Class HalfIndexer

java.lang.Object

org.bytedeco.javacpp.indexer.Indexer

org.bytedeco.javacpp.indexer.HalfIndexer

All Implemented Interfaces:

AutoCloseable

Direct Known Subclasses:

HalfArrayIndexer, HalfBufferIndexer, HalfRawIndexer

public abstract class HalfIndexer
extends Indexer

Abstract indexer for the short primitive type, treated as half-precision float.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	VALUE_BYTES	The number of bytes used to represent a short.

Fields inherited from class Indexer

index, indexable, sizes, strides

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	HalfIndexer(long[] sizes, long[] strides)
protected	HalfIndexer(Index index)

Method Summary

Modifier and Type	Method	Description
static HalfIndexer	create(short[] array)	Returns new HalfArrayIndexer(array)
static HalfIndexer	create(short[] array, long... sizes)	Returns new HalfArrayIndexer(array, sizes)
static HalfIndexer	create(short[] array, long[] sizes, long[] strides)	Returns new HalfArrayIndexer(array, sizes, strides)
static HalfIndexer	create(short[] array, Index index)	Returns new HalfArrayIndexer(array, index)
static HalfIndexer	create(ShortBuffer buffer)	Returns new HalfBufferIndexer(buffer)
static HalfIndexer	create(ShortBuffer buffer, long... sizes)	Returns new HalfBufferIndexer(buffer, sizes)
static HalfIndexer	create(ShortBuffer buffer, long[] sizes, long[] strides)	Returns new HalfBufferIndexer(buffer, sizes, strides)
static HalfIndexer	create(ShortBuffer buffer, Index index)	Returns new HalfBufferIndexer(buffer, index)
static HalfIndexer	create(ShortPointer pointer)	Returns new HalfRawIndexer(pointer)
static HalfIndexer	create(ShortPointer pointer, long... sizes)	Returns new HalfRawIndexer(pointer, sizes)
static HalfIndexer	create(ShortPointer pointer, long[] sizes, long[] strides)	Returns new HalfRawIndexer(pointer, sizes, strides)
static HalfIndexer	create(ShortPointer pointer, long[] sizes, long[] strides, boolean direct)	Returns create(pointer, Index.create(sizes, strides), direct)
static HalfIndexer	create(ShortPointer pointer, Index index)	Returns new HalfRawIndexer(pointer, index)
static HalfIndexer	create(ShortPointer pointer, Index index, boolean direct)	Creates a half float indexer to access efficiently the data of a pointer.
static int	fromFloat(float fval)	returns all higher 16 bits as 0 for all results
abstract float	get(long i)	Returns array/buffer[index(i)]
abstract float	get(long... indices)	Returns array/buffer[index(indices)]
HalfIndexer	get(long[] indices, float[] h)	Returns this where h = array/buffer[index(indices)]
abstract HalfIndexer	get(long[] indices, float[] h, int offset, int length)	Returns this where h[offset:offset + length] = array/buffer[index(indices)]
HalfIndexer	get(long i, float[] h)	Returns this where h = array/buffer[index(i)]
abstract HalfIndexer	get(long i, float[] h, int offset, int length)	Returns this where h[offset:offset + length] = array/buffer[index(i)]
abstract float	get(long i, long j)	Returns array/buffer[index(i, j)]
HalfIndexer	get(long i, long j, float[] h)	Returns this where h = array/buffer[index(i, j)]
abstract HalfIndexer	get(long i, long j, float[] h, int offset, int length)	Returns this where h[offset:offset + length] = array/buffer[index(i, j)]
abstract float	get(long i, long j, long k)	Returns array/buffer[index(i, j, k)]
double	getDouble(long... indices)	Calls get(int...indices) and returns the value as a double.
abstract HalfIndexer	put(long[] indices, float h)	Returns this where array/buffer[index(indices)] = h
HalfIndexer	put(long[] indices, float... h)	Returns this where array/buffer[index(indices)] = h
abstract HalfIndexer	put(long[] indices, float[] h, int offset, int length)	Returns this where array/buffer[index(indices)] = h[offset:offset + length]
abstract HalfIndexer	put(long i, float h)	Returns this where array/buffer[index(i)] = h
HalfIndexer	put(long i, float... h)	Returns this where array/buffer[index(i)] = h
abstract HalfIndexer	put(long i, float[] h, int offset, int length)	Returns this where array/buffer[index(i)] = h[offset:offset + length]
abstract HalfIndexer	put(long i, long j, float h)	Returns this where array/buffer[index(i, j)] = h
HalfIndexer	put(long i, long j, float... h)	Returns this where array/buffer[index(i, j)] = h
abstract HalfIndexer	put(long i, long j, float[] h, int offset, int length)	Returns this where array/buffer[index(i, j)] = h[offset:offset + length]
abstract HalfIndexer	put(long i, long j, long k, float h)	Returns this where array/buffer[index(i, j, k)] = h
HalfIndexer	putDouble(long[] indices, double h)	Casts value to primitive type and calls put(long[] indices, <type> value).
static float	toFloat(int hbits)	ignores the higher 16 bits

Methods inherited from class Indexer

array, buffer, channels, checkIndex, close, cols, height, index, index, index, index, indexable, indexable, pointer, rank, reindex, release, rows, size, sizes, stride, strides, strides, toString, width

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

VALUE_BYTES

public static final int VALUE_BYTES

The number of bytes used to represent a short.

See Also:

• Constant Field Values

Constructor Details

HalfIndexer

protected HalfIndexer(Index index)

HalfIndexer

protected HalfIndexer(long[] sizes,
 long[] strides)

Method Details

create

public static HalfIndexer create(short[] array)

Returns new HalfArrayIndexer(array)

create

public static HalfIndexer create(ShortBuffer buffer)

Returns new HalfBufferIndexer(buffer)

create

public static HalfIndexer create(ShortPointer pointer)

Returns new HalfRawIndexer(pointer)

create

public static HalfIndexer create(short[] array,
 Index index)

Returns new HalfArrayIndexer(array, index)

create

public static HalfIndexer create(ShortBuffer buffer,
 Index index)

Returns new HalfBufferIndexer(buffer, index)

create

public static HalfIndexer create(ShortPointer pointer,
 Index index)

Returns new HalfRawIndexer(pointer, index)

create

public static HalfIndexer create(short[] array,
 long... sizes)

Returns new HalfArrayIndexer(array, sizes)

create

public static HalfIndexer create(ShortBuffer buffer,
 long... sizes)

Returns new HalfBufferIndexer(buffer, sizes)

create

public static HalfIndexer create(ShortPointer pointer,
 long... sizes)

Returns new HalfRawIndexer(pointer, sizes)

create

public static HalfIndexer create(short[] array,
 long[] sizes,
 long[] strides)

Returns new HalfArrayIndexer(array, sizes, strides)

create

public static HalfIndexer create(ShortBuffer buffer,
 long[] sizes,
 long[] strides)

Returns new HalfBufferIndexer(buffer, sizes, strides)

create

public static HalfIndexer create(ShortPointer pointer,
 long[] sizes,
 long[] strides)

Returns new HalfRawIndexer(pointer, sizes, strides)

create

public static HalfIndexer create(ShortPointer pointer,
 long[] sizes,
 long[] strides,
 boolean direct)

Returns create(pointer, Index.create(sizes, strides), direct)

create

public static HalfIndexer create(ShortPointer pointer,
 Index index,
 boolean direct)

Creates a half float indexer to access efficiently the data of a pointer.

Parameters:

pointer - data to access via a buffer or to copy to an array

index - to use

direct - true to use a direct buffer, see Indexer for details

Returns:

the new half indexer backed by the raw memory interface, a buffer, or an array

toFloat

public static float toFloat(int hbits)

ignores the higher 16 bits

fromFloat

public static int fromFloat(float fval)

returns all higher 16 bits as 0 for all results

get

public abstract float get(long i)

Returns array/buffer[index(i)]

get

public HalfIndexer get(long i,
 float[] h)

Returns this where h = array/buffer[index(i)]

get

public abstract HalfIndexer get(long i,
 float[] h,
 int offset,
 int length)

Returns this where h[offset:offset + length] = array/buffer[index(i)]

get

public abstract float get(long i,
 long j)

Returns array/buffer[index(i, j)]

get

public HalfIndexer get(long i,
 long j,
 float[] h)

Returns this where h = array/buffer[index(i, j)]

get

public abstract HalfIndexer get(long i,
 long j,
 float[] h,
 int offset,
 int length)

Returns this where h[offset:offset + length] = array/buffer[index(i, j)]

get

public abstract float get(long i,
 long j,
 long k)

Returns array/buffer[index(i, j, k)]

get

public abstract float get(long... indices)

Returns array/buffer[index(indices)]

get

public HalfIndexer get(long[] indices,
 float[] h)

Returns this where h = array/buffer[index(indices)]

get

public abstract HalfIndexer get(long[] indices,
 float[] h,
 int offset,
 int length)

Returns this where h[offset:offset + length] = array/buffer[index(indices)]

put

public abstract HalfIndexer put(long i,
 float h)

Returns this where array/buffer[index(i)] = h

put

public HalfIndexer put(long i,
 float... h)

Returns this where array/buffer[index(i)] = h

put

public abstract HalfIndexer put(long i,
 float[] h,
 int offset,
 int length)

Returns this where array/buffer[index(i)] = h[offset:offset + length]

put

public abstract HalfIndexer put(long i,
 long j,
 float h)

Returns this where array/buffer[index(i, j)] = h

put

public HalfIndexer put(long i,
 long j,
 float... h)

Returns this where array/buffer[index(i, j)] = h

put

public abstract HalfIndexer put(long i,
 long j,
 float[] h,
 int offset,
 int length)

Returns this where array/buffer[index(i, j)] = h[offset:offset + length]

put

public abstract HalfIndexer put(long i,
 long j,
 long k,
 float h)

Returns this where array/buffer[index(i, j, k)] = h

put

public abstract HalfIndexer put(long[] indices,
 float h)

Returns this where array/buffer[index(indices)] = h

put

public HalfIndexer put(long[] indices,
 float... h)

Returns this where array/buffer[index(indices)] = h

put

public abstract HalfIndexer put(long[] indices,
 float[] h,
 int offset,
 int length)

Returns this where array/buffer[index(indices)] = h[offset:offset + length]

getDouble

public double getDouble(long... indices)

Description copied from class: Indexer

Calls get(int...indices) and returns the value as a double.

Specified by:

getDouble in class Indexer

putDouble

public HalfIndexer putDouble(long[] indices,
 double h)

Description copied from class: Indexer

Casts value to primitive type and calls put(long[] indices, <type> value).

Specified by:

putDouble in class Indexer