fft_2d.cpp File Reference

#include <iostream>
#include <vector>
#include <cmath>
#include <complex>
#include <algorithm>
#include "viennacl/linalg/host_based/fft_operations.hpp"
#include "viennacl/linalg/fft_operations.hpp"
#include "viennacl/fft.hpp"

Go to the source code of this file.

Classes
struct	testData

Typedefs
typedef float	ScalarType
typedef ScalarType(*	test_function_ptr )(std::vector< ScalarType > &, std::vector< ScalarType > &, unsigned int, unsigned int, unsigned int)
typedef void(*	input_function_ptr )(std::vector< ScalarType > &, std::vector< ScalarType > &, unsigned int &, unsigned int &, unsigned int &, const std::string &)

Functions
void	set_values_struct (std::vector< ScalarType > &input, std::vector< ScalarType > &output, unsigned int &rows, unsigned int &cols, unsigned int &batch_size, testData &data)
void	read_matrices_pair (std::vector< ScalarType > &input, std::vector< ScalarType > &output, unsigned int &rows, unsigned int &cols, unsigned int &batch_size, const std::string &log_tag)
template<typename ScalarType >
ScalarType	diff (std::vector< ScalarType > &vec, std::vector< ScalarType > &ref)
template<typename ScalarType >
ScalarType	diff_max (std::vector< ScalarType > &vec, std::vector< ScalarType > &ref)
void	copy_vector_to_matrix (viennacl::matrix< ScalarType > &input, std::vector< ScalarType > &in, unsigned int row, unsigned int col)
void	copy_matrix_to_vector (viennacl::matrix< ScalarType > &input, std::vector< ScalarType > &in, unsigned int row, unsigned int col)
ScalarType	fft_2d_1arg (std::vector< ScalarType > &in, std::vector< ScalarType > &out, unsigned int row, unsigned int col, unsigned int)
ScalarType	transpose_inplace (std::vector< ScalarType > &in, std::vector< ScalarType > &out, unsigned int row, unsigned int col, unsigned int)
ScalarType	transpose (std::vector< ScalarType > &in, std::vector< ScalarType > &out, unsigned int row, unsigned int col, unsigned int)
ScalarType	fft_2d_2arg (std::vector< ScalarType > &in, std::vector< ScalarType > &out, unsigned int row, unsigned int col, unsigned int)
int	test_correctness (const std::string &log_tag, input_function_ptr input_function, test_function_ptr func)
int	main ()

Variables
const ScalarType	EPS = ScalarType(0.06f)

Detailed Description

Tests the two-dimensional FFT routines.

Test:

Tests the two-dimensional FFT routines.

Definition in file fft_2d.cpp.

Typedef Documentation

typedef void(* input_function_ptr)(std::vector< ScalarType > &, std::vector< ScalarType > &, unsigned int &, unsigned int &, unsigned int &, const std::string &)

Definition at line 48 of file fft_2d.cpp.

typedef float ScalarType

Definition at line 42 of file fft_2d.cpp.

typedef ScalarType(* test_function_ptr)(std::vector< ScalarType > &, std::vector< ScalarType > &, unsigned int, unsigned int, unsigned int)

Definition at line 46 of file fft_2d.cpp.

Function Documentation

void copy_matrix_to_vector	(	viennacl::matrix< ScalarType > &	input,
		std::vector< ScalarType > &	in,
		unsigned int	row,
		unsigned int	col
	)

Definition at line 184 of file fft_2d.cpp.

void copy_vector_to_matrix	(	viennacl::matrix< ScalarType > &	input,
		std::vector< ScalarType > &	in,
		unsigned int	row,
		unsigned int	col
	)

Definition at line 170 of file fft_2d.cpp.

template<typename ScalarType >

ScalarType diff	(	std::vector< ScalarType > &	vec,
		std::vector< ScalarType > &	ref
	)

Definition at line 130 of file fft_2d.cpp.

template<typename ScalarType >

ScalarType diff_max	(	std::vector< ScalarType > &	vec,
		std::vector< ScalarType > &	ref
	)

Definition at line 145 of file fft_2d.cpp.

ScalarType fft_2d_1arg	(	std::vector< ScalarType > &	in,
		std::vector< ScalarType > &	out,
		unsigned int	row,
		unsigned int	col,
		unsigned	int
	)

Definition at line 197 of file fft_2d.cpp.

ScalarType fft_2d_2arg	(	std::vector< ScalarType > &	in,
		std::vector< ScalarType > &	out,
		unsigned int	row,
		unsigned int	col,
		unsigned	int
	)

Definition at line 263 of file fft_2d.cpp.

int main

(

)

Definition at line 311 of file fft_2d.cpp.

void read_matrices_pair	(	std::vector< ScalarType > &	input,
		std::vector< ScalarType > &	output,
		unsigned int &	rows,
		unsigned int &	cols,
		unsigned int &	batch_size,
		const std::string &	log_tag
	)

Definition at line 115 of file fft_2d.cpp.

void set_values_struct	(	std::vector< ScalarType > &	input,
		std::vector< ScalarType > &	output,
		unsigned int &	rows,
		unsigned int &	cols,
		unsigned int &	batch_size,
		testData &	data
	)

Definition at line 95 of file fft_2d.cpp.

int test_correctness	(	const std::string &	log_tag,
		input_function_ptr	input_function,
		test_function_ptr	func
	)

Definition at line 286 of file fft_2d.cpp.

ScalarType transpose	(	std::vector< ScalarType > &	in,
		std::vector< ScalarType > &	out,
		unsigned int	row,
		unsigned int	col,
		unsigned	int
	)

Definition at line 239 of file fft_2d.cpp.

ScalarType transpose_inplace	(	std::vector< ScalarType > &	in,
		std::vector< ScalarType > &	out,
		unsigned int	row,
		unsigned int	col,
		unsigned	int
	)

Definition at line 218 of file fft_2d.cpp.

Variable Documentation

const ScalarType EPS = ScalarType(0.06f)

Definition at line 44 of file fft_2d.cpp.