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/*
* Copyright (c) 2000, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
// -- This file was mechanically generated: Do not edit! -- //
package java.nio;
import java.util.Objects;
import jdk.internal.access.foreign.MemorySegmentProxy;
/**
* A read/write HeapFloatBuffer.
*/
class HeapFloatBuffer
extends FloatBuffer
{
// Cached array base offset
private static final long ARRAY_BASE_OFFSET = UNSAFE.arrayBaseOffset(float[].class);
// Cached array index scale
private static final long ARRAY_INDEX_SCALE = UNSAFE.arrayIndexScale(float[].class);
// For speed these fields are actually declared in X-Buffer;
// these declarations are here as documentation
/*
protected final float[] hb;
protected final int offset;
*/
HeapFloatBuffer(int cap, int lim, MemorySegmentProxy segment) { // package-private
super(-1, 0, lim, cap, new float[cap], 0, segment);
/*
hb = new float[cap];
offset = 0;
*/
this.address = ARRAY_BASE_OFFSET;
}
HeapFloatBuffer(float[] buf, int off, int len, MemorySegmentProxy segment) { // package-private
super(-1, off, off + len, buf.length, buf, 0, segment);
/*
hb = buf;
offset = 0;
*/
this.address = ARRAY_BASE_OFFSET;
}
protected HeapFloatBuffer(float[] buf,
int mark, int pos, int lim, int cap,
int off, MemorySegmentProxy segment)
{
super(mark, pos, lim, cap, buf, off, segment);
/*
hb = buf;
offset = off;
*/
this.address = ARRAY_BASE_OFFSET + off * ARRAY_INDEX_SCALE;
}
public FloatBuffer slice() {
int pos = this.position();
int lim = this.limit();
int rem = (pos <= lim ? lim - pos : 0);
return new HeapFloatBuffer(hb,
-1,
0,
rem,
rem,
pos + offset, segment);
}
@Override
public FloatBuffer slice(int index, int length) {
Objects.checkFromIndexSize(index, length, limit());
return new HeapFloatBuffer(hb,
-1,
0,
length,
length,
index + offset, segment);
}
public FloatBuffer duplicate() {
return new HeapFloatBuffer(hb,
this.markValue(),
this.position(),
this.limit(),
this.capacity(),
offset, segment);
}
public FloatBuffer asReadOnlyBuffer() {
return new HeapFloatBufferR(hb,
this.markValue(),
this.position(),
this.limit(),
this.capacity(),
offset, segment);
}
protected int ix(int i) {
return i + offset;
}
public float get() {
return hb[ix(nextGetIndex())];
}
public float get(int i) {
return hb[ix(checkIndex(i))];
}
public FloatBuffer get(float[] dst, int offset, int length) {
checkScope();
Objects.checkFromIndexSize(offset, length, dst.length);
int pos = position();
if (length > limit() - pos)
throw new BufferUnderflowException();
System.arraycopy(hb, ix(pos), dst, offset, length);
position(pos + length);
return this;
}
public FloatBuffer get(int index, float[] dst, int offset, int length) {
checkScope();
Objects.checkFromIndexSize(index, length, limit());
Objects.checkFromIndexSize(offset, length, dst.length);
System.arraycopy(hb, ix(index), dst, offset, length);
return this;
}
public boolean isDirect() {
return false;
}
public boolean isReadOnly() {
return false;
}
public FloatBuffer put(float x) {
hb[ix(nextPutIndex())] = x;
return this;
}
public FloatBuffer put(int i, float x) {
hb[ix(checkIndex(i))] = x;
return this;
}
public FloatBuffer put(float[] src, int offset, int length) {
checkScope();
Objects.checkFromIndexSize(offset, length, src.length);
int pos = position();
if (length > limit() - pos)
throw new BufferOverflowException();
System.arraycopy(src, offset, hb, ix(pos), length);
position(pos + length);
return this;
}
public FloatBuffer put(FloatBuffer src) {
checkScope();
super.put(src);
return this;
}
public FloatBuffer put(int index, FloatBuffer src, int offset, int length) {
checkScope();
super.put(index, src, offset, length);
return this;
}
public FloatBuffer put(int index, float[] src, int offset, int length) {
checkScope();
Objects.checkFromIndexSize(index, length, limit());
Objects.checkFromIndexSize(offset, length, src.length);
System.arraycopy(src, offset, hb, ix(index), length);
return this;
}
public FloatBuffer compact() {
int pos = position();
int lim = limit();
assert (pos <= lim);
int rem = (pos <= lim ? lim - pos : 0);
System.arraycopy(hb, ix(pos), hb, ix(0), rem);
position(rem);
limit(capacity());
discardMark();
return this;
}
public ByteOrder order() {
return ByteOrder.nativeOrder();
}
}
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