org.nd4j.linalg.api.buffer

Class DoubleBuffer

java.lang.Object

org.nd4j.linalg.api.buffer.BaseDataBuffer

org.nd4j.linalg.api.buffer.DoubleBuffer

All Implemented Interfaces:

Serializable, DataBuffer

public class DoubleBuffer
extends BaseDataBuffer

Double buffer implementation of data buffer

Author:

Adam Gibson

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.nd4j.linalg.api.buffer.DataBuffer

DataBuffer.AllocationMode, DataBuffer.Type, DataBuffer.TypeEx

Field Summary

Fields inherited from class org.nd4j.linalg.api.buffer.BaseDataBuffer

allocationMode, constant, dirty, elementSize, globalType, indexer, isPersist, length, offset, originalBuffer, originalOffset, pointer, referencing, trackingPoint, type, underlyingLength, wrappedBuffer, wrappedDataBuffer

Constructor Summary

Constructors

Constructor and Description
DoubleBuffer(byte[] data, int length)
DoubleBuffer(ByteBuffer buffer, int length)
DoubleBuffer(ByteBuffer buffer, int length, int offset)
DoubleBuffer(DataBuffer underlyingBuffer, long length, long offset)
DoubleBuffer(double[] data)
DoubleBuffer(double[] doubles, boolean copy)
DoubleBuffer(double[] data, boolean copy, int offset)
DoubleBuffer(float[] data)
DoubleBuffer(float[] data, boolean copyOnOps)
DoubleBuffer(float[] data, boolean copy, int offset)
DoubleBuffer(int[] data)
DoubleBuffer(int[] data, boolean copyOnOps)
DoubleBuffer(int[] data, boolean copy, int offset)
DoubleBuffer(int length, int elementSize)
DoubleBuffer(int length, int elementSize, int offset)
DoubleBuffer(long length)
DoubleBuffer(long length, boolean initialize)
DoubleBuffer(org.bytedeco.javacpp.Pointer pointer, org.bytedeco.javacpp.indexer.Indexer indexer, long length) Meant for creating another view of a buffer

Method Summary

Modifier and Type	Method and Description
DataBuffer	create(double[] data) Create the data buffer with respect to the given byte buffer
DataBuffer	create(float[] data) Create the data buffer with respect to the given byte buffer
DataBuffer	create(int[] data) Create the data buffer with respect to the given byte buffer
protected DataBuffer	create(long length) Create with length
void	flush() Flush the data buffer
IComplexDouble	getComplexDouble(long i) Get the complex double at the specified index
IComplexFloat	getComplexFloat(long i) Get the complex float
float	getFloat(long i) Get element i in the buffer as a double
Number	getNumber(long i) Get element i in the buffer as a double
protected void	initTypeAndSize() Initialize the type of this buffer

Methods inherited from class org.nd4j.linalg.api.buffer.BaseDataBuffer

addReferencing, address, addressPointer, allocationMode, array, asBytes, asDouble, asFloat, asInt, asNio, asNioDouble, asNioFloat, asNioInt, assign, assign, assign, assign, assign, assign, assign, assign, assign, assign, copyAtStride, dataType, destroy, dirty, doReadObject, dup, equals, fromFloat, getComplex, getDouble, getDoublesAt, getDoublesAt, getElementSize, getFloatsAt, getFloatsAt, getInt, getShort, getTrackingPoint, hashCode, indexer, isConstant, isPersist, length, offset, originalDataBuffer, originalOffset, persist, pointer, pointerIndexerByGlobalType, put, put, put, put, putByGlobalType, read, read, readContent, references, removeReferencing, sameUnderlyingData, setConstant, setData, setData, setData, setNioBuffer, setTrackingPoint, toString, underlyingDataBuffer, underlyingLength, unPersist, write, write

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

DoubleBuffer

public DoubleBuffer(org.bytedeco.javacpp.Pointer pointer,
                    org.bytedeco.javacpp.indexer.Indexer indexer,
                    long length)

Meant for creating another view of a buffer

Parameters:

pointer - the underlying buffer to create a view from

indexer - the indexer for the pointer

length - the length of the view

DoubleBuffer

public DoubleBuffer(long length)

DoubleBuffer

public DoubleBuffer(long length,
                    boolean initialize)

DoubleBuffer

public DoubleBuffer(int length,
                    int elementSize)

DoubleBuffer

public DoubleBuffer(int length,
                    int elementSize,
                    int offset)

DoubleBuffer

public DoubleBuffer(DataBuffer underlyingBuffer,
                    long length,
                    long offset)

DoubleBuffer

public DoubleBuffer(double[] data)

DoubleBuffer

public DoubleBuffer(int[] data)

DoubleBuffer

public DoubleBuffer(int[] data,
                    boolean copyOnOps)

DoubleBuffer

public DoubleBuffer(int[] data,
                    boolean copy,
                    int offset)

DoubleBuffer

public DoubleBuffer(float[] data)

DoubleBuffer

public DoubleBuffer(float[] data,
                    boolean copyOnOps)

DoubleBuffer

public DoubleBuffer(float[] data,
                    boolean copy,
                    int offset)

DoubleBuffer

public DoubleBuffer(ByteBuffer buffer,
                    int length)

DoubleBuffer

public DoubleBuffer(ByteBuffer buffer,
                    int length,
                    int offset)

DoubleBuffer

public DoubleBuffer(byte[] data,
                    int length)

DoubleBuffer

public DoubleBuffer(double[] doubles,
                    boolean copy)

DoubleBuffer

public DoubleBuffer(double[] data,
                    boolean copy,
                    int offset)

Method Detail

getComplexFloat

public IComplexFloat getComplexFloat(long i)

Description copied from interface: DataBuffer

Get the complex float

Specified by:

getComplexFloat in interface DataBuffer

Specified by:

getComplexFloat in class BaseDataBuffer

Parameters:

i - the i togete

Returns:

the complex float at the specified index

getComplexDouble

public IComplexDouble getComplexDouble(long i)

Description copied from interface: DataBuffer

Get the complex double at the specified index

Specified by:

getComplexDouble in interface DataBuffer

Specified by:

getComplexDouble in class BaseDataBuffer

Parameters:

i - the index

Returns:

the complex double

getFloat

public float getFloat(long i)

Description copied from interface: DataBuffer

Get element i in the buffer as a double

Specified by:

getFloat in interface DataBuffer

Overrides:

getFloat in class BaseDataBuffer

Parameters:

i - the element to getFloat

Returns:

the element at this index

getNumber

public Number getNumber(long i)

Description copied from interface: DataBuffer

Get element i in the buffer as a double

Specified by:

getNumber in interface DataBuffer

Overrides:

getNumber in class BaseDataBuffer

Parameters:

i - the element to getFloat

Returns:

the element at this index

create

public DataBuffer create(double[] data)

Description copied from class: BaseDataBuffer

Create the data buffer with respect to the given byte buffer

Specified by:

create in class BaseDataBuffer

Parameters:

data - the buffer to create

Returns:

the data buffer based on the given buffer

create

public DataBuffer create(float[] data)

Description copied from class: BaseDataBuffer

Create the data buffer with respect to the given byte buffer

Specified by:

create in class BaseDataBuffer

Parameters:

data - the buffer to create

Returns:

the data buffer based on the given buffer

create

public DataBuffer create(int[] data)

Description copied from class: BaseDataBuffer

Create the data buffer with respect to the given byte buffer

Specified by:

create in class BaseDataBuffer

Parameters:

data - the buffer to create

Returns:

the data buffer based on the given buffer

create

protected DataBuffer create(long length)

Description copied from class: BaseDataBuffer

Create with length

Specified by:

create in class BaseDataBuffer

Parameters:

length - a databuffer of the same type as this with the given length

Returns:

a data buffer with the same length and datatype as this one

flush

public void flush()

Description copied from interface: DataBuffer

Flush the data buffer

Specified by:

flush in interface DataBuffer

Overrides:

flush in class BaseDataBuffer

initTypeAndSize

protected void initTypeAndSize()

Initialize the type of this buffer

Specified by:

initTypeAndSize in class BaseDataBuffer