DoubleBuffer (nd4j-api 0.0.3.5.5.3 API)

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.Type

Field Summary
- Fields inherited from class org.nd4j.linalg.api.buffer.BaseDataBuffer
  isPersist, length, MAPPING_SIZE, mappings, memoryMappedBuffer, path, ref, referencing

Constructor Summary

Constructors
Constructor and Description

DoubleBuffer(double[] buffer)

DoubleBuffer(double[] buffer, boolean copy)

DoubleBuffer(int length)

Constructors
Constructor and Description
`DoubleBuffer(double[] buffer)`
`DoubleBuffer(double[] buffer, boolean copy)`
`DoubleBuffer(int length)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`byte[]`	`asBytes()` Raw byte array storage
`double[]`	`asDouble()` Return the buffer as a double array Relative to the datatype, this will either be a copy or a reference.
`float[]`	`asFloat()` Return the buffer as a float array Relative to the datatype, this will either be a copy or a reference.
`int[]`	`asInt()` Return the buffer as an int array Relative to the datatype, this will either be a copy or a reference.
`void`	`assign(Number value, int offset)` Assign the given value to the buffer starting at offset
`DataBuffer.Type`	`dataType()` The data type of the buffer
`void`	`destroy()` release all resources for this buffer
`DataBuffer`	`dup()` Return a copy of this buffer
`boolean`	`equals(Object o)`
`void`	`flush()` Flush the data buffer
`double`	`getDouble(int i)` Get element i in the buffer as a double
`int`	`getElementSize()` The number of bytes for each individual element
`float`	`getFloat(int i)` Get element i in the buffer as a double
`int`	`getInt(int ix)` Get the int at the specified index
`Number`	`getNumber(int i)` Get element i in the buffer as a double
`int`	`hashCode()`
`void`	`put(int i, double element)` Assign an element in the buffer to the specified index
`void`	`put(int i, float element)` Assign an element in the buffer to the specified index
`void`	`put(int i, int element)` Assign an element in the buffer to the specified index
`void`	`setData(double[] data)` Set the data for this buffer
`void`	`setData(float[] data)` Set the data for this buffer
`void`	`setData(int[] data)` Set the data for this buffer

Methods inherited from class org.nd4j.linalg.api.buffer.BaseDataBuffer
addReferencing, assign, assign, assign, assign, assign, assign, assign, assign, assign, getComplex, getComplexDouble, getComplexFloat, getDoublesAt, getDoublesAt, getFloatsAt, getFloatsAt, isPersist, length, persist, put, references, removeReferencing, toByteArray, toByteArray, toByteArray, toDouble, toFloat, toInt

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - DoubleBuffer
```
public DoubleBuffer(int length)
```
  - DoubleBuffer
```
public DoubleBuffer(double[] buffer)
```
  - DoubleBuffer
```
public DoubleBuffer(double[] buffer,
                    boolean copy)
```
- Method Detail
  - setData
```
public void setData(int[] data)
```
    Description copied from interface: DataBuffer
    
    Set the data for this buffer
    
    Parameters:
    
    data - the data for this buffer
  - setData
```
public void setData(float[] data)
```
    Description copied from interface: DataBuffer
    
    Set the data for this buffer
    
    Parameters:
    
    data - the data for this buffer
  - setData
```
public void setData(double[] data)
```
    Description copied from interface: DataBuffer
    
    Set the data for this buffer
    
    Parameters:
    
    data - the data for this buffer
  - asBytes
```
public byte[] asBytes()
```
    Description copied from interface: DataBuffer
    
    Raw byte array storage
    
    Returns:
    
    the data represented as a raw byte array
  - dataType
```
public DataBuffer.Type dataType()
```
    Description copied from interface: DataBuffer
    
    The data type of the buffer
    
    Returns:
    
    the data type of the buffer
  - asFloat
```
public float[] asFloat()
```
    Description copied from interface: DataBuffer
    
    Return the buffer as a float array Relative to the datatype, this will either be a copy or a reference. The reference is preferred for faster access of data and no copying
    
    Returns:
    
    the buffer as a float
  - asDouble
```
public double[] asDouble()
```
    Description copied from interface: DataBuffer
    
    Return the buffer as a double array Relative to the datatype, this will either be a copy or a reference. The reference is preferred for faster access of data and no copying
    
    Returns:
    
    the buffer as a float
  - asInt
```
public int[] asInt()
```
    Description copied from interface: DataBuffer
    
    Return the buffer as an int array Relative to the datatype, this will either be a copy or a reference. The reference is preferred for faster access of data and no copying
    
    Returns:
    
    the buffer as a float
  - getDouble
```
public double getDouble(int i)
```
    Description copied from interface: DataBuffer
    
    Get element i in the buffer as a double
    
    Parameters:
    
    i - the element to getFloat
    
    Returns:
    
    the element at this index
  - assign
```
public void assign(Number value,
                   int offset)
```
    Description copied from interface: DataBuffer
    
    Assign the given value to the buffer starting at offset
    
    Parameters:
    
    value - assign the value to set
    
    offset - the offset to start at
  - getFloat
```
public float getFloat(int i)
```
    Description copied from interface: DataBuffer
    
    Get element i in the buffer as a double
    
    Parameters:
    
    i - the element to getFloat
    
    Returns:
    
    the element at this index
  - getNumber
```
public Number getNumber(int i)
```
    Description copied from interface: DataBuffer
    
    Get element i in the buffer as a double
    
    Parameters:
    
    i - the element to getFloat
    
    Returns:
    
    the element at this index
  - put
```
public void put(int i,
                float element)
```
    Description copied from interface: DataBuffer
    
    Assign an element in the buffer to the specified index
    
    Parameters:
    
    i - the index
    
    element - the element to assign
  - put
```
public void put(int i,
                double element)
```
    Description copied from interface: DataBuffer
    
    Assign an element in the buffer to the specified index
    
    Parameters:
    
    i - the index
    
    element - the element to assign
  - put
```
public void put(int i,
                int element)
```
    Description copied from interface: DataBuffer
    
    Assign an element in the buffer to the specified index
    
    Parameters:
    
    i - the index
    
    element - the element to assign
  - getInt
```
public int getInt(int ix)
```
    Description copied from interface: DataBuffer
    
    Get the int at the specified index
    
    Parameters:
    
    ix - the int at the specified index
    
    Returns:
    
    the int at the specified index
  - dup
```
public DataBuffer dup()
```
    Description copied from interface: DataBuffer
    
    Return a copy of this buffer
    
    Returns:
    
    a copy of this buffer
  - flush
```
public void flush()
```
    Description copied from interface: DataBuffer
    
    Flush the data buffer
  - getElementSize
```
public int getElementSize()
```
    Description copied from interface: DataBuffer
    
    The number of bytes for each individual element
    
    Returns:
    
    the number of bytes for each individual element
  - destroy
```
public void destroy()
```
    Description copied from interface: DataBuffer
    
    release all resources for this buffer
  - equals
```
public boolean equals(Object o)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object

Class DoubleBuffer

Nested Class Summary

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

Field Summary

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

Constructor Summary

Method Summary

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

Methods inherited from class java.lang.Object

Constructor Detail

DoubleBuffer

DoubleBuffer

DoubleBuffer

Method Detail

setData

setData

setData

asBytes

dataType

asFloat

asDouble

asInt

getDouble

assign

getFloat

getNumber

put

put

put

getInt

dup

flush

getElementSize

destroy

equals

hashCode