DimensionOps Class Reference

A class for dimension-based operations. More...

#include <DimensionOps.hpp>

Public Types
typedef void	rrOp_t (jdouble *, const jint *, jint, jint, jint)
	Defines a real reduce operation.

Static Public Member Functions
static void	rdOp (JNIEnv *env, jobject thisObj, jint type, jdoubleArray srcV, jintArray srcD, jintArray srcS, jdoubleArray dstV, jintArray opDims)
	Performs a real dimension operation. More...
static void	riOp (JNIEnv *env, jobject thisObj, jint type, jdoubleArray srcV, jintArray srcD, jintArray srcS, jintArray dstV, jint dim)
	Performs a real index operation. More...
static void	rrOp (JNIEnv *env, jobject thisObj, jint type, jdoubleArray srcV, jintArray srcD, jintArray srcS, jdoubleArray dstV, jintArray dstD, jintArray dstS, jintArray opDims)
	Performs a real reduce operation. More...
static void	assignBaseIndices (jint *srcIndices, const jint *srcDArr, jint *srcDArrModified, const jint *srcSArr, jint *srcSArrModified, jint nDims, jint dim)
	Assigns base indices when excluding a dimension. More...
static void	riMax (jdouble *, const jint *, jint *, jint, jint, jint)
	Real index maximum.
static void	riMin (jdouble *, const jint *, jint *, jint, jint, jint)
	Real index minimum.
static void	riZero (jdouble *, const jint *, jint *, jint, jint, jint)
	Real index find zeroes.
static void	riGZero (jdouble *, const jint *, jint *, jint, jint, jint)
	Real index find greater-than-zeroes.
static void	riLZero (jdouble *, const jint *, jint *, jint, jint, jint)
	Real index find less-than-zeroes.
static void	riSort (jdouble *, const jint *, jint *, jint, jint, jint)
	Real index sort.
static void	rdSum (jdouble *, const jint *, const jint *, jdouble *, const jint *, jint, jint, jint)
	Real dimension sum.
static void	rdProd (jdouble *, const jint *, const jint *, jdouble *, const jint *, jint, jint, jint)
	Real dimension product.

Static Public Attributes
static rrOp_t	rrSum
	Real reduce sum.
static rrOp_t	rrProd
	Real reduce product.
static rrOp_t	rrMax
	Real reduce maximum.
static rrOp_t	rrMin
	Real reduce minimum.
static rrOp_t	rrVar
	Real reduce variance.

Detailed Description

A class for dimension-based operations.

Member Function Documentation

void DimensionOps::assignBaseIndices ( jint *  srcIndices, const jint *  srcDArr, jint *  srcDArrModified, const jint *  srcSArr, jint *  srcSArrModified, jint  nDims, jint  dim  )

static

Assigns base indices when excluding a dimension.

Parameters

srcIndices	the source indices.
srcDArr	the dimensions.
srcDArrModified	the modified dimensions.
srcSArr	the strides.
srcSArrModified	the modified strides.
nDims	the number of dimensions.
dim	the dimension to exclude.

void DimensionOps::rdOp ( JNIEnv *  env, jobject  thisObj, jint  type, jdoubleArray  srcV, jintArray  srcD, jintArray  srcS, jdoubleArray  dstV, jintArray  opDims  )

static

Performs a real dimension operation.

Parameters

env	the JNI environment.
thisObj	this object.
type	the operation type.
srcV	the source values.
srcD	the source dimensions.
srcS	the source strides.
dstV	the destination values.
opDims	the dimensions of interest.

void DimensionOps::riOp ( JNIEnv *  env, jobject  thisObj, jint  type, jdoubleArray  srcV, jintArray  srcD, jintArray  srcS, jintArray  dstV, jint  dim  )

static

Performs a real index operation.

Parameters

env	the JNI environment.
thisObj	this object.
type	the operation type.
srcV	the source values.
srcD	the source dimensions.
srcS	the source strides.
dstV	the destination values.
dim	the dimension of interest.

void DimensionOps::rrOp ( JNIEnv *  env, jobject  thisObj, jint  type, jdoubleArray  srcV, jintArray  srcD, jintArray  srcS, jdoubleArray  dstV, jintArray  dstD, jintArray  dstS, jintArray  opDims  )

static

Performs a real reduce operation.

Parameters

env	the JNI environment.
thisObj	this object.
type	the operation type.
srcV	the source values.
srcD	the source dimensions.
srcS	the source strides.
dstV	the destination values.
dstD	the destination dimensions.
dstS	the destination strides.
opDims	the dimensions of interest.