt;
}
public static long cfttree(long n, long j, long k, DoubleLargeArray a, long offa, long nw, DoubleLargeArray w)
{
long i, isplt, m;
long idx1 = offa - n;
if ((k & 3) != 0) {
isplt = k & 1;
if (isplt != 0) {
cftmdl1(n, a, idx1 + j, w, nw - (n >> 1l));
} else {
cftmdl2(n, a, idx1 + j, w, nw - n);
}
} else {
m = n;
for (i = k; (i & 3) == 0; i >>= 2l) {
m <<= 2l;
}
isplt = i & 1;
long idx2 = offa + j;
if (isplt != 0) {
while (m > 128) {
cftmdl1(m, a, idx2 - m, w, nw - (m >> 1l));
m >>= 2l;
}
} else {
while (m > 128) {
cftmdl2(m, a, idx2 - m, w, nw - m);
m >>= 2l;
}
}
}
return isplt;
}
public static void cftleaf(int n, int isplt, double[] a, int offa, int nw, double[] w)
{
if (n == 512) {
cftmdl1(128, a, offa, w, nw - 64);
cftf161(a, offa, w, nw - 8);
cftf162(a, offa + 32, w, nw - 32);
cftf161(a, offa + 64, w, nw - 8);
cftf161(a, offa + 96, w, nw - 8);
cftmdl2(128, a, offa + 128, w, nw - 128);
cftf161(a, offa + 128, w, nw - 8);
cftf162(a, offa + 160, w, nw - 32);
cftf161(a, offa + 192, w, nw - 8);
cftf162(a, offa + 224, w, nw - 32);
cftmdl1(128, a, offa + 256, w, nw - 64);
cftf161(a, offa + 256, w, nw - 8);
cftf162(a, offa + 288, w, nw - 32);
cftf161(a, offa + 320, w, nw - 8);
cftf161(a, offa + 352, w, nw - 8);
if (isplt != 0) {
cftmdl1(128, a, offa + 384, w, nw - 64);
cftf161(a, offa + 480, w, nw - 8);
} else {
cftmdl2(128, a, offa + 384, w, nw - 128);
cftf162(a, offa + 480, w, nw - 32);
}
cftf161(a, offa + 384, w, nw - 8);
cftf162(a, offa + 416, w, nw - 32);
cftf161(a, offa + 448, w, nw - 8);
} else {
cftmdl1(64, a, offa, w, nw - 32);
cftf081(a, offa, w, nw - 8);
cftf082(a, offa + 16, w, nw - 8);
cftf081(a, offa + 32, w, nw - 8);
cftf081(a, offa + 48, w, nw - 8);
cftmdl2(64, a, offa + 64, w, nw - 64);
cftf081(a, offa + 64, w, nw - 8);
cftf082(a, offa + 80, w, nw - 8);
cftf081(a, offa + 96, w, nw - 8);
cftf082(a, offa + 112, w, nw - 8);
cftmdl1(64, a, offa + 128, w, nw - 32);
cftf081(a, offa + 128, w, nw - 8);
cftf082(a, offa + 144, w, nw - 8);
cftf081(a, offa + 160, w, nw - 8);
cftf081(a, offa + 176, w, nw - 8);
if (isplt != 0) {
cftmdl1(64, a, offa + 192, w, nw - 32);
cftf081(a, offa + 240, w, nw - 8);
} else {
cftmdl2(64, a, offa + 192, w, nw - 64);
cftf082(a, offa + 240, w, nw - 8);
}
cftf081(a, offa + 192, w, nw - 8);
cftf082(a, offa + 208, w, nw - 8);
cftf081(a, offa + 224, w, nw - 8);
}
}
public static void cftleaf(long n, long isplt, DoubleLargeArray a, long offa, long nw, DoubleLargeArray w)
{
if (n == 512) {
cftmdl1(128, a, offa, w, nw - 64);
cftf161(a, offa, w, nw - 8);
cftf162(a, offa + 32, w, nw - 32);
cftf161(a, offa + 64, w, nw - 8);
cftf161(a, offa + 96, w, nw - 8);
cftmdl2(128, a, offa + 128, w, nw - 128);
cftf161(a, offa + 128, w, nw - 8);
cftf162(a, offa + 160, w, nw - 32);
cftf161(a, offa + 192, w, nw - 8);
cftf162(a, offa + 224, w, nw - 32);
cftmdl1(128, a, offa + 256, w, nw - 64);
cftf161(a, offa + 256, w, nw - 8);
cftf162(a, offa + 288, w, nw - 32);
cftf161(a, offa + 320, w, nw - 8);
cftf161(a, offa + 352, w, nw - 8);
if (isplt != 0) {
cftmdl1(128, a, offa + 384, w, nw - 64);
cftf161(a, offa + 480, w, nw - 8);
} else {
cftmdl2(128, a, offa + 384, w, nw - 128);
cftf162(a, offa + 480, w, nw - 32);
}
cftf161(a, offa + 384, w, nw - 8);
cftf162(a, offa + 416, w, nw - 32);
cftf161(a, offa + 448, w, nw - 8);
} else {
cftmdl1(64, a, offa, w, nw - 32);
cftf081(a, offa, w, nw - 8);
cftf082(a, offa + 16, w, nw - 8);
cftf081(a, offa + 32, w, nw - 8);
cftf081(a, offa + 48, w, nw - 8);
cftmdl2(64, a, offa + 64, w, nw - 64);
cftf081(a, offa + 64, w, nw - 8);
cftf082(a, offa + 80, w, nw - 8);
cftf081(a, offa + 96, w, nw - 8);
cftf082(a, offa + 112, w, nw - 8);
cftmdl1(64, a, offa + 128, w, nw - 32);
cftf081(a, offa + 128, w, nw - 8);
cftf082(a, offa + 144, w, nw - 8);
cftf081(a, offa + 160, w, nw - 8);
cftf081(a, offa + 176, w, nw - 8);
if (isplt != 0) {
cftmdl1(64, a, offa + 192, w, nw - 32);
cftf081(a, offa + 240, w, nw - 8);
} else {
cftmdl2(64, a, offa + 192, w, nw - 64);
cftf082(a, offa + 240, w, nw - 8);
}
cftf081(a, offa + 192, w, nw - 8);
cftf082(a, offa + 208, w, nw - 8);
cftf081(a, offa + 224, w, nw - 8);
}
}
public static void cftmdl1(int n, double[] a, int offa, double[] w, int startw)
{
int j0, j1, j2, j3, k, m, mh;
double wn4r, wk1r, wk1i, wk3r, wk3i;
double x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i;
int idx0, idx1, idx2, idx3, idx4, idx5;
mh = n >> 3;
m = 2 * mh;
j1 = m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[offa] + a[idx2];
x0i = a[offa + 1] + a[idx2 + 1];
x1r = a[offa] - a[idx2];
x1i = a[offa + 1] - a[idx2 + 1];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
a[offa] = x0r + x2r;
a[offa + 1] = x0i + x2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i - x2i;
a[idx2] = x1r - x3i;
a[idx2 + 1] = x1i + x3r;
a[idx3] = x1r + x3i;
a[idx3 + 1] = x1i - x3r;
wn4r = w[startw + 1];
k = 0;
for (int j = 2; j < mh; j += 2) {
k += 4;
idx4 = startw + k;
wk1r = w[idx4];
wk1i = w[idx4 + 1];
wk3r = w[idx4 + 2];
wk3i = w[idx4 + 3];
j1 = j + m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
idx5 = offa + j;
x0r = a[idx5] + a[idx2];
x0i = a[idx5 + 1] + a[idx2 + 1];
x1r = a[idx5] - a[idx2];
x1i = a[idx5 + 1] - a[idx2 + 1];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
a[idx5] = x0r + x2r;
a[idx5 + 1] = x0i + x2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
a[idx2] = wk1r * x0r - wk1i * x0i;
a[idx2 + 1] = wk1r * x0i + wk1i * x0r;
x0r = x1r + x3i;
x0i = x1i - x3r;
a[idx3] = wk3r * x0r + wk3i * x0i;
a[idx3 + 1] = wk3r * x0i - wk3i * x0r;
j0 = m - j;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[idx0] + a[idx2];
x0i = a[idx0 + 1] + a[idx2 + 1];
x1r = a[idx0] - a[idx2];
x1i = a[idx0 + 1] - a[idx2 + 1];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
a[idx0] = x0r + x2r;
a[idx0 + 1] = x0i + x2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
a[idx2] = wk1i * x0r - wk1r * x0i;
a[idx2 + 1] = wk1i * x0i + wk1r * x0r;
x0r = x1r + x3i;
x0i = x1i - x3r;
a[idx3] = wk3i * x0r + wk3r * x0i;
a[idx3 + 1] = wk3i * x0i - wk3r * x0r;
}
j0 = mh;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[idx0] + a[idx2];
x0i = a[idx0 + 1] + a[idx2 + 1];
x1r = a[idx0] - a[idx2];
x1i = a[idx0 + 1] - a[idx2 + 1];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
a[idx0] = x0r + x2r;
a[idx0 + 1] = x0i + x2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
a[idx2] = wn4r * (x0r - x0i);
a[idx2 + 1] = wn4r * (x0i + x0r);
x0r = x1r + x3i;
x0i = x1i - x3r;
a[idx3] = -wn4r * (x0r + x0i);
a[idx3 + 1] = -wn4r * (x0i - x0r);
}
public static void cftmdl1(long n, DoubleLargeArray a, long offa, DoubleLargeArray w, long startw)
{
long j0, j1, j2, j3, k, m, mh;
double wn4r, wk1r, wk1i, wk3r, wk3i;
double x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i;
long idx0, idx1, idx2, idx3, idx4, idx5;
mh = n >> 3l;
m = 2 * mh;
j1 = m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getDouble(offa) + a.getDouble(idx2);
x0i = a.getDouble(offa + 1) + a.getDouble(idx2 + 1);
x1r = a.getDouble(offa) - a.getDouble(idx2);
x1i = a.getDouble(offa + 1) - a.getDouble(idx2 + 1);
x2r = a.getDouble(idx1) + a.getDouble(idx3);
x2i = a.getDouble(idx1 + 1) + a.getDouble(idx3 + 1);
x3r = a.getDouble(idx1) - a.getDouble(idx3);
x3i = a.getDouble(idx1 + 1) - a.getDouble(idx3 + 1);
a.setDouble(offa, x0r + x2r);
a.setDouble(offa + 1, x0i + x2i);
a.setDouble(idx1, x0r - x2r);
a.setDouble(idx1 + 1, x0i - x2i);
a.setDouble(idx2, x1r - x3i);
a.setDouble(idx2 + 1, x1i + x3r);
a.setDouble(idx3, x1r + x3i);
a.setDouble(idx3 + 1, x1i - x3r);
wn4r = w.getDouble(startw + 1);
k = 0;
for (long j = 2; j < mh; j += 2) {
k += 4;
idx4 = startw + k;
wk1r = w.getDouble(idx4);
wk1i = w.getDouble(idx4 + 1);
wk3r = w.getDouble(idx4 + 2);
wk3i = w.getDouble(idx4 + 3);
j1 = j + m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
idx5 = offa + j;
x0r = a.getDouble(idx5) + a.getDouble(idx2);
x0i = a.getDouble(idx5 + 1) + a.getDouble(idx2 + 1);
x1r = a.getDouble(idx5) - a.getDouble(idx2);
x1i = a.getDouble(idx5 + 1) - a.getDouble(idx2 + 1);
x2r = a.getDouble(idx1) + a.getDouble(idx3);
x2i = a.getDouble(idx1 + 1) + a.getDouble(idx3 + 1);
x3r = a.getDouble(idx1) - a.getDouble(idx3);
x3i = a.getDouble(idx1 + 1) - a.getDouble(idx3 + 1);
a.setDouble(idx5, x0r + x2r);
a.setDouble(idx5 + 1, x0i + x2i);
a.setDouble(idx1, x0r - x2r);
a.setDouble(idx1 + 1, x0i - x2i);
x0r = x1r - x3i;
x0i = x1i + x3r;
a.setDouble(idx2, wk1r * x0r - wk1i * x0i);
a.setDouble(idx2 + 1, wk1r * x0i + wk1i * x0r);
x0r = x1r + x3i;
x0i = x1i - x3r;
a.setDouble(idx3, wk3r * x0r + wk3i * x0i);
a.setDouble(idx3 + 1, wk3r * x0i - wk3i * x0r);
j0 = m - j;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getDouble(idx0) + a.getDouble(idx2);
x0i = a.getDouble(idx0 + 1) + a.getDouble(idx2 + 1);
x1r = a.getDouble(idx0) - a.getDouble(idx2);
x1i = a.getDouble(idx0 + 1) - a.getDouble(idx2 + 1);
x2r = a.getDouble(idx1) + a.getDouble(idx3);
x2i = a.getDouble(idx1 + 1) + a.getDouble(idx3 + 1);
x3r = a.getDouble(idx1) - a.getDouble(idx3);
x3i = a.getDouble(idx1 + 1) - a.getDouble(idx3 + 1);
a.setDouble(idx0, x0r + x2r);
a.setDouble(idx0 + 1, x0i + x2i);
a.setDouble(idx1, x0r - x2r);
a.setDouble(idx1 + 1, x0i - x2i);
x0r = x1r - x3i;
x0i = x1i + x3r;
a.setDouble(idx2, wk1i * x0r - wk1r * x0i);
a.setDouble(idx2 + 1, wk1i * x0i + wk1r * x0r);
x0r = x1r + x3i;
x0i = x1i - x3r;
a.setDouble(idx3, wk3i * x0r + wk3r * x0i);
a.setDouble(idx3 + 1, wk3i * x0i - wk3r * x0r);
}
j0 = mh;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getDouble(idx0) + a.getDouble(idx2);
x0i = a.getDouble(idx0 + 1) + a.getDouble(idx2 + 1);
x1r = a.getDouble(idx0) - a.getDouble(idx2);
x1i = a.getDouble(idx0 + 1) - a.getDouble(idx2 + 1);
x2r = a.getDouble(idx1) + a.getDouble(idx3);
x2i = a.getDouble(idx1 + 1) + a.getDouble(idx3 + 1);
x3r = a.getDouble(idx1) - a.getDouble(idx3);
x3i = a.getDouble(idx1 + 1) - a.getDouble(idx3 + 1);
a.setDouble(idx0, x0r + x2r);
a.setDouble(idx0 + 1, x0i + x2i);
a.setDouble(idx1, x0r - x2r);
a.setDouble(idx1 + 1, x0i - x2i);
x0r = x1r - x3i;
x0i = x1i + x3r;
a.setDouble(idx2, wn4r * (x0r - x0i));
a.setDouble(idx2 + 1, wn4r * (x0i + x0r));
x0r = x1r + x3i;
x0i = x1i - x3r;
a.setDouble(idx3, -wn4r * (x0r + x0i));
a.setDouble(idx3 + 1, -wn4r * (x0i - x0r));
}
public static void cftmdl2(int n, double[] a, int offa, double[] w, int startw)
{
int j0, j1, j2, j3, k, kr, m, mh;
double wn4r, wk1r, wk1i, wk3r, wk3i, wd1r, wd1i, wd3r, wd3i;
double x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i, y0r, y0i, y2r, y2i;
int idx0, idx1, idx2, idx3, idx4, idx5, idx6;
mh = n >> 3;
m = 2 * mh;
wn4r = w[startw + 1];
j1 = m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[offa] - a[idx2 + 1];
x0i = a[offa + 1] + a[idx2];
x1r = a[offa] + a[idx2 + 1];
x1i = a[offa + 1] - a[idx2];
x2r = a[idx1] - a[idx3 + 1];
x2i = a[idx1 + 1] + a[idx3];
x3r = a[idx1] + a[idx3 + 1];
x3i = a[idx1 + 1] - a[idx3];
y0r = wn4r * (x2r - x2i);
y0i = wn4r * (x2i + x2r);
a[offa] = x0r + y0r;
a[offa + 1] = x0i + y0i;
a[idx1] = x0r - y0r;
a[idx1 + 1] = x0i - y0i;
y0r = wn4r * (x3r - x3i);
y0i = wn4r * (x3i + x3r);
a[idx2] = x1r - y0i;
a[idx2 + 1] = x1i + y0r;
a[idx3] = x1r + y0i;
a[idx3 + 1] = x1i - y0r;
k = 0;
kr = 2 * m;
for (int j = 2; j < mh; j += 2) {
k += 4;
idx4 = startw + k;
wk1r = w[idx4];
wk1i = w[idx4 + 1];
wk3r = w[idx4 + 2];
wk3i = w[idx4 + 3];
kr -= 4;
idx5 = startw + kr;
wd1i = w[idx5];
wd1r = w[idx5 + 1];
wd3i = w[idx5 + 2];
wd3r = w[idx5 + 3];
j1 = j + m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
idx6 = offa + j;
x0r = a[idx6] - a[idx2 + 1];
x0i = a[idx6 + 1] + a[idx2];
x1r = a[idx6] + a[idx2 + 1];
x1i = a[idx6 + 1] - a[idx2];
x2r = a[idx1] - a[idx3 + 1];
x2i = a[idx1 + 1] + a[idx3];
x3r = a[idx1] + a[idx3 + 1];
x3i = a[idx1 + 1] - a[idx3];
y0r = wk1r * x0r - wk1i * x0i;
y0i = wk1r * x0i + wk1i * x0r;
y2r = wd1r * x2r - wd1i * x2i;
y2i = wd1r * x2i + wd1i * x2r;
a[idx6] = y0r + y2r;
a[idx6 + 1] = y0i + y2i;
a[idx1] = y0r - y2r;
a[idx1 + 1] = y0i - y2i;
y0r = wk3r * x1r + wk3i * x1i;
y0i = wk3r * x1i - wk3i * x1r;
y2r = wd3r * x3r + wd3i * x3i;
y2i = wd3r * x3i - wd3i * x3r;
a[idx2] = y0r + y2r;
a[idx2 + 1] = y0i + y2i;
a[idx3] = y0r - y2r;
a[idx3 + 1] = y0i - y2i;
j0 = m - j;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[idx0] - a[idx2 + 1];
x0i = a[idx0 + 1] + a[idx2];
x1r = a[idx0] + a[idx2 + 1];
x1i = a[idx0 + 1] - a[idx2];
x2r = a[idx1] - a[idx3 + 1];
x2i = a[idx1 + 1] + a[idx3];
x3r = a[idx1] + a[idx3 + 1];
x3i = a[idx1 + 1] - a[idx3];
y0r = wd1i * x0r - wd1r * x0i;
y0i = wd1i * x0i + wd1r * x0r;
y2r = wk1i * x2r - wk1r * x2i;
y2i = wk1i * x2i + wk1r * x2r;
a[idx0] = y0r + y2r;
a[idx0 + 1] = y0i + y2i;
a[idx1] = y0r - y2r;
a[idx1 + 1] = y0i - y2i;
y0r = wd3i * x1r + wd3r * x1i;
y0i = wd3i * x1i - wd3r * x1r;
y2r = wk3i * x3r + wk3r * x3i;
y2i = wk3i * x3i - wk3r * x3r;
a[idx2] = y0r + y2r;
a[idx2 + 1] = y0i + y2i;
a[idx3] = y0r - y2r;
a[idx3 + 1] = y0i - y2i;
}
wk1r = w[startw + m];
wk1i = w[startw + m + 1];
j0 = mh;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[idx0] - a[idx2 + 1];
x0i = a[idx0 + 1] + a[idx2];
x1r = a[idx0] + a[idx2 + 1];
x1i = a[idx0 + 1] - a[idx2];
x2r = a[idx1] - a[idx3 + 1];
x2i = a[idx1 + 1] + a[idx3];
x3r = a[idx1] + a[idx3 + 1];
x3i = a[idx1 + 1] - a[idx3];
y0r = wk1r * x0r - wk1i * x0i;
y0i = wk1r * x0i + wk1i * x0r;
y2r = wk1i * x2r - wk1r * x2i;
y2i = wk1i * x2i + wk1r * x2r;
a[idx0] = y0r + y2r;
a[idx0 + 1] = y0i + y2i;
a[idx1] = y0r - y2r;
a[idx1 + 1] = y0i - y2i;
y0r = wk1i * x1r - wk1r * x1i;
y0i = wk1i * x1i + wk1r * x1r;
y2r = wk1r * x3r - wk1i * x3i;
y2i = wk1r * x3i + wk1i * x3r;
a[idx2] = y0r - y2r;
a[idx2 + 1] = y0i - y2i;
a[idx3] = y0r + y2r;
a[idx3 + 1] = y0i + y2i;
}
public static void cftmdl2(long n, DoubleLargeArray a, long offa, DoubleLargeArray w, long startw)
{
long j0, j1, j2, j3, k, kr, m, mh;
double wn4r, wk1r, wk1i, wk3r, wk3i, wd1r, wd1i, wd3r, wd3i;
double x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i, y0r, y0i, y2r, y2i;
long idx0, idx1, idx2, idx3, idx4, idx5, idx6;
mh = n >> 3l;
m = 2 * mh;
wn4r = w.getDouble(startw + 1);
j1 = m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getDouble(offa) - a.getDouble(idx2 + 1);
x0i = a.getDouble(offa + 1) + a.getDouble(idx2);
x1r = a.getDouble(offa) + a.getDouble(idx2 + 1);
x1i = a.getDouble(offa + 1) - a.getDouble(idx2);
x2r = a.getDouble(idx1) - a.getDouble(idx3 + 1);
x2i = a.getDouble(idx1 + 1) + a.getDouble(idx3);
x3r = a.getDouble(idx1) + a.getDouble(idx3 + 1);
x3i = a.getDouble(idx1 + 1) - a.getDouble(idx3);
y0r = wn4r * (x2r - x2i);
y0i = wn4r * (x2i + x2r);
a.setDouble(offa, x0r + y0r);
a.setDouble(offa + 1, x0i + y0i);
a.setDouble(idx1, x0r - y0r);
a.setDouble(idx1 + 1, x0i - y0i);
y0r = wn4r * (x3r - x3i);
y0i = wn4r * (x3i + x3r);
a.setDouble(idx2, x1r - y0i);
a.setDouble(idx2 + 1, x1i + y0r);
a.setDouble(idx3, x1r + y0i);
a.setDouble(idx3 + 1, x1i - y0r);
k = 0;
kr = 2 * m;
for (int j = 2; j < mh; j += 2) {
k += 4;
idx4 = startw + k;
wk1r = w.getDouble(idx4);
wk1i = w.getDouble(idx4 + 1);
wk3r = w.getDouble(idx4 + 2);
wk3i = w.getDouble(idx4 + 3);
kr -= 4;
idx5 = startw + kr;
wd1i = w.getDouble(idx5);
wd1r = w.getDouble(idx5 + 1);
wd3i = w.getDouble(idx5 + 2);
wd3r = w.getDouble(idx5 + 3);
j1 = j + m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
idx6 = offa + j;
x0r = a.getDouble(idx6) - a.getDouble(idx2 + 1);
x0i = a.getDouble(idx6 + 1) + a.getDouble(idx2);
x1r = a.getDouble(idx6) + a.getDouble(idx2 + 1);
x1i = a.getDouble(idx6 + 1) - a.getDouble(idx2);
x2r = a.getDouble(idx1) - a.getDouble(idx3 + 1);
x2i = a.getDouble(idx1 + 1) + a.getDouble(idx3);
x3r = a.getDouble(idx1) + a.getDouble(idx3 + 1);
x3i = a.getDouble(idx1 + 1) - a.getDouble(idx3);
y0r = wk1r * x0r - wk1i * x0i;
y0i = wk1r * x0i + wk1i * x0r;
y2r = wd1r * x2r - wd1i * x2i;
y2i = wd1r * x2i + wd1i * x2r;
a.setDouble(idx6, y0r + y2r);
a.setDouble(idx6 + 1, y0i + y2i);
a.setDouble(idx1, y0r - y2r);
a.setDouble(idx1 + 1, y0i - y2i);
y0r = wk3r * x1r + wk3i * x1i;
y0i = wk3r * x1i - wk3i * x1r;
y2r = wd3r * x3r + wd3i * x3i;
y2i = wd3r * x3i - wd3i * x3r;
a.setDouble(idx2, y0r + y2r);
a.setDouble(idx2 + 1, y0i + y2i);
a.setDouble(idx3, y0r - y2r);
a.setDouble(idx3 + 1, y0i - y2i);
j0 = m - j;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getDouble(idx0) - a.getDouble(idx2 + 1);
x0i = a.getDouble(idx0 + 1) + a.getDouble(idx2);
x1r = a.getDouble(idx0) + a.getDouble(idx2 + 1);
x1i = a.getDouble(idx0 + 1) - a.getDouble(idx2);
x2r = a.getDouble(idx1) - a.getDouble(idx3 + 1);
x2i = a.getDouble(idx1 + 1) + a.getDouble(idx3);
x3r = a.getDouble(idx1) + a.getDouble(idx3 + 1);
x3i = a.getDouble(idx1 + 1) - a.getDouble(idx3);
y0r = wd1i * x0r - wd1r * x0i;
y0i = wd1i * x0i + wd1r * x0r;
y2r = wk1i * x2r - wk1r * x2i;
y2i = wk1i * x2i + wk1r * x2r;
a.setDouble(idx0, y0r + y2r);
a.setDouble(idx0 + 1, y0i + y2i);
a.setDouble(idx1, y0r - y2r);
a.setDouble(idx1 + 1, y0i - y2i);
y0r = wd3i * x1r + wd3r * x1i;
y0i = wd3i * x1i - wd3r * x1r;
y2r = wk3i * x3r + wk3r * x3i;
y2i = wk3i * x3i - wk3r * x3r;
a.setDouble(idx2, y0r + y2r);
a.setDouble(idx2 + 1, y0i + y2i);
a.setDouble(idx3, y0r - y2r);
a.setDouble(idx3 + 1, y0i - y2i);
}
wk1r = w.getDouble(startw + m);
wk1i = w.getDouble(startw + m + 1);
j0 = mh;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getDouble(idx0) - a.getDouble(idx2 + 1);
x0i = a.getDouble(idx0 + 1) + a.getDouble(idx2);
x1r = a.getDouble(idx0) + a.getDouble(idx2 + 1);
x1i = a.getDouble(idx0 + 1) - a.getDouble(idx2);
x2r = a.getDouble(idx1) - a.getDouble(idx3 + 1);
x2i = a.getDouble(idx1 + 1) + a.getDouble(idx3);
x3r = a.getDouble(idx1) + a.getDouble(idx3 + 1);
x3i = a.getDouble(idx1 + 1) - a.getDouble(idx3);
y0r = wk1r * x0r - wk1i * x0i;
y0i = wk1r * x0i + wk1i * x0r;
y2r = wk1i * x2r - wk1r * x2i;
y2i = wk1i * x2i + wk1r * x2r;
a.setDouble(idx0, y0r + y2r);
a.setDouble(idx0 + 1, y0i + y2i);
a.setDouble(idx1, y0r - y2r);
a.setDouble(idx1 + 1, y0i - y2i);
y0r = wk1i * x1r - wk1r * x1i;
y0i = wk1i * x1i + wk1r * x1r;
y2r = wk1r * x3r - wk1i * x3i;
y2i = wk1r * x3i + wk1i * x3r;
a.setDouble(idx2, y0r - y2r);
a.setDouble(idx2 + 1, y0i - y2i);
a.setDouble(idx3, y0r + y2r);
a.setDouble(idx3 + 1, y0i + y2i);
}
public static void cftfx41(int n, double[] a, int offa, int nw, double[] w)
{
if (n == 128) {
cftf161(a, offa, w, nw - 8);
cftf162(a, offa + 32, w, nw - 32);
cftf161(a, offa + 64, w, nw - 8);
cftf161(a, offa + 96, w, nw - 8);
} else {
cftf081(a, offa, w, nw - 8);
cftf082(a, offa + 16, w, nw - 8);
cftf081(a, offa + 32, w, nw - 8);
cftf081(a, offa + 48, w, nw - 8);
}
}
public static void cftfx41(long n, DoubleLargeArray a, long offa, long nw, DoubleLargeArray w)
{
if (n == 128) {
cftf161(a, offa, w, nw - 8);
cftf162(a, offa + 32, w, nw - 32);
cftf161(a, offa + 64, w, nw - 8);
cftf161(a, offa + 96, w, nw - 8);
} else {
cftf081(a, offa, w, nw - 8);
cftf082(a, offa + 16, w, nw - 8);
cftf081(a, offa + 32, w, nw - 8);
cftf081(a, offa + 48, w, nw - 8);
}
}
public static void cftf161(double[] a, int offa, double[] w, int startw)
{
double wn4r, wk1r, wk1i, x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i, y4r, y4i, y5r, y5i, y6r, y6i, y7r, y7i, y8r, y8i, y9r, y9i, y10r, y10i, y11r, y11i, y12r, y12i, y13r, y13i, y14r, y14i, y15r, y15i;
wn4r = w[startw + 1];
wk1r = w[startw + 2];
wk1i = w[startw + 3];
x0r = a[offa] + a[offa + 16];
x0i = a[offa + 1] + a[offa + 17];
x1r = a[offa] - a[offa + 16];
x1i = a[offa + 1] - a[offa + 17];
x2r = a[offa + 8] + a[offa + 24];
x2i = a[offa + 9] + a[offa + 25];
x3r = a[offa + 8] - a[offa + 24];
x3i = a[offa + 9] - a[offa + 25];
y0r = x0r + x2r;
y0i = x0i + x2i;
y4r = x0r - x2r;
y4i = x0i - x2i;
y8r = x1r - x3i;
y8i = x1i + x3r;
y12r = x1r + x3i;
y12i = x1i - x3r;
x0r = a[offa + 2] + a[offa + 18];
x0i = a[offa + 3] + a[offa + 19];
x1r = a[offa + 2] - a[offa + 18];
x1i = a[offa + 3] - a[offa + 19];
x2r = a[offa + 10] + a[offa + 26];
x2i = a[offa + 11] + a[offa + 27];
x3r = a[offa + 10] - a[offa + 26];
x3i = a[offa + 11] - a[offa + 27];
y1r = x0r + x2r;
y1i = x0i + x2i;
y5r = x0r - x2r;
y5i = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
y9r = wk1r * x0r - wk1i * x0i;
y9i = wk1r * x0i + wk1i * x0r;
x0r = x1r + x3i;
x0i = x1i - x3r;
y13r = wk1i * x0r - wk1r * x0i;
y13i = wk1i * x0i + wk1r * x0r;
x0r = a[offa + 4] + a[offa + 20];
x0i = a[offa + 5] + a[offa + 21];
x1r = a[offa + 4] - a[offa + 20];
x1i = a[offa + 5] - a[offa + 21];
x2r = a[offa + 12] + a[offa + 28];
x2i = a[offa + 13] + a[offa + 29];
x3r = a[offa + 12] - a[offa + 28];
x3i = a[offa + 13] - a[offa + 29];
y2r = x0r + x2r;
y2i = x0i + x2i;
y6r = x0r - x2r;
y6i = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
y10r = wn4r * (x0r - x0i);
y10i = wn4r * (x0i + x0r);
x0r = x1r + x3i;
x0i = x1i - x3r;
y14r = wn4r * (x0r + x0i);
y14i = wn4r * (x0i - x0r);
x0r = a[offa + 6] + a[offa + 22];
x0i = a[offa + 7] + a[offa + 23];
x1r = a[offa + 6] - a[offa + 22];
x1i = a[offa + 7] - a[offa + 23];
x2r = a[offa + 14] + a[offa + 30];
x2i = a[offa + 15] + a[offa + 31];
x3r = a[offa + 14] - a[offa + 30];
x3i = a[offa + 15] - a[offa + 31];
y3r = x0r + x2r;
y3i = x0i + x2i;
y7r = x0r - x2r;
y7i = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
y11r = wk1i * x0r - wk1r * x0i;
y11i = wk1i * x0i + wk1r * x0r;
x0r = x1r + x3i;
x0i = x1i - x3r;
y15r = wk1r * x0r - wk1i * x0i;
y15i = wk1r * x0i + wk1i * x0r;
x0r = y12r - y14r;
x0i = y12i - y14i;
x1r = y12r + y14r;
x1i = y12i + y14i;
x2r = y13r - y15r;
x2i = y13i - y15i;
x3r = y13r + y15r;
x3i = y13i + y15i;
a[offa + 24] = x0r + x2r;
a[offa + 25] = x0i + x2i;
a[offa + 26] = x0r - x2r;
a[offa + 27] = x0i - x2i;
a[offa + 28] = x1r - x3i;
a[offa + 29] = x1i + x3r;
a[offa + 30] = x1r + x3i;
a[offa + 31] = x1i - x3r;
x0r = y8r + y10r;
x0i = y8i + y10i;
x1r = y8r - y10r;
x1i = y8i - y10i;
x2r = y9r + y11r;
x2i = y9i + y11i;
x3r = y9r - y11r;
x3i = y9i - y11i;
a[offa + 16] = x0r + x2r;
a[offa + 17] = x0i + x2i;
a[offa + 18] = x0r - x2r;
a[offa + 19] = x0i - x2i;
a[offa + 20] = x1r - x3i;
a[offa + 21] = x1i + x3r;
a[offa + 22] = x1r + x3i;
a[offa + 23] = x1i - x3r;
x0r = y5r - y7i;
x0i = y5i + y7r;
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
x0r = y5r + y7i;
x0i = y5i - y7r;
x3r = wn4r * (x0r - x0i);
x3i = wn4r * (x0i + x0r);
x0r = y4r - y6i;
x0i = y4i + y6r;
x1r = y4r + y6i;
x1i = y4i - y6r;
a[offa + 8] = x0r + x2r;
a[offa + 9] = x0i + x2i;
a[offa + 10] = x0r - x2r;
a[offa + 11] = x0i - x2i;
a[offa + 12] = x1r - x3i;
a[offa + 13] = x1i + x3r;
a[offa + 14] = x1r + x3i;
a[offa + 15] = x1i - x3r;
x0r = y0r + y2r;
x0i = y0i + y2i;
x1r = y0r - y2r;
x1i = y0i - y2i;
x2r = y1r + y3r;
x2i = y1i + y3i;
x3r = y1r - y3r;
x3i = y1i - y3i;
a[offa] = x0r + x2r;
a[offa + 1] = x0i + x2i;
a[offa + 2] = x0r - x2r;
a[offa + 3] = x0i - x2i;
a[offa + 4] = x1r - x3i;
a[offa + 5] = x1i + x3r;
a[offa + 6] = x1r + x3i;
a[offa + 7] = x1i - x3r;
}
public static void cftf161(DoubleLargeArray a, long offa, DoubleLargeArray w, long startw)
{
double wn4r, wk1r, wk1i, x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i, y4r, y4i, y5r, y5i, y6r, y6i, y7r, y7i, y8r, y8i, y9r, y9i, y10r, y10i, y11r, y11i, y12r, y12i, y13r, y13i, y14r, y14i, y15r, y15i;
wn4r = w.getDouble(startw + 1);
wk1r = w.getDouble(startw + 2);
wk1i = w.getDouble(startw + 3);
x0r = a.getDouble(offa) + a.getDouble(offa + 16);
x0i = a.getDouble(offa + 1) + a.getDouble(offa + 17);
x1r = a.getDouble(offa) - a.getDouble(offa + 16);
x1i = a.getDouble(offa + 1) - a.getDouble(offa + 17);
x2r = a.getDouble(offa + 8) + a.getDouble(offa + 24);
x2i = a.getDouble(offa + 9) + a.getDouble(offa + 25);
x3r = a.getDouble(offa + 8) - a.getDouble(offa + 24);
x3i = a.getDouble(offa + 9) - a.getDouble(offa + 25);
y0r = x0r + x2r;
y0i = x0i + x2i;
y4r = x0r - x2r;
y4i = x0i - x2i;
y8r = x1r - x3i;
y8i = x1i + x3r;
y12r = x1r + x3i;
y12i = x1i - x3r;
x0r = a.getDouble(offa + 2) + a.getDouble(offa + 18);
x0i = a.getDouble(offa + 3) + a.getDouble(offa + 19);
x1r = a.getDouble(offa + 2) - a.getDouble(offa + 18);
x1i = a.getDouble(offa + 3) - a.getDouble(offa + 19);
x2r = a.getDouble(offa + 10) + a.getDouble(offa + 26);
x2i = a.getDouble(offa + 11) + a.getDouble(offa + 27);
x3r = a.getDouble(offa + 10) - a.getDouble(offa + 26);
x3i = a.getDouble(offa + 11) - a.getDouble(offa + 27);
y1r = x0r + x2r;
y1i = x0i + x2i;
y5r = x0r - x2r;
y5i = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
y9r = wk1r * x0r - wk1i * x0i;
y9i = wk1r * x0i + wk1i * x0r;
x0r = x1r + x3i;
x0i = x1i - x3r;
y13r = wk1i * x0r - wk1r * x0i;
y13i = wk1i * x0i + wk1r * x0r;
x0r = a.getDouble(offa + 4) + a.getDouble(offa + 20);
x0i = a.getDouble(offa + 5) + a.getDouble(offa + 21);
x1r = a.getDouble(offa + 4) - a.getDouble(offa + 20);
x1i = a.getDouble(offa + 5) - a.getDouble(offa + 21);
x2r = a.getDouble(offa + 12) + a.getDouble(offa + 28);
x2i = a.getDouble(offa + 13) + a.getDouble(offa + 29);
x3r = a.getDouble(offa + 12) - a.getDouble(offa + 28);
x3i = a.getDouble(offa + 13) - a.getDouble(offa + 29);
y2r = x0r + x2r;
y2i = x0i + x2i;
y6r = x0r - x2r;
y6i = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
y10r = wn4r * (x0r - x0i);
y10i = wn4r * (x0i + x0r);
x0r = x1r + x3i;
x0i = x1i - x3r;
y14r = wn4r * (x0r + x0i);
y14i = wn4r * (x0i - x0r);
x0r = a.getDouble(offa + 6) + a.getDouble(offa + 22);
x0i = a.getDouble(offa + 7) + a.getDouble(offa + 23);
x1r = a.getDouble(offa + 6) - a.getDouble(offa + 22);
x1i = a.getDouble(offa + 7) - a.getDouble(offa + 23);
x2r = a.getDouble(offa + 14) + a.getDouble(offa + 30);
x2i = a.getDouble(offa + 15) + a.getDouble(offa + 31);
x3r = a.getDouble(offa + 14) - a.getDouble(offa + 30);
x3i = a.getDouble(offa + 15) - a.getDouble(offa + 31);
y3r = x0r + x2r;
y3i = x0i + x2i;
y7r = x0r - x2r;
y7i = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
y11r = wk1i * x0r - wk1r * x0i;
y11i = wk1i * x0i + wk1r * x0r;
x0r = x1r + x3i;
x0i = x1i - x3r;
y15r = wk1r * x0r - wk1i * x0i;
y15i = wk1r * x0i + wk1i * x0r;
x0r = y12r - y14r;
x0i = y12i - y14i;
x1r = y12r + y14r;
x1i = y12i + y14i;
x2r = y13r - y15r;
x2i = y13i - y15i;
x3r = y13r + y15r;
x3i = y13i + y15i;
a.setDouble(offa + 24, x0r + x2r);
a.setDouble(offa + 25, x0i + x2i);
a.setDouble(offa + 26, x0r - x2r);
a.setDouble(offa + 27, x0i - x2i);
a.setDouble(offa + 28, x1r - x3i);
a.setDouble(offa + 29, x1i + x3r);
a.setDouble(offa + 30, x1r + x3i);
a.setDouble(offa + 31, x1i - x3r);
x0r = y8r + y10r;
x0i = y8i + y10i;
x1r = y8r - y10r;
x1i = y8i - y10i;
x2r = y9r + y11r;
x2i = y9i + y11i;
x3r = y9r - y11r;
x3i = y9i - y11i;
a.setDouble(offa + 16, x0r + x2r);
a.setDouble(offa + 17, x0i + x2i);
a.setDouble(offa + 18, x0r - x2r);
a.setDouble(offa + 19, x0i - x2i);
a.setDouble(offa + 20, x1r - x3i);
a.setDouble(offa + 21, x1i + x3r);
a.setDouble(offa + 22, x1r + x3i);
a.setDouble(offa + 23, x1i - x3r);
x0r = y5r - y7i;
x0i = y5i + y7r;
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
x0r = y5r + y7i;
x0i = y5i - y7r;
x3r = wn4r * (x0r - x0i);
x3i = wn4r * (x0i + x0r);
x0r = y4r - y6i;
x0i = y4i + y6r;
x1r = y4r + y6i;
x1i = y4i - y6r;
a.setDouble(offa + 8, x0r + x2r);
a.setDouble(offa + 9, x0i + x2i);
a.setDouble(offa + 10, x0r - x2r);
a.setDouble(offa + 11, x0i - x2i);
a.setDouble(offa + 12, x1r - x3i);
a.setDouble(offa + 13, x1i + x3r);
a.setDouble(offa + 14, x1r + x3i);
a.setDouble(offa + 15, x1i - x3r);
x0r = y0r + y2r;
x0i = y0i + y2i;
x1r = y0r - y2r;
x1i = y0i - y2i;
x2r = y1r + y3r;
x2i = y1i + y3i;
x3r = y1r - y3r;
x3i = y1i - y3i;
a.setDouble(offa, x0r + x2r);
a.setDouble(offa + 1, x0i + x2i);
a.setDouble(offa + 2, x0r - x2r);
a.setDouble(offa + 3, x0i - x2i);
a.setDouble(offa + 4, x1r - x3i);
a.setDouble(offa + 5, x1i + x3r);
a.setDouble(offa + 6, x1r + x3i);
a.setDouble(offa + 7, x1i - x3r);
}
public static void cftf162(double[] a, int offa, double[] w, int startw)
{
double wn4r, wk1r, wk1i, wk2r, wk2i, wk3r, wk3i, x0r, x0i, x1r, x1i, x2r, x2i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i, y4r, y4i, y5r, y5i, y6r, y6i, y7r, y7i, y8r, y8i, y9r, y9i, y10r, y10i, y11r, y11i, y12r, y12i, y13r, y13i, y14r, y14i, y15r, y15i;
wn4r = w[startw + 1];
wk1r = w[startw + 4];
wk1i = w[startw + 5];
wk3r = w[startw + 6];
wk3i = -w[startw + 7];
wk2r = w[startw + 8];
wk2i = w[startw + 9];
x1r = a[offa] - a[offa + 17];
x1i = a[offa + 1] + a[offa + 16];
x0r = a[offa + 8] - a[offa + 25];
x0i = a[offa + 9] + a[offa + 24];
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
y0r = x1r + x2r;
y0i = x1i + x2i;
y4r = x1r - x2r;
y4i = x1i - x2i;
x1r = a[offa] + a[offa + 17];
x1i = a[offa + 1] - a[offa + 16];
x0r = a[offa + 8] + a[offa + 25];
x0i = a[offa + 9] - a[offa + 24];
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
y8r = x1r - x2i;
y8i = x1i + x2r;
y12r = x1r + x2i;
y12i = x1i - x2r;
x0r = a[offa + 2] - a[offa + 19];
x0i = a[offa + 3] + a[offa + 18];
x1r = wk1r * x0r - wk1i * x0i;
x1i = wk1r * x0i + wk1i * x0r;
x0r = a[offa + 10] - a[offa + 27];
x0i = a[offa + 11] + a[offa + 26];
x2r = wk3i * x0r - wk3r * x0i;
x2i = wk3i * x0i + wk3r * x0r;
y1r = x1r + x2r;
y1i = x1i + x2i;
y5r = x1r - x2r;
y5i = x1i - x2i;
x0r = a[offa + 2] + a[offa + 19];
x0i = a[offa + 3] - a[offa + 18];
x1r = wk3r * x0r - wk3i * x0i;
x1i = wk3r * x0i + wk3i * x0r;
x0r = a[offa + 10] + a[offa + 27];
x0i = a[offa + 11] - a[offa + 26];
x2r = wk1r * x0r + wk1i * x0i;
x2i = wk1r * x0i - wk1i * x0r;
y9r = x1r - x2r;
y9i = x1i - x2i;
y13r = x1r + x2r;
y13i = x1i + x2i;
x0r = a[offa + 4] - a[offa + 21];
x0i = a[offa + 5] + a[offa + 20];
x1r = wk2r * x0r - wk2i * x0i;
x1i = wk2r * x0i + wk2i * x0r;
x0r = a[offa + 12] - a[offa + 29];
x0i = a[offa + 13] + a[offa + 28];
x2r = wk2i * x0r - wk2r * x0i;
x2i = wk2i * x0i + wk2r * x0r;
y2r = x1r + x2r;
y2i = x1i + x2i;
y6r = x1r - x2r;
y6i = x1i - x2i;
x0r = a[offa + 4] + a[offa + 21];
x0i = a[offa + 5] - a[offa + 20];
x1r = wk2i * x0r - wk2r * x0i;
x1i = wk2i * x0i + wk2r * x0r;
x0r = a[offa + 12] + a[offa + 29];
x0i = a[offa + 13] - a[offa + 28];
x2r = wk2r * x0r - wk2i * x0i;
x2i = wk2r * x0i + wk2i * x0r;
y10r = x1r - x2r;
y10i = x1i - x2i;
y14r = x1r + x2r;
y14i = x1i + x2i;
x0r = a[offa + 6] - a[offa + 23];
x0i = a[offa + 7] + a[offa + 22];
x1r = wk3r * x0r - wk3i * x0i;
x1i = wk3r * x0i + wk3i * x0r;
x0r = a[offa + 14] - a[offa + 31];
x0i = a[offa + 15] + a[offa + 30];
x2r = wk1i * x0r - wk1r * x0i;
x2i = wk1i * x0i + wk1r * x0r;
y3r = x1r + x2r;
y3i = x1i + x2i;
y7r = x1r - x2r;
y7i = x1i - x2i;
x0r = a[offa + 6] + a[offa + 23];
x0i = a[offa + 7] - a[offa + 22];
x1r = wk1i * x0r + wk1r * x0i;
x1i = wk1i * x0i - wk1r * x0r;
x0r = a[offa + 14] + a[offa + 31];
x0i = a[offa + 15] - a[offa + 30];
x2r = wk3i * x0r - wk3r * x0i;
x2i = wk3i * x0i + wk3r * x0r;
y11r = x1r + x2r;
y11i = x1i + x2i;
y15r = x1r - x2r;
y15i = x1i - x2i;
x1r = y0r + y2r;
x1i = y0i + y2i;
x2r = y1r + y3r;
x2i = y1i + y3i;
a[offa] = x1r + x2r;
a[offa + 1] = x1i + x2i;
a[offa + 2] = x1r - x2r;
a[offa + 3] = x1i - x2i;
x1r = y0r - y2r;
x1i = y0i - y2i;
x2r = y1r - y3r;
x2i = y1i - y3i;
a[offa + 4] = x1r - x2i;
a[offa + 5] = x1i + x2r;
a[offa + 6] = x1r + x2i;
a[offa + 7] = x1i - x2r;
x1r = y4r - y6i;
x1i = y4i + y6r;
x0r = y5r - y7i;
x0i = y5i + y7r;
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
a[offa + 8] = x1r + x2r;
a[offa + 9] = x1i + x2i;
a[offa + 10] = x1r - x2r;
a[offa + 11] = x1i - x2i;
x1r = y4r + y6i;
x1i = y4i - y6r;
x0r = y5r + y7i;
x0i = y5i - y7r;
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
a[offa + 12] = x1r - x2i;
a[offa + 13] = x1i + x2r;
a[offa + 14] = x1r + x2i;
a[offa + 15] = x1i - x2r;
x1r = y8r + y10r;
x1i = y8i + y10i;
x2r = y9r - y11r;
x2i = y9i - y11i;
a[offa + 16] = x1r + x2r;
a[offa + 17] = x1i + x2i;
a[offa + 18] = x1r - x2r;
a[offa + 19] = x1i - x2i;
x1r = y8r - y10r;
x1i = y8i - y10i;
x2r = y9r + y11r;
x2i = y9i + y11i;
a[offa + 20] = x1r - x2i;
a[offa + 21] = x1i + x2r;
a[offa + 22] = x1r + x2i;
a[offa + 23] = x1i - x2r;
x1r = y12r - y14i;
x1i = y12i + y14r;
x0r = y13r + y15i;
x0i = y13i - y15r;
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
a[offa + 24] = x1r + x2r;
a[offa + 25] = x1i + x2i;
a[offa + 26] = x1r - x2r;
a[offa + 27] = x1i - x2i;
x1r = y12r + y14i;
x1i = y12i - y14r;
x0r = y13r - y15i;
x0i = y13i + y15r;
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
a[offa + 28] = x1r - x2i;
a[offa + 29] = x1i + x2r;
a[offa + 30] = x1r + x2i;
a[offa + 31] = x1i - x2r;
}
public static void cftf162(DoubleLargeArray a, long offa, DoubleLargeArray w, long startw)
{
double wn4r, wk1r, wk1i, wk2r, wk2i, wk3r, wk3i, x0r, x0i, x1r, x1i, x2r, x2i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i, y4r, y4i, y5r, y5i, y6r, y6i, y7r, y7i, y8r, y8i, y9r, y9i, y10r, y10i, y11r, y11i, y12r, y12i, y13r, y13i, y14r, y14i, y15r, y15i;
wn4r = w.getDouble(startw + 1);
wk1r = w.getDouble(startw + 4);
wk1i = w.getDouble(startw + 5);
wk3r = w.getDouble(startw + 6);
wk3i = -w.getDouble(startw + 7);
wk2r = w.getDouble(startw + 8);
wk2i = w.getDouble(startw + 9);
x1r = a.getDouble(offa) - a.getDouble(offa + 17);
x1i = a.getDouble(offa + 1) + a.getDouble(offa + 16);
x0r = a.getDouble(offa + 8) - a.getDouble(offa + 25);
x0i = a.getDouble(offa + 9) + a.getDouble(offa + 24);
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
y0r = x1r + x2r;
y0i = x1i + x2i;
y4r = x1r - x2r;
y4i = x1i - x2i;
x1r = a.getDouble(offa) + a.getDouble(offa + 17);
x1i = a.getDouble(offa + 1) - a.getDouble(offa + 16);
x0r = a.getDouble(offa + 8) + a.getDouble(offa + 25);
x0i = a.getDouble(offa + 9) - a.getDouble(offa + 24);
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
y8r = x1r - x2i;
y8i = x1i + x2r;
y12r = x1r + x2i;
y12i = x1i - x2r;
x0r = a.getDouble(offa + 2) - a.getDouble(offa + 19);
x0i = a.getDouble(offa + 3) + a.getDouble(offa + 18);
x1r = wk1r * x0r - wk1i * x0i;
x1i = wk1r * x0i + wk1i * x0r;
x0r = a.getDouble(offa + 10) - a.getDouble(offa + 27);
x0i = a.getDouble(offa + 11) + a.getDouble(offa + 26);
x2r = wk3i * x0r - wk3r * x0i;
x2i = wk3i * x0i + wk3r * x0r;
y1r = x1r + x2r;
y1i = x1i + x2i;
y5r = x1r - x2r;
y5i = x1i - x2i;
x0r = a.getDouble(offa + 2) + a.getDouble(offa + 19);
x0i = a.getDouble(offa + 3) - a.getDouble(offa + 18);
x1r = wk3r * x0r - wk3i * x0i;
x1i = wk3r * x0i + wk3i * x0r;
x0r = a.getDouble(offa + 10) + a.getDouble(offa + 27);
x0i = a.getDouble(offa + 11) - a.getDouble(offa + 26);
x2r = wk1r * x0r + wk1i * x0i;
x2i = wk1r * x0i - wk1i * x0r;
y9r = x1r - x2r;
y9i = x1i - x2i;
y13r = x1r + x2r;
y13i = x1i + x2i;
x0r = a.getDouble(offa + 4) - a.getDouble(offa + 21);
x0i = a.getDouble(offa + 5) + a.getDouble(offa + 20);
x1r = wk2r * x0r - wk2i * x0i;
x1i = wk2r * x0i + wk2i * x0r;
x0r = a.getDouble(offa + 12) - a.getDouble(offa + 29);
x0i = a.getDouble(offa + 13) + a.getDouble(offa + 28);
x2r = wk2i * x0r - wk2r * x0i;
x2i = wk2i * x0i + wk2r * x0r;
y2r = x1r + x2r;
y2i = x1i + x2i;
y6r = x1r - x2r;
y6i = x1i - x2i;
x0r = a.getDouble(offa + 4) + a.getDouble(offa + 21);
x0i = a.getDouble(offa + 5) - a.getDouble(offa + 20);
x1r = wk2i * x0r - wk2r * x0i;
x1i = wk2i * x0i + wk2r * x0r;
x0r = a.getDouble(offa + 12) + a.getDouble(offa + 29);
x0i = a.getDouble(offa + 13) - a.getDouble(offa + 28);
x2r = wk2r * x0r - wk2i * x0i;
x2i = wk2r * x0i + wk2i * x0r;
y10r = x1r - x2r;
y10i = x1i - x2i;
y14r = x1r + x2r;
y14i = x1i + x2i;
x0r = a.getDouble(offa + 6) - a.getDouble(offa + 23);
x0i = a.getDouble(offa + 7) + a.getDouble(offa + 22);
x1r = wk3r * x0r - wk3i * x0i;
x1i = wk3r * x0i + wk3i * x0r;
x0r = a.getDouble(offa + 14) - a.getDouble(offa + 31);
x0i = a.getDouble(offa + 15) + a.getDouble(offa + 30);
x2r = wk1i * x0r - wk1r * x0i;
x2i = wk1i * x0i + wk1r * x0r;
y3r = x1r + x2r;
y3i = x1i + x2i;
y7r = x1r - x2r;
y7i = x1i - x2i;
x0r = a.getDouble(offa + 6) + a.getDouble(offa + 23);
x0i = a.getDouble(offa + 7) - a.getDouble(offa + 22);
x1r = wk1i * x0r + wk1r * x0i;
x1i = wk1i * x0i - wk1r * x0r;
x0r = a.getDouble(offa + 14) + a.getDouble(offa + 31);
x0i = a.getDouble(offa + 15) - a.getDouble(offa + 30);
x2r = wk3i * x0r - wk3r * x0i;
x2i = wk3i * x0i + wk3r * x0r;
y11r = x1r + x2r;
y11i = x1i + x2i;
y15r = x1r - x2r;
y15i = x1i - x2i;
x1r = y0r + y2r;
x1i = y0i + y2i;
x2r = y1r + y3r;
x2i = y1i + y3i;
a.setDouble(offa, x1r + x2r);
a.setDouble(offa + 1, x1i + x2i);
a.setDouble(offa + 2, x1r - x2r);
a.setDouble(offa + 3, x1i - x2i);
x1r = y0r - y2r;
x1i = y0i - y2i;
x2r = y1r - y3r;
x2i = y1i - y3i;
a.setDouble(offa + 4, x1r - x2i);
a.setDouble(offa + 5, x1i + x2r);
a.setDouble(offa + 6, x1r + x2i);
a.setDouble(offa + 7, x1i - x2r);
x1r = y4r - y6i;
x1i = y4i + y6r;
x0r = y5r - y7i;
x0i = y5i + y7r;
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
a.setDouble(offa + 8, x1r + x2r);
a.setDouble(offa + 9, x1i + x2i);
a.setDouble(offa + 10, x1r - x2r);
a.setDouble(offa + 11, x1i - x2i);
x1r = y4r + y6i;
x1i = y4i - y6r;
x0r = y5r + y7i;
x0i = y5i - y7r;
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
a.setDouble(offa + 12, x1r - x2i);
a.setDouble(offa + 13, x1i + x2r);
a.setDouble(offa + 14, x1r + x2i);
a.setDouble(offa + 15, x1i - x2r);
x1r = y8r + y10r;
x1i = y8i + y10i;
x2r = y9r - y11r;
x2i = y9i - y11i;
a.setDouble(offa + 16, x1r + x2r);
a.setDouble(offa + 17, x1i + x2i);
a.setDouble(offa + 18, x1r - x2r);
a.setDouble(offa + 19, x1i - x2i);
x1r = y8r - y10r;
x1i = y8i - y10i;
x2r = y9r + y11r;
x2i = y9i + y11i;
a.setDouble(offa + 20, x1r - x2i);
a.setDouble(offa + 21, x1i + x2r);
a.setDouble(offa + 22, x1r + x2i);
a.setDouble(offa + 23, x1i - x2r);
x1r = y12r - y14i;
x1i = y12i + y14r;
x0r = y13r + y15i;
x0i = y13i - y15r;
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
a.setDouble(offa + 24, x1r + x2r);
a.setDouble(offa + 25, x1i + x2i);
a.setDouble(offa + 26, x1r - x2r);
a.setDouble(offa + 27, x1i - x2i);
x1r = y12r + y14i;
x1i = y12i - y14r;
x0r = y13r - y15i;
x0i = y13i + y15r;
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
a.setDouble(offa + 28, x1r - x2i);
a.setDouble(offa + 29, x1i + x2r);
a.setDouble(offa + 30, x1r + x2i);
a.setDouble(offa + 31, x1i - x2r);
}
public static void cftf081(double[] a, int offa, double[] w, int startw)
{
double wn4r, x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i, y4r, y4i, y5r, y5i, y6r, y6i, y7r, y7i;
wn4r = w[startw + 1];
x0r = a[offa] + a[offa + 8];
x0i = a[offa + 1] + a[offa + 9];
x1r = a[offa] - a[offa + 8];
x1i = a[offa + 1] - a[offa + 9];
x2r = a[offa + 4] + a[offa + 12];
x2i = a[offa + 5] + a[offa + 13];
x3r = a[offa + 4] - a[offa + 12];
x3i = a[offa + 5] - a[offa + 13];
y0r = x0r + x2r;
y0i = x0i + x2i;
y2r = x0r - x2r;
y2i = x0i - x2i;
y1r = x1r - x3i;
y1i = x1i + x3r;
y3r = x1r + x3i;
y3i = x1i - x3r;
x0r = a[offa + 2] + a[offa + 10];
x0i = a[offa + 3] + a[offa + 11];
x1r = a[offa + 2] - a[offa + 10];
x1i = a[offa + 3] - a[offa + 11];
x2r = a[offa + 6] + a[offa + 14];
x2i = a[offa + 7] + a[offa + 15];
x3r = a[offa + 6] - a[offa + 14];
x3i = a[offa + 7] - a[offa + 15];
y4r = x0r + x2r;
y4i = x0i + x2i;
y6r = x0r - x2r;
y6i = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
x2r = x1r + x3i;
x2i = x1i - x3r;
y5r = wn4r * (x0r - x0i);
y5i = wn4r * (x0r + x0i);
y7r = wn4r * (x2r - x2i);
y7i = wn4r * (x2r + x2i);
a[offa + 8] = y1r + y5r;
a[offa + 9] = y1i + y5i;
a[offa + 10] = y1r - y5r;
a[offa + 11] = y1i - y5i;
a[offa + 12] = y3r - y7i;
a[offa + 13] = y3i + y7r;
a[offa + 14] = y3r + y7i;
a[offa + 15] = y3i - y7r;
a[offa] = y0r + y4r;
a[offa + 1] = y0i + y4i;
a[offa + 2] = y0r - y4r;
a[offa + 3] = y0i - y4i;
a[offa + 4] = y2r - y6i;
a[offa + 5] = y2i + y6r;
a[offa + 6] = y2r + y6i;
a[offa + 7] = y2i - y6r;
}
public static void cftf081(DoubleLargeArray a, long offa, DoubleLargeArray w, long startw)
{
double wn4r, x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i, y4r, y4i, y5r, y5i, y6r, y6i, y7r, y7i;
wn4r = w.getDouble(startw + 1);
x0r = a.getDouble(offa) + a.getDouble(offa + 8);
x0i = a.getDouble(offa + 1) + a.getDouble(offa + 9);
x1r = a.getDouble(offa) - a.getDouble(offa + 8);
x1i = a.getDouble(offa + 1) - a.getDouble(offa + 9);
x2r = a.getDouble(offa + 4) + a.getDouble(offa + 12);
x2i = a.getDouble(offa + 5) + a.getDouble(offa + 13);
x3r = a.getDouble(offa + 4) - a.getDouble(offa + 12);
x3i = a.getDouble(offa + 5) - a.getDouble(offa + 13);
y0r = x0r + x2r;
y0i = x0i + x2i;
y2r = x0r - x2r;
y2i = x0i - x2i;
y1r = x1r - x3i;
y1i = x1i + x3r;
y3r = x1r + x3i;
y3i = x1i - x3r;
x0r = a.getDouble(offa + 2) + a.getDouble(offa + 10);
x0i = a.getDouble(offa + 3) + a.getDouble(offa + 11);
x1r = a.getDouble(offa + 2) - a.getDouble(offa + 10);
x1i = a.getDouble(offa + 3) - a.getDouble(offa + 11);
x2r = a.getDouble(offa + 6) + a.getDouble(offa + 14);
x2i = a.getDouble(offa + 7) + a.getDouble(offa + 15);
x3r = a.getDouble(offa + 6) - a.getDouble(offa + 14);
x3i = a.getDouble(offa + 7) - a.getDouble(offa + 15);
y4r = x0r + x2r;
y4i = x0i + x2i;
y6r = x0r - x2r;
y6i = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
x2r = x1r + x3i;
x2i = x1i - x3r;
y5r = wn4r * (x0r - x0i);
y5i = wn4r * (x0r + x0i);
y7r = wn4r * (x2r - x2i);
y7i = wn4r * (x2r + x2i);
a.setDouble(offa + 8, y1r + y5r);
a.setDouble(offa + 9, y1i + y5i);
a.setDouble(offa + 10, y1r - y5r);
a.setDouble(offa + 11, y1i - y5i);
a.setDouble(offa + 12, y3r - y7i);
a.setDouble(offa + 13, y3i + y7r);
a.setDouble(offa + 14, y3r + y7i);
a.setDouble(offa + 15, y3i - y7r);
a.setDouble(offa, y0r + y4r);
a.setDouble(offa + 1, y0i + y4i);
a.setDouble(offa + 2, y0r - y4r);
a.setDouble(offa + 3, y0i - y4i);
a.setDouble(offa + 4, y2r - y6i);
a.setDouble(offa + 5, y2i + y6r);
a.setDouble(offa + 6, y2r + y6i);
a.setDouble(offa + 7, y2i - y6r);
}
public static void cftf082(double[] a, int offa, double[] w, int startw)
{
double wn4r, wk1r, wk1i, x0r, x0i, x1r, x1i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i, y4r, y4i, y5r, y5i, y6r, y6i, y7r, y7i;
wn4r = w[startw + 1];
wk1r = w[startw + 2];
wk1i = w[startw + 3];
y0r = a[offa] - a[offa + 9];
y0i = a[offa + 1] + a[offa + 8];
y1r = a[offa] + a[offa + 9];
y1i = a[offa + 1] - a[offa + 8];
x0r = a[offa + 4] - a[offa + 13];
x0i = a[offa + 5] + a[offa + 12];
y2r = wn4r * (x0r - x0i);
y2i = wn4r * (x0i + x0r);
x0r = a[offa + 4] + a[offa + 13];
x0i = a[offa + 5] - a[offa + 12];
y3r = wn4r * (x0r - x0i);
y3i = wn4r * (x0i + x0r);
x0r = a[offa + 2] - a[offa + 11];
x0i = a[offa + 3] + a[offa + 10];
y4r = wk1r * x0r - wk1i * x0i;
y4i = wk1r * x0i + wk1i * x0r;
x0r = a[offa + 2] + a[offa + 11];
x0i = a[offa + 3] - a[offa + 10];
y5r = wk1i * x0r - wk1r * x0i;
y5i = wk1i * x0i + wk1r * x0r;
x0r = a[offa + 6] - a[offa + 15];
x0i = a[offa + 7] + a[offa + 14];
y6r = wk1i * x0r - wk1r * x0i;
y6i = wk1i * x0i + wk1r * x0r;
x0r = a[offa + 6] + a[offa + 15];
x0i = a[offa + 7] - a[offa + 14];
y7r = wk1r * x0r - wk1i * x0i;
y7i = wk1r * x0i + wk1i * x0r;
x0r = y0r + y2r;
x0i = y0i + y2i;
x1r = y4r + y6r;
x1i = y4i + y6i;
a[offa] = x0r + x1r;
a[offa + 1] = x0i + x1i;
a[offa + 2] = x0r - x1r;
a[offa + 3] = x0i - x1i;
x0r = y0r - y2r;
x0i = y0i - y2i;
x1r = y4r - y6r;
x1i = y4i - y6i;
a[offa + 4] = x0r - x1i;
a[offa + 5] = x0i + x1r;
a[offa + 6] = x0r + x1i;
a[offa + 7] = x0i - x1r;
x0r = y1r - y3i;
x0i = y1i + y3r;
x1r = y5r - y7r;
x1i = y5i - y7i;
a[offa + 8] = x0r + x1r;
a[offa + 9] = x0i + x1i;
a[offa + 10] = x0r - x1r;
a[offa + 11] = x0i - x1i;
x0r = y1r + y3i;
x0i = y1i - y3r;
x1r = y5r + y7r;
x1i = y5i + y7i;
a[offa + 12] = x0r - x1i;
a[offa + 13] = x0i + x1r;
a[offa + 14] = x0r + x1i;
a[offa + 15] = x0i - x1r;
}
public static void cftf082(DoubleLargeArray a, long offa, DoubleLargeArray w, long startw)
{
double wn4r, wk1r, wk1i, x0r, x0i, x1r, x1i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i, y4r, y4i, y5r, y5i, y6r, y6i, y7r, y7i;
wn4r = w.getDouble(startw + 1);
wk1r = w.getDouble(startw + 2);
wk1i = w.getDouble(startw + 3);
y0r = a.getDouble(offa) - a.getDouble(offa + 9);
y0i = a.getDouble(offa + 1) + a.getDouble(offa + 8);
y1r = a.getDouble(offa) + a.getDouble(offa + 9);
y1i = a.getDouble(offa + 1) - a.getDouble(offa + 8);
x0r = a.getDouble(offa + 4) - a.getDouble(offa + 13);
x0i = a.getDouble(offa + 5) + a.getDouble(offa + 12);
y2r = wn4r * (x0r - x0i);
y2i = wn4r * (x0i + x0r);
x0r = a.getDouble(offa + 4) + a.getDouble(offa + 13);
x0i = a.getDouble(offa + 5) - a.getDouble(offa + 12);
y3r = wn4r * (x0r - x0i);
y3i = wn4r * (x0i + x0r);
x0r = a.getDouble(offa + 2) - a.getDouble(offa + 11);
x0i = a.getDouble(offa + 3) + a.getDouble(offa + 10);
y4r = wk1r * x0r - wk1i * x0i;
y4i = wk1r * x0i + wk1i * x0r;
x0r = a.getDouble(offa + 2) + a.getDouble(offa + 11);
x0i = a.getDouble(offa + 3) - a.getDouble(offa + 10);
y5r = wk1i * x0r - wk1r * x0i;
y5i = wk1i * x0i + wk1r * x0r;
x0r = a.getDouble(offa + 6) - a.getDouble(offa + 15);
x0i = a.getDouble(offa + 7) + a.getDouble(offa + 14);
y6r = wk1i * x0r - wk1r * x0i;
y6i = wk1i * x0i + wk1r * x0r;
x0r = a.getDouble(offa + 6) + a.getDouble(offa + 15);
x0i = a.getDouble(offa + 7) - a.getDouble(offa + 14);
y7r = wk1r * x0r - wk1i * x0i;
y7i = wk1r * x0i + wk1i * x0r;
x0r = y0r + y2r;
x0i = y0i + y2i;
x1r = y4r + y6r;
x1i = y4i + y6i;
a.setDouble(offa, x0r + x1r);
a.setDouble(offa + 1, x0i + x1i);
a.setDouble(offa + 2, x0r - x1r);
a.setDouble(offa + 3, x0i - x1i);
x0r = y0r - y2r;
x0i = y0i - y2i;
x1r = y4r - y6r;
x1i = y4i - y6i;
a.setDouble(offa + 4, x0r - x1i);
a.setDouble(offa + 5, x0i + x1r);
a.setDouble(offa + 6, x0r + x1i);
a.setDouble(offa + 7, x0i - x1r);
x0r = y1r - y3i;
x0i = y1i + y3r;
x1r = y5r - y7r;
x1i = y5i - y7i;
a.setDouble(offa + 8, x0r + x1r);
a.setDouble(offa + 9, x0i + x1i);
a.setDouble(offa + 10, x0r - x1r);
a.setDouble(offa + 11, x0i - x1i);
x0r = y1r + y3i;
x0i = y1i - y3r;
x1r = y5r + y7r;
x1i = y5i + y7i;
a.setDouble(offa + 12, x0r - x1i);
a.setDouble(offa + 13, x0i + x1r);
a.setDouble(offa + 14, x0r + x1i);
a.setDouble(offa + 15, x0i - x1r);
}
public static void cftf040(double[] a, int offa)
{
double x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i;
x0r = a[offa] + a[offa + 4];
x0i = a[offa + 1] + a[offa + 5];
x1r = a[offa] - a[offa + 4];
x1i = a[offa + 1] - a[offa + 5];
x2r = a[offa + 2] + a[offa + 6];
x2i = a[offa + 3] + a[offa + 7];
x3r = a[offa + 2] - a[offa + 6];
x3i = a[offa + 3] - a[offa + 7];
a[offa] = x0r + x2r;
a[offa + 1] = x0i + x2i;
a[offa + 2] = x1r - x3i;
a[offa + 3] = x1i + x3r;
a[offa + 4] = x0r - x2r;
a[offa + 5] = x0i - x2i;
a[offa + 6] = x1r + x3i;
a[offa + 7] = x1i - x3r;
}
public static void cftf040(DoubleLargeArray a, long offa)
{
double x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i;
x0r = a.getDouble(offa) + a.getDouble(offa + 4);
x0i = a.getDouble(offa + 1) + a.getDouble(offa + 5);
x1r = a.getDouble(offa) - a.getDouble(offa + 4);
x1i = a.getDouble(offa + 1) - a.getDouble(offa + 5);
x2r = a.getDouble(offa + 2) + a.getDouble(offa + 6);
x2i = a.getDouble(offa + 3) + a.getDouble(offa + 7);
x3r = a.getDouble(offa + 2) - a.getDouble(offa + 6);
x3i = a.getDouble(offa + 3) - a.getDouble(offa + 7);
a.setDouble(offa, x0r + x2r);
a.setDouble(offa + 1, x0i + x2i);
a.setDouble(offa + 2, x1r - x3i);
a.setDouble(offa + 3, x1i + x3r);
a.setDouble(offa + 4, x0r - x2r);
a.setDouble(offa + 5, x0i - x2i);
a.setDouble(offa + 6, x1r + x3i);
a.setDouble(offa + 7, x1i - x3r);
}
public static void cftb040(double[] a, int offa)
{
double x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i;
x0r = a[offa] + a[offa + 4];
x0i = a[offa + 1] + a[offa + 5];
x1r = a[offa] - a[offa + 4];
x1i = a[offa + 1] - a[offa + 5];
x2r = a[offa + 2] + a[offa + 6];
x2i = a[offa + 3] + a[offa + 7];
x3r = a[offa + 2] - a[offa + 6];
x3i = a[offa + 3] - a[offa + 7];
a[offa] = x0r + x2r;
a[offa + 1] = x0i + x2i;
a[offa + 2] = x1r + x3i;
a[offa + 3] = x1i - x3r;
a[offa + 4] = x0r - x2r;
a[offa + 5] = x0i - x2i;
a[offa + 6] = x1r - x3i;
a[offa + 7] = x1i + x3r;
}
public static void cftb040(DoubleLargeArray a, long offa)
{
double x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i;
x0r = a.getDouble(offa) + a.getDouble(offa + 4);
x0i = a.getDouble(offa + 1) + a.getDouble(offa + 5);
x1r = a.getDouble(offa) - a.getDouble(offa + 4);
x1i = a.getDouble(offa + 1) - a.getDouble(offa + 5);
x2r = a.getDouble(offa + 2) + a.getDouble(offa + 6);
x2i = a.getDouble(offa + 3) + a.getDouble(offa + 7);
x3r = a.getDouble(offa + 2) - a.getDouble(offa + 6);
x3i = a.getDouble(offa + 3) - a.getDouble(offa + 7);
a.setDouble(offa, x0r + x2r);
a.setDouble(offa + 1, x0i + x2i);
a.setDouble(offa + 2, x1r + x3i);
a.setDouble(offa + 3, x1i - x3r);
a.setDouble(offa + 4, x0r - x2r);
a.setDouble(offa + 5, x0i - x2i);
a.setDouble(offa + 6, x1r - x3i);
a.setDouble(offa + 7, x1i + x3r);
}
public static void cftx020(double[] a, int offa)
{
double x0r, x0i;
x0r = a[offa] - a[offa + 2];
x0i = -a[offa + 1] + a[offa + 3];
a[offa] += a[offa + 2];
a[offa + 1] += a[offa + 3];
a[offa + 2] = x0r;
a[offa + 3] = x0i;
}
public static void cftx020(DoubleLargeArray a, long offa)
{
double x0r, x0i;
x0r = a.getDouble(offa) - a.getDouble(offa + 2);
x0i = -a.getDouble(offa + 1) + a.getDouble(offa + 3);
a.setDouble(offa, a.getDouble(offa) + a.getDouble(offa + 2));
a.setDouble(offa + 1, a.getDouble(offa + 1) + a.getDouble(offa + 3));
a.setDouble(offa + 2, x0r);
a.setDouble(offa + 3, x0i);
}
public static void cftxb020(double[] a, int offa)
{
double x0r, x0i;
x0r = a[offa] - a[offa + 2];
x0i = a[offa + 1] - a[offa + 3];
a[offa] += a[offa + 2];
a[offa + 1] += a[offa + 3];
a[offa + 2] = x0r;
a[offa + 3] = x0i;
}
public static void cftxb020(DoubleLargeArray a, long offa)
{
double x0r, x0i;
x0r = a.getDouble(offa) - a.getDouble(offa + 2);
x0i = a.getDouble(offa + 1) - a.getDouble(offa + 3);
a.setDouble(offa, a.getDouble(offa) + a.getDouble(offa + 2));
a.setDouble(offa + 1, a.getDouble(offa + 1) + a.getDouble(offa + 3));
a.setDouble(offa + 2, x0r);
a.setDouble(offa + 3, x0i);
}
public static void cftxc020(double[] a, int offa)
{
double x0r, x0i;
x0r = a[offa] - a[offa + 2];
x0i = a[offa + 1] + a[offa + 3];
a[offa] += a[offa + 2];
a[offa + 1] -= a[offa + 3];
a[offa + 2] = x0r;
a[offa + 3] = x0i;
}
public static void cftxc020(DoubleLargeArray a, long offa)
{
double x0r, x0i;
x0r = a.getDouble(offa) - a.getDouble(offa + 2);
x0i = a.getDouble(offa + 1) + a.getDouble(offa + 3);
a.setDouble(offa, a.getDouble(offa) + a.getDouble(offa + 2));
a.setDouble(offa + 1, a.getDouble(offa + 1) - a.getDouble(offa + 3));
a.setDouble(offa + 2, x0r);
a.setDouble(offa + 3, x0i);
}
public static void rftfsub(int n, double[] a, int offa, int nc, double[] c, int startc)
{
int k, kk, ks, m;
double wkr, wki, xr, xi, yr, yi;
int idx1, idx2;
m = n >> 1;
ks = 2 * nc / m;
kk = 0;
for (int j = 2; j < m; j += 2) {
k = n - j;
kk += ks;
wkr = 0.5 - c[startc + nc - kk];
wki = c[startc + kk];
idx1 = offa + j;
idx2 = offa + k;
xr = a[idx1] - a[idx2];
xi = a[idx1 + 1] + a[idx2 + 1];
yr = wkr * xr - wki * xi;
yi = wkr * xi + wki * xr;
a[idx1] -= yr;
a[idx1 + 1] = yi - a[idx1 + 1];
a[idx2] += yr;
a[idx2 + 1] = yi - a[idx2 + 1];
}
a[offa + m + 1] = -a[offa + m + 1];
}
public static void rftfsub(long n, DoubleLargeArray a, long offa, long nc, DoubleLargeArray c, long startc)
{
long k, kk, ks, m;
double wkr, wki, xr, xi, yr, yi;
long idx1, idx2;
m = n >> 1l;
ks = 2 * nc / m;
kk = 0;
for (long j = 2; j < m; j += 2) {
k = n - j;
kk += ks;
wkr = 0.5 - c.getDouble(startc + nc - kk);
wki = c.getDouble(startc + kk);
idx1 = offa + j;
idx2 = offa + k;
xr = a.getDouble(idx1) - a.getDouble(idx2);
xi = a.getDouble(idx1 + 1) + a.getDouble(idx2 + 1);
yr = wkr * xr - wki * xi;
yi = wkr * xi + wki * xr;
a.setDouble(idx1, a.getDouble(idx1) - yr);
a.setDouble(idx1 + 1, yi - a.getDouble(idx1 + 1));
a.setDouble(idx2, a.getDouble(idx2) + yr);
a.setDouble(idx2 + 1, yi - a.getDouble(idx2 + 1));
}
a.setDouble(offa + m + 1, -a.getDouble(offa + m + 1));
}
public static void rftbsub(int n, double[] a, int offa, int nc, double[] c, int startc)
{
int k, kk, ks, m;
double wkr, wki, xr, xi, yr, yi;
int idx1, idx2;
m = n >> 1;
ks = 2 * nc / m;
kk = 0;
for (int j = 2; j < m; j += 2) {
k = n - j;
kk += ks;
wkr = 0.5 - c[startc + nc - kk];
wki = c[startc + kk];
idx1 = offa + j;
idx2 = offa + k;
xr = a[idx1] - a[idx2];
xi = a[idx1 + 1] + a[idx2 + 1];
yr = wkr * xr - wki * xi;
yi = wkr * xi + wki * xr;
a[idx1] -= yr;
a[idx1 + 1] -= yi;
a[idx2] += yr;
a[idx2 + 1] -= yi;
}
}
public static void rftbsub(long n, DoubleLargeArray a, long offa, long nc, DoubleLargeArray c, long startc)
{
long k, kk, ks, m;
double wkr, wki, xr, xi, yr, yi;
long idx1, idx2;
m = n >> 1l;
ks = 2 * nc / m;
kk = 0;
for (long j = 2; j < m; j += 2) {
k = n - j;
kk += ks;
wkr = 0.5 - c.getDouble(startc + nc - kk);
wki = c.getDouble(startc + kk);
idx1 = offa + j;
idx2 = offa + k;
xr = a.getDouble(idx1) - a.getDouble(idx2);
xi = a.getDouble(idx1 + 1) + a.getDouble(idx2 + 1);
yr = wkr * xr - wki * xi;
yi = wkr * xi + wki * xr;
a.setDouble(idx1, a.getDouble(idx1) - yr);
a.setDouble(idx1 + 1, a.getDouble(idx1 + 1) - yi);
a.setDouble(idx2, a.getDouble(idx2) + yr);
a.setDouble(idx2 + 1, a.getDouble(idx2 + 1) - yi);
}
}
public static void dctsub(int n, double[] a, int offa, int nc, double[] c, int startc)
{
int k, kk, ks, m;
double wkr, wki, xr;
int idx0, idx1, idx2;
m = n >> 1;
ks = nc / n;
kk = 0;
for (int j = 1; j < m; j++) {
k = n - j;
kk += ks;
idx0 = startc + kk;
idx1 = offa + j;
idx2 = offa + k;
wkr = c[idx0] - c[startc + nc - kk];
wki = c[idx0] + c[startc + nc - kk];
xr = wki * a[idx1] - wkr * a[idx2];
a[idx1] = wkr * a[idx1] + wki * a[idx2];
a[idx2] = xr;
}
a[offa + m] *= c[startc];
}
public static void dctsub(long n, DoubleLargeArray a, long offa, long nc, DoubleLargeArray c, long startc)
{
long k, kk, ks, m;
double wkr, wki, xr;
long idx0, idx1, idx2;
m = n >> 1l;
ks = nc / n;
kk = 0;
for (long j = 1; j < m; j++) {
k = n - j;
kk += ks;
idx0 = startc + kk;
idx1 = offa + j;
idx2 = offa + k;
wkr = c.getDouble(idx0) - c.getDouble(startc + nc - kk);
wki = c.getDouble(idx0) + c.getDouble(startc + nc - kk);
xr = wki * a.getDouble(idx1) - wkr * a.getDouble(idx2);
a.setDouble(idx1, wkr * a.getDouble(idx1) + wki * a.getDouble(idx2));
a.setDouble(idx2, xr);
}
a.setDouble(offa + m, a.getDouble(offa + m) * c.getDouble(startc));
}
public static void cftfsub(int n, float[] a, int offa, int[] ip, int nw, float[] w)
{
if (n > 8) {
if (n > 32) {
cftf1st(n, a, offa, w, nw - (n >> 2));
if ((ConcurrencyUtils.getNumberOfThreads() > 1) && (n >= ConcurrencyUtils.getThreadsBeginN_1D_FFT_2Threads())) {
cftrec4_th(n, a, offa, nw, w);
} else if (n > 512) {
cftrec4(n, a, offa, nw, w);
} else if (n > 128) {
cftleaf(n, 1, a, offa, nw, w);
} else {
cftfx41(n, a, offa, nw, w);
}
bitrv2(n, ip, a, offa);
} else if (n == 32) {
cftf161(a, offa, w, nw - 8);
bitrv216(a, offa);
} else {
cftf081(a, offa, w, 0);
bitrv208(a, offa);
}
} else if (n == 8) {
cftf040(a, offa);
} else if (n == 4) {
cftxb020(a, offa);
}
}
public static void cftfsub(long n, FloatLargeArray a, long offa, LongLargeArray ip, long nw, FloatLargeArray w)
{
if (n > 8) {
if (n > 32) {
cftf1st(n, a, offa, w, nw - (n >> 2l));
if ((ConcurrencyUtils.getNumberOfThreads() > 1) && (n >= ConcurrencyUtils.getThreadsBeginN_1D_FFT_2Threads())) {
cftrec4_th(n, a, offa, nw, w);
} else if (n > 512) {
cftrec4(n, a, offa, nw, w);
} else if (n > 128) {
cftleaf(n, 1, a, offa, nw, w);
} else {
cftfx41(n, a, offa, nw, w);
}
bitrv2l(n, ip, a, offa);
} else if (n == 32) {
cftf161(a, offa, w, nw - 8);
bitrv216(a, offa);
} else {
cftf081(a, offa, w, 0);
bitrv208(a, offa);
}
} else if (n == 8) {
cftf040(a, offa);
} else if (n == 4) {
cftxb020(a, offa);
}
}
public static void cftbsub(int n, float[] a, int offa, int[] ip, int nw, float[] w)
{
if (n > 8) {
if (n > 32) {
cftb1st(n, a, offa, w, nw - (n >> 2));
if ((ConcurrencyUtils.getNumberOfThreads() > 1) && (n >= ConcurrencyUtils.getThreadsBeginN_1D_FFT_2Threads())) {
cftrec4_th(n, a, offa, nw, w);
} else if (n > 512) {
cftrec4(n, a, offa, nw, w);
} else if (n > 128) {
cftleaf(n, 1, a, offa, nw, w);
} else {
cftfx41(n, a, offa, nw, w);
}
bitrv2conj(n, ip, a, offa);
} else if (n == 32) {
cftf161(a, offa, w, nw - 8);
bitrv216neg(a, offa);
} else {
cftf081(a, offa, w, 0);
bitrv208neg(a, offa);
}
} else if (n == 8) {
cftb040(a, offa);
} else if (n == 4) {
cftxb020(a, offa);
}
}
public static void cftbsub(long n, FloatLargeArray a, long offa, LongLargeArray ip, long nw, FloatLargeArray w)
{
if (n > 8) {
if (n > 32) {
cftb1st(n, a, offa, w, nw - (n >> 2l));
if ((ConcurrencyUtils.getNumberOfThreads() > 1) && (n >= ConcurrencyUtils.getThreadsBeginN_1D_FFT_2Threads())) {
cftrec4_th(n, a, offa, nw, w);
} else if (n > 512) {
cftrec4(n, a, offa, nw, w);
} else if (n > 128) {
cftleaf(n, 1, a, offa, nw, w);
} else {
cftfx41(n, a, offa, nw, w);
}
bitrv2conj(n, ip, a, offa);
} else if (n == 32) {
cftf161(a, offa, w, nw - 8);
bitrv216neg(a, offa);
} else {
cftf081(a, offa, w, 0);
bitrv208neg(a, offa);
}
} else if (n == 8) {
cftb040(a, offa);
} else if (n == 4) {
cftxb020(a, offa);
}
}
public static void bitrv2(int n, int[] ip, float[] a, int offa)
{
int j1, k1, l, m, nh, nm;
float xr, xi, yr, yi;
int idx0, idx1, idx2;
m = 1;
for (l = n >> 2; l > 8; l >>= 2) {
m <<= 1;
}
nh = n >> 1;
nm = 4 * m;
if (l == 8) {
for (int k = 0; k < m; k++) {
idx0 = 4 * k;
for (int j = 0; j < k; j++) {
j1 = 4 * j + 2 * ip[m + k];
k1 = idx0 + 2 * ip[m + j];
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nh;
k1 += 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nh;
k1 -= 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
}
k1 = idx0 + 2 * ip[m + k];
j1 = k1 + 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= 2;
k1 -= nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nh + 2;
k1 += nh + 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nh - nm;
k1 += 2 * nm - 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
}
} else {
for (int k = 0; k < m; k++) {
idx0 = 4 * k;
for (int j = 0; j < k; j++) {
j1 = 4 * j + ip[m + k];
k1 = idx0 + ip[m + j];
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nh;
k1 += 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nh;
k1 -= 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
}
k1 = idx0 + ip[m + k];
j1 = k1 + 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = a[idx1 + 1];
yr = a[idx2];
yi = a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
}
}
}
public static void bitrv2l(long n, LongLargeArray ip, FloatLargeArray a, long offa)
{
long j1, k1, l, m, nh, nm;
float xr, xi, yr, yi;
long idx0, idx1, idx2;
m = 1;
for (l = n >> 2l; l > 8; l >>= 2l) {
m <<= 1l;
}
nh = n >> 1l;
nm = 4 * m;
if (l == 8) {
for (long k = 0; k < m; k++) {
idx0 = 4 * k;
for (long j = 0; j < k; j++) {
j1 = 4 * j + 2 * ip.getLong(m + k);
k1 = idx0 + 2 * ip.getLong(m + j);
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nh;
k1 += 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nh;
k1 -= 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
}
k1 = idx0 + 2 * ip.getLong(m + k);
j1 = k1 + 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= 2;
k1 -= nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nh + 2;
k1 += nh + 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nh - nm;
k1 += 2 * nm - 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
}
} else {
for (long k = 0; k < m; k++) {
idx0 = 4 * k;
for (long j = 0; j < k; j++) {
j1 = 4 * j + ip.getLong(m + k);
k1 = idx0 + ip.getLong(m + j);
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nh;
k1 += 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nh;
k1 -= 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
}
k1 = idx0 + ip.getLong(m + k);
j1 = k1 + 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
}
}
}
public static void bitrv2conj(int n, int[] ip, float[] a, int offa)
{
int j1, k1, l, m, nh, nm;
float xr, xi, yr, yi;
int idx0, idx1, idx2;
m = 1;
for (l = n >> 2; l > 8; l >>= 2) {
m <<= 1;
}
nh = n >> 1;
nm = 4 * m;
if (l == 8) {
for (int k = 0; k < m; k++) {
idx0 = 4 * k;
for (int j = 0; j < k; j++) {
j1 = 4 * j + 2 * ip[m + k];
k1 = idx0 + 2 * ip[m + j];
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nh;
k1 += 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nh;
k1 -= 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
}
k1 = idx0 + 2 * ip[m + k];
j1 = k1 + 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
a[idx1 - 1] = -a[idx1 - 1];
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
a[idx2 + 3] = -a[idx2 + 3];
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= 2;
k1 -= nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nh + 2;
k1 += nh + 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nh - nm;
k1 += 2 * nm - 2;
idx1 = offa + j1;
idx2 = offa + k1;
a[idx1 - 1] = -a[idx1 - 1];
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
a[idx2 + 3] = -a[idx2 + 3];
}
} else {
for (int k = 0; k < m; k++) {
idx0 = 4 * k;
for (int j = 0; j < k; j++) {
j1 = 4 * j + ip[m + k];
k1 = idx0 + ip[m + j];
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nh;
k1 += 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nh;
k1 -= 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
j1 -= nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
}
k1 = idx0 + ip[m + k];
j1 = k1 + 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
a[idx1 - 1] = -a[idx1 - 1];
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
a[idx2 + 3] = -a[idx2 + 3];
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
a[idx1 - 1] = -a[idx1 - 1];
xr = a[idx1];
xi = -a[idx1 + 1];
yr = a[idx2];
yi = -a[idx2 + 1];
a[idx1] = yr;
a[idx1 + 1] = yi;
a[idx2] = xr;
a[idx2 + 1] = xi;
a[idx2 + 3] = -a[idx2 + 3];
}
}
}
public static void bitrv2conj(long n, LongLargeArray ip, FloatLargeArray a, long offa)
{
long j1, k1, l, m, nh, nm;
float xr, xi, yr, yi;
long idx0, idx1, idx2;
m = 1;
for (l = n >> 2l; l > 8; l >>= 2l) {
m <<= 1;
}
nh = n >> 1l;
nm = 4 * m;
if (l == 8) {
for (long k = 0; k < m; k++) {
idx0 = 4 * k;
for (long j = 0; j < k; j++) {
j1 = 4 * j + 2 * ip.getLong(m + k);
k1 = idx0 + 2 * ip.getLong(m + j);
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nh;
k1 += 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nh;
k1 -= 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nm;
k1 -= 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
}
k1 = idx0 + 2 * ip.getLong(m + k);
j1 = k1 + 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
a.setFloat(idx1 - 1, -a.getFloat(idx1 - 1));
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
a.setFloat(idx2 + 3, -a.getFloat(idx2 + 3));
j1 += nm;
k1 += 2 * nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= 2;
k1 -= nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nh + 2;
k1 += nh + 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nh - nm;
k1 += 2 * nm - 2;
idx1 = offa + j1;
idx2 = offa + k1;
a.setFloat(idx1 - 1, -a.getFloat(idx1 - 1));
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
a.setFloat(idx2 + 3, -a.getFloat(idx2 + 3));
}
} else {
for (int k = 0; k < m; k++) {
idx0 = 4 * k;
for (int j = 0; j < k; j++) {
j1 = 4 * j + ip.getLong(m + k);
k1 = idx0 + ip.getLong(m + j);
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nh;
k1 += 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nh;
k1 -= 2;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
j1 -= nm;
k1 -= nm;
idx1 = offa + j1;
idx2 = offa + k1;
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
}
k1 = idx0 + ip.getLong(m + k);
j1 = k1 + 2;
k1 += nh;
idx1 = offa + j1;
idx2 = offa + k1;
a.setFloat(idx1 - 1, -a.getFloat(idx1 - 1));
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
a.setFloat(idx2 + 3, -a.getFloat(idx2 + 3));
j1 += nm;
k1 += nm;
idx1 = offa + j1;
idx2 = offa + k1;
a.setFloat(idx1 - 1, -a.getFloat(idx1 - 1));
xr = a.getFloat(idx1);
xi = -a.getFloat(idx1 + 1);
yr = a.getFloat(idx2);
yi = -a.getFloat(idx2 + 1);
a.setFloat(idx1, yr);
a.setFloat(idx1 + 1, yi);
a.setFloat(idx2, xr);
a.setFloat(idx2 + 1, xi);
a.setFloat(idx2 + 3, -a.getFloat(idx2 + 3));
}
}
}
public static void bitrv216(float[] a, int offa)
{
float x1r, x1i, x2r, x2i, x3r, x3i, x4r, x4i, x5r, x5i, x7r, x7i, x8r, x8i, x10r, x10i, x11r, x11i, x12r, x12i, x13r, x13i, x14r, x14i;
x1r = a[offa + 2];
x1i = a[offa + 3];
x2r = a[offa + 4];
x2i = a[offa + 5];
x3r = a[offa + 6];
x3i = a[offa + 7];
x4r = a[offa + 8];
x4i = a[offa + 9];
x5r = a[offa + 10];
x5i = a[offa + 11];
x7r = a[offa + 14];
x7i = a[offa + 15];
x8r = a[offa + 16];
x8i = a[offa + 17];
x10r = a[offa + 20];
x10i = a[offa + 21];
x11r = a[offa + 22];
x11i = a[offa + 23];
x12r = a[offa + 24];
x12i = a[offa + 25];
x13r = a[offa + 26];
x13i = a[offa + 27];
x14r = a[offa + 28];
x14i = a[offa + 29];
a[offa + 2] = x8r;
a[offa + 3] = x8i;
a[offa + 4] = x4r;
a[offa + 5] = x4i;
a[offa + 6] = x12r;
a[offa + 7] = x12i;
a[offa + 8] = x2r;
a[offa + 9] = x2i;
a[offa + 10] = x10r;
a[offa + 11] = x10i;
a[offa + 14] = x14r;
a[offa + 15] = x14i;
a[offa + 16] = x1r;
a[offa + 17] = x1i;
a[offa + 20] = x5r;
a[offa + 21] = x5i;
a[offa + 22] = x13r;
a[offa + 23] = x13i;
a[offa + 24] = x3r;
a[offa + 25] = x3i;
a[offa + 26] = x11r;
a[offa + 27] = x11i;
a[offa + 28] = x7r;
a[offa + 29] = x7i;
}
public static void bitrv216(FloatLargeArray a, long offa)
{
float x1r, x1i, x2r, x2i, x3r, x3i, x4r, x4i, x5r, x5i, x7r, x7i, x8r, x8i, x10r, x10i, x11r, x11i, x12r, x12i, x13r, x13i, x14r, x14i;
x1r = a.getFloat(offa + 2);
x1i = a.getFloat(offa + 3);
x2r = a.getFloat(offa + 4);
x2i = a.getFloat(offa + 5);
x3r = a.getFloat(offa + 6);
x3i = a.getFloat(offa + 7);
x4r = a.getFloat(offa + 8);
x4i = a.getFloat(offa + 9);
x5r = a.getFloat(offa + 10);
x5i = a.getFloat(offa + 11);
x7r = a.getFloat(offa + 14);
x7i = a.getFloat(offa + 15);
x8r = a.getFloat(offa + 16);
x8i = a.getFloat(offa + 17);
x10r = a.getFloat(offa + 20);
x10i = a.getFloat(offa + 21);
x11r = a.getFloat(offa + 22);
x11i = a.getFloat(offa + 23);
x12r = a.getFloat(offa + 24);
x12i = a.getFloat(offa + 25);
x13r = a.getFloat(offa + 26);
x13i = a.getFloat(offa + 27);
x14r = a.getFloat(offa + 28);
x14i = a.getFloat(offa + 29);
a.setFloat(offa + 2, x8r);
a.setFloat(offa + 3, x8i);
a.setFloat(offa + 4, x4r);
a.setFloat(offa + 5, x4i);
a.setFloat(offa + 6, x12r);
a.setFloat(offa + 7, x12i);
a.setFloat(offa + 8, x2r);
a.setFloat(offa + 9, x2i);
a.setFloat(offa + 10, x10r);
a.setFloat(offa + 11, x10i);
a.setFloat(offa + 14, x14r);
a.setFloat(offa + 15, x14i);
a.setFloat(offa + 16, x1r);
a.setFloat(offa + 17, x1i);
a.setFloat(offa + 20, x5r);
a.setFloat(offa + 21, x5i);
a.setFloat(offa + 22, x13r);
a.setFloat(offa + 23, x13i);
a.setFloat(offa + 24, x3r);
a.setFloat(offa + 25, x3i);
a.setFloat(offa + 26, x11r);
a.setFloat(offa + 27, x11i);
a.setFloat(offa + 28, x7r);
a.setFloat(offa + 29, x7i);
}
public static void bitrv216neg(float[] a, int offa)
{
float x1r, x1i, x2r, x2i, x3r, x3i, x4r, x4i, x5r, x5i, x6r, x6i, x7r, x7i, x8r, x8i, x9r, x9i, x10r, x10i, x11r, x11i, x12r, x12i, x13r, x13i, x14r, x14i, x15r, x15i;
x1r = a[offa + 2];
x1i = a[offa + 3];
x2r = a[offa + 4];
x2i = a[offa + 5];
x3r = a[offa + 6];
x3i = a[offa + 7];
x4r = a[offa + 8];
x4i = a[offa + 9];
x5r = a[offa + 10];
x5i = a[offa + 11];
x6r = a[offa + 12];
x6i = a[offa + 13];
x7r = a[offa + 14];
x7i = a[offa + 15];
x8r = a[offa + 16];
x8i = a[offa + 17];
x9r = a[offa + 18];
x9i = a[offa + 19];
x10r = a[offa + 20];
x10i = a[offa + 21];
x11r = a[offa + 22];
x11i = a[offa + 23];
x12r = a[offa + 24];
x12i = a[offa + 25];
x13r = a[offa + 26];
x13i = a[offa + 27];
x14r = a[offa + 28];
x14i = a[offa + 29];
x15r = a[offa + 30];
x15i = a[offa + 31];
a[offa + 2] = x15r;
a[offa + 3] = x15i;
a[offa + 4] = x7r;
a[offa + 5] = x7i;
a[offa + 6] = x11r;
a[offa + 7] = x11i;
a[offa + 8] = x3r;
a[offa + 9] = x3i;
a[offa + 10] = x13r;
a[offa + 11] = x13i;
a[offa + 12] = x5r;
a[offa + 13] = x5i;
a[offa + 14] = x9r;
a[offa + 15] = x9i;
a[offa + 16] = x1r;
a[offa + 17] = x1i;
a[offa + 18] = x14r;
a[offa + 19] = x14i;
a[offa + 20] = x6r;
a[offa + 21] = x6i;
a[offa + 22] = x10r;
a[offa + 23] = x10i;
a[offa + 24] = x2r;
a[offa + 25] = x2i;
a[offa + 26] = x12r;
a[offa + 27] = x12i;
a[offa + 28] = x4r;
a[offa + 29] = x4i;
a[offa + 30] = x8r;
a[offa + 31] = x8i;
}
public static void bitrv216neg(FloatLargeArray a, long offa)
{
float x1r, x1i, x2r, x2i, x3r, x3i, x4r, x4i, x5r, x5i, x6r, x6i, x7r, x7i, x8r, x8i, x9r, x9i, x10r, x10i, x11r, x11i, x12r, x12i, x13r, x13i, x14r, x14i, x15r, x15i;
x1r = a.getFloat(offa + 2);
x1i = a.getFloat(offa + 3);
x2r = a.getFloat(offa + 4);
x2i = a.getFloat(offa + 5);
x3r = a.getFloat(offa + 6);
x3i = a.getFloat(offa + 7);
x4r = a.getFloat(offa + 8);
x4i = a.getFloat(offa + 9);
x5r = a.getFloat(offa + 10);
x5i = a.getFloat(offa + 11);
x6r = a.getFloat(offa + 12);
x6i = a.getFloat(offa + 13);
x7r = a.getFloat(offa + 14);
x7i = a.getFloat(offa + 15);
x8r = a.getFloat(offa + 16);
x8i = a.getFloat(offa + 17);
x9r = a.getFloat(offa + 18);
x9i = a.getFloat(offa + 19);
x10r = a.getFloat(offa + 20);
x10i = a.getFloat(offa + 21);
x11r = a.getFloat(offa + 22);
x11i = a.getFloat(offa + 23);
x12r = a.getFloat(offa + 24);
x12i = a.getFloat(offa + 25);
x13r = a.getFloat(offa + 26);
x13i = a.getFloat(offa + 27);
x14r = a.getFloat(offa + 28);
x14i = a.getFloat(offa + 29);
x15r = a.getFloat(offa + 30);
x15i = a.getFloat(offa + 31);
a.setFloat(offa + 2, x15r);
a.setFloat(offa + 3, x15i);
a.setFloat(offa + 4, x7r);
a.setFloat(offa + 5, x7i);
a.setFloat(offa + 6, x11r);
a.setFloat(offa + 7, x11i);
a.setFloat(offa + 8, x3r);
a.setFloat(offa + 9, x3i);
a.setFloat(offa + 10, x13r);
a.setFloat(offa + 11, x13i);
a.setFloat(offa + 12, x5r);
a.setFloat(offa + 13, x5i);
a.setFloat(offa + 14, x9r);
a.setFloat(offa + 15, x9i);
a.setFloat(offa + 16, x1r);
a.setFloat(offa + 17, x1i);
a.setFloat(offa + 18, x14r);
a.setFloat(offa + 19, x14i);
a.setFloat(offa + 20, x6r);
a.setFloat(offa + 21, x6i);
a.setFloat(offa + 22, x10r);
a.setFloat(offa + 23, x10i);
a.setFloat(offa + 24, x2r);
a.setFloat(offa + 25, x2i);
a.setFloat(offa + 26, x12r);
a.setFloat(offa + 27, x12i);
a.setFloat(offa + 28, x4r);
a.setFloat(offa + 29, x4i);
a.setFloat(offa + 30, x8r);
a.setFloat(offa + 31, x8i);
}
public static void bitrv208(float[] a, int offa)
{
float x1r, x1i, x3r, x3i, x4r, x4i, x6r, x6i;
x1r = a[offa + 2];
x1i = a[offa + 3];
x3r = a[offa + 6];
x3i = a[offa + 7];
x4r = a[offa + 8];
x4i = a[offa + 9];
x6r = a[offa + 12];
x6i = a[offa + 13];
a[offa + 2] = x4r;
a[offa + 3] = x4i;
a[offa + 6] = x6r;
a[offa + 7] = x6i;
a[offa + 8] = x1r;
a[offa + 9] = x1i;
a[offa + 12] = x3r;
a[offa + 13] = x3i;
}
public static void bitrv208(FloatLargeArray a, long offa)
{
float x1r, x1i, x3r, x3i, x4r, x4i, x6r, x6i;
x1r = a.getFloat(offa + 2);
x1i = a.getFloat(offa + 3);
x3r = a.getFloat(offa + 6);
x3i = a.getFloat(offa + 7);
x4r = a.getFloat(offa + 8);
x4i = a.getFloat(offa + 9);
x6r = a.getFloat(offa + 12);
x6i = a.getFloat(offa + 13);
a.setFloat(offa + 2, x4r);
a.setFloat(offa + 3, x4i);
a.setFloat(offa + 6, x6r);
a.setFloat(offa + 7, x6i);
a.setFloat(offa + 8, x1r);
a.setFloat(offa + 9, x1i);
a.setFloat(offa + 12, x3r);
a.setFloat(offa + 13, x3i);
}
public static void bitrv208neg(float[] a, int offa)
{
float x1r, x1i, x2r, x2i, x3r, x3i, x4r, x4i, x5r, x5i, x6r, x6i, x7r, x7i;
x1r = a[offa + 2];
x1i = a[offa + 3];
x2r = a[offa + 4];
x2i = a[offa + 5];
x3r = a[offa + 6];
x3i = a[offa + 7];
x4r = a[offa + 8];
x4i = a[offa + 9];
x5r = a[offa + 10];
x5i = a[offa + 11];
x6r = a[offa + 12];
x6i = a[offa + 13];
x7r = a[offa + 14];
x7i = a[offa + 15];
a[offa + 2] = x7r;
a[offa + 3] = x7i;
a[offa + 4] = x3r;
a[offa + 5] = x3i;
a[offa + 6] = x5r;
a[offa + 7] = x5i;
a[offa + 8] = x1r;
a[offa + 9] = x1i;
a[offa + 10] = x6r;
a[offa + 11] = x6i;
a[offa + 12] = x2r;
a[offa + 13] = x2i;
a[offa + 14] = x4r;
a[offa + 15] = x4i;
}
public static void bitrv208neg(FloatLargeArray a, long offa)
{
float x1r, x1i, x2r, x2i, x3r, x3i, x4r, x4i, x5r, x5i, x6r, x6i, x7r, x7i;
x1r = a.getFloat(offa + 2);
x1i = a.getFloat(offa + 3);
x2r = a.getFloat(offa + 4);
x2i = a.getFloat(offa + 5);
x3r = a.getFloat(offa + 6);
x3i = a.getFloat(offa + 7);
x4r = a.getFloat(offa + 8);
x4i = a.getFloat(offa + 9);
x5r = a.getFloat(offa + 10);
x5i = a.getFloat(offa + 11);
x6r = a.getFloat(offa + 12);
x6i = a.getFloat(offa + 13);
x7r = a.getFloat(offa + 14);
x7i = a.getFloat(offa + 15);
a.setFloat(offa + 2, x7r);
a.setFloat(offa + 3, x7i);
a.setFloat(offa + 4, x3r);
a.setFloat(offa + 5, x3i);
a.setFloat(offa + 6, x5r);
a.setFloat(offa + 7, x5i);
a.setFloat(offa + 8, x1r);
a.setFloat(offa + 9, x1i);
a.setFloat(offa + 10, x6r);
a.setFloat(offa + 11, x6i);
a.setFloat(offa + 12, x2r);
a.setFloat(offa + 13, x2i);
a.setFloat(offa + 14, x4r);
a.setFloat(offa + 15, x4i);
}
public static void cftf1st(int n, float[] a, int offa, float[] w, int startw)
{
int j0, j1, j2, j3, k, m, mh;
float wn4r, csc1, csc3, wk1r, wk1i, wk3r, wk3i, wd1r, wd1i, wd3r, wd3i;
float x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i;
int idx0, idx1, idx2, idx3, idx4, idx5;
mh = n >> 3;
m = 2 * mh;
j1 = m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[offa] + a[idx2];
x0i = a[offa + 1] + a[idx2 + 1];
x1r = a[offa] - a[idx2];
x1i = a[offa + 1] - a[idx2 + 1];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
a[offa] = x0r + x2r;
a[offa + 1] = x0i + x2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i - x2i;
a[idx2] = x1r - x3i;
a[idx2 + 1] = x1i + x3r;
a[idx3] = x1r + x3i;
a[idx3 + 1] = x1i - x3r;
wn4r = w[startw + 1];
csc1 = w[startw + 2];
csc3 = w[startw + 3];
wd1r = 1;
wd1i = 0;
wd3r = 1;
wd3i = 0;
k = 0;
for (int j = 2; j < mh - 2; j += 4) {
k += 4;
idx4 = startw + k;
wk1r = csc1 * (wd1r + w[idx4]);
wk1i = csc1 * (wd1i + w[idx4 + 1]);
wk3r = csc3 * (wd3r + w[idx4 + 2]);
wk3i = csc3 * (wd3i + w[idx4 + 3]);
wd1r = w[idx4];
wd1i = w[idx4 + 1];
wd3r = w[idx4 + 2];
wd3i = w[idx4 + 3];
j1 = j + m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
idx5 = offa + j;
x0r = a[idx5] + a[idx2];
x0i = a[idx5 + 1] + a[idx2 + 1];
x1r = a[idx5] - a[idx2];
x1i = a[idx5 + 1] - a[idx2 + 1];
y0r = a[idx5 + 2] + a[idx2 + 2];
y0i = a[idx5 + 3] + a[idx2 + 3];
y1r = a[idx5 + 2] - a[idx2 + 2];
y1i = a[idx5 + 3] - a[idx2 + 3];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
y2r = a[idx1 + 2] + a[idx3 + 2];
y2i = a[idx1 + 3] + a[idx3 + 3];
y3r = a[idx1 + 2] - a[idx3 + 2];
y3i = a[idx1 + 3] - a[idx3 + 3];
a[idx5] = x0r + x2r;
a[idx5 + 1] = x0i + x2i;
a[idx5 + 2] = y0r + y2r;
a[idx5 + 3] = y0i + y2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i - x2i;
a[idx1 + 2] = y0r - y2r;
a[idx1 + 3] = y0i - y2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
a[idx2] = wk1r * x0r - wk1i * x0i;
a[idx2 + 1] = wk1r * x0i + wk1i * x0r;
x0r = y1r - y3i;
x0i = y1i + y3r;
a[idx2 + 2] = wd1r * x0r - wd1i * x0i;
a[idx2 + 3] = wd1r * x0i + wd1i * x0r;
x0r = x1r + x3i;
x0i = x1i - x3r;
a[idx3] = wk3r * x0r + wk3i * x0i;
a[idx3 + 1] = wk3r * x0i - wk3i * x0r;
x0r = y1r + y3i;
x0i = y1i - y3r;
a[idx3 + 2] = wd3r * x0r + wd3i * x0i;
a[idx3 + 3] = wd3r * x0i - wd3i * x0r;
j0 = m - j;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[idx0] + a[idx2];
x0i = a[idx0 + 1] + a[idx2 + 1];
x1r = a[idx0] - a[idx2];
x1i = a[idx0 + 1] - a[idx2 + 1];
y0r = a[idx0 - 2] + a[idx2 - 2];
y0i = a[idx0 - 1] + a[idx2 - 1];
y1r = a[idx0 - 2] - a[idx2 - 2];
y1i = a[idx0 - 1] - a[idx2 - 1];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
y2r = a[idx1 - 2] + a[idx3 - 2];
y2i = a[idx1 - 1] + a[idx3 - 1];
y3r = a[idx1 - 2] - a[idx3 - 2];
y3i = a[idx1 - 1] - a[idx3 - 1];
a[idx0] = x0r + x2r;
a[idx0 + 1] = x0i + x2i;
a[idx0 - 2] = y0r + y2r;
a[idx0 - 1] = y0i + y2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i - x2i;
a[idx1 - 2] = y0r - y2r;
a[idx1 - 1] = y0i - y2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
a[idx2] = wk1i * x0r - wk1r * x0i;
a[idx2 + 1] = wk1i * x0i + wk1r * x0r;
x0r = y1r - y3i;
x0i = y1i + y3r;
a[idx2 - 2] = wd1i * x0r - wd1r * x0i;
a[idx2 - 1] = wd1i * x0i + wd1r * x0r;
x0r = x1r + x3i;
x0i = x1i - x3r;
a[idx3] = wk3i * x0r + wk3r * x0i;
a[idx3 + 1] = wk3i * x0i - wk3r * x0r;
x0r = y1r + y3i;
x0i = y1i - y3r;
a[offa + j3 - 2] = wd3i * x0r + wd3r * x0i;
a[offa + j3 - 1] = wd3i * x0i - wd3r * x0r;
}
wk1r = csc1 * (wd1r + wn4r);
wk1i = csc1 * (wd1i + wn4r);
wk3r = csc3 * (wd3r - wn4r);
wk3i = csc3 * (wd3i - wn4r);
j0 = mh;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[idx0 - 2] + a[idx2 - 2];
x0i = a[idx0 - 1] + a[idx2 - 1];
x1r = a[idx0 - 2] - a[idx2 - 2];
x1i = a[idx0 - 1] - a[idx2 - 1];
x2r = a[idx1 - 2] + a[idx3 - 2];
x2i = a[idx1 - 1] + a[idx3 - 1];
x3r = a[idx1 - 2] - a[idx3 - 2];
x3i = a[idx1 - 1] - a[idx3 - 1];
a[idx0 - 2] = x0r + x2r;
a[idx0 - 1] = x0i + x2i;
a[idx1 - 2] = x0r - x2r;
a[idx1 - 1] = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
a[idx2 - 2] = wk1r * x0r - wk1i * x0i;
a[idx2 - 1] = wk1r * x0i + wk1i * x0r;
x0r = x1r + x3i;
x0i = x1i - x3r;
a[idx3 - 2] = wk3r * x0r + wk3i * x0i;
a[idx3 - 1] = wk3r * x0i - wk3i * x0r;
x0r = a[idx0] + a[idx2];
x0i = a[idx0 + 1] + a[idx2 + 1];
x1r = a[idx0] - a[idx2];
x1i = a[idx0 + 1] - a[idx2 + 1];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
a[idx0] = x0r + x2r;
a[idx0 + 1] = x0i + x2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
a[idx2] = wn4r * (x0r - x0i);
a[idx2 + 1] = wn4r * (x0i + x0r);
x0r = x1r + x3i;
x0i = x1i - x3r;
a[idx3] = -wn4r * (x0r + x0i);
a[idx3 + 1] = -wn4r * (x0i - x0r);
x0r = a[idx0 + 2] + a[idx2 + 2];
x0i = a[idx0 + 3] + a[idx2 + 3];
x1r = a[idx0 + 2] - a[idx2 + 2];
x1i = a[idx0 + 3] - a[idx2 + 3];
x2r = a[idx1 + 2] + a[idx3 + 2];
x2i = a[idx1 + 3] + a[idx3 + 3];
x3r = a[idx1 + 2] - a[idx3 + 2];
x3i = a[idx1 + 3] - a[idx3 + 3];
a[idx0 + 2] = x0r + x2r;
a[idx0 + 3] = x0i + x2i;
a[idx1 + 2] = x0r - x2r;
a[idx1 + 3] = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
a[idx2 + 2] = wk1i * x0r - wk1r * x0i;
a[idx2 + 3] = wk1i * x0i + wk1r * x0r;
x0r = x1r + x3i;
x0i = x1i - x3r;
a[idx3 + 2] = wk3i * x0r + wk3r * x0i;
a[idx3 + 3] = wk3i * x0i - wk3r * x0r;
}
public static void cftf1st(long n, FloatLargeArray a, long offa, FloatLargeArray w, long startw)
{
long j0, j1, j2, j3, k, m, mh;
float wn4r, csc1, csc3, wk1r, wk1i, wk3r, wk3i, wd1r, wd1i, wd3r, wd3i;
float x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i;
long idx0, idx1, idx2, idx3, idx4, idx5;
mh = n >> 3l;
m = 2 * mh;
j1 = m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getFloat(offa) + a.getFloat(idx2);
x0i = a.getFloat(offa + 1) + a.getFloat(idx2 + 1);
x1r = a.getFloat(offa) - a.getFloat(idx2);
x1i = a.getFloat(offa + 1) - a.getFloat(idx2 + 1);
x2r = a.getFloat(idx1) + a.getFloat(idx3);
x2i = a.getFloat(idx1 + 1) + a.getFloat(idx3 + 1);
x3r = a.getFloat(idx1) - a.getFloat(idx3);
x3i = a.getFloat(idx1 + 1) - a.getFloat(idx3 + 1);
a.setFloat(offa, x0r + x2r);
a.setFloat(offa + 1, x0i + x2i);
a.setFloat(idx1, x0r - x2r);
a.setFloat(idx1 + 1, x0i - x2i);
a.setFloat(idx2, x1r - x3i);
a.setFloat(idx2 + 1, x1i + x3r);
a.setFloat(idx3, x1r + x3i);
a.setFloat(idx3 + 1, x1i - x3r);
wn4r = w.getFloat(startw + 1);
csc1 = w.getFloat(startw + 2);
csc3 = w.getFloat(startw + 3);
wd1r = 1;
wd1i = 0;
wd3r = 1;
wd3i = 0;
k = 0;
for (int j = 2; j < mh - 2; j += 4) {
k += 4;
idx4 = startw + k;
wk1r = csc1 * (wd1r + w.getFloat(idx4));
wk1i = csc1 * (wd1i + w.getFloat(idx4 + 1));
wk3r = csc3 * (wd3r + w.getFloat(idx4 + 2));
wk3i = csc3 * (wd3i + w.getFloat(idx4 + 3));
wd1r = w.getFloat(idx4);
wd1i = w.getFloat(idx4 + 1);
wd3r = w.getFloat(idx4 + 2);
wd3i = w.getFloat(idx4 + 3);
j1 = j + m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
idx5 = offa + j;
x0r = a.getFloat(idx5) + a.getFloat(idx2);
x0i = a.getFloat(idx5 + 1) + a.getFloat(idx2 + 1);
x1r = a.getFloat(idx5) - a.getFloat(idx2);
x1i = a.getFloat(idx5 + 1) - a.getFloat(idx2 + 1);
y0r = a.getFloat(idx5 + 2) + a.getFloat(idx2 + 2);
y0i = a.getFloat(idx5 + 3) + a.getFloat(idx2 + 3);
y1r = a.getFloat(idx5 + 2) - a.getFloat(idx2 + 2);
y1i = a.getFloat(idx5 + 3) - a.getFloat(idx2 + 3);
x2r = a.getFloat(idx1) + a.getFloat(idx3);
x2i = a.getFloat(idx1 + 1) + a.getFloat(idx3 + 1);
x3r = a.getFloat(idx1) - a.getFloat(idx3);
x3i = a.getFloat(idx1 + 1) - a.getFloat(idx3 + 1);
y2r = a.getFloat(idx1 + 2) + a.getFloat(idx3 + 2);
y2i = a.getFloat(idx1 + 3) + a.getFloat(idx3 + 3);
y3r = a.getFloat(idx1 + 2) - a.getFloat(idx3 + 2);
y3i = a.getFloat(idx1 + 3) - a.getFloat(idx3 + 3);
a.setFloat(idx5, x0r + x2r);
a.setFloat(idx5 + 1, x0i + x2i);
a.setFloat(idx5 + 2, y0r + y2r);
a.setFloat(idx5 + 3, y0i + y2i);
a.setFloat(idx1, x0r - x2r);
a.setFloat(idx1 + 1, x0i - x2i);
a.setFloat(idx1 + 2, y0r - y2r);
a.setFloat(idx1 + 3, y0i - y2i);
x0r = x1r - x3i;
x0i = x1i + x3r;
a.setFloat(idx2, wk1r * x0r - wk1i * x0i);
a.setFloat(idx2 + 1, wk1r * x0i + wk1i * x0r);
x0r = y1r - y3i;
x0i = y1i + y3r;
a.setFloat(idx2 + 2, wd1r * x0r - wd1i * x0i);
a.setFloat(idx2 + 3, wd1r * x0i + wd1i * x0r);
x0r = x1r + x3i;
x0i = x1i - x3r;
a.setFloat(idx3, wk3r * x0r + wk3i * x0i);
a.setFloat(idx3 + 1, wk3r * x0i - wk3i * x0r);
x0r = y1r + y3i;
x0i = y1i - y3r;
a.setFloat(idx3 + 2, wd3r * x0r + wd3i * x0i);
a.setFloat(idx3 + 3, wd3r * x0i - wd3i * x0r);
j0 = m - j;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getFloat(idx0) + a.getFloat(idx2);
x0i = a.getFloat(idx0 + 1) + a.getFloat(idx2 + 1);
x1r = a.getFloat(idx0) - a.getFloat(idx2);
x1i = a.getFloat(idx0 + 1) - a.getFloat(idx2 + 1);
y0r = a.getFloat(idx0 - 2) + a.getFloat(idx2 - 2);
y0i = a.getFloat(idx0 - 1) + a.getFloat(idx2 - 1);
y1r = a.getFloat(idx0 - 2) - a.getFloat(idx2 - 2);
y1i = a.getFloat(idx0 - 1) - a.getFloat(idx2 - 1);
x2r = a.getFloat(idx1) + a.getFloat(idx3);
x2i = a.getFloat(idx1 + 1) + a.getFloat(idx3 + 1);
x3r = a.getFloat(idx1) - a.getFloat(idx3);
x3i = a.getFloat(idx1 + 1) - a.getFloat(idx3 + 1);
y2r = a.getFloat(idx1 - 2) + a.getFloat(idx3 - 2);
y2i = a.getFloat(idx1 - 1) + a.getFloat(idx3 - 1);
y3r = a.getFloat(idx1 - 2) - a.getFloat(idx3 - 2);
y3i = a.getFloat(idx1 - 1) - a.getFloat(idx3 - 1);
a.setFloat(idx0, x0r + x2r);
a.setFloat(idx0 + 1, x0i + x2i);
a.setFloat(idx0 - 2, y0r + y2r);
a.setFloat(idx0 - 1, y0i + y2i);
a.setFloat(idx1, x0r - x2r);
a.setFloat(idx1 + 1, x0i - x2i);
a.setFloat(idx1 - 2, y0r - y2r);
a.setFloat(idx1 - 1, y0i - y2i);
x0r = x1r - x3i;
x0i = x1i + x3r;
a.setFloat(idx2, wk1i * x0r - wk1r * x0i);
a.setFloat(idx2 + 1, wk1i * x0i + wk1r * x0r);
x0r = y1r - y3i;
x0i = y1i + y3r;
a.setFloat(idx2 - 2, wd1i * x0r - wd1r * x0i);
a.setFloat(idx2 - 1, wd1i * x0i + wd1r * x0r);
x0r = x1r + x3i;
x0i = x1i - x3r;
a.setFloat(idx3, wk3i * x0r + wk3r * x0i);
a.setFloat(idx3 + 1, wk3i * x0i - wk3r * x0r);
x0r = y1r + y3i;
x0i = y1i - y3r;
a.setFloat(offa + j3 - 2, wd3i * x0r + wd3r * x0i);
a.setFloat(offa + j3 - 1, wd3i * x0i - wd3r * x0r);
}
wk1r = csc1 * (wd1r + wn4r);
wk1i = csc1 * (wd1i + wn4r);
wk3r = csc3 * (wd3r - wn4r);
wk3i = csc3 * (wd3i - wn4r);
j0 = mh;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getFloat(idx0 - 2) + a.getFloat(idx2 - 2);
x0i = a.getFloat(idx0 - 1) + a.getFloat(idx2 - 1);
x1r = a.getFloat(idx0 - 2) - a.getFloat(idx2 - 2);
x1i = a.getFloat(idx0 - 1) - a.getFloat(idx2 - 1);
x2r = a.getFloat(idx1 - 2) + a.getFloat(idx3 - 2);
x2i = a.getFloat(idx1 - 1) + a.getFloat(idx3 - 1);
x3r = a.getFloat(idx1 - 2) - a.getFloat(idx3 - 2);
x3i = a.getFloat(idx1 - 1) - a.getFloat(idx3 - 1);
a.setFloat(idx0 - 2, x0r + x2r);
a.setFloat(idx0 - 1, x0i + x2i);
a.setFloat(idx1 - 2, x0r - x2r);
a.setFloat(idx1 - 1, x0i - x2i);
x0r = x1r - x3i;
x0i = x1i + x3r;
a.setFloat(idx2 - 2, wk1r * x0r - wk1i * x0i);
a.setFloat(idx2 - 1, wk1r * x0i + wk1i * x0r);
x0r = x1r + x3i;
x0i = x1i - x3r;
a.setFloat(idx3 - 2, wk3r * x0r + wk3i * x0i);
a.setFloat(idx3 - 1, wk3r * x0i - wk3i * x0r);
x0r = a.getFloat(idx0) + a.getFloat(idx2);
x0i = a.getFloat(idx0 + 1) + a.getFloat(idx2 + 1);
x1r = a.getFloat(idx0) - a.getFloat(idx2);
x1i = a.getFloat(idx0 + 1) - a.getFloat(idx2 + 1);
x2r = a.getFloat(idx1) + a.getFloat(idx3);
x2i = a.getFloat(idx1 + 1) + a.getFloat(idx3 + 1);
x3r = a.getFloat(idx1) - a.getFloat(idx3);
x3i = a.getFloat(idx1 + 1) - a.getFloat(idx3 + 1);
a.setFloat(idx0, x0r + x2r);
a.setFloat(idx0 + 1, x0i + x2i);
a.setFloat(idx1, x0r - x2r);
a.setFloat(idx1 + 1, x0i - x2i);
x0r = x1r - x3i;
x0i = x1i + x3r;
a.setFloat(idx2, wn4r * (x0r - x0i));
a.setFloat(idx2 + 1, wn4r * (x0i + x0r));
x0r = x1r + x3i;
x0i = x1i - x3r;
a.setFloat(idx3, -wn4r * (x0r + x0i));
a.setFloat(idx3 + 1, -wn4r * (x0i - x0r));
x0r = a.getFloat(idx0 + 2) + a.getFloat(idx2 + 2);
x0i = a.getFloat(idx0 + 3) + a.getFloat(idx2 + 3);
x1r = a.getFloat(idx0 + 2) - a.getFloat(idx2 + 2);
x1i = a.getFloat(idx0 + 3) - a.getFloat(idx2 + 3);
x2r = a.getFloat(idx1 + 2) + a.getFloat(idx3 + 2);
x2i = a.getFloat(idx1 + 3) + a.getFloat(idx3 + 3);
x3r = a.getFloat(idx1 + 2) - a.getFloat(idx3 + 2);
x3i = a.getFloat(idx1 + 3) - a.getFloat(idx3 + 3);
a.setFloat(idx0 + 2, x0r + x2r);
a.setFloat(idx0 + 3, x0i + x2i);
a.setFloat(idx1 + 2, x0r - x2r);
a.setFloat(idx1 + 3, x0i - x2i);
x0r = x1r - x3i;
x0i = x1i + x3r;
a.setFloat(idx2 + 2, wk1i * x0r - wk1r * x0i);
a.setFloat(idx2 + 3, wk1i * x0i + wk1r * x0r);
x0r = x1r + x3i;
x0i = x1i - x3r;
a.setFloat(idx3 + 2, wk3i * x0r + wk3r * x0i);
a.setFloat(idx3 + 3, wk3i * x0i - wk3r * x0r);
}
public static void cftb1st(int n, float[] a, int offa, float[] w, int startw)
{
int j0, j1, j2, j3, k, m, mh;
float wn4r, csc1, csc3, wk1r, wk1i, wk3r, wk3i, wd1r, wd1i, wd3r, wd3i;
float x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i;
int idx0, idx1, idx2, idx3, idx4, idx5;
mh = n >> 3;
m = 2 * mh;
j1 = m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[offa] + a[idx2];
x0i = -a[offa + 1] - a[idx2 + 1];
x1r = a[offa] - a[idx2];
x1i = -a[offa + 1] + a[idx2 + 1];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
a[offa] = x0r + x2r;
a[offa + 1] = x0i - x2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i + x2i;
a[idx2] = x1r + x3i;
a[idx2 + 1] = x1i + x3r;
a[idx3] = x1r - x3i;
a[idx3 + 1] = x1i - x3r;
wn4r = w[startw + 1];
csc1 = w[startw + 2];
csc3 = w[startw + 3];
wd1r = 1;
wd1i = 0;
wd3r = 1;
wd3i = 0;
k = 0;
for (int j = 2; j < mh - 2; j += 4) {
k += 4;
idx4 = startw + k;
wk1r = csc1 * (wd1r + w[idx4]);
wk1i = csc1 * (wd1i + w[idx4 + 1]);
wk3r = csc3 * (wd3r + w[idx4 + 2]);
wk3i = csc3 * (wd3i + w[idx4 + 3]);
wd1r = w[idx4];
wd1i = w[idx4 + 1];
wd3r = w[idx4 + 2];
wd3i = w[idx4 + 3];
j1 = j + m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
idx5 = offa + j;
x0r = a[idx5] + a[idx2];
x0i = -a[idx5 + 1] - a[idx2 + 1];
x1r = a[idx5] - a[offa + j2];
x1i = -a[idx5 + 1] + a[idx2 + 1];
y0r = a[idx5 + 2] + a[idx2 + 2];
y0i = -a[idx5 + 3] - a[idx2 + 3];
y1r = a[idx5 + 2] - a[idx2 + 2];
y1i = -a[idx5 + 3] + a[idx2 + 3];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
y2r = a[idx1 + 2] + a[idx3 + 2];
y2i = a[idx1 + 3] + a[idx3 + 3];
y3r = a[idx1 + 2] - a[idx3 + 2];
y3i = a[idx1 + 3] - a[idx3 + 3];
a[idx5] = x0r + x2r;
a[idx5 + 1] = x0i - x2i;
a[idx5 + 2] = y0r + y2r;
a[idx5 + 3] = y0i - y2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i + x2i;
a[idx1 + 2] = y0r - y2r;
a[idx1 + 3] = y0i + y2i;
x0r = x1r + x3i;
x0i = x1i + x3r;
a[idx2] = wk1r * x0r - wk1i * x0i;
a[idx2 + 1] = wk1r * x0i + wk1i * x0r;
x0r = y1r + y3i;
x0i = y1i + y3r;
a[idx2 + 2] = wd1r * x0r - wd1i * x0i;
a[idx2 + 3] = wd1r * x0i + wd1i * x0r;
x0r = x1r - x3i;
x0i = x1i - x3r;
a[idx3] = wk3r * x0r + wk3i * x0i;
a[idx3 + 1] = wk3r * x0i - wk3i * x0r;
x0r = y1r - y3i;
x0i = y1i - y3r;
a[idx3 + 2] = wd3r * x0r + wd3i * x0i;
a[idx3 + 3] = wd3r * x0i - wd3i * x0r;
j0 = m - j;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[idx0] + a[idx2];
x0i = -a[idx0 + 1] - a[idx2 + 1];
x1r = a[idx0] - a[idx2];
x1i = -a[idx0 + 1] + a[idx2 + 1];
y0r = a[idx0 - 2] + a[idx2 - 2];
y0i = -a[idx0 - 1] - a[idx2 - 1];
y1r = a[idx0 - 2] - a[idx2 - 2];
y1i = -a[idx0 - 1] + a[idx2 - 1];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
y2r = a[idx1 - 2] + a[idx3 - 2];
y2i = a[idx1 - 1] + a[idx3 - 1];
y3r = a[idx1 - 2] - a[idx3 - 2];
y3i = a[idx1 - 1] - a[idx3 - 1];
a[idx0] = x0r + x2r;
a[idx0 + 1] = x0i - x2i;
a[idx0 - 2] = y0r + y2r;
a[idx0 - 1] = y0i - y2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i + x2i;
a[idx1 - 2] = y0r - y2r;
a[idx1 - 1] = y0i + y2i;
x0r = x1r + x3i;
x0i = x1i + x3r;
a[idx2] = wk1i * x0r - wk1r * x0i;
a[idx2 + 1] = wk1i * x0i + wk1r * x0r;
x0r = y1r + y3i;
x0i = y1i + y3r;
a[idx2 - 2] = wd1i * x0r - wd1r * x0i;
a[idx2 - 1] = wd1i * x0i + wd1r * x0r;
x0r = x1r - x3i;
x0i = x1i - x3r;
a[idx3] = wk3i * x0r + wk3r * x0i;
a[idx3 + 1] = wk3i * x0i - wk3r * x0r;
x0r = y1r - y3i;
x0i = y1i - y3r;
a[idx3 - 2] = wd3i * x0r + wd3r * x0i;
a[idx3 - 1] = wd3i * x0i - wd3r * x0r;
}
wk1r = csc1 * (wd1r + wn4r);
wk1i = csc1 * (wd1i + wn4r);
wk3r = csc3 * (wd3r - wn4r);
wk3i = csc3 * (wd3i - wn4r);
j0 = mh;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[idx0 - 2] + a[idx2 - 2];
x0i = -a[idx0 - 1] - a[idx2 - 1];
x1r = a[idx0 - 2] - a[idx2 - 2];
x1i = -a[idx0 - 1] + a[idx2 - 1];
x2r = a[idx1 - 2] + a[idx3 - 2];
x2i = a[idx1 - 1] + a[idx3 - 1];
x3r = a[idx1 - 2] - a[idx3 - 2];
x3i = a[idx1 - 1] - a[idx3 - 1];
a[idx0 - 2] = x0r + x2r;
a[idx0 - 1] = x0i - x2i;
a[idx1 - 2] = x0r - x2r;
a[idx1 - 1] = x0i + x2i;
x0r = x1r + x3i;
x0i = x1i + x3r;
a[idx2 - 2] = wk1r * x0r - wk1i * x0i;
a[idx2 - 1] = wk1r * x0i + wk1i * x0r;
x0r = x1r - x3i;
x0i = x1i - x3r;
a[idx3 - 2] = wk3r * x0r + wk3i * x0i;
a[idx3 - 1] = wk3r * x0i - wk3i * x0r;
x0r = a[idx0] + a[idx2];
x0i = -a[idx0 + 1] - a[idx2 + 1];
x1r = a[idx0] - a[idx2];
x1i = -a[idx0 + 1] + a[idx2 + 1];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
a[idx0] = x0r + x2r;
a[idx0 + 1] = x0i - x2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i + x2i;
x0r = x1r + x3i;
x0i = x1i + x3r;
a[idx2] = wn4r * (x0r - x0i);
a[idx2 + 1] = wn4r * (x0i + x0r);
x0r = x1r - x3i;
x0i = x1i - x3r;
a[idx3] = -wn4r * (x0r + x0i);
a[idx3 + 1] = -wn4r * (x0i - x0r);
x0r = a[idx0 + 2] + a[idx2 + 2];
x0i = -a[idx0 + 3] - a[idx2 + 3];
x1r = a[idx0 + 2] - a[idx2 + 2];
x1i = -a[idx0 + 3] + a[idx2 + 3];
x2r = a[idx1 + 2] + a[idx3 + 2];
x2i = a[idx1 + 3] + a[idx3 + 3];
x3r = a[idx1 + 2] - a[idx3 + 2];
x3i = a[idx1 + 3] - a[idx3 + 3];
a[idx0 + 2] = x0r + x2r;
a[idx0 + 3] = x0i - x2i;
a[idx1 + 2] = x0r - x2r;
a[idx1 + 3] = x0i + x2i;
x0r = x1r + x3i;
x0i = x1i + x3r;
a[idx2 + 2] = wk1i * x0r - wk1r * x0i;
a[idx2 + 3] = wk1i * x0i + wk1r * x0r;
x0r = x1r - x3i;
x0i = x1i - x3r;
a[idx3 + 2] = wk3i * x0r + wk3r * x0i;
a[idx3 + 3] = wk3i * x0i - wk3r * x0r;
}
public static void cftb1st(long n, FloatLargeArray a, long offa, FloatLargeArray w, long startw)
{
long j0, j1, j2, j3, k, m, mh;
float wn4r, csc1, csc3, wk1r, wk1i, wk3r, wk3i, wd1r, wd1i, wd3r, wd3i;
float x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i;
long idx0, idx1, idx2, idx3, idx4, idx5;
mh = n >> 3l;
m = 2 * mh;
j1 = m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getFloat(offa) + a.getFloat(idx2);
x0i = -a.getFloat(offa + 1) - a.getFloat(idx2 + 1);
x1r = a.getFloat(offa) - a.getFloat(idx2);
x1i = -a.getFloat(offa + 1) + a.getFloat(idx2 + 1);
x2r = a.getFloat(idx1) + a.getFloat(idx3);
x2i = a.getFloat(idx1 + 1) + a.getFloat(idx3 + 1);
x3r = a.getFloat(idx1) - a.getFloat(idx3);
x3i = a.getFloat(idx1 + 1) - a.getFloat(idx3 + 1);
a.setFloat(offa, x0r + x2r);
a.setFloat(offa + 1, x0i - x2i);
a.setFloat(idx1, x0r - x2r);
a.setFloat(idx1 + 1, x0i + x2i);
a.setFloat(idx2, x1r + x3i);
a.setFloat(idx2 + 1, x1i + x3r);
a.setFloat(idx3, x1r - x3i);
a.setFloat(idx3 + 1, x1i - x3r);
wn4r = w.getFloat(startw + 1);
csc1 = w.getFloat(startw + 2);
csc3 = w.getFloat(startw + 3);
wd1r = 1;
wd1i = 0;
wd3r = 1;
wd3i = 0;
k = 0;
for (long j = 2; j < mh - 2; j += 4) {
k += 4;
idx4 = startw + k;
wk1r = csc1 * (wd1r + w.getFloat(idx4));
wk1i = csc1 * (wd1i + w.getFloat(idx4 + 1));
wk3r = csc3 * (wd3r + w.getFloat(idx4 + 2));
wk3i = csc3 * (wd3i + w.getFloat(idx4 + 3));
wd1r = w.getFloat(idx4);
wd1i = w.getFloat(idx4 + 1);
wd3r = w.getFloat(idx4 + 2);
wd3i = w.getFloat(idx4 + 3);
j1 = j + m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
idx5 = offa + j;
x0r = a.getFloat(idx5) + a.getFloat(idx2);
x0i = -a.getFloat(idx5 + 1) - a.getFloat(idx2 + 1);
x1r = a.getFloat(idx5) - a.getFloat(offa + j2);
x1i = -a.getFloat(idx5 + 1) + a.getFloat(idx2 + 1);
y0r = a.getFloat(idx5 + 2) + a.getFloat(idx2 + 2);
y0i = -a.getFloat(idx5 + 3) - a.getFloat(idx2 + 3);
y1r = a.getFloat(idx5 + 2) - a.getFloat(idx2 + 2);
y1i = -a.getFloat(idx5 + 3) + a.getFloat(idx2 + 3);
x2r = a.getFloat(idx1) + a.getFloat(idx3);
x2i = a.getFloat(idx1 + 1) + a.getFloat(idx3 + 1);
x3r = a.getFloat(idx1) - a.getFloat(idx3);
x3i = a.getFloat(idx1 + 1) - a.getFloat(idx3 + 1);
y2r = a.getFloat(idx1 + 2) + a.getFloat(idx3 + 2);
y2i = a.getFloat(idx1 + 3) + a.getFloat(idx3 + 3);
y3r = a.getFloat(idx1 + 2) - a.getFloat(idx3 + 2);
y3i = a.getFloat(idx1 + 3) - a.getFloat(idx3 + 3);
a.setFloat(idx5, x0r + x2r);
a.setFloat(idx5 + 1, x0i - x2i);
a.setFloat(idx5 + 2, y0r + y2r);
a.setFloat(idx5 + 3, y0i - y2i);
a.setFloat(idx1, x0r - x2r);
a.setFloat(idx1 + 1, x0i + x2i);
a.setFloat(idx1 + 2, y0r - y2r);
a.setFloat(idx1 + 3, y0i + y2i);
x0r = x1r + x3i;
x0i = x1i + x3r;
a.setFloat(idx2, wk1r * x0r - wk1i * x0i);
a.setFloat(idx2 + 1, wk1r * x0i + wk1i * x0r);
x0r = y1r + y3i;
x0i = y1i + y3r;
a.setFloat(idx2 + 2, wd1r * x0r - wd1i * x0i);
a.setFloat(idx2 + 3, wd1r * x0i + wd1i * x0r);
x0r = x1r - x3i;
x0i = x1i - x3r;
a.setFloat(idx3, wk3r * x0r + wk3i * x0i);
a.setFloat(idx3 + 1, wk3r * x0i - wk3i * x0r);
x0r = y1r - y3i;
x0i = y1i - y3r;
a.setFloat(idx3 + 2, wd3r * x0r + wd3i * x0i);
a.setFloat(idx3 + 3, wd3r * x0i - wd3i * x0r);
j0 = m - j;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getFloat(idx0) + a.getFloat(idx2);
x0i = -a.getFloat(idx0 + 1) - a.getFloat(idx2 + 1);
x1r = a.getFloat(idx0) - a.getFloat(idx2);
x1i = -a.getFloat(idx0 + 1) + a.getFloat(idx2 + 1);
y0r = a.getFloat(idx0 - 2) + a.getFloat(idx2 - 2);
y0i = -a.getFloat(idx0 - 1) - a.getFloat(idx2 - 1);
y1r = a.getFloat(idx0 - 2) - a.getFloat(idx2 - 2);
y1i = -a.getFloat(idx0 - 1) + a.getFloat(idx2 - 1);
x2r = a.getFloat(idx1) + a.getFloat(idx3);
x2i = a.getFloat(idx1 + 1) + a.getFloat(idx3 + 1);
x3r = a.getFloat(idx1) - a.getFloat(idx3);
x3i = a.getFloat(idx1 + 1) - a.getFloat(idx3 + 1);
y2r = a.getFloat(idx1 - 2) + a.getFloat(idx3 - 2);
y2i = a.getFloat(idx1 - 1) + a.getFloat(idx3 - 1);
y3r = a.getFloat(idx1 - 2) - a.getFloat(idx3 - 2);
y3i = a.getFloat(idx1 - 1) - a.getFloat(idx3 - 1);
a.setFloat(idx0, x0r + x2r);
a.setFloat(idx0 + 1, x0i - x2i);
a.setFloat(idx0 - 2, y0r + y2r);
a.setFloat(idx0 - 1, y0i - y2i);
a.setFloat(idx1, x0r - x2r);
a.setFloat(idx1 + 1, x0i + x2i);
a.setFloat(idx1 - 2, y0r - y2r);
a.setFloat(idx1 - 1, y0i + y2i);
x0r = x1r + x3i;
x0i = x1i + x3r;
a.setFloat(idx2, wk1i * x0r - wk1r * x0i);
a.setFloat(idx2 + 1, wk1i * x0i + wk1r * x0r);
x0r = y1r + y3i;
x0i = y1i + y3r;
a.setFloat(idx2 - 2, wd1i * x0r - wd1r * x0i);
a.setFloat(idx2 - 1, wd1i * x0i + wd1r * x0r);
x0r = x1r - x3i;
x0i = x1i - x3r;
a.setFloat(idx3, wk3i * x0r + wk3r * x0i);
a.setFloat(idx3 + 1, wk3i * x0i - wk3r * x0r);
x0r = y1r - y3i;
x0i = y1i - y3r;
a.setFloat(idx3 - 2, wd3i * x0r + wd3r * x0i);
a.setFloat(idx3 - 1, wd3i * x0i - wd3r * x0r);
}
wk1r = csc1 * (wd1r + wn4r);
wk1i = csc1 * (wd1i + wn4r);
wk3r = csc3 * (wd3r - wn4r);
wk3i = csc3 * (wd3i - wn4r);
j0 = mh;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getFloat(idx0 - 2) + a.getFloat(idx2 - 2);
x0i = -a.getFloat(idx0 - 1) - a.getFloat(idx2 - 1);
x1r = a.getFloat(idx0 - 2) - a.getFloat(idx2 - 2);
x1i = -a.getFloat(idx0 - 1) + a.getFloat(idx2 - 1);
x2r = a.getFloat(idx1 - 2) + a.getFloat(idx3 - 2);
x2i = a.getFloat(idx1 - 1) + a.getFloat(idx3 - 1);
x3r = a.getFloat(idx1 - 2) - a.getFloat(idx3 - 2);
x3i = a.getFloat(idx1 - 1) - a.getFloat(idx3 - 1);
a.setFloat(idx0 - 2, x0r + x2r);
a.setFloat(idx0 - 1, x0i - x2i);
a.setFloat(idx1 - 2, x0r - x2r);
a.setFloat(idx1 - 1, x0i + x2i);
x0r = x1r + x3i;
x0i = x1i + x3r;
a.setFloat(idx2 - 2, wk1r * x0r - wk1i * x0i);
a.setFloat(idx2 - 1, wk1r * x0i + wk1i * x0r);
x0r = x1r - x3i;
x0i = x1i - x3r;
a.setFloat(idx3 - 2, wk3r * x0r + wk3i * x0i);
a.setFloat(idx3 - 1, wk3r * x0i - wk3i * x0r);
x0r = a.getFloat(idx0) + a.getFloat(idx2);
x0i = -a.getFloat(idx0 + 1) - a.getFloat(idx2 + 1);
x1r = a.getFloat(idx0) - a.getFloat(idx2);
x1i = -a.getFloat(idx0 + 1) + a.getFloat(idx2 + 1);
x2r = a.getFloat(idx1) + a.getFloat(idx3);
x2i = a.getFloat(idx1 + 1) + a.getFloat(idx3 + 1);
x3r = a.getFloat(idx1) - a.getFloat(idx3);
x3i = a.getFloat(idx1 + 1) - a.getFloat(idx3 + 1);
a.setFloat(idx0, x0r + x2r);
a.setFloat(idx0 + 1, x0i - x2i);
a.setFloat(idx1, x0r - x2r);
a.setFloat(idx1 + 1, x0i + x2i);
x0r = x1r + x3i;
x0i = x1i + x3r;
a.setFloat(idx2, wn4r * (x0r - x0i));
a.setFloat(idx2 + 1, wn4r * (x0i + x0r));
x0r = x1r - x3i;
x0i = x1i - x3r;
a.setFloat(idx3, -wn4r * (x0r + x0i));
a.setFloat(idx3 + 1, -wn4r * (x0i - x0r));
x0r = a.getFloat(idx0 + 2) + a.getFloat(idx2 + 2);
x0i = -a.getFloat(idx0 + 3) - a.getFloat(idx2 + 3);
x1r = a.getFloat(idx0 + 2) - a.getFloat(idx2 + 2);
x1i = -a.getFloat(idx0 + 3) + a.getFloat(idx2 + 3);
x2r = a.getFloat(idx1 + 2) + a.getFloat(idx3 + 2);
x2i = a.getFloat(idx1 + 3) + a.getFloat(idx3 + 3);
x3r = a.getFloat(idx1 + 2) - a.getFloat(idx3 + 2);
x3i = a.getFloat(idx1 + 3) - a.getFloat(idx3 + 3);
a.setFloat(idx0 + 2, x0r + x2r);
a.setFloat(idx0 + 3, x0i - x2i);
a.setFloat(idx1 + 2, x0r - x2r);
a.setFloat(idx1 + 3, x0i + x2i);
x0r = x1r + x3i;
x0i = x1i + x3r;
a.setFloat(idx2 + 2, wk1i * x0r - wk1r * x0i);
a.setFloat(idx2 + 3, wk1i * x0i + wk1r * x0r);
x0r = x1r - x3i;
x0i = x1i - x3r;
a.setFloat(idx3 + 2, wk3i * x0r + wk3r * x0i);
a.setFloat(idx3 + 3, wk3i * x0i - wk3r * x0r);
}
public static void cftrec4_th(final int n, final float[] a, final int offa, final int nw, final float[] w)
{
int i;
int idiv4, m, nthreads;
int idx = 0;
nthreads = 2;
idiv4 = 0;
m = n >> 1;
if (n >= ConcurrencyUtils.getThreadsBeginN_1D_FFT_4Threads()) {
nthreads = 4;
idiv4 = 1;
m >>= 1;
}
Future>[] futures = new Future[nthreads];
final int mf = m;
for (i = 0; i < nthreads; i++) {
final int firstIdx = offa + i * m;
if (i != idiv4) {
futures[idx++] = ConcurrencyUtils.submit(new Runnable()
{
public void run()
{
int isplt, j, k, m;
int idx1 = firstIdx + mf;
m = n;
while (m > 512) {
m >>= 2;
cftmdl1(m, a, idx1 - m, w, nw - (m >> 1));
}
cftleaf(m, 1, a, idx1 - m, nw, w);
k = 0;
int idx2 = firstIdx - m;
for (j = mf - m; j > 0; j -= m) {
k++;
isplt = cfttree(m, j, k, a, firstIdx, nw, w);
cftleaf(m, isplt, a, idx2 + j, nw, w);
}
}
});
} else {
futures[idx++] = ConcurrencyUtils.submit(new Runnable()
{
public void run()
{
int isplt, j, k, m;
int idx1 = firstIdx + mf;
k = 1;
m = n;
while (m > 512) {
m >>= 2;
k <<= 2;
cftmdl2(m, a, idx1 - m, w, nw - m);
}
cftleaf(m, 0, a, idx1 - m, nw, w);
k >>= 1;
int idx2 = firstIdx - m;
for (j = mf - m; j > 0; j -= m) {
k++;
isplt = cfttree(m, j, k, a, firstIdx, nw, w);
cftleaf(m, isplt, a, idx2 + j, nw, w);
}
}
});
}
}
ConcurrencyUtils.waitForCompletion(futures);
}
public static void cftrec4_th(final long n, final FloatLargeArray a, final long offa, final long nw, final FloatLargeArray w)
{
int i, idx = 0;
int idiv4, nthreads;
long m;
nthreads = 2;
idiv4 = 0;
m = n >> 1l;
if (n >= ConcurrencyUtils.getThreadsBeginN_1D_FFT_4Threads()) {
nthreads = 4;
idiv4 = 1;
m >>= 1l;
}
Future>[] futures = new Future[nthreads];
final long mf = m;
for (i = 0; i < nthreads; i++) {
final long firstIdx = offa + i * m;
if (i != idiv4) {
futures[idx++] = ConcurrencyUtils.submit(new Runnable()
{
public void run()
{
long isplt, j, k, m;
long idx1 = firstIdx + mf;
m = n;
while (m > 512) {
m >>= 2;
cftmdl1(m, a, idx1 - m, w, nw - (m >> 1l));
}
cftleaf(m, 1, a, idx1 - m, nw, w);
k = 0;
long idx2 = firstIdx - m;
for (j = mf - m; j > 0; j -= m) {
k++;
isplt = cfttree(m, j, k, a, firstIdx, nw, w);
cftleaf(m, isplt, a, idx2 + j, nw, w);
}
}
});
} else {
futures[idx++] = ConcurrencyUtils.submit(new Runnable()
{
public void run()
{
long isplt, j, k, m;
long idx1 = firstIdx + mf;
k = 1;
m = n;
while (m > 512) {
m >>= 2;
k <<= 2;
cftmdl2(m, a, idx1 - m, w, nw - m);
}
cftleaf(m, 0, a, idx1 - m, nw, w);
k >>= 1l;
long idx2 = firstIdx - m;
for (j = mf - m; j > 0; j -= m) {
k++;
isplt = cfttree(m, j, k, a, firstIdx, nw, w);
cftleaf(m, isplt, a, idx2 + j, nw, w);
}
}
});
}
}
ConcurrencyUtils.waitForCompletion(futures);
}
public static void cftrec4(int n, float[] a, int offa, int nw, float[] w)
{
int isplt, j, k, m;
m = n;
int idx1 = offa + n;
while (m > 512) {
m >>= 2;
cftmdl1(m, a, idx1 - m, w, nw - (m >> 1));
}
cftleaf(m, 1, a, idx1 - m, nw, w);
k = 0;
int idx2 = offa - m;
for (j = n - m; j > 0; j -= m) {
k++;
isplt = cfttree(m, j, k, a, offa, nw, w);
cftleaf(m, isplt, a, idx2 + j, nw, w);
}
}
public static void cftrec4(long n, FloatLargeArray a, long offa, long nw, FloatLargeArray w)
{
long isplt, j, k, m;
m = n;
long idx1 = offa + n;
while (m > 512) {
m >>= 2;
cftmdl1(m, a, idx1 - m, w, nw - (m >> 1l));
}
cftleaf(m, 1, a, idx1 - m, nw, w);
k = 0;
long idx2 = offa - m;
for (j = n - m; j > 0; j -= m) {
k++;
isplt = cfttree(m, j, k, a, offa, nw, w);
cftleaf(m, isplt, a, idx2 + j, nw, w);
}
}
public static int cfttree(int n, int j, int k, float[] a, int offa, int nw, float[] w)
{
int i, isplt, m;
int idx1 = offa - n;
if ((k & 3) != 0) {
isplt = k & 1;
if (isplt != 0) {
cftmdl1(n, a, idx1 + j, w, nw - (n >> 1));
} else {
cftmdl2(n, a, idx1 + j, w, nw - n);
}
} else {
m = n;
for (i = k; (i & 3) == 0; i >>= 2) {
m <<= 2;
}
isplt = i & 1;
int idx2 = offa + j;
if (isplt != 0) {
while (m > 128) {
cftmdl1(m, a, idx2 - m, w, nw - (m >> 1));
m >>= 2;
}
} else {
while (m > 128) {
cftmdl2(m, a, idx2 - m, w, nw - m);
m >>= 2;
}
}
}
return isplt;
}
public static long cfttree(long n, long j, long k, FloatLargeArray a, long offa, long nw, FloatLargeArray w)
{
long i, isplt, m;
long idx1 = offa - n;
if ((k & 3) != 0) {
isplt = k & 1;
if (isplt != 0) {
cftmdl1(n, a, idx1 + j, w, nw - (n >> 1l));
} else {
cftmdl2(n, a, idx1 + j, w, nw - n);
}
} else {
m = n;
for (i = k; (i & 3) == 0; i >>= 2l) {
m <<= 2l;
}
isplt = i & 1;
long idx2 = offa + j;
if (isplt != 0) {
while (m > 128) {
cftmdl1(m, a, idx2 - m, w, nw - (m >> 1l));
m >>= 2l;
}
} else {
while (m > 128) {
cftmdl2(m, a, idx2 - m, w, nw - m);
m >>= 2l;
}
}
}
return isplt;
}
public static void cftleaf(int n, int isplt, float[] a, int offa, int nw, float[] w)
{
if (n == 512) {
cftmdl1(128, a, offa, w, nw - 64);
cftf161(a, offa, w, nw - 8);
cftf162(a, offa + 32, w, nw - 32);
cftf161(a, offa + 64, w, nw - 8);
cftf161(a, offa + 96, w, nw - 8);
cftmdl2(128, a, offa + 128, w, nw - 128);
cftf161(a, offa + 128, w, nw - 8);
cftf162(a, offa + 160, w, nw - 32);
cftf161(a, offa + 192, w, nw - 8);
cftf162(a, offa + 224, w, nw - 32);
cftmdl1(128, a, offa + 256, w, nw - 64);
cftf161(a, offa + 256, w, nw - 8);
cftf162(a, offa + 288, w, nw - 32);
cftf161(a, offa + 320, w, nw - 8);
cftf161(a, offa + 352, w, nw - 8);
if (isplt != 0) {
cftmdl1(128, a, offa + 384, w, nw - 64);
cftf161(a, offa + 480, w, nw - 8);
} else {
cftmdl2(128, a, offa + 384, w, nw - 128);
cftf162(a, offa + 480, w, nw - 32);
}
cftf161(a, offa + 384, w, nw - 8);
cftf162(a, offa + 416, w, nw - 32);
cftf161(a, offa + 448, w, nw - 8);
} else {
cftmdl1(64, a, offa, w, nw - 32);
cftf081(a, offa, w, nw - 8);
cftf082(a, offa + 16, w, nw - 8);
cftf081(a, offa + 32, w, nw - 8);
cftf081(a, offa + 48, w, nw - 8);
cftmdl2(64, a, offa + 64, w, nw - 64);
cftf081(a, offa + 64, w, nw - 8);
cftf082(a, offa + 80, w, nw - 8);
cftf081(a, offa + 96, w, nw - 8);
cftf082(a, offa + 112, w, nw - 8);
cftmdl1(64, a, offa + 128, w, nw - 32);
cftf081(a, offa + 128, w, nw - 8);
cftf082(a, offa + 144, w, nw - 8);
cftf081(a, offa + 160, w, nw - 8);
cftf081(a, offa + 176, w, nw - 8);
if (isplt != 0) {
cftmdl1(64, a, offa + 192, w, nw - 32);
cftf081(a, offa + 240, w, nw - 8);
} else {
cftmdl2(64, a, offa + 192, w, nw - 64);
cftf082(a, offa + 240, w, nw - 8);
}
cftf081(a, offa + 192, w, nw - 8);
cftf082(a, offa + 208, w, nw - 8);
cftf081(a, offa + 224, w, nw - 8);
}
}
public static void cftleaf(long n, long isplt, FloatLargeArray a, long offa, long nw, FloatLargeArray w)
{
if (n == 512) {
cftmdl1(128, a, offa, w, nw - 64);
cftf161(a, offa, w, nw - 8);
cftf162(a, offa + 32, w, nw - 32);
cftf161(a, offa + 64, w, nw - 8);
cftf161(a, offa + 96, w, nw - 8);
cftmdl2(128, a, offa + 128, w, nw - 128);
cftf161(a, offa + 128, w, nw - 8);
cftf162(a, offa + 160, w, nw - 32);
cftf161(a, offa + 192, w, nw - 8);
cftf162(a, offa + 224, w, nw - 32);
cftmdl1(128, a, offa + 256, w, nw - 64);
cftf161(a, offa + 256, w, nw - 8);
cftf162(a, offa + 288, w, nw - 32);
cftf161(a, offa + 320, w, nw - 8);
cftf161(a, offa + 352, w, nw - 8);
if (isplt != 0) {
cftmdl1(128, a, offa + 384, w, nw - 64);
cftf161(a, offa + 480, w, nw - 8);
} else {
cftmdl2(128, a, offa + 384, w, nw - 128);
cftf162(a, offa + 480, w, nw - 32);
}
cftf161(a, offa + 384, w, nw - 8);
cftf162(a, offa + 416, w, nw - 32);
cftf161(a, offa + 448, w, nw - 8);
} else {
cftmdl1(64, a, offa, w, nw - 32);
cftf081(a, offa, w, nw - 8);
cftf082(a, offa + 16, w, nw - 8);
cftf081(a, offa + 32, w, nw - 8);
cftf081(a, offa + 48, w, nw - 8);
cftmdl2(64, a, offa + 64, w, nw - 64);
cftf081(a, offa + 64, w, nw - 8);
cftf082(a, offa + 80, w, nw - 8);
cftf081(a, offa + 96, w, nw - 8);
cftf082(a, offa + 112, w, nw - 8);
cftmdl1(64, a, offa + 128, w, nw - 32);
cftf081(a, offa + 128, w, nw - 8);
cftf082(a, offa + 144, w, nw - 8);
cftf081(a, offa + 160, w, nw - 8);
cftf081(a, offa + 176, w, nw - 8);
if (isplt != 0) {
cftmdl1(64, a, offa + 192, w, nw - 32);
cftf081(a, offa + 240, w, nw - 8);
} else {
cftmdl2(64, a, offa + 192, w, nw - 64);
cftf082(a, offa + 240, w, nw - 8);
}
cftf081(a, offa + 192, w, nw - 8);
cftf082(a, offa + 208, w, nw - 8);
cftf081(a, offa + 224, w, nw - 8);
}
}
public static void cftmdl1(int n, float[] a, int offa, float[] w, int startw)
{
int j0, j1, j2, j3, k, m, mh;
float wn4r, wk1r, wk1i, wk3r, wk3i;
float x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i;
int idx0, idx1, idx2, idx3, idx4, idx5;
mh = n >> 3;
m = 2 * mh;
j1 = m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[offa] + a[idx2];
x0i = a[offa + 1] + a[idx2 + 1];
x1r = a[offa] - a[idx2];
x1i = a[offa + 1] - a[idx2 + 1];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
a[offa] = x0r + x2r;
a[offa + 1] = x0i + x2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i - x2i;
a[idx2] = x1r - x3i;
a[idx2 + 1] = x1i + x3r;
a[idx3] = x1r + x3i;
a[idx3 + 1] = x1i - x3r;
wn4r = w[startw + 1];
k = 0;
for (int j = 2; j < mh; j += 2) {
k += 4;
idx4 = startw + k;
wk1r = w[idx4];
wk1i = w[idx4 + 1];
wk3r = w[idx4 + 2];
wk3i = w[idx4 + 3];
j1 = j + m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
idx5 = offa + j;
x0r = a[idx5] + a[idx2];
x0i = a[idx5 + 1] + a[idx2 + 1];
x1r = a[idx5] - a[idx2];
x1i = a[idx5 + 1] - a[idx2 + 1];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
a[idx5] = x0r + x2r;
a[idx5 + 1] = x0i + x2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
a[idx2] = wk1r * x0r - wk1i * x0i;
a[idx2 + 1] = wk1r * x0i + wk1i * x0r;
x0r = x1r + x3i;
x0i = x1i - x3r;
a[idx3] = wk3r * x0r + wk3i * x0i;
a[idx3 + 1] = wk3r * x0i - wk3i * x0r;
j0 = m - j;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[idx0] + a[idx2];
x0i = a[idx0 + 1] + a[idx2 + 1];
x1r = a[idx0] - a[idx2];
x1i = a[idx0 + 1] - a[idx2 + 1];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
a[idx0] = x0r + x2r;
a[idx0 + 1] = x0i + x2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
a[idx2] = wk1i * x0r - wk1r * x0i;
a[idx2 + 1] = wk1i * x0i + wk1r * x0r;
x0r = x1r + x3i;
x0i = x1i - x3r;
a[idx3] = wk3i * x0r + wk3r * x0i;
a[idx3 + 1] = wk3i * x0i - wk3r * x0r;
}
j0 = mh;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[idx0] + a[idx2];
x0i = a[idx0 + 1] + a[idx2 + 1];
x1r = a[idx0] - a[idx2];
x1i = a[idx0 + 1] - a[idx2 + 1];
x2r = a[idx1] + a[idx3];
x2i = a[idx1 + 1] + a[idx3 + 1];
x3r = a[idx1] - a[idx3];
x3i = a[idx1 + 1] - a[idx3 + 1];
a[idx0] = x0r + x2r;
a[idx0 + 1] = x0i + x2i;
a[idx1] = x0r - x2r;
a[idx1 + 1] = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
a[idx2] = wn4r * (x0r - x0i);
a[idx2 + 1] = wn4r * (x0i + x0r);
x0r = x1r + x3i;
x0i = x1i - x3r;
a[idx3] = -wn4r * (x0r + x0i);
a[idx3 + 1] = -wn4r * (x0i - x0r);
}
public static void cftmdl1(long n, FloatLargeArray a, long offa, FloatLargeArray w, long startw)
{
long j0, j1, j2, j3, k, m, mh;
float wn4r, wk1r, wk1i, wk3r, wk3i;
float x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i;
long idx0, idx1, idx2, idx3, idx4, idx5;
mh = n >> 3l;
m = 2 * mh;
j1 = m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getFloat(offa) + a.getFloat(idx2);
x0i = a.getFloat(offa + 1) + a.getFloat(idx2 + 1);
x1r = a.getFloat(offa) - a.getFloat(idx2);
x1i = a.getFloat(offa + 1) - a.getFloat(idx2 + 1);
x2r = a.getFloat(idx1) + a.getFloat(idx3);
x2i = a.getFloat(idx1 + 1) + a.getFloat(idx3 + 1);
x3r = a.getFloat(idx1) - a.getFloat(idx3);
x3i = a.getFloat(idx1 + 1) - a.getFloat(idx3 + 1);
a.setFloat(offa, x0r + x2r);
a.setFloat(offa + 1, x0i + x2i);
a.setFloat(idx1, x0r - x2r);
a.setFloat(idx1 + 1, x0i - x2i);
a.setFloat(idx2, x1r - x3i);
a.setFloat(idx2 + 1, x1i + x3r);
a.setFloat(idx3, x1r + x3i);
a.setFloat(idx3 + 1, x1i - x3r);
wn4r = w.getFloat(startw + 1);
k = 0;
for (long j = 2; j < mh; j += 2) {
k += 4;
idx4 = startw + k;
wk1r = w.getFloat(idx4);
wk1i = w.getFloat(idx4 + 1);
wk3r = w.getFloat(idx4 + 2);
wk3i = w.getFloat(idx4 + 3);
j1 = j + m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
idx5 = offa + j;
x0r = a.getFloat(idx5) + a.getFloat(idx2);
x0i = a.getFloat(idx5 + 1) + a.getFloat(idx2 + 1);
x1r = a.getFloat(idx5) - a.getFloat(idx2);
x1i = a.getFloat(idx5 + 1) - a.getFloat(idx2 + 1);
x2r = a.getFloat(idx1) + a.getFloat(idx3);
x2i = a.getFloat(idx1 + 1) + a.getFloat(idx3 + 1);
x3r = a.getFloat(idx1) - a.getFloat(idx3);
x3i = a.getFloat(idx1 + 1) - a.getFloat(idx3 + 1);
a.setFloat(idx5, x0r + x2r);
a.setFloat(idx5 + 1, x0i + x2i);
a.setFloat(idx1, x0r - x2r);
a.setFloat(idx1 + 1, x0i - x2i);
x0r = x1r - x3i;
x0i = x1i + x3r;
a.setFloat(idx2, wk1r * x0r - wk1i * x0i);
a.setFloat(idx2 + 1, wk1r * x0i + wk1i * x0r);
x0r = x1r + x3i;
x0i = x1i - x3r;
a.setFloat(idx3, wk3r * x0r + wk3i * x0i);
a.setFloat(idx3 + 1, wk3r * x0i - wk3i * x0r);
j0 = m - j;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getFloat(idx0) + a.getFloat(idx2);
x0i = a.getFloat(idx0 + 1) + a.getFloat(idx2 + 1);
x1r = a.getFloat(idx0) - a.getFloat(idx2);
x1i = a.getFloat(idx0 + 1) - a.getFloat(idx2 + 1);
x2r = a.getFloat(idx1) + a.getFloat(idx3);
x2i = a.getFloat(idx1 + 1) + a.getFloat(idx3 + 1);
x3r = a.getFloat(idx1) - a.getFloat(idx3);
x3i = a.getFloat(idx1 + 1) - a.getFloat(idx3 + 1);
a.setFloat(idx0, x0r + x2r);
a.setFloat(idx0 + 1, x0i + x2i);
a.setFloat(idx1, x0r - x2r);
a.setFloat(idx1 + 1, x0i - x2i);
x0r = x1r - x3i;
x0i = x1i + x3r;
a.setFloat(idx2, wk1i * x0r - wk1r * x0i);
a.setFloat(idx2 + 1, wk1i * x0i + wk1r * x0r);
x0r = x1r + x3i;
x0i = x1i - x3r;
a.setFloat(idx3, wk3i * x0r + wk3r * x0i);
a.setFloat(idx3 + 1, wk3i * x0i - wk3r * x0r);
}
j0 = mh;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getFloat(idx0) + a.getFloat(idx2);
x0i = a.getFloat(idx0 + 1) + a.getFloat(idx2 + 1);
x1r = a.getFloat(idx0) - a.getFloat(idx2);
x1i = a.getFloat(idx0 + 1) - a.getFloat(idx2 + 1);
x2r = a.getFloat(idx1) + a.getFloat(idx3);
x2i = a.getFloat(idx1 + 1) + a.getFloat(idx3 + 1);
x3r = a.getFloat(idx1) - a.getFloat(idx3);
x3i = a.getFloat(idx1 + 1) - a.getFloat(idx3 + 1);
a.setFloat(idx0, x0r + x2r);
a.setFloat(idx0 + 1, x0i + x2i);
a.setFloat(idx1, x0r - x2r);
a.setFloat(idx1 + 1, x0i - x2i);
x0r = x1r - x3i;
x0i = x1i + x3r;
a.setFloat(idx2, wn4r * (x0r - x0i));
a.setFloat(idx2 + 1, wn4r * (x0i + x0r));
x0r = x1r + x3i;
x0i = x1i - x3r;
a.setFloat(idx3, -wn4r * (x0r + x0i));
a.setFloat(idx3 + 1, -wn4r * (x0i - x0r));
}
public static void cftmdl2(int n, float[] a, int offa, float[] w, int startw)
{
int j0, j1, j2, j3, k, kr, m, mh;
float wn4r, wk1r, wk1i, wk3r, wk3i, wd1r, wd1i, wd3r, wd3i;
float x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i, y0r, y0i, y2r, y2i;
int idx0, idx1, idx2, idx3, idx4, idx5, idx6;
mh = n >> 3;
m = 2 * mh;
wn4r = w[startw + 1];
j1 = m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[offa] - a[idx2 + 1];
x0i = a[offa + 1] + a[idx2];
x1r = a[offa] + a[idx2 + 1];
x1i = a[offa + 1] - a[idx2];
x2r = a[idx1] - a[idx3 + 1];
x2i = a[idx1 + 1] + a[idx3];
x3r = a[idx1] + a[idx3 + 1];
x3i = a[idx1 + 1] - a[idx3];
y0r = wn4r * (x2r - x2i);
y0i = wn4r * (x2i + x2r);
a[offa] = x0r + y0r;
a[offa + 1] = x0i + y0i;
a[idx1] = x0r - y0r;
a[idx1 + 1] = x0i - y0i;
y0r = wn4r * (x3r - x3i);
y0i = wn4r * (x3i + x3r);
a[idx2] = x1r - y0i;
a[idx2 + 1] = x1i + y0r;
a[idx3] = x1r + y0i;
a[idx3 + 1] = x1i - y0r;
k = 0;
kr = 2 * m;
for (int j = 2; j < mh; j += 2) {
k += 4;
idx4 = startw + k;
wk1r = w[idx4];
wk1i = w[idx4 + 1];
wk3r = w[idx4 + 2];
wk3i = w[idx4 + 3];
kr -= 4;
idx5 = startw + kr;
wd1i = w[idx5];
wd1r = w[idx5 + 1];
wd3i = w[idx5 + 2];
wd3r = w[idx5 + 3];
j1 = j + m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
idx6 = offa + j;
x0r = a[idx6] - a[idx2 + 1];
x0i = a[idx6 + 1] + a[idx2];
x1r = a[idx6] + a[idx2 + 1];
x1i = a[idx6 + 1] - a[idx2];
x2r = a[idx1] - a[idx3 + 1];
x2i = a[idx1 + 1] + a[idx3];
x3r = a[idx1] + a[idx3 + 1];
x3i = a[idx1 + 1] - a[idx3];
y0r = wk1r * x0r - wk1i * x0i;
y0i = wk1r * x0i + wk1i * x0r;
y2r = wd1r * x2r - wd1i * x2i;
y2i = wd1r * x2i + wd1i * x2r;
a[idx6] = y0r + y2r;
a[idx6 + 1] = y0i + y2i;
a[idx1] = y0r - y2r;
a[idx1 + 1] = y0i - y2i;
y0r = wk3r * x1r + wk3i * x1i;
y0i = wk3r * x1i - wk3i * x1r;
y2r = wd3r * x3r + wd3i * x3i;
y2i = wd3r * x3i - wd3i * x3r;
a[idx2] = y0r + y2r;
a[idx2 + 1] = y0i + y2i;
a[idx3] = y0r - y2r;
a[idx3 + 1] = y0i - y2i;
j0 = m - j;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[idx0] - a[idx2 + 1];
x0i = a[idx0 + 1] + a[idx2];
x1r = a[idx0] + a[idx2 + 1];
x1i = a[idx0 + 1] - a[idx2];
x2r = a[idx1] - a[idx3 + 1];
x2i = a[idx1 + 1] + a[idx3];
x3r = a[idx1] + a[idx3 + 1];
x3i = a[idx1 + 1] - a[idx3];
y0r = wd1i * x0r - wd1r * x0i;
y0i = wd1i * x0i + wd1r * x0r;
y2r = wk1i * x2r - wk1r * x2i;
y2i = wk1i * x2i + wk1r * x2r;
a[idx0] = y0r + y2r;
a[idx0 + 1] = y0i + y2i;
a[idx1] = y0r - y2r;
a[idx1 + 1] = y0i - y2i;
y0r = wd3i * x1r + wd3r * x1i;
y0i = wd3i * x1i - wd3r * x1r;
y2r = wk3i * x3r + wk3r * x3i;
y2i = wk3i * x3i - wk3r * x3r;
a[idx2] = y0r + y2r;
a[idx2 + 1] = y0i + y2i;
a[idx3] = y0r - y2r;
a[idx3 + 1] = y0i - y2i;
}
wk1r = w[startw + m];
wk1i = w[startw + m + 1];
j0 = mh;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a[idx0] - a[idx2 + 1];
x0i = a[idx0 + 1] + a[idx2];
x1r = a[idx0] + a[idx2 + 1];
x1i = a[idx0 + 1] - a[idx2];
x2r = a[idx1] - a[idx3 + 1];
x2i = a[idx1 + 1] + a[idx3];
x3r = a[idx1] + a[idx3 + 1];
x3i = a[idx1 + 1] - a[idx3];
y0r = wk1r * x0r - wk1i * x0i;
y0i = wk1r * x0i + wk1i * x0r;
y2r = wk1i * x2r - wk1r * x2i;
y2i = wk1i * x2i + wk1r * x2r;
a[idx0] = y0r + y2r;
a[idx0 + 1] = y0i + y2i;
a[idx1] = y0r - y2r;
a[idx1 + 1] = y0i - y2i;
y0r = wk1i * x1r - wk1r * x1i;
y0i = wk1i * x1i + wk1r * x1r;
y2r = wk1r * x3r - wk1i * x3i;
y2i = wk1r * x3i + wk1i * x3r;
a[idx2] = y0r - y2r;
a[idx2 + 1] = y0i - y2i;
a[idx3] = y0r + y2r;
a[idx3 + 1] = y0i + y2i;
}
public static void cftmdl2(long n, FloatLargeArray a, long offa, FloatLargeArray w, long startw)
{
long j0, j1, j2, j3, k, kr, m, mh;
float wn4r, wk1r, wk1i, wk3r, wk3i, wd1r, wd1i, wd3r, wd3i;
float x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i, y0r, y0i, y2r, y2i;
long idx0, idx1, idx2, idx3, idx4, idx5, idx6;
mh = n >> 3l;
m = 2 * mh;
wn4r = w.getFloat(startw + 1);
j1 = m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getFloat(offa) - a.getFloat(idx2 + 1);
x0i = a.getFloat(offa + 1) + a.getFloat(idx2);
x1r = a.getFloat(offa) + a.getFloat(idx2 + 1);
x1i = a.getFloat(offa + 1) - a.getFloat(idx2);
x2r = a.getFloat(idx1) - a.getFloat(idx3 + 1);
x2i = a.getFloat(idx1 + 1) + a.getFloat(idx3);
x3r = a.getFloat(idx1) + a.getFloat(idx3 + 1);
x3i = a.getFloat(idx1 + 1) - a.getFloat(idx3);
y0r = wn4r * (x2r - x2i);
y0i = wn4r * (x2i + x2r);
a.setFloat(offa, x0r + y0r);
a.setFloat(offa + 1, x0i + y0i);
a.setFloat(idx1, x0r - y0r);
a.setFloat(idx1 + 1, x0i - y0i);
y0r = wn4r * (x3r - x3i);
y0i = wn4r * (x3i + x3r);
a.setFloat(idx2, x1r - y0i);
a.setFloat(idx2 + 1, x1i + y0r);
a.setFloat(idx3, x1r + y0i);
a.setFloat(idx3 + 1, x1i - y0r);
k = 0;
kr = 2 * m;
for (int j = 2; j < mh; j += 2) {
k += 4;
idx4 = startw + k;
wk1r = w.getFloat(idx4);
wk1i = w.getFloat(idx4 + 1);
wk3r = w.getFloat(idx4 + 2);
wk3i = w.getFloat(idx4 + 3);
kr -= 4;
idx5 = startw + kr;
wd1i = w.getFloat(idx5);
wd1r = w.getFloat(idx5 + 1);
wd3i = w.getFloat(idx5 + 2);
wd3r = w.getFloat(idx5 + 3);
j1 = j + m;
j2 = j1 + m;
j3 = j2 + m;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
idx6 = offa + j;
x0r = a.getFloat(idx6) - a.getFloat(idx2 + 1);
x0i = a.getFloat(idx6 + 1) + a.getFloat(idx2);
x1r = a.getFloat(idx6) + a.getFloat(idx2 + 1);
x1i = a.getFloat(idx6 + 1) - a.getFloat(idx2);
x2r = a.getFloat(idx1) - a.getFloat(idx3 + 1);
x2i = a.getFloat(idx1 + 1) + a.getFloat(idx3);
x3r = a.getFloat(idx1) + a.getFloat(idx3 + 1);
x3i = a.getFloat(idx1 + 1) - a.getFloat(idx3);
y0r = wk1r * x0r - wk1i * x0i;
y0i = wk1r * x0i + wk1i * x0r;
y2r = wd1r * x2r - wd1i * x2i;
y2i = wd1r * x2i + wd1i * x2r;
a.setFloat(idx6, y0r + y2r);
a.setFloat(idx6 + 1, y0i + y2i);
a.setFloat(idx1, y0r - y2r);
a.setFloat(idx1 + 1, y0i - y2i);
y0r = wk3r * x1r + wk3i * x1i;
y0i = wk3r * x1i - wk3i * x1r;
y2r = wd3r * x3r + wd3i * x3i;
y2i = wd3r * x3i - wd3i * x3r;
a.setFloat(idx2, y0r + y2r);
a.setFloat(idx2 + 1, y0i + y2i);
a.setFloat(idx3, y0r - y2r);
a.setFloat(idx3 + 1, y0i - y2i);
j0 = m - j;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getFloat(idx0) - a.getFloat(idx2 + 1);
x0i = a.getFloat(idx0 + 1) + a.getFloat(idx2);
x1r = a.getFloat(idx0) + a.getFloat(idx2 + 1);
x1i = a.getFloat(idx0 + 1) - a.getFloat(idx2);
x2r = a.getFloat(idx1) - a.getFloat(idx3 + 1);
x2i = a.getFloat(idx1 + 1) + a.getFloat(idx3);
x3r = a.getFloat(idx1) + a.getFloat(idx3 + 1);
x3i = a.getFloat(idx1 + 1) - a.getFloat(idx3);
y0r = wd1i * x0r - wd1r * x0i;
y0i = wd1i * x0i + wd1r * x0r;
y2r = wk1i * x2r - wk1r * x2i;
y2i = wk1i * x2i + wk1r * x2r;
a.setFloat(idx0, y0r + y2r);
a.setFloat(idx0 + 1, y0i + y2i);
a.setFloat(idx1, y0r - y2r);
a.setFloat(idx1 + 1, y0i - y2i);
y0r = wd3i * x1r + wd3r * x1i;
y0i = wd3i * x1i - wd3r * x1r;
y2r = wk3i * x3r + wk3r * x3i;
y2i = wk3i * x3i - wk3r * x3r;
a.setFloat(idx2, y0r + y2r);
a.setFloat(idx2 + 1, y0i + y2i);
a.setFloat(idx3, y0r - y2r);
a.setFloat(idx3 + 1, y0i - y2i);
}
wk1r = w.getFloat(startw + m);
wk1i = w.getFloat(startw + m + 1);
j0 = mh;
j1 = j0 + m;
j2 = j1 + m;
j3 = j2 + m;
idx0 = offa + j0;
idx1 = offa + j1;
idx2 = offa + j2;
idx3 = offa + j3;
x0r = a.getFloat(idx0) - a.getFloat(idx2 + 1);
x0i = a.getFloat(idx0 + 1) + a.getFloat(idx2);
x1r = a.getFloat(idx0) + a.getFloat(idx2 + 1);
x1i = a.getFloat(idx0 + 1) - a.getFloat(idx2);
x2r = a.getFloat(idx1) - a.getFloat(idx3 + 1);
x2i = a.getFloat(idx1 + 1) + a.getFloat(idx3);
x3r = a.getFloat(idx1) + a.getFloat(idx3 + 1);
x3i = a.getFloat(idx1 + 1) - a.getFloat(idx3);
y0r = wk1r * x0r - wk1i * x0i;
y0i = wk1r * x0i + wk1i * x0r;
y2r = wk1i * x2r - wk1r * x2i;
y2i = wk1i * x2i + wk1r * x2r;
a.setFloat(idx0, y0r + y2r);
a.setFloat(idx0 + 1, y0i + y2i);
a.setFloat(idx1, y0r - y2r);
a.setFloat(idx1 + 1, y0i - y2i);
y0r = wk1i * x1r - wk1r * x1i;
y0i = wk1i * x1i + wk1r * x1r;
y2r = wk1r * x3r - wk1i * x3i;
y2i = wk1r * x3i + wk1i * x3r;
a.setFloat(idx2, y0r - y2r);
a.setFloat(idx2 + 1, y0i - y2i);
a.setFloat(idx3, y0r + y2r);
a.setFloat(idx3 + 1, y0i + y2i);
}
public static void cftfx41(int n, float[] a, int offa, int nw, float[] w)
{
if (n == 128) {
cftf161(a, offa, w, nw - 8);
cftf162(a, offa + 32, w, nw - 32);
cftf161(a, offa + 64, w, nw - 8);
cftf161(a, offa + 96, w, nw - 8);
} else {
cftf081(a, offa, w, nw - 8);
cftf082(a, offa + 16, w, nw - 8);
cftf081(a, offa + 32, w, nw - 8);
cftf081(a, offa + 48, w, nw - 8);
}
}
public static void cftfx41(long n, FloatLargeArray a, long offa, long nw, FloatLargeArray w)
{
if (n == 128) {
cftf161(a, offa, w, nw - 8);
cftf162(a, offa + 32, w, nw - 32);
cftf161(a, offa + 64, w, nw - 8);
cftf161(a, offa + 96, w, nw - 8);
} else {
cftf081(a, offa, w, nw - 8);
cftf082(a, offa + 16, w, nw - 8);
cftf081(a, offa + 32, w, nw - 8);
cftf081(a, offa + 48, w, nw - 8);
}
}
public static void cftf161(float[] a, int offa, float[] w, int startw)
{
float wn4r, wk1r, wk1i, x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i, y4r, y4i, y5r, y5i, y6r, y6i, y7r, y7i, y8r, y8i, y9r, y9i, y10r, y10i, y11r, y11i, y12r, y12i, y13r, y13i, y14r, y14i, y15r, y15i;
wn4r = w[startw + 1];
wk1r = w[startw + 2];
wk1i = w[startw + 3];
x0r = a[offa] + a[offa + 16];
x0i = a[offa + 1] + a[offa + 17];
x1r = a[offa] - a[offa + 16];
x1i = a[offa + 1] - a[offa + 17];
x2r = a[offa + 8] + a[offa + 24];
x2i = a[offa + 9] + a[offa + 25];
x3r = a[offa + 8] - a[offa + 24];
x3i = a[offa + 9] - a[offa + 25];
y0r = x0r + x2r;
y0i = x0i + x2i;
y4r = x0r - x2r;
y4i = x0i - x2i;
y8r = x1r - x3i;
y8i = x1i + x3r;
y12r = x1r + x3i;
y12i = x1i - x3r;
x0r = a[offa + 2] + a[offa + 18];
x0i = a[offa + 3] + a[offa + 19];
x1r = a[offa + 2] - a[offa + 18];
x1i = a[offa + 3] - a[offa + 19];
x2r = a[offa + 10] + a[offa + 26];
x2i = a[offa + 11] + a[offa + 27];
x3r = a[offa + 10] - a[offa + 26];
x3i = a[offa + 11] - a[offa + 27];
y1r = x0r + x2r;
y1i = x0i + x2i;
y5r = x0r - x2r;
y5i = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
y9r = wk1r * x0r - wk1i * x0i;
y9i = wk1r * x0i + wk1i * x0r;
x0r = x1r + x3i;
x0i = x1i - x3r;
y13r = wk1i * x0r - wk1r * x0i;
y13i = wk1i * x0i + wk1r * x0r;
x0r = a[offa + 4] + a[offa + 20];
x0i = a[offa + 5] + a[offa + 21];
x1r = a[offa + 4] - a[offa + 20];
x1i = a[offa + 5] - a[offa + 21];
x2r = a[offa + 12] + a[offa + 28];
x2i = a[offa + 13] + a[offa + 29];
x3r = a[offa + 12] - a[offa + 28];
x3i = a[offa + 13] - a[offa + 29];
y2r = x0r + x2r;
y2i = x0i + x2i;
y6r = x0r - x2r;
y6i = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
y10r = wn4r * (x0r - x0i);
y10i = wn4r * (x0i + x0r);
x0r = x1r + x3i;
x0i = x1i - x3r;
y14r = wn4r * (x0r + x0i);
y14i = wn4r * (x0i - x0r);
x0r = a[offa + 6] + a[offa + 22];
x0i = a[offa + 7] + a[offa + 23];
x1r = a[offa + 6] - a[offa + 22];
x1i = a[offa + 7] - a[offa + 23];
x2r = a[offa + 14] + a[offa + 30];
x2i = a[offa + 15] + a[offa + 31];
x3r = a[offa + 14] - a[offa + 30];
x3i = a[offa + 15] - a[offa + 31];
y3r = x0r + x2r;
y3i = x0i + x2i;
y7r = x0r - x2r;
y7i = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
y11r = wk1i * x0r - wk1r * x0i;
y11i = wk1i * x0i + wk1r * x0r;
x0r = x1r + x3i;
x0i = x1i - x3r;
y15r = wk1r * x0r - wk1i * x0i;
y15i = wk1r * x0i + wk1i * x0r;
x0r = y12r - y14r;
x0i = y12i - y14i;
x1r = y12r + y14r;
x1i = y12i + y14i;
x2r = y13r - y15r;
x2i = y13i - y15i;
x3r = y13r + y15r;
x3i = y13i + y15i;
a[offa + 24] = x0r + x2r;
a[offa + 25] = x0i + x2i;
a[offa + 26] = x0r - x2r;
a[offa + 27] = x0i - x2i;
a[offa + 28] = x1r - x3i;
a[offa + 29] = x1i + x3r;
a[offa + 30] = x1r + x3i;
a[offa + 31] = x1i - x3r;
x0r = y8r + y10r;
x0i = y8i + y10i;
x1r = y8r - y10r;
x1i = y8i - y10i;
x2r = y9r + y11r;
x2i = y9i + y11i;
x3r = y9r - y11r;
x3i = y9i - y11i;
a[offa + 16] = x0r + x2r;
a[offa + 17] = x0i + x2i;
a[offa + 18] = x0r - x2r;
a[offa + 19] = x0i - x2i;
a[offa + 20] = x1r - x3i;
a[offa + 21] = x1i + x3r;
a[offa + 22] = x1r + x3i;
a[offa + 23] = x1i - x3r;
x0r = y5r - y7i;
x0i = y5i + y7r;
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
x0r = y5r + y7i;
x0i = y5i - y7r;
x3r = wn4r * (x0r - x0i);
x3i = wn4r * (x0i + x0r);
x0r = y4r - y6i;
x0i = y4i + y6r;
x1r = y4r + y6i;
x1i = y4i - y6r;
a[offa + 8] = x0r + x2r;
a[offa + 9] = x0i + x2i;
a[offa + 10] = x0r - x2r;
a[offa + 11] = x0i - x2i;
a[offa + 12] = x1r - x3i;
a[offa + 13] = x1i + x3r;
a[offa + 14] = x1r + x3i;
a[offa + 15] = x1i - x3r;
x0r = y0r + y2r;
x0i = y0i + y2i;
x1r = y0r - y2r;
x1i = y0i - y2i;
x2r = y1r + y3r;
x2i = y1i + y3i;
x3r = y1r - y3r;
x3i = y1i - y3i;
a[offa] = x0r + x2r;
a[offa + 1] = x0i + x2i;
a[offa + 2] = x0r - x2r;
a[offa + 3] = x0i - x2i;
a[offa + 4] = x1r - x3i;
a[offa + 5] = x1i + x3r;
a[offa + 6] = x1r + x3i;
a[offa + 7] = x1i - x3r;
}
public static void cftf161(FloatLargeArray a, long offa, FloatLargeArray w, long startw)
{
float wn4r, wk1r, wk1i, x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i, y4r, y4i, y5r, y5i, y6r, y6i, y7r, y7i, y8r, y8i, y9r, y9i, y10r, y10i, y11r, y11i, y12r, y12i, y13r, y13i, y14r, y14i, y15r, y15i;
wn4r = w.getFloat(startw + 1);
wk1r = w.getFloat(startw + 2);
wk1i = w.getFloat(startw + 3);
x0r = a.getFloat(offa) + a.getFloat(offa + 16);
x0i = a.getFloat(offa + 1) + a.getFloat(offa + 17);
x1r = a.getFloat(offa) - a.getFloat(offa + 16);
x1i = a.getFloat(offa + 1) - a.getFloat(offa + 17);
x2r = a.getFloat(offa + 8) + a.getFloat(offa + 24);
x2i = a.getFloat(offa + 9) + a.getFloat(offa + 25);
x3r = a.getFloat(offa + 8) - a.getFloat(offa + 24);
x3i = a.getFloat(offa + 9) - a.getFloat(offa + 25);
y0r = x0r + x2r;
y0i = x0i + x2i;
y4r = x0r - x2r;
y4i = x0i - x2i;
y8r = x1r - x3i;
y8i = x1i + x3r;
y12r = x1r + x3i;
y12i = x1i - x3r;
x0r = a.getFloat(offa + 2) + a.getFloat(offa + 18);
x0i = a.getFloat(offa + 3) + a.getFloat(offa + 19);
x1r = a.getFloat(offa + 2) - a.getFloat(offa + 18);
x1i = a.getFloat(offa + 3) - a.getFloat(offa + 19);
x2r = a.getFloat(offa + 10) + a.getFloat(offa + 26);
x2i = a.getFloat(offa + 11) + a.getFloat(offa + 27);
x3r = a.getFloat(offa + 10) - a.getFloat(offa + 26);
x3i = a.getFloat(offa + 11) - a.getFloat(offa + 27);
y1r = x0r + x2r;
y1i = x0i + x2i;
y5r = x0r - x2r;
y5i = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
y9r = wk1r * x0r - wk1i * x0i;
y9i = wk1r * x0i + wk1i * x0r;
x0r = x1r + x3i;
x0i = x1i - x3r;
y13r = wk1i * x0r - wk1r * x0i;
y13i = wk1i * x0i + wk1r * x0r;
x0r = a.getFloat(offa + 4) + a.getFloat(offa + 20);
x0i = a.getFloat(offa + 5) + a.getFloat(offa + 21);
x1r = a.getFloat(offa + 4) - a.getFloat(offa + 20);
x1i = a.getFloat(offa + 5) - a.getFloat(offa + 21);
x2r = a.getFloat(offa + 12) + a.getFloat(offa + 28);
x2i = a.getFloat(offa + 13) + a.getFloat(offa + 29);
x3r = a.getFloat(offa + 12) - a.getFloat(offa + 28);
x3i = a.getFloat(offa + 13) - a.getFloat(offa + 29);
y2r = x0r + x2r;
y2i = x0i + x2i;
y6r = x0r - x2r;
y6i = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
y10r = wn4r * (x0r - x0i);
y10i = wn4r * (x0i + x0r);
x0r = x1r + x3i;
x0i = x1i - x3r;
y14r = wn4r * (x0r + x0i);
y14i = wn4r * (x0i - x0r);
x0r = a.getFloat(offa + 6) + a.getFloat(offa + 22);
x0i = a.getFloat(offa + 7) + a.getFloat(offa + 23);
x1r = a.getFloat(offa + 6) - a.getFloat(offa + 22);
x1i = a.getFloat(offa + 7) - a.getFloat(offa + 23);
x2r = a.getFloat(offa + 14) + a.getFloat(offa + 30);
x2i = a.getFloat(offa + 15) + a.getFloat(offa + 31);
x3r = a.getFloat(offa + 14) - a.getFloat(offa + 30);
x3i = a.getFloat(offa + 15) - a.getFloat(offa + 31);
y3r = x0r + x2r;
y3i = x0i + x2i;
y7r = x0r - x2r;
y7i = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
y11r = wk1i * x0r - wk1r * x0i;
y11i = wk1i * x0i + wk1r * x0r;
x0r = x1r + x3i;
x0i = x1i - x3r;
y15r = wk1r * x0r - wk1i * x0i;
y15i = wk1r * x0i + wk1i * x0r;
x0r = y12r - y14r;
x0i = y12i - y14i;
x1r = y12r + y14r;
x1i = y12i + y14i;
x2r = y13r - y15r;
x2i = y13i - y15i;
x3r = y13r + y15r;
x3i = y13i + y15i;
a.setFloat(offa + 24, x0r + x2r);
a.setFloat(offa + 25, x0i + x2i);
a.setFloat(offa + 26, x0r - x2r);
a.setFloat(offa + 27, x0i - x2i);
a.setFloat(offa + 28, x1r - x3i);
a.setFloat(offa + 29, x1i + x3r);
a.setFloat(offa + 30, x1r + x3i);
a.setFloat(offa + 31, x1i - x3r);
x0r = y8r + y10r;
x0i = y8i + y10i;
x1r = y8r - y10r;
x1i = y8i - y10i;
x2r = y9r + y11r;
x2i = y9i + y11i;
x3r = y9r - y11r;
x3i = y9i - y11i;
a.setFloat(offa + 16, x0r + x2r);
a.setFloat(offa + 17, x0i + x2i);
a.setFloat(offa + 18, x0r - x2r);
a.setFloat(offa + 19, x0i - x2i);
a.setFloat(offa + 20, x1r - x3i);
a.setFloat(offa + 21, x1i + x3r);
a.setFloat(offa + 22, x1r + x3i);
a.setFloat(offa + 23, x1i - x3r);
x0r = y5r - y7i;
x0i = y5i + y7r;
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
x0r = y5r + y7i;
x0i = y5i - y7r;
x3r = wn4r * (x0r - x0i);
x3i = wn4r * (x0i + x0r);
x0r = y4r - y6i;
x0i = y4i + y6r;
x1r = y4r + y6i;
x1i = y4i - y6r;
a.setFloat(offa + 8, x0r + x2r);
a.setFloat(offa + 9, x0i + x2i);
a.setFloat(offa + 10, x0r - x2r);
a.setFloat(offa + 11, x0i - x2i);
a.setFloat(offa + 12, x1r - x3i);
a.setFloat(offa + 13, x1i + x3r);
a.setFloat(offa + 14, x1r + x3i);
a.setFloat(offa + 15, x1i - x3r);
x0r = y0r + y2r;
x0i = y0i + y2i;
x1r = y0r - y2r;
x1i = y0i - y2i;
x2r = y1r + y3r;
x2i = y1i + y3i;
x3r = y1r - y3r;
x3i = y1i - y3i;
a.setFloat(offa, x0r + x2r);
a.setFloat(offa + 1, x0i + x2i);
a.setFloat(offa + 2, x0r - x2r);
a.setFloat(offa + 3, x0i - x2i);
a.setFloat(offa + 4, x1r - x3i);
a.setFloat(offa + 5, x1i + x3r);
a.setFloat(offa + 6, x1r + x3i);
a.setFloat(offa + 7, x1i - x3r);
}
public static void cftf162(float[] a, int offa, float[] w, int startw)
{
float wn4r, wk1r, wk1i, wk2r, wk2i, wk3r, wk3i, x0r, x0i, x1r, x1i, x2r, x2i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i, y4r, y4i, y5r, y5i, y6r, y6i, y7r, y7i, y8r, y8i, y9r, y9i, y10r, y10i, y11r, y11i, y12r, y12i, y13r, y13i, y14r, y14i, y15r, y15i;
wn4r = w[startw + 1];
wk1r = w[startw + 4];
wk1i = w[startw + 5];
wk3r = w[startw + 6];
wk3i = -w[startw + 7];
wk2r = w[startw + 8];
wk2i = w[startw + 9];
x1r = a[offa] - a[offa + 17];
x1i = a[offa + 1] + a[offa + 16];
x0r = a[offa + 8] - a[offa + 25];
x0i = a[offa + 9] + a[offa + 24];
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
y0r = x1r + x2r;
y0i = x1i + x2i;
y4r = x1r - x2r;
y4i = x1i - x2i;
x1r = a[offa] + a[offa + 17];
x1i = a[offa + 1] - a[offa + 16];
x0r = a[offa + 8] + a[offa + 25];
x0i = a[offa + 9] - a[offa + 24];
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
y8r = x1r - x2i;
y8i = x1i + x2r;
y12r = x1r + x2i;
y12i = x1i - x2r;
x0r = a[offa + 2] - a[offa + 19];
x0i = a[offa + 3] + a[offa + 18];
x1r = wk1r * x0r - wk1i * x0i;
x1i = wk1r * x0i + wk1i * x0r;
x0r = a[offa + 10] - a[offa + 27];
x0i = a[offa + 11] + a[offa + 26];
x2r = wk3i * x0r - wk3r * x0i;
x2i = wk3i * x0i + wk3r * x0r;
y1r = x1r + x2r;
y1i = x1i + x2i;
y5r = x1r - x2r;
y5i = x1i - x2i;
x0r = a[offa + 2] + a[offa + 19];
x0i = a[offa + 3] - a[offa + 18];
x1r = wk3r * x0r - wk3i * x0i;
x1i = wk3r * x0i + wk3i * x0r;
x0r = a[offa + 10] + a[offa + 27];
x0i = a[offa + 11] - a[offa + 26];
x2r = wk1r * x0r + wk1i * x0i;
x2i = wk1r * x0i - wk1i * x0r;
y9r = x1r - x2r;
y9i = x1i - x2i;
y13r = x1r + x2r;
y13i = x1i + x2i;
x0r = a[offa + 4] - a[offa + 21];
x0i = a[offa + 5] + a[offa + 20];
x1r = wk2r * x0r - wk2i * x0i;
x1i = wk2r * x0i + wk2i * x0r;
x0r = a[offa + 12] - a[offa + 29];
x0i = a[offa + 13] + a[offa + 28];
x2r = wk2i * x0r - wk2r * x0i;
x2i = wk2i * x0i + wk2r * x0r;
y2r = x1r + x2r;
y2i = x1i + x2i;
y6r = x1r - x2r;
y6i = x1i - x2i;
x0r = a[offa + 4] + a[offa + 21];
x0i = a[offa + 5] - a[offa + 20];
x1r = wk2i * x0r - wk2r * x0i;
x1i = wk2i * x0i + wk2r * x0r;
x0r = a[offa + 12] + a[offa + 29];
x0i = a[offa + 13] - a[offa + 28];
x2r = wk2r * x0r - wk2i * x0i;
x2i = wk2r * x0i + wk2i * x0r;
y10r = x1r - x2r;
y10i = x1i - x2i;
y14r = x1r + x2r;
y14i = x1i + x2i;
x0r = a[offa + 6] - a[offa + 23];
x0i = a[offa + 7] + a[offa + 22];
x1r = wk3r * x0r - wk3i * x0i;
x1i = wk3r * x0i + wk3i * x0r;
x0r = a[offa + 14] - a[offa + 31];
x0i = a[offa + 15] + a[offa + 30];
x2r = wk1i * x0r - wk1r * x0i;
x2i = wk1i * x0i + wk1r * x0r;
y3r = x1r + x2r;
y3i = x1i + x2i;
y7r = x1r - x2r;
y7i = x1i - x2i;
x0r = a[offa + 6] + a[offa + 23];
x0i = a[offa + 7] - a[offa + 22];
x1r = wk1i * x0r + wk1r * x0i;
x1i = wk1i * x0i - wk1r * x0r;
x0r = a[offa + 14] + a[offa + 31];
x0i = a[offa + 15] - a[offa + 30];
x2r = wk3i * x0r - wk3r * x0i;
x2i = wk3i * x0i + wk3r * x0r;
y11r = x1r + x2r;
y11i = x1i + x2i;
y15r = x1r - x2r;
y15i = x1i - x2i;
x1r = y0r + y2r;
x1i = y0i + y2i;
x2r = y1r + y3r;
x2i = y1i + y3i;
a[offa] = x1r + x2r;
a[offa + 1] = x1i + x2i;
a[offa + 2] = x1r - x2r;
a[offa + 3] = x1i - x2i;
x1r = y0r - y2r;
x1i = y0i - y2i;
x2r = y1r - y3r;
x2i = y1i - y3i;
a[offa + 4] = x1r - x2i;
a[offa + 5] = x1i + x2r;
a[offa + 6] = x1r + x2i;
a[offa + 7] = x1i - x2r;
x1r = y4r - y6i;
x1i = y4i + y6r;
x0r = y5r - y7i;
x0i = y5i + y7r;
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
a[offa + 8] = x1r + x2r;
a[offa + 9] = x1i + x2i;
a[offa + 10] = x1r - x2r;
a[offa + 11] = x1i - x2i;
x1r = y4r + y6i;
x1i = y4i - y6r;
x0r = y5r + y7i;
x0i = y5i - y7r;
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
a[offa + 12] = x1r - x2i;
a[offa + 13] = x1i + x2r;
a[offa + 14] = x1r + x2i;
a[offa + 15] = x1i - x2r;
x1r = y8r + y10r;
x1i = y8i + y10i;
x2r = y9r - y11r;
x2i = y9i - y11i;
a[offa + 16] = x1r + x2r;
a[offa + 17] = x1i + x2i;
a[offa + 18] = x1r - x2r;
a[offa + 19] = x1i - x2i;
x1r = y8r - y10r;
x1i = y8i - y10i;
x2r = y9r + y11r;
x2i = y9i + y11i;
a[offa + 20] = x1r - x2i;
a[offa + 21] = x1i + x2r;
a[offa + 22] = x1r + x2i;
a[offa + 23] = x1i - x2r;
x1r = y12r - y14i;
x1i = y12i + y14r;
x0r = y13r + y15i;
x0i = y13i - y15r;
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
a[offa + 24] = x1r + x2r;
a[offa + 25] = x1i + x2i;
a[offa + 26] = x1r - x2r;
a[offa + 27] = x1i - x2i;
x1r = y12r + y14i;
x1i = y12i - y14r;
x0r = y13r - y15i;
x0i = y13i + y15r;
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
a[offa + 28] = x1r - x2i;
a[offa + 29] = x1i + x2r;
a[offa + 30] = x1r + x2i;
a[offa + 31] = x1i - x2r;
}
public static void cftf162(FloatLargeArray a, long offa, FloatLargeArray w, long startw)
{
float wn4r, wk1r, wk1i, wk2r, wk2i, wk3r, wk3i, x0r, x0i, x1r, x1i, x2r, x2i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i, y4r, y4i, y5r, y5i, y6r, y6i, y7r, y7i, y8r, y8i, y9r, y9i, y10r, y10i, y11r, y11i, y12r, y12i, y13r, y13i, y14r, y14i, y15r, y15i;
wn4r = w.getFloat(startw + 1);
wk1r = w.getFloat(startw + 4);
wk1i = w.getFloat(startw + 5);
wk3r = w.getFloat(startw + 6);
wk3i = -w.getFloat(startw + 7);
wk2r = w.getFloat(startw + 8);
wk2i = w.getFloat(startw + 9);
x1r = a.getFloat(offa) - a.getFloat(offa + 17);
x1i = a.getFloat(offa + 1) + a.getFloat(offa + 16);
x0r = a.getFloat(offa + 8) - a.getFloat(offa + 25);
x0i = a.getFloat(offa + 9) + a.getFloat(offa + 24);
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
y0r = x1r + x2r;
y0i = x1i + x2i;
y4r = x1r - x2r;
y4i = x1i - x2i;
x1r = a.getFloat(offa) + a.getFloat(offa + 17);
x1i = a.getFloat(offa + 1) - a.getFloat(offa + 16);
x0r = a.getFloat(offa + 8) + a.getFloat(offa + 25);
x0i = a.getFloat(offa + 9) - a.getFloat(offa + 24);
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
y8r = x1r - x2i;
y8i = x1i + x2r;
y12r = x1r + x2i;
y12i = x1i - x2r;
x0r = a.getFloat(offa + 2) - a.getFloat(offa + 19);
x0i = a.getFloat(offa + 3) + a.getFloat(offa + 18);
x1r = wk1r * x0r - wk1i * x0i;
x1i = wk1r * x0i + wk1i * x0r;
x0r = a.getFloat(offa + 10) - a.getFloat(offa + 27);
x0i = a.getFloat(offa + 11) + a.getFloat(offa + 26);
x2r = wk3i * x0r - wk3r * x0i;
x2i = wk3i * x0i + wk3r * x0r;
y1r = x1r + x2r;
y1i = x1i + x2i;
y5r = x1r - x2r;
y5i = x1i - x2i;
x0r = a.getFloat(offa + 2) + a.getFloat(offa + 19);
x0i = a.getFloat(offa + 3) - a.getFloat(offa + 18);
x1r = wk3r * x0r - wk3i * x0i;
x1i = wk3r * x0i + wk3i * x0r;
x0r = a.getFloat(offa + 10) + a.getFloat(offa + 27);
x0i = a.getFloat(offa + 11) - a.getFloat(offa + 26);
x2r = wk1r * x0r + wk1i * x0i;
x2i = wk1r * x0i - wk1i * x0r;
y9r = x1r - x2r;
y9i = x1i - x2i;
y13r = x1r + x2r;
y13i = x1i + x2i;
x0r = a.getFloat(offa + 4) - a.getFloat(offa + 21);
x0i = a.getFloat(offa + 5) + a.getFloat(offa + 20);
x1r = wk2r * x0r - wk2i * x0i;
x1i = wk2r * x0i + wk2i * x0r;
x0r = a.getFloat(offa + 12) - a.getFloat(offa + 29);
x0i = a.getFloat(offa + 13) + a.getFloat(offa + 28);
x2r = wk2i * x0r - wk2r * x0i;
x2i = wk2i * x0i + wk2r * x0r;
y2r = x1r + x2r;
y2i = x1i + x2i;
y6r = x1r - x2r;
y6i = x1i - x2i;
x0r = a.getFloat(offa + 4) + a.getFloat(offa + 21);
x0i = a.getFloat(offa + 5) - a.getFloat(offa + 20);
x1r = wk2i * x0r - wk2r * x0i;
x1i = wk2i * x0i + wk2r * x0r;
x0r = a.getFloat(offa + 12) + a.getFloat(offa + 29);
x0i = a.getFloat(offa + 13) - a.getFloat(offa + 28);
x2r = wk2r * x0r - wk2i * x0i;
x2i = wk2r * x0i + wk2i * x0r;
y10r = x1r - x2r;
y10i = x1i - x2i;
y14r = x1r + x2r;
y14i = x1i + x2i;
x0r = a.getFloat(offa + 6) - a.getFloat(offa + 23);
x0i = a.getFloat(offa + 7) + a.getFloat(offa + 22);
x1r = wk3r * x0r - wk3i * x0i;
x1i = wk3r * x0i + wk3i * x0r;
x0r = a.getFloat(offa + 14) - a.getFloat(offa + 31);
x0i = a.getFloat(offa + 15) + a.getFloat(offa + 30);
x2r = wk1i * x0r - wk1r * x0i;
x2i = wk1i * x0i + wk1r * x0r;
y3r = x1r + x2r;
y3i = x1i + x2i;
y7r = x1r - x2r;
y7i = x1i - x2i;
x0r = a.getFloat(offa + 6) + a.getFloat(offa + 23);
x0i = a.getFloat(offa + 7) - a.getFloat(offa + 22);
x1r = wk1i * x0r + wk1r * x0i;
x1i = wk1i * x0i - wk1r * x0r;
x0r = a.getFloat(offa + 14) + a.getFloat(offa + 31);
x0i = a.getFloat(offa + 15) - a.getFloat(offa + 30);
x2r = wk3i * x0r - wk3r * x0i;
x2i = wk3i * x0i + wk3r * x0r;
y11r = x1r + x2r;
y11i = x1i + x2i;
y15r = x1r - x2r;
y15i = x1i - x2i;
x1r = y0r + y2r;
x1i = y0i + y2i;
x2r = y1r + y3r;
x2i = y1i + y3i;
a.setFloat(offa, x1r + x2r);
a.setFloat(offa + 1, x1i + x2i);
a.setFloat(offa + 2, x1r - x2r);
a.setFloat(offa + 3, x1i - x2i);
x1r = y0r - y2r;
x1i = y0i - y2i;
x2r = y1r - y3r;
x2i = y1i - y3i;
a.setFloat(offa + 4, x1r - x2i);
a.setFloat(offa + 5, x1i + x2r);
a.setFloat(offa + 6, x1r + x2i);
a.setFloat(offa + 7, x1i - x2r);
x1r = y4r - y6i;
x1i = y4i + y6r;
x0r = y5r - y7i;
x0i = y5i + y7r;
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
a.setFloat(offa + 8, x1r + x2r);
a.setFloat(offa + 9, x1i + x2i);
a.setFloat(offa + 10, x1r - x2r);
a.setFloat(offa + 11, x1i - x2i);
x1r = y4r + y6i;
x1i = y4i - y6r;
x0r = y5r + y7i;
x0i = y5i - y7r;
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
a.setFloat(offa + 12, x1r - x2i);
a.setFloat(offa + 13, x1i + x2r);
a.setFloat(offa + 14, x1r + x2i);
a.setFloat(offa + 15, x1i - x2r);
x1r = y8r + y10r;
x1i = y8i + y10i;
x2r = y9r - y11r;
x2i = y9i - y11i;
a.setFloat(offa + 16, x1r + x2r);
a.setFloat(offa + 17, x1i + x2i);
a.setFloat(offa + 18, x1r - x2r);
a.setFloat(offa + 19, x1i - x2i);
x1r = y8r - y10r;
x1i = y8i - y10i;
x2r = y9r + y11r;
x2i = y9i + y11i;
a.setFloat(offa + 20, x1r - x2i);
a.setFloat(offa + 21, x1i + x2r);
a.setFloat(offa + 22, x1r + x2i);
a.setFloat(offa + 23, x1i - x2r);
x1r = y12r - y14i;
x1i = y12i + y14r;
x0r = y13r + y15i;
x0i = y13i - y15r;
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
a.setFloat(offa + 24, x1r + x2r);
a.setFloat(offa + 25, x1i + x2i);
a.setFloat(offa + 26, x1r - x2r);
a.setFloat(offa + 27, x1i - x2i);
x1r = y12r + y14i;
x1i = y12i - y14r;
x0r = y13r - y15i;
x0i = y13i + y15r;
x2r = wn4r * (x0r - x0i);
x2i = wn4r * (x0i + x0r);
a.setFloat(offa + 28, x1r - x2i);
a.setFloat(offa + 29, x1i + x2r);
a.setFloat(offa + 30, x1r + x2i);
a.setFloat(offa + 31, x1i - x2r);
}
public static void cftf081(float[] a, int offa, float[] w, int startw)
{
float wn4r, x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i, y4r, y4i, y5r, y5i, y6r, y6i, y7r, y7i;
wn4r = w[startw + 1];
x0r = a[offa] + a[offa + 8];
x0i = a[offa + 1] + a[offa + 9];
x1r = a[offa] - a[offa + 8];
x1i = a[offa + 1] - a[offa + 9];
x2r = a[offa + 4] + a[offa + 12];
x2i = a[offa + 5] + a[offa + 13];
x3r = a[offa + 4] - a[offa + 12];
x3i = a[offa + 5] - a[offa + 13];
y0r = x0r + x2r;
y0i = x0i + x2i;
y2r = x0r - x2r;
y2i = x0i - x2i;
y1r = x1r - x3i;
y1i = x1i + x3r;
y3r = x1r + x3i;
y3i = x1i - x3r;
x0r = a[offa + 2] + a[offa + 10];
x0i = a[offa + 3] + a[offa + 11];
x1r = a[offa + 2] - a[offa + 10];
x1i = a[offa + 3] - a[offa + 11];
x2r = a[offa + 6] + a[offa + 14];
x2i = a[offa + 7] + a[offa + 15];
x3r = a[offa + 6] - a[offa + 14];
x3i = a[offa + 7] - a[offa + 15];
y4r = x0r + x2r;
y4i = x0i + x2i;
y6r = x0r - x2r;
y6i = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
x2r = x1r + x3i;
x2i = x1i - x3r;
y5r = wn4r * (x0r - x0i);
y5i = wn4r * (x0r + x0i);
y7r = wn4r * (x2r - x2i);
y7i = wn4r * (x2r + x2i);
a[offa + 8] = y1r + y5r;
a[offa + 9] = y1i + y5i;
a[offa + 10] = y1r - y5r;
a[offa + 11] = y1i - y5i;
a[offa + 12] = y3r - y7i;
a[offa + 13] = y3i + y7r;
a[offa + 14] = y3r + y7i;
a[offa + 15] = y3i - y7r;
a[offa] = y0r + y4r;
a[offa + 1] = y0i + y4i;
a[offa + 2] = y0r - y4r;
a[offa + 3] = y0i - y4i;
a[offa + 4] = y2r - y6i;
a[offa + 5] = y2i + y6r;
a[offa + 6] = y2r + y6i;
a[offa + 7] = y2i - y6r;
}
public static void cftf081(FloatLargeArray a, long offa, FloatLargeArray w, long startw)
{
float wn4r, x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i, y4r, y4i, y5r, y5i, y6r, y6i, y7r, y7i;
wn4r = w.getFloat(startw + 1);
x0r = a.getFloat(offa) + a.getFloat(offa + 8);
x0i = a.getFloat(offa + 1) + a.getFloat(offa + 9);
x1r = a.getFloat(offa) - a.getFloat(offa + 8);
x1i = a.getFloat(offa + 1) - a.getFloat(offa + 9);
x2r = a.getFloat(offa + 4) + a.getFloat(offa + 12);
x2i = a.getFloat(offa + 5) + a.getFloat(offa + 13);
x3r = a.getFloat(offa + 4) - a.getFloat(offa + 12);
x3i = a.getFloat(offa + 5) - a.getFloat(offa + 13);
y0r = x0r + x2r;
y0i = x0i + x2i;
y2r = x0r - x2r;
y2i = x0i - x2i;
y1r = x1r - x3i;
y1i = x1i + x3r;
y3r = x1r + x3i;
y3i = x1i - x3r;
x0r = a.getFloat(offa + 2) + a.getFloat(offa + 10);
x0i = a.getFloat(offa + 3) + a.getFloat(offa + 11);
x1r = a.getFloat(offa + 2) - a.getFloat(offa + 10);
x1i = a.getFloat(offa + 3) - a.getFloat(offa + 11);
x2r = a.getFloat(offa + 6) + a.getFloat(offa + 14);
x2i = a.getFloat(offa + 7) + a.getFloat(offa + 15);
x3r = a.getFloat(offa + 6) - a.getFloat(offa + 14);
x3i = a.getFloat(offa + 7) - a.getFloat(offa + 15);
y4r = x0r + x2r;
y4i = x0i + x2i;
y6r = x0r - x2r;
y6i = x0i - x2i;
x0r = x1r - x3i;
x0i = x1i + x3r;
x2r = x1r + x3i;
x2i = x1i - x3r;
y5r = wn4r * (x0r - x0i);
y5i = wn4r * (x0r + x0i);
y7r = wn4r * (x2r - x2i);
y7i = wn4r * (x2r + x2i);
a.setFloat(offa + 8, y1r + y5r);
a.setFloat(offa + 9, y1i + y5i);
a.setFloat(offa + 10, y1r - y5r);
a.setFloat(offa + 11, y1i - y5i);
a.setFloat(offa + 12, y3r - y7i);
a.setFloat(offa + 13, y3i + y7r);
a.setFloat(offa + 14, y3r + y7i);
a.setFloat(offa + 15, y3i - y7r);
a.setFloat(offa, y0r + y4r);
a.setFloat(offa + 1, y0i + y4i);
a.setFloat(offa + 2, y0r - y4r);
a.setFloat(offa + 3, y0i - y4i);
a.setFloat(offa + 4, y2r - y6i);
a.setFloat(offa + 5, y2i + y6r);
a.setFloat(offa + 6, y2r + y6i);
a.setFloat(offa + 7, y2i - y6r);
}
public static void cftf082(float[] a, int offa, float[] w, int startw)
{
float wn4r, wk1r, wk1i, x0r, x0i, x1r, x1i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i, y4r, y4i, y5r, y5i, y6r, y6i, y7r, y7i;
wn4r = w[startw + 1];
wk1r = w[startw + 2];
wk1i = w[startw + 3];
y0r = a[offa] - a[offa + 9];
y0i = a[offa + 1] + a[offa + 8];
y1r = a[offa] + a[offa + 9];
y1i = a[offa + 1] - a[offa + 8];
x0r = a[offa + 4] - a[offa + 13];
x0i = a[offa + 5] + a[offa + 12];
y2r = wn4r * (x0r - x0i);
y2i = wn4r * (x0i + x0r);
x0r = a[offa + 4] + a[offa + 13];
x0i = a[offa + 5] - a[offa + 12];
y3r = wn4r * (x0r - x0i);
y3i = wn4r * (x0i + x0r);
x0r = a[offa + 2] - a[offa + 11];
x0i = a[offa + 3] + a[offa + 10];
y4r = wk1r * x0r - wk1i * x0i;
y4i = wk1r * x0i + wk1i * x0r;
x0r = a[offa + 2] + a[offa + 11];
x0i = a[offa + 3] - a[offa + 10];
y5r = wk1i * x0r - wk1r * x0i;
y5i = wk1i * x0i + wk1r * x0r;
x0r = a[offa + 6] - a[offa + 15];
x0i = a[offa + 7] + a[offa + 14];
y6r = wk1i * x0r - wk1r * x0i;
y6i = wk1i * x0i + wk1r * x0r;
x0r = a[offa + 6] + a[offa + 15];
x0i = a[offa + 7] - a[offa + 14];
y7r = wk1r * x0r - wk1i * x0i;
y7i = wk1r * x0i + wk1i * x0r;
x0r = y0r + y2r;
x0i = y0i + y2i;
x1r = y4r + y6r;
x1i = y4i + y6i;
a[offa] = x0r + x1r;
a[offa + 1] = x0i + x1i;
a[offa + 2] = x0r - x1r;
a[offa + 3] = x0i - x1i;
x0r = y0r - y2r;
x0i = y0i - y2i;
x1r = y4r - y6r;
x1i = y4i - y6i;
a[offa + 4] = x0r - x1i;
a[offa + 5] = x0i + x1r;
a[offa + 6] = x0r + x1i;
a[offa + 7] = x0i - x1r;
x0r = y1r - y3i;
x0i = y1i + y3r;
x1r = y5r - y7r;
x1i = y5i - y7i;
a[offa + 8] = x0r + x1r;
a[offa + 9] = x0i + x1i;
a[offa + 10] = x0r - x1r;
a[offa + 11] = x0i - x1i;
x0r = y1r + y3i;
x0i = y1i - y3r;
x1r = y5r + y7r;
x1i = y5i + y7i;
a[offa + 12] = x0r - x1i;
a[offa + 13] = x0i + x1r;
a[offa + 14] = x0r + x1i;
a[offa + 15] = x0i - x1r;
}
public static void cftf082(FloatLargeArray a, long offa, FloatLargeArray w, long startw)
{
float wn4r, wk1r, wk1i, x0r, x0i, x1r, x1i, y0r, y0i, y1r, y1i, y2r, y2i, y3r, y3i, y4r, y4i, y5r, y5i, y6r, y6i, y7r, y7i;
wn4r = w.getFloat(startw + 1);
wk1r = w.getFloat(startw + 2);
wk1i = w.getFloat(startw + 3);
y0r = a.getFloat(offa) - a.getFloat(offa + 9);
y0i = a.getFloat(offa + 1) + a.getFloat(offa + 8);
y1r = a.getFloat(offa) + a.getFloat(offa + 9);
y1i = a.getFloat(offa + 1) - a.getFloat(offa + 8);
x0r = a.getFloat(offa + 4) - a.getFloat(offa + 13);
x0i = a.getFloat(offa + 5) + a.getFloat(offa + 12);
y2r = wn4r * (x0r - x0i);
y2i = wn4r * (x0i + x0r);
x0r = a.getFloat(offa + 4) + a.getFloat(offa + 13);
x0i = a.getFloat(offa + 5) - a.getFloat(offa + 12);
y3r = wn4r * (x0r - x0i);
y3i = wn4r * (x0i + x0r);
x0r = a.getFloat(offa + 2) - a.getFloat(offa + 11);
x0i = a.getFloat(offa + 3) + a.getFloat(offa + 10);
y4r = wk1r * x0r - wk1i * x0i;
y4i = wk1r * x0i + wk1i * x0r;
x0r = a.getFloat(offa + 2) + a.getFloat(offa + 11);
x0i = a.getFloat(offa + 3) - a.getFloat(offa + 10);
y5r = wk1i * x0r - wk1r * x0i;
y5i = wk1i * x0i + wk1r * x0r;
x0r = a.getFloat(offa + 6) - a.getFloat(offa + 15);
x0i = a.getFloat(offa + 7) + a.getFloat(offa + 14);
y6r = wk1i * x0r - wk1r * x0i;
y6i = wk1i * x0i + wk1r * x0r;
x0r = a.getFloat(offa + 6) + a.getFloat(offa + 15);
x0i = a.getFloat(offa + 7) - a.getFloat(offa + 14);
y7r = wk1r * x0r - wk1i * x0i;
y7i = wk1r * x0i + wk1i * x0r;
x0r = y0r + y2r;
x0i = y0i + y2i;
x1r = y4r + y6r;
x1i = y4i + y6i;
a.setFloat(offa, x0r + x1r);
a.setFloat(offa + 1, x0i + x1i);
a.setFloat(offa + 2, x0r - x1r);
a.setFloat(offa + 3, x0i - x1i);
x0r = y0r - y2r;
x0i = y0i - y2i;
x1r = y4r - y6r;
x1i = y4i - y6i;
a.setFloat(offa + 4, x0r - x1i);
a.setFloat(offa + 5, x0i + x1r);
a.setFloat(offa + 6, x0r + x1i);
a.setFloat(offa + 7, x0i - x1r);
x0r = y1r - y3i;
x0i = y1i + y3r;
x1r = y5r - y7r;
x1i = y5i - y7i;
a.setFloat(offa + 8, x0r + x1r);
a.setFloat(offa + 9, x0i + x1i);
a.setFloat(offa + 10, x0r - x1r);
a.setFloat(offa + 11, x0i - x1i);
x0r = y1r + y3i;
x0i = y1i - y3r;
x1r = y5r + y7r;
x1i = y5i + y7i;
a.setFloat(offa + 12, x0r - x1i);
a.setFloat(offa + 13, x0i + x1r);
a.setFloat(offa + 14, x0r + x1i);
a.setFloat(offa + 15, x0i - x1r);
}
public static void cftf040(float[] a, int offa)
{
float x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i;
x0r = a[offa] + a[offa + 4];
x0i = a[offa + 1] + a[offa + 5];
x1r = a[offa] - a[offa + 4];
x1i = a[offa + 1] - a[offa + 5];
x2r = a[offa + 2] + a[offa + 6];
x2i = a[offa + 3] + a[offa + 7];
x3r = a[offa + 2] - a[offa + 6];
x3i = a[offa + 3] - a[offa + 7];
a[offa] = x0r + x2r;
a[offa + 1] = x0i + x2i;
a[offa + 2] = x1r - x3i;
a[offa + 3] = x1i + x3r;
a[offa + 4] = x0r - x2r;
a[offa + 5] = x0i - x2i;
a[offa + 6] = x1r + x3i;
a[offa + 7] = x1i - x3r;
}
public static void cftf040(FloatLargeArray a, long offa)
{
float x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i;
x0r = a.getFloat(offa) + a.getFloat(offa + 4);
x0i = a.getFloat(offa + 1) + a.getFloat(offa + 5);
x1r = a.getFloat(offa) - a.getFloat(offa + 4);
x1i = a.getFloat(offa + 1) - a.getFloat(offa + 5);
x2r = a.getFloat(offa + 2) + a.getFloat(offa + 6);
x2i = a.getFloat(offa + 3) + a.getFloat(offa + 7);
x3r = a.getFloat(offa + 2) - a.getFloat(offa + 6);
x3i = a.getFloat(offa + 3) - a.getFloat(offa + 7);
a.setFloat(offa, x0r + x2r);
a.setFloat(offa + 1, x0i + x2i);
a.setFloat(offa + 2, x1r - x3i);
a.setFloat(offa + 3, x1i + x3r);
a.setFloat(offa + 4, x0r - x2r);
a.setFloat(offa + 5, x0i - x2i);
a.setFloat(offa + 6, x1r + x3i);
a.setFloat(offa + 7, x1i - x3r);
}
public static void cftb040(float[] a, int offa)
{
float x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i;
x0r = a[offa] + a[offa + 4];
x0i = a[offa + 1] + a[offa + 5];
x1r = a[offa] - a[offa + 4];
x1i = a[offa + 1] - a[offa + 5];
x2r = a[offa + 2] + a[offa + 6];
x2i = a[offa + 3] + a[offa + 7];
x3r = a[offa + 2] - a[offa + 6];
x3i = a[offa + 3] - a[offa + 7];
a[offa] = x0r + x2r;
a[offa + 1] = x0i + x2i;
a[offa + 2] = x1r + x3i;
a[offa + 3] = x1i - x3r;
a[offa + 4] = x0r - x2r;
a[offa + 5] = x0i - x2i;
a[offa + 6] = x1r - x3i;
a[offa + 7] = x1i + x3r;
}
public static void cftb040(FloatLargeArray a, long offa)
{
float x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i;
x0r = a.getFloat(offa) + a.getFloat(offa + 4);
x0i = a.getFloat(offa + 1) + a.getFloat(offa + 5);
x1r = a.getFloat(offa) - a.getFloat(offa + 4);
x1i = a.getFloat(offa + 1) - a.getFloat(offa + 5);
x2r = a.getFloat(offa + 2) + a.getFloat(offa + 6);
x2i = a.getFloat(offa + 3) + a.getFloat(offa + 7);
x3r = a.getFloat(offa + 2) - a.getFloat(offa + 6);
x3i = a.getFloat(offa + 3) - a.getFloat(offa + 7);
a.setFloat(offa, x0r + x2r);
a.setFloat(offa + 1, x0i + x2i);
a.setFloat(offa + 2, x1r + x3i);
a.setFloat(offa + 3, x1i - x3r);
a.setFloat(offa + 4, x0r - x2r);
a.setFloat(offa + 5, x0i - x2i);
a.setFloat(offa + 6, x1r - x3i);
a.setFloat(offa + 7, x1i + x3r);
}
public static void cftx020(float[] a, int offa)
{
float x0r, x0i;
x0r = a[offa] - a[offa + 2];
x0i = -a[offa + 1] + a[offa + 3];
a[offa] += a[offa + 2];
a[offa + 1] += a[offa + 3];
a[offa + 2] = x0r;
a[offa + 3] = x0i;
}
public static void cftx020(FloatLargeArray a, long offa)
{
float x0r, x0i;
x0r = a.getFloat(offa) - a.getFloat(offa + 2);
x0i = -a.getFloat(offa + 1) + a.getFloat(offa + 3);
a.setFloat(offa, a.getFloat(offa) + a.getFloat(offa + 2));
a.setFloat(offa + 1, a.getFloat(offa + 1) + a.getFloat(offa + 3));
a.setFloat(offa + 2, x0r);
a.setFloat(offa + 3, x0i);
}
public static void cftxb020(float[] a, int offa)
{
float x0r, x0i;
x0r = a[offa] - a[offa + 2];
x0i = a[offa + 1] - a[offa + 3];
a[offa] += a[offa + 2];
a[offa + 1] += a[offa + 3];
a[offa + 2] = x0r;
a[offa + 3] = x0i;
}
public static void cftxb020(FloatLargeArray a, long offa)
{
float x0r, x0i;
x0r = a.getFloat(offa) - a.getFloat(offa + 2);
x0i = a.getFloat(offa + 1) - a.getFloat(offa + 3);
a.setFloat(offa, a.getFloat(offa) + a.getFloat(offa + 2));
a.setFloat(offa + 1, a.getFloat(offa + 1) + a.getFloat(offa + 3));
a.setFloat(offa + 2, x0r);
a.setFloat(offa + 3, x0i);
}
public static void cftxc020(float[] a, int offa)
{
float x0r, x0i;
x0r = a[offa] - a[offa + 2];
x0i = a[offa + 1] + a[offa + 3];
a[offa] += a[offa + 2];
a[offa + 1] -= a[offa + 3];
a[offa + 2] = x0r;
a[offa + 3] = x0i;
}
public static void cftxc020(FloatLargeArray a, long offa)
{
float x0r, x0i;
x0r = a.getFloat(offa) - a.getFloat(offa + 2);
x0i = a.getFloat(offa + 1) + a.getFloat(offa + 3);
a.setFloat(offa, a.getFloat(offa) + a.getFloat(offa + 2));
a.setFloat(offa + 1, a.getFloat(offa + 1) - a.getFloat(offa + 3));
a.setFloat(offa + 2, x0r);
a.setFloat(offa + 3, x0i);
}
public static void rftfsub(int n, float[] a, int offa, int nc, float[] c, int startc)
{
int k, kk, ks, m;
float wkr, wki, xr, xi, yr, yi;
int idx1, idx2;
m = n >> 1;
ks = 2 * nc / m;
kk = 0;
for (int j = 2; j < m; j += 2) {
k = n - j;
kk += ks;
wkr = 0.5f - c[startc + nc - kk];
wki = c[startc + kk];
idx1 = offa + j;
idx2 = offa + k;
xr = a[idx1] - a[idx2];
xi = a[idx1 + 1] + a[idx2 + 1];
yr = wkr * xr - wki * xi;
yi = wkr * xi + wki * xr;
a[idx1] -= yr;
a[idx1 + 1] = yi - a[idx1 + 1];
a[idx2] += yr;
a[idx2 + 1] = yi - a[idx2 + 1];
}
a[offa + m + 1] = -a[offa + m + 1];
}
public static void rftfsub(long n, FloatLargeArray a, long offa, long nc, FloatLargeArray c, long startc)
{
long k, kk, ks, m;
float wkr, wki, xr, xi, yr, yi;
long idx1, idx2;
m = n >> 1l;
ks = 2 * nc / m;
kk = 0;
for (long j = 2; j < m; j += 2) {
k = n - j;
kk += ks;
wkr = 0.5f - c.getFloat(startc + nc - kk);
wki = c.getFloat(startc + kk);
idx1 = offa + j;
idx2 = offa + k;
xr = a.getFloat(idx1) - a.getFloat(idx2);
xi = a.getFloat(idx1 + 1) + a.getFloat(idx2 + 1);
yr = wkr * xr - wki * xi;
yi = wkr * xi + wki * xr;
a.setFloat(idx1, a.getFloat(idx1) - yr);
a.setFloat(idx1 + 1, yi - a.getFloat(idx1 + 1));
a.setFloat(idx2, a.getFloat(idx2) + yr);
a.setFloat(idx2 + 1, yi - a.getFloat(idx2 + 1));
}
a.setFloat(offa + m + 1, -a.getFloat(offa + m + 1));
}
public static void rftbsub(int n, float[] a, int offa, int nc, float[] c, int startc)
{
int k, kk, ks, m;
float wkr, wki, xr, xi, yr, yi;
int idx1, idx2;
m = n >> 1;
ks = 2 * nc / m;
kk = 0;
for (int j = 2; j < m; j += 2) {
k = n - j;
kk += ks;
wkr = 0.5f - c[startc + nc - kk];
wki = c[startc + kk];
idx1 = offa + j;
idx2 = offa + k;
xr = a[idx1] - a[idx2];
xi = a[idx1 + 1] + a[idx2 + 1];
yr = wkr * xr - wki * xi;
yi = wkr * xi + wki * xr;
a[idx1] -= yr;
a[idx1 + 1] -= yi;
a[idx2] += yr;
a[idx2 + 1] -= yi;
}
}
public static void rftbsub(long n, FloatLargeArray a, long offa, long nc, FloatLargeArray c, long startc)
{
long k, kk, ks, m;
float wkr, wki, xr, xi, yr, yi;
long idx1, idx2;
m = n >> 1;
ks = 2 * nc / m;
kk = 0;
for (long j = 2; j < m; j += 2) {
k = n - j;
kk += ks;
wkr = 0.5f - c.getFloat(startc + nc - kk);
wki = c.getFloat(startc + kk);
idx1 = offa + j;
idx2 = offa + k;
xr = a.getFloat(idx1) - a.getFloat(idx2);
xi = a.getFloat(idx1 + 1) + a.getFloat(idx2 + 1);
yr = wkr * xr - wki * xi;
yi = wkr * xi + wki * xr;
a.setFloat(idx1, a.getFloat(idx1) - yr);
a.setFloat(idx1 + 1, a.getFloat(idx1 + 1) - yi);
a.setFloat(idx2, a.getFloat(idx2) + yr);
a.setFloat(idx2 + 1, a.getFloat(idx2 + 1) - yi);
}
}
public static void dctsub(int n, float[] a, int offa, int nc, float[] c, int startc)
{
int k, kk, ks, m;
float wkr, wki, xr;
int idx0, idx1, idx2;
m = n >> 1;
ks = nc / n;
kk = 0;
for (int j = 1; j < m; j++) {
k = n - j;
kk += ks;
idx0 = startc + kk;
idx1 = offa + j;
idx2 = offa + k;
wkr = c[idx0] - c[startc + nc - kk];
wki = c[idx0] + c[startc + nc - kk];
xr = wki * a[idx1] - wkr * a[idx2];
a[idx1] = wkr * a[idx1] + wki * a[idx2];
a[idx2] = xr;
}
a[offa + m] *= c[startc];
}
public static void dctsub(long n, FloatLargeArray a, long offa, long nc, FloatLargeArray c, long startc)
{
long k, kk, ks, m;
float wkr, wki, xr;
long idx0, idx1, idx2;
m = n >> 1l;
ks = nc / n;
kk = 0;
for (long j = 1; j < m; j++) {
k = n - j;
kk += ks;
idx0 = startc + kk;
idx1 = offa + j;
idx2 = offa + k;
wkr = c.getFloat(idx0) - c.getFloat(startc + nc - kk);
wki = c.getFloat(idx0) + c.getFloat(startc + nc - kk);
xr = wki * a.getFloat(idx1) - wkr * a.getFloat(idx2);
a.setFloat(idx1, wkr * a.getFloat(idx1) + wki * a.getFloat(idx2));
a.setFloat(idx2, xr);
}
a.setFloat(offa + m, a.getFloat(offa + m) * c.getFloat(startc));
}
public static void scale(final int n, final double m, final double[] a, final int offa, boolean complex)
{
int nthreads = ConcurrencyUtils.getNumberOfThreads();
int n2;
if (complex) {
n2 = 2 * n;
} else {
n2 = n;
}
if ((nthreads > 1) && (n2 > ConcurrencyUtils.getThreadsBeginN_1D_FFT_2Threads())) {
nthreads = 2;
final int k = n2 / nthreads;
Future>[] futures = new Future[nthreads];
for (int i = 0; i < nthreads; i++) {
final int firstIdx = offa + i * k;
final int lastIdx = (i == (nthreads - 1)) ? offa + n2 : firstIdx + k;
futures[i] = ConcurrencyUtils.submit(new Runnable()
{
public void run()
{
for (int i = firstIdx; i < lastIdx; i++) {
a[i] *= m;
}
}
});
}
ConcurrencyUtils.waitForCompletion(futures);
} else {
int firstIdx = offa;
int lastIdx = offa + n2;
for (int i = firstIdx; i < lastIdx; i++) {
a[i] *= m;
}
}
}
public static void scale(final long nl, final double m, final DoubleLargeArray a, long offa, boolean complex)
{
int nthreads = ConcurrencyUtils.getNumberOfThreads();
long n2;
if (complex) {
n2 = 2 * nl;
} else {
n2 = nl;
}
if ((nthreads > 1) && (n2 >= ConcurrencyUtils.getThreadsBeginN_1D_FFT_2Threads())) {
final long k = n2 / nthreads;
Future>[] futures = new Future[nthreads];
for (int i = 0; i < nthreads; i++) {
final long firstIdx = offa + i * k;
final long lastIdx = (i == (nthreads - 1)) ? offa + n2 : firstIdx + k;
futures[i] = ConcurrencyUtils.submit(new Runnable()
{
public void run()
{
for (long i = firstIdx; i < lastIdx; i++) {
a.setDouble(i, a.getDouble(i) * m);
}
}
});
}
ConcurrencyUtils.waitForCompletion(futures);
} else {
for (long i = offa; i < offa + n2; i++) {
a.setDouble(i, a.getDouble(i) * m);
}
}
}
public static void scale(final int n, final float m, final float[] a, final int offa, boolean complex)
{
int nthreads = ConcurrencyUtils.getNumberOfThreads();
int n2;
if (complex) {
n2 = 2 * n;
} else {
n2 = n;
}
if ((nthreads > 1) && (n2 > ConcurrencyUtils.getThreadsBeginN_1D_FFT_2Threads())) {
nthreads = 2;
final int k = n2 / nthreads;
Future>[] futures = new Future[nthreads];
for (int i = 0; i < nthreads; i++) {
final int firstIdx = offa + i * k;
final int lastIdx = (i == (nthreads - 1)) ? offa + n2 : firstIdx + k;
futures[i] = ConcurrencyUtils.submit(new Runnable()
{
public void run()
{
for (int i = firstIdx; i < lastIdx; i++) {
a[i] *= m;
}
}
});
}
ConcurrencyUtils.waitForCompletion(futures);
} else {
int firstIdx = offa;
int lastIdx = offa + n2;
for (int i = firstIdx; i < lastIdx; i++) {
a[i] *= m;
}
}
}
public static void scale(final long nl, final float m, final FloatLargeArray a, long offa, boolean complex)
{
int nthreads = ConcurrencyUtils.getNumberOfThreads();
long n2;
if (complex) {
n2 = 2 * nl;
} else {
n2 = nl;
}
if ((nthreads > 1) && (n2 >= ConcurrencyUtils.getThreadsBeginN_1D_FFT_2Threads())) {
final long k = n2 / nthreads;
Future>[] futures = new Future[nthreads];
for (int i = 0; i < nthreads; i++) {
final long firstIdx = offa + i * k;
final long lastIdx = (i == (nthreads - 1)) ? offa + n2 : firstIdx + k;
futures[i] = ConcurrencyUtils.submit(new Runnable()
{
public void run()
{
for (long i = firstIdx; i < lastIdx; i++) {
a.setDouble(i, a.getDouble(i) * m);
}
}
});
}
ConcurrencyUtils.waitForCompletion(futures);
} else {
for (long i = offa; i < offa + n2; i++) {
a.setDouble(i, a.getDouble(i) * m);
}
}
}
}
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