functions.h File Reference

#include "std_include.h"
#include "gpuarray.h"
#include <set>

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Macros
#define	HOSTDEVICE   inline __attribute__((always_inline))

Functions
template<typename T >
	__attribute__ ((always_inline)) void removeDuplicateVectorElements(vector< T > &data)
	remove duplicate elements from a vector, preserving the order, using sets More...
newData	resize (n-1)
ArrayHandle< T >	h1 (newData, access_location::host, access_mode::overwrite)
	for (int i=0;i< n;++i) = h.data[i]
newData	resize (n-indices.size())
newData	resize (n+extraElements)
ArrayHandle< T >	hnew (newData, access_location::host, access_mode::overwrite)
data	swap (newData)
	if (Nvector > Narray) copydata.resize(Nvector)
ArrayHandle< T >	handle (copydata, access_location::host, access_mode::overwrite)
ArrayHandle< T >	handle (data, access_location::host, access_mode::read)
copydata	resize (n)
HOSTDEVICE scalar	dot (const dVec &p1, const dVec &p2)
	The dot product between d-Dimensional vectors. More...
HOSTDEVICE int	idPow (int i)
	an integer to the dth power... the slow way More...
HOSTDEVICE int	dot (const iVec &p1, const iVec &p2)
	The dot product between d-Dimensional iVecs. More...
HOSTDEVICE scalar	dot (const scalar3 &p1, const scalar3 &p2)
	The dot product between scalar3's. More...
HOSTDEVICE scalar	norm (const scalar3 &p)
	The norm of a scalar3's. More...
HOSTDEVICE scalar	r3Distance (const scalar3 &p1, const scalar3 &p2)
	The dot product between scalar3's. More...
HOSTDEVICE scalar3	cross (const scalar3 &p1, scalar3 &p2)
	The norm of a scalar3's. More...
HOSTDEVICE scalar	norm (const dVec &p)
	The norm of a d-Dimensional vector. More...
HOSTDEVICE scalar	pointSegmentDistance (const scalar3 &p, const scalar3 &s1, const scalar3 &s2, scalar3 &dir)
	point-segment distance in 3D More...
HOSTDEVICE scalar	truncatedPointSegmentDistance (const scalar3 &p, const scalar3 &s1, const scalar3 &s2, scalar3 &dir)
	point-segment distance in 3D More...
HOSTDEVICE int	wrap (int x, int m)
	fit integers into non-negative domains More...
HOSTDEVICE int3	wrap (int3 x, int3 m)
	fit integers into non-negative domains More...
HOSTDEVICE bool	ordered (int a, int b, int c)
HOSTDEVICE int	computeSign (scalar x)
	compute the sign of a scalar, and return zero if x = 0 More...
HOSTDEVICE scalar	computeSignNoCast (scalar x)
	compute the sign of a scalar, and return zero if x = 0...but return a scalar to avoid expensive casts on the GPU More...
__host__ bool	chooseGPU (int USE_GPU, bool verbose=false)
	Get basic stats about the chosen GPU (if it exists) More...
__host__ bool	getAvailableGPUs (vector< string > &devices)
	Get basic stats about the chosen GPU (if it exists) More...

Variables
int	index
GPUArray< T >	newData
int	idx = 0
	data = newData
vector< int >	indices
int	n = data.getNumElements()
int	vectorIndex = 0
int	extraElements
GPUArray< T > &	copydata
int	Nvector = data.size()

Macro Definition Documentation

HOSTDEVICE

#define HOSTDEVICE   inline __attribute__((always_inline))