Namespace for various tools used within ViennaCL. More...

Namespaces
	detail
	Contains implementation details for the tools. Usually not of interest for the library user.

Classes
struct	CHECK_SCALAR_TEMPLATE_ARGUMENT
	A guard that checks whether the floating point type of GPU types is either float or double. More...

struct	CONST_REMOVER
	Removes the const qualifier from a type. More...

class	const_sparse_matrix_adapted_iterator
	A const iterator for sparse matrices of type std::vector<std::map<SizeT, NumericT> > More...

class	const_sparse_matrix_adapter
	Adapts a constant sparse matrix type made up from std::vector<std::map<SizeT, NumericT> > to basic ublas-compatibility. More...

struct	CPU_SCALAR_TYPE_DEDUCER
	Obtain the cpu scalar type from a type, including a GPU type like viennacl::scalar<T> More...

struct	MATRIX_ITERATOR_INCREMENTER
	Helper class for incrementing an iterator in a dense matrix. More...

struct	MATRIX_SIZE_DEDUCER
	Deduces the size of the resulting vector represented by a vector_expression from the operands. More...

class	normal_random_numbers
	Random number generator for returning normally distributed values. More...

class	shared_ptr
	A shared pointer class similar to boost::shared_ptr. Reimplemented in order to avoid a Boost-dependency. Will be replaced by std::shared_ptr as soon as C++11 is widely available. More...

class	sparse_matrix_adapted_iterator
	A non-const iterator for sparse matrices of type std::vector<std::map<SizeT, NumericT> > More...

class	sparse_matrix_adapter
	Adapts a non-const sparse matrix type made up from std::vector<std::map<SizeT, NumericT> > to basic ublas-compatibility. More...

class	timer
	Simple timer class based on gettimeofday (POSIX) or QueryPerformanceCounter (Windows). More...

class	uniform_random_numbers
	Random number generator for returning uniformly distributed values in the closed interval [0, 1]. More...

Typedefs
typedef signed char	int8_t

typedef unsigned char	uint8_t

typedef short	int16_t

typedef unsigned short	uint16_t

typedef int	int32_t

typedef unsigned int	uint32_t

Functions
template<typename MatrixType >
void	generate_fdm_laplace (MatrixType &A, vcl_size_t points_x, vcl_size_t points_y)
	Generates a sparse matrix obtained from a simple finite-difference discretization of the Laplace equation on the unit square (2d). More...

template<typename NumericT >
void	generate_fdm_laplace (viennacl::compressed_matrix< NumericT > &A, vcl_size_t points_x, vcl_size_t points_y)

template<typename NumericT >
void	generate_fdm_laplace (viennacl::coordinate_matrix< NumericT > &A, vcl_size_t points_x, vcl_size_t points_y)

template<typename NumericT >
void	generate_fdm_laplace (viennacl::ell_matrix< NumericT > &A, vcl_size_t points_x, vcl_size_t points_y)

template<typename NumericT >
void	generate_fdm_laplace (viennacl::sliced_ell_matrix< NumericT > &A, vcl_size_t points_x, vcl_size_t points_y)

template<typename NumericT >
void	generate_fdm_laplace (viennacl::hyb_matrix< NumericT > &A, vcl_size_t points_x, vcl_size_t points_y)

std::string	sha1 (std::string const &src)

std::string	read_text_from_file (const std::string &filename)
	Reads a text from a file into a std::string. More...

std::string	str_replace (const std::string &text, std::string to_search, std::string to_replace)
	Replaces all occurances of a substring by another stringstream. More...

template<class INT_TYPE >
INT_TYPE	align_to_multiple (INT_TYPE to_reach, INT_TYPE base)
	Rounds an integer to the next multiple of another integer. More...

template<class INT_TYPE >
INT_TYPE	round_down_to_prevous_multiple (INT_TYPE to_reach, INT_TYPE base)
	Rounds an integer to the previous multiple of another integer. More...

int	find_and_replace (std::string &source, std::string const &find, std::string const &replace)
	Replace in a source string a pattern by another. More...

template<class InputIterator , class UnaryPredicate >
bool	any_of (InputIterator first, InputIterator last, UnaryPredicate pred)
	Returns true if pred returns true for any of the elements in the range [first,last), and false otherwise. More...

std::string	make_double_kernel (std::string const &source, std::string const &fp_extension)
	Create a double precision kernel out of a single precision kernel. More...

template<typename HostScalarType >
viennacl::scalar < HostScalarType > const &	promote_if_host_scalar (viennacl::scalar< HostScalarType > const &s)

template<typename HostScalarType >
viennacl::scalar_expression < const viennacl::scalar < HostScalarType >, const viennacl::scalar < HostScalarType > , viennacl::op_flip_sign > const &	promote_if_host_scalar (viennacl::scalar_expression< const viennacl::scalar< HostScalarType >, const viennacl::scalar< HostScalarType >, viennacl::op_flip_sign > const &s)

template<typename HostScalarType >
HostScalarType	promote_if_host_scalar (float s)

template<typename HostScalarType >
HostScalarType	promote_if_host_scalar (double s)

template<typename HostScalarType >
HostScalarType	promote_if_host_scalar (long s)

template<typename HostScalarType >
HostScalarType	promote_if_host_scalar (unsigned long s)

template<typename HostScalarType >
HostScalarType	promote_if_host_scalar (int s)

template<typename HostScalarType >
HostScalarType	promote_if_host_scalar (unsigned int s)

template<class T >
std::string	to_string (T const t)

Detailed Description

Namespace for various tools used within ViennaCL.

Typedef Documentation

typedef short viennacl::tools::int16_t

Definition at line 39 of file sha1.hpp.

typedef int viennacl::tools::int32_t

Definition at line 45 of file sha1.hpp.

typedef signed char viennacl::tools::int8_t

Definition at line 37 of file sha1.hpp.

typedef unsigned short viennacl::tools::uint16_t

Definition at line 40 of file sha1.hpp.

typedef unsigned int viennacl::tools::uint32_t

Definition at line 46 of file sha1.hpp.

typedef unsigned char viennacl::tools::uint8_t

Definition at line 38 of file sha1.hpp.

Function Documentation

template<class INT_TYPE >

INT_TYPE viennacl::tools::align_to_multiple	(	INT_TYPE	to_reach,
		INT_TYPE	base
	)

Rounds an integer to the next multiple of another integer.

Template Parameters

INT_TYPE The integer type

Parameters

to_reach	The integer to be rounded up (ceil operation)
base	The base

Returns: The smallest multiple of 'base' such that to_reach <= base

Definition at line 133 of file tools.hpp.

template<class InputIterator , class UnaryPredicate >

bool viennacl::tools::any_of	(	InputIterator	first,
		InputIterator	last,
		UnaryPredicate	pred
	)

Returns true if pred returns true for any of the elements in the range [first,last), and false otherwise.

Definition at line 175 of file tools.hpp.

int viennacl::tools::find_and_replace	(	std::string &	source,
		std::string const &	find,
		std::string const &	replace
	)

inline

Replace in a source string a pattern by another.

Parameters

source	The source string
find	String to find
replace	String to replace

Definition at line 160 of file tools.hpp.

template<typename MatrixType >

void viennacl::tools::generate_fdm_laplace	(	MatrixType &	A,
		vcl_size_t	points_x,
		vcl_size_t	points_y
	)

Generates a sparse matrix obtained from a simple finite-difference discretization of the Laplace equation on the unit square (2d).

Template Parameters

MatrixType An uBLAS-compatible matrix type supporting .clear(), .resize(), and operator()-access

Parameters

A	A sparse matrix object from ViennaCL, total number of unknowns will be points_x*points_y
points_x	Number of points in x-direction
points_y	Number of points in y-direction

Definition at line 48 of file matrix_generation.hpp.

template<typename NumericT >

void viennacl::tools::generate_fdm_laplace	(	viennacl::compressed_matrix< NumericT > &	A,
		vcl_size_t	points_x,
		vcl_size_t	points_y
	)

Definition at line 92 of file matrix_generation.hpp.

template<typename NumericT >

void viennacl::tools::generate_fdm_laplace	(	viennacl::coordinate_matrix< NumericT > &	A,
		vcl_size_t	points_x,
		vcl_size_t	points_y
	)

Definition at line 102 of file matrix_generation.hpp.

template<typename NumericT >

void viennacl::tools::generate_fdm_laplace	(	viennacl::ell_matrix< NumericT > &	A,
		vcl_size_t	points_x,
		vcl_size_t	points_y
	)

Definition at line 112 of file matrix_generation.hpp.

template<typename NumericT >

void viennacl::tools::generate_fdm_laplace	(	viennacl::sliced_ell_matrix< NumericT > &	A,
		vcl_size_t	points_x,
		vcl_size_t	points_y
	)

Definition at line 122 of file matrix_generation.hpp.

template<typename NumericT >

void viennacl::tools::generate_fdm_laplace	(	viennacl::hyb_matrix< NumericT > &	A,
		vcl_size_t	points_x,
		vcl_size_t	points_y
	)

Definition at line 132 of file matrix_generation.hpp.

std::string viennacl::tools::make_double_kernel	(	std::string const &	source,
		std::string const &	fp_extension
	)

inline

Create a double precision kernel out of a single precision kernel.

Parameters

source	The source string
fp_extension	An info string that specifies the OpenCL double precision extension

Returns: The double precision kernel

Definition at line 191 of file tools.hpp.