IndexDD Class Reference

Switch between a d-dimensional grid to a flattened, 1D index. More...

#include <indexer.h>

Collaboration diagram for IndexDD:

Public Member Functions
HOSTDEVICE	IndexDD (unsigned int w=0)
HOSTDEVICE	IndexDD (iVec w)
HOSTDEVICE void	setSizes (unsigned int w)
HOSTDEVICE void	setSizes (iVec w)
HOSTDEVICE unsigned int	operator() (const iVec &i) const
HOSTDEVICE iVec	inverseIndex (int i)
	What iVec would correspond to a given unsigned int IndexDD(iVec) More...
HOSTDEVICE unsigned int	getNumElements () const
	Return the number of elements that the indexer can index. More...
HOSTDEVICE iVec	getSizes () const
	Get the iVec of sizes. More...

Public Attributes
iVec	sizes
	a list of the size of the full array in each of the d dimensions More...
iVec	intermediateSizes
	intermediateSizes[a] = Product_{d<=a} sizes. intermediateSizes[0]=1; More...
unsigned int	numberOfElements
unsigned int	width
	The total number of elements that the indexer can index. More...

Detailed Description

Switch between a d-dimensional grid to a flattened, 1D index.

A class for converting between a 2d index and a 1-d array, which makes calculation on the GPU a bit easier. This was inspired by the indexer class of Hoomd-blue

Constructor & Destructor Documentation

IndexDD() [1/2]

HOSTDEVICE IndexDD::IndexDD ( unsigned int  w = 0 )

inline

References setSizes().

IndexDD() [2/2]

HOSTDEVICE IndexDD::IndexDD ( iVec  w )

inline

References setSizes().

Member Function Documentation

setSizes() [1/2]

HOSTDEVICE void IndexDD::setSizes ( unsigned int  w )

inline

References intermediateSizes, numberOfElements, sizes, and iVec::x.

Referenced by IndexDD().

setSizes() [2/2]

HOSTDEVICE void IndexDD::setSizes ( iVec  w )

inline

References intermediateSizes, numberOfElements, sizes, and iVec::x.

operator()()

HOSTDEVICE unsigned int IndexDD::operator() ( const iVec &  i ) const

inline

References dot(), and intermediateSizes.

inverseIndex()

HOSTDEVICE iVec IndexDD::inverseIndex ( int  i )

inline

What iVec would correspond to a given unsigned int IndexDD(iVec)

References sizes, and iVec::x.

Referenced by hyperrectangularCellList::computeAdjacentCells(), hyperrectangularCellList::getCellNeighbors(), and hyperrectangularCellList::indexToiVec().

getNumElements()

HOSTDEVICE unsigned int IndexDD::getNumElements ( ) const

inline

Return the number of elements that the indexer can index.

References numberOfElements.

getSizes()

HOSTDEVICE iVec IndexDD::getSizes ( ) const

inline

Get the iVec of sizes.

References sizes.

Member Data Documentation

sizes

iVec IndexDD::sizes

a list of the size of the full array in each of the d dimensions

Referenced by getSizes(), inverseIndex(), and setSizes().

intermediateSizes

iVec IndexDD::intermediateSizes

intermediateSizes[a] = Product_{d<=a} sizes. intermediateSizes[0]=1;

Referenced by operator()(), and setSizes().

numberOfElements

unsigned int IndexDD::numberOfElements

Referenced by getNumElements(), and setSizes().

width

unsigned int IndexDD::width

The total number of elements that the indexer can index.

array width

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The documentation for this class was generated from the following file:

• indexer.h