/**
* @param data
* @param copy
*/
public BaseDataBuffer(int[] data, boolean copy) {
allocationMode = AllocUtil.getAllocationModeFromContext();
initTypeAndSize();
pointer = new IntPointer(data);
indexer = IntIndexer.create((IntPointer) pointer);
wrappedBuffer = pointer.asByteBuffer();
length = data.length;
underlyingLength = data.length;
}
/**
* Create a data buffer from the given length
*
* @param buffer
* @param length
*/
public BaseDataBuffer(ByteBuffer buffer, long length) {
if (length < 1) throw new IllegalArgumentException("Length must be >= 1");
initTypeAndSize();
this.length = length;
allocationMode = AllocUtil.getAllocationModeFromContext();
if (dataType() == Type.DOUBLE) {
pointer = new DoublePointer(buffer.asDoubleBuffer());
indexer = DoubleIndexer.create((DoublePointer) pointer);
} else if (dataType() == Type.FLOAT) {
pointer = new FloatPointer(buffer.asFloatBuffer());
indexer = FloatIndexer.create((FloatPointer) pointer);
} else if (dataType() == Type.INT) {
pointer = new IntPointer(buffer.asIntBuffer());
indexer = IntIndexer.create((IntPointer) pointer);
}
}
/**
* @param length
* @param elementSize
*/
public BaseDataBuffer(long length, int elementSize) {
if (length < 1) throw new IllegalArgumentException("Length must be >= 1");
initTypeAndSize();
allocationMode = AllocUtil.getAllocationModeFromContext();
this.length = length;
this.underlyingLength = length;
this.elementSize = elementSize;
if (dataType() == Type.DOUBLE) {
pointer = new DoublePointer(length);
indexer = DoubleIndexer.create((DoublePointer) pointer);
} else if (dataType() == Type.FLOAT) {
pointer = new FloatPointer(length);
indexer = FloatIndexer.create((FloatPointer) pointer);
} else if (dataType() == Type.INT) {
pointer = new IntPointer(length);
indexer = IntIndexer.create((IntPointer) pointer);
}
}
protected BaseDataBuffer(long length, boolean initialize) {
if (length < 1) throw new IllegalArgumentException("Length must be >= 1");
initTypeAndSize();
this.length = length;
this.underlyingLength = length;
allocationMode = AllocUtil.getAllocationModeFromContext();
if (length < 0) throw new IllegalArgumentException("Unable to create a buffer of length <= 0");
if (dataType() == Type.DOUBLE) {
pointer = new DoublePointer(length());
indexer = DoubleIndexer.create((DoublePointer) pointer);
if (initialize) fillPointerWithZero();
} else if (dataType() == Type.FLOAT) {
pointer = new FloatPointer(length());
indexer = FloatIndexer.create((FloatPointer) pointer);
if (initialize) fillPointerWithZero();
} else if (dataType() == Type.INT) {
pointer = new IntPointer(length());
indexer = IntIndexer.create((IntPointer) pointer);
if (initialize) fillPointerWithZero();
}
}