org.teavm.backend.javascript.long.js Maven / Gradle / Ivy
/*
* Copyright 2018 Alexey Andreev.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
"use strict";
var Long_eq;
var Long_ne;
var Long_gt;
var Long_ge;
var Long_lt;
var Long_le;
var Long_compare;
var Long_add;
var Long_sub;
var Long_inc;
var Long_dec;
var Long_mul;
var Long_div;
var Long_rem;
var Long_udiv;
var Long_urem;
var Long_neg;
var Long_and;
var Long_or;
var Long_xor;
var Long_shl;
var Long_shr;
var Long_shru;
var Long_not;
if (typeof BigInt !== 'function') {
Long_eq = function(a, b) {
return a.hi === b.hi && a.lo === b.lo;
}
Long_ne = function(a, b) {
return a.hi !== b.hi || a.lo !== b.lo;
}
Long_gt = function(a, b) {
if (a.hi < b.hi) {
return false;
}
if (a.hi > b.hi) {
return true;
}
var x = a.lo >>> 1;
var y = b.lo >>> 1;
if (x !== y) {
return x > y;
}
return (a.lo & 1) > (b.lo & 1);
}
Long_ge = function(a, b) {
if (a.hi < b.hi) {
return false;
}
if (a.hi > b.hi) {
return true;
}
var x = a.lo >>> 1;
var y = b.lo >>> 1;
if (x !== y) {
return x >= y;
}
return (a.lo & 1) >= (b.lo & 1);
}
Long_lt = function(a, b) {
if (a.hi > b.hi) {
return false;
}
if (a.hi < b.hi) {
return true;
}
var x = a.lo >>> 1;
var y = b.lo >>> 1;
if (x !== y) {
return x < y;
}
return (a.lo & 1) < (b.lo & 1);
}
Long_le = function(a, b) {
if (a.hi > b.hi) {
return false;
}
if (a.hi < b.hi) {
return true;
}
var x = a.lo >>> 1;
var y = b.lo >>> 1;
if (x !== y) {
return x <= y;
}
return (a.lo & 1) <= (b.lo & 1);
}
Long_add = function(a, b) {
if (a.hi === (a.lo >> 31) && b.hi === (b.lo >> 31)) {
return Long_fromNumber(a.lo + b.lo);
} else if (Math.abs(a.hi) < Long_MAX_NORMAL && Math.abs(b.hi) < Long_MAX_NORMAL) {
return Long_fromNumber(Long_toNumber(a) + Long_toNumber(b));
}
var a_lolo = a.lo & 0xFFFF;
var a_lohi = a.lo >>> 16;
var a_hilo = a.hi & 0xFFFF;
var a_hihi = a.hi >>> 16;
var b_lolo = b.lo & 0xFFFF;
var b_lohi = b.lo >>> 16;
var b_hilo = b.hi & 0xFFFF;
var b_hihi = b.hi >>> 16;
var lolo = (a_lolo + b_lolo) | 0;
var lohi = (a_lohi + b_lohi + (lolo >> 16)) | 0;
var hilo = (a_hilo + b_hilo + (lohi >> 16)) | 0;
var hihi = (a_hihi + b_hihi + (hilo >> 16)) | 0;
return new Long((lolo & 0xFFFF) | ((lohi & 0xFFFF) << 16), (hilo & 0xFFFF) | ((hihi & 0xFFFF) << 16));
}
Long_inc = function(a) {
var lo = (a.lo + 1) | 0;
var hi = a.hi;
if (lo === 0) {
hi = (hi + 1) | 0;
}
return new Long(lo, hi);
}
Long_dec = function(a) {
var lo = (a.lo - 1) | 0;
var hi = a.hi;
if (lo === -1) {
hi = (hi - 1) | 0;
}
return new Long(lo, hi);
}
Long_neg = function(a) {
return Long_inc(new Long(a.lo ^ 0xFFFFFFFF, a.hi ^ 0xFFFFFFFF));
}
Long_sub = function(a, b) {
if (a.hi === (a.lo >> 31) && b.hi === (b.lo >> 31)) {
return Long_fromNumber(a.lo - b.lo);
}
var a_lolo = a.lo & 0xFFFF;
var a_lohi = a.lo >>> 16;
var a_hilo = a.hi & 0xFFFF;
var a_hihi = a.hi >>> 16;
var b_lolo = b.lo & 0xFFFF;
var b_lohi = b.lo >>> 16;
var b_hilo = b.hi & 0xFFFF;
var b_hihi = b.hi >>> 16;
var lolo = (a_lolo - b_lolo) | 0;
var lohi = (a_lohi - b_lohi + (lolo >> 16)) | 0;
var hilo = (a_hilo - b_hilo + (lohi >> 16)) | 0;
var hihi = (a_hihi - b_hihi + (hilo >> 16)) | 0;
return new Long((lolo & 0xFFFF) | ((lohi & 0xFFFF) << 16), (hilo & 0xFFFF) | ((hihi & 0xFFFF) << 16));
}
Long_compare = function(a, b) {
var r = a.hi - b.hi;
if (r !== 0) {
return r;
}
r = (a.lo >>> 1) - (b.lo >>> 1);
if (r !== 0) {
return r;
}
return (a.lo & 1) - (b.lo & 1);
}
Long_mul = function(a, b) {
var positive = Long_isNegative(a) === Long_isNegative(b);
if (Long_isNegative(a)) {
a = Long_neg(a);
}
if (Long_isNegative(b)) {
b = Long_neg(b);
}
var a_lolo = a.lo & 0xFFFF;
var a_lohi = a.lo >>> 16;
var a_hilo = a.hi & 0xFFFF;
var a_hihi = a.hi >>> 16;
var b_lolo = b.lo & 0xFFFF;
var b_lohi = b.lo >>> 16;
var b_hilo = b.hi & 0xFFFF;
var b_hihi = b.hi >>> 16;
var lolo = 0;
var lohi = 0;
var hilo = 0;
var hihi = 0;
lolo = (a_lolo * b_lolo) | 0;
lohi = lolo >>> 16;
lohi = ((lohi & 0xFFFF) + a_lohi * b_lolo) | 0;
hilo = (hilo + (lohi >>> 16)) | 0;
lohi = ((lohi & 0xFFFF) + a_lolo * b_lohi) | 0;
hilo = (hilo + (lohi >>> 16)) | 0;
hihi = hilo >>> 16;
hilo = ((hilo & 0xFFFF) + a_hilo * b_lolo) | 0;
hihi = (hihi + (hilo >>> 16)) | 0;
hilo = ((hilo & 0xFFFF) + a_lohi * b_lohi) | 0;
hihi = (hihi + (hilo >>> 16)) | 0;
hilo = ((hilo & 0xFFFF) + a_lolo * b_hilo) | 0;
hihi = (hihi + (hilo >>> 16)) | 0;
hihi = (hihi + a_hihi * b_lolo + a_hilo * b_lohi + a_lohi * b_hilo + a_lolo * b_hihi) | 0;
var result = new Long((lolo & 0xFFFF) | (lohi << 16), (hilo & 0xFFFF) | (hihi << 16));
return positive ? result : Long_neg(result);
}
Long_div = function(a, b) {
if (Math.abs(a.hi) < Long_MAX_NORMAL && Math.abs(b.hi) < Long_MAX_NORMAL) {
return Long_fromNumber(Long_toNumber(a) / Long_toNumber(b));
}
return Long_divRem(a, b)[0];
}
Long_udiv = function(a, b) {
if (a.hi >= 0 && a.hi < Long_MAX_NORMAL && b.hi >= 0 && b.hi < Long_MAX_NORMAL) {
return Long_fromNumber(Long_toNumber(a) / Long_toNumber(b));
}
return Long_udivRem(a, b)[0];
}
Long_rem = function(a, b) {
if (Math.abs(a.hi) < Long_MAX_NORMAL && Math.abs(b.hi) < Long_MAX_NORMAL) {
return Long_fromNumber(Long_toNumber(a) % Long_toNumber(b));
}
return Long_divRem(a, b)[1];
}
Long_urem = function(a, b) {
if (a.hi >= 0 && a.hi < Long_MAX_NORMAL && b.hi >= 0 && b.hi < Long_MAX_NORMAL) {
return Long_fromNumber(Long_toNumber(a) / Long_toNumber(b));
}
return Long_udivRem(a, b)[1];
}
function Long_divRem(a, b) {
if (b.lo === 0 && b.hi === 0) {
throw new Error("Division by zero");
}
var positive = Long_isNegative(a) === Long_isNegative(b);
if (Long_isNegative(a)) {
a = Long_neg(a);
}
if (Long_isNegative(b)) {
b = Long_neg(b);
}
a = new LongInt(a.lo, a.hi, 0);
b = new LongInt(b.lo, b.hi, 0);
var q = LongInt_div(a, b);
a = new Long(a.lo, a.hi);
q = new Long(q.lo, q.hi);
return positive ? [q, a] : [Long_neg(q), Long_neg(a)];
}
function Long_udivRem(a, b) {
if (b.lo === 0 && b.hi === 0) {
throw new Error("Division by zero");
}
a = new LongInt(a.lo, a.hi, 0);
b = new LongInt(b.lo, b.hi, 0);
var q = LongInt_div(a, b);
a = new Long(a.lo, a.hi);
q = new Long(q.lo, q.hi);
return [q, a];
}
function Long_shiftLeft16(a) {
return new Long(a.lo << 16, (a.lo >>> 16) | (a.hi << 16));
}
function Long_shiftRight16(a) {
return new Long((a.lo >>> 16) | (a.hi << 16), a.hi >>> 16);
}
Long_and = function(a, b) {
return new Long(a.lo & b.lo, a.hi & b.hi);
}
Long_or = function(a, b) {
return new Long(a.lo | b.lo, a.hi | b.hi);
}
Long_xor = function(a, b) {
return new Long(a.lo ^ b.lo, a.hi ^ b.hi);
}
Long_shl = function(a, b) {
b &= 63;
if (b === 0) {
return a;
} else if (b < 32) {
return new Long(a.lo << b, (a.lo >>> (32 - b)) | (a.hi << b));
} else if (b === 32) {
return new Long(0, a.lo);
} else {
return new Long(0, a.lo << (b - 32));
}
}
Long_shr = function(a, b) {
b &= 63;
if (b === 0) {
return a;
} else if (b < 32) {
return new Long((a.lo >>> b) | (a.hi << (32 - b)), a.hi >> b);
} else if (b === 32) {
return new Long(a.hi, a.hi >> 31);
} else {
return new Long((a.hi >> (b - 32)), a.hi >> 31);
}
}
Long_shru = function(a, b) {
b &= 63;
if (b === 0) {
return a;
} else if (b < 32) {
return new Long((a.lo >>> b) | (a.hi << (32 - b)), a.hi >>> b);
} else if (b === 32) {
return new Long(a.hi, 0);
} else {
return new Long((a.hi >>> (b - 32)), 0);
}
}
Long_not = function(a) {
return new Long(~a.hi, ~a.lo);
}
// Represents a mutable 80-bit unsigned integer
function LongInt(lo, hi, sup) {
this.lo = lo;
this.hi = hi;
this.sup = sup;
}
function LongInt_mul(a, b) {
var a_lolo = ((a.lo & 0xFFFF) * b) | 0;
var a_lohi = ((a.lo >>> 16) * b) | 0;
var a_hilo = ((a.hi & 0xFFFF) * b) | 0;
var a_hihi = ((a.hi >>> 16) * b) | 0;
var sup = (a.sup * b) | 0;
a_lohi = (a_lohi + (a_lolo >>> 16)) | 0;
a_hilo = (a_hilo + (a_lohi >>> 16)) | 0;
a_hihi = (a_hihi + (a_hilo >>> 16)) | 0;
sup = (sup + (a_hihi >>> 16)) | 0;
a.lo = (a_lolo & 0xFFFF) | (a_lohi << 16);
a.hi = (a_hilo & 0xFFFF) | (a_hihi << 16);
a.sup = sup & 0xFFFF;
}
function LongInt_sub(a, b) {
var a_lolo = a.lo & 0xFFFF;
var a_lohi = a.lo >>> 16;
var a_hilo = a.hi & 0xFFFF;
var a_hihi = a.hi >>> 16;
var b_lolo = b.lo & 0xFFFF;
var b_lohi = b.lo >>> 16;
var b_hilo = b.hi & 0xFFFF;
var b_hihi = b.hi >>> 16;
a_lolo = (a_lolo - b_lolo) | 0;
a_lohi = (a_lohi - b_lohi + (a_lolo >> 16)) | 0;
a_hilo = (a_hilo - b_hilo + (a_lohi >> 16)) | 0;
a_hihi = (a_hihi - b_hihi + (a_hilo >> 16)) | 0;
var sup = (a.sup - b.sup + (a_hihi >> 16)) | 0;
a.lo = (a_lolo & 0xFFFF) | (a_lohi << 16);
a.hi = (a_hilo & 0xFFFF) | (a_hihi << 16);
a.sup = sup;
}
function LongInt_add(a, b) {
var a_lolo = a.lo & 0xFFFF;
var a_lohi = a.lo >>> 16;
var a_hilo = a.hi & 0xFFFF;
var a_hihi = a.hi >>> 16;
var b_lolo = b.lo & 0xFFFF;
var b_lohi = b.lo >>> 16;
var b_hilo = b.hi & 0xFFFF;
var b_hihi = b.hi >>> 16;
a_lolo = (a_lolo + b_lolo) | 0;
a_lohi = (a_lohi + b_lohi + (a_lolo >> 16)) | 0;
a_hilo = (a_hilo + b_hilo + (a_lohi >> 16)) | 0;
a_hihi = (a_hihi + b_hihi + (a_hilo >> 16)) | 0;
var sup = (a.sup + b.sup + (a_hihi >> 16)) | 0;
a.lo = (a_lolo & 0xFFFF) | (a_lohi << 16);
a.hi = (a_hilo & 0xFFFF) | (a_hihi << 16);
a.sup = sup;
}
function LongInt_inc(a) {
a.lo = (a.lo + 1) | 0;
if (a.lo === 0) {
a.hi = (a.hi + 1) | 0;
if (a.hi === 0) {
a.sup = (a.sup + 1) & 0xFFFF;
}
}
}
function LongInt_dec(a) {
a.lo = (a.lo - 1) | 0;
if (a.lo === -1) {
a.hi = (a.hi - 1) | 0;
if (a.hi === -1) {
a.sup = (a.sup - 1) & 0xFFFF;
}
}
}
function LongInt_ucompare(a, b) {
var r = (a.sup - b.sup);
if (r !== 0) {
return r;
}
r = (a.hi >>> 1) - (b.hi >>> 1);
if (r !== 0) {
return r;
}
r = (a.hi & 1) - (b.hi & 1);
if (r !== 0) {
return r;
}
r = (a.lo >>> 1) - (b.lo >>> 1);
if (r !== 0) {
return r;
}
return (a.lo & 1) - (b.lo & 1);
}
function LongInt_numOfLeadingZeroBits(a) {
var n = 0;
var d = 16;
while (d > 0) {
if ((a >>> d) !== 0) {
a >>>= d;
n = (n + d) | 0;
}
d = (d / 2) | 0;
}
return 31 - n;
}
function LongInt_shl(a, b) {
if (b === 0) {
return;
}
if (b < 32) {
a.sup = ((a.hi >>> (32 - b)) | (a.sup << b)) & 0xFFFF;
a.hi = (a.lo >>> (32 - b)) | (a.hi << b);
a.lo <<= b;
} else if (b === 32) {
a.sup = a.hi & 0xFFFF;
a.hi = a.lo;
a.lo = 0;
} else if (b < 64) {
a.sup = ((a.lo >>> (64 - b)) | (a.hi << (b - 32))) & 0xFFFF;
a.hi = a.lo << b;
a.lo = 0;
} else if (b === 64) {
a.sup = a.lo & 0xFFFF;
a.hi = 0;
a.lo = 0;
} else {
a.sup = (a.lo << (b - 64)) & 0xFFFF;
a.hi = 0;
a.lo = 0;
}
}
function LongInt_shr(a, b) {
if (b === 0) {
return;
}
if (b === 32) {
a.lo = a.hi;
a.hi = a.sup;
a.sup = 0;
} else if (b < 32) {
a.lo = (a.lo >>> b) | (a.hi << (32 - b));
a.hi = (a.hi >>> b) | (a.sup << (32 - b));
a.sup >>>= b;
} else if (b === 64) {
a.lo = a.sup;
a.hi = 0;
a.sup = 0;
} else if (b < 64) {
a.lo = (a.hi >>> (b - 32)) | (a.sup << (64 - b));
a.hi = a.sup >>> (b - 32);
a.sup = 0;
} else {
a.lo = a.sup >>> (b - 64);
a.hi = 0;
a.sup = 0;
}
}
function LongInt_copy(a) {
return new LongInt(a.lo, a.hi, a.sup);
}
function LongInt_div(a, b) {
// Normalize divisor
var bits = b.hi !== 0 ? LongInt_numOfLeadingZeroBits(b.hi) : LongInt_numOfLeadingZeroBits(b.lo) + 32;
var sz = 1 + ((bits / 16) | 0);
var dividentBits = bits % 16;
LongInt_shl(b, bits);
LongInt_shl(a, dividentBits);
var q = new LongInt(0, 0, 0);
while (sz-- > 0) {
LongInt_shl(q, 16);
// Calculate approximate q
var digitA = (a.hi >>> 16) + (0x10000 * a.sup);
var digitB = b.hi >>> 16;
var digit = (digitA / digitB) | 0;
var t = LongInt_copy(b);
LongInt_mul(t, digit);
// Adjust q either down or up
if (LongInt_ucompare(t, a) >= 0) {
while (LongInt_ucompare(t, a) > 0) {
LongInt_sub(t, b);
--digit;
}
} else {
while (true) {
var nextT = LongInt_copy(t);
LongInt_add(nextT, b);
if (LongInt_ucompare(nextT, a) > 0) {
break;
}
t = nextT;
++digit;
}
}
LongInt_sub(a, t);
q.lo |= digit;
LongInt_shl(a, 16);
}
LongInt_shr(a, bits + 16);
return q;
}
} else {
Long_eq = function(a, b) {
return a === b;
}
Long_ne = function(a, b) {
return a !== b;
}
Long_gt = function(a, b) {
return a > b;
}
Long_ge = function(a, b) {
return a >= b;
}
Long_lt = function(a, b) {
return a < b;
}
Long_le = function(a, b) {
return a <= b;
}
Long_add = function(a, b) {
return BigInt.asIntN(64, a + b);
}
Long_inc = function(a) {
return BigInt.asIntN(64, a + 1);
}
Long_dec = function(a) {
return BigInt.asIntN(64, a - 1);
}
Long_neg = function(a) {
return BigInt.asIntN(64, -a);
}
Long_sub = function(a, b) {
return BigInt.asIntN(64, a - b);
}
Long_compare = function(a, b) {
return a < b ? -1 : a > b ? 1 : 0;
}
Long_mul = function(a, b) {
return BigInt.asIntN(64, a * b);
}
Long_div = function(a, b) {
return BigInt.asIntN(64, a / b);
}
Long_udiv = function(a, b) {
return BigInt.asIntN(64, BigInt.asUintN(64, a) / BigInt.asUintN(64, b));
}
Long_rem = function(a, b) {
return BigInt.asIntN(64, a % b);
}
Long_urem = function(a, b) {
return BigInt.asIntN(64, BigInt.asUintN(64, a) % BigInt.asUintN(64, b));
}
Long_and = function(a, b) {
return BigInt.asIntN(64, a & b);
}
Long_or = function(a, b) {
return BigInt.asIntN(64, a | b);
}
Long_xor = function(a, b) {
return BigInt.asIntN(64, a ^ b);
}
Long_shl = function(a, b) {
return BigInt.asIntN(64, a << BigInt(b & 63));
}
Long_shr = function(a, b) {
return BigInt.asIntN(64, a >> BigInt(b & 63));
}
Long_shru = function(a, b) {
return BigInt.asIntN(64, BigInt.asUintN(64, a) >> BigInt(b & 63));
}
Long_not = function(a) {
return BigInt.asIntN(64, ~a);
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy