fft.hpp File Reference

Contains helper functions for the interface with SpFFT library. More...

Go to the source code of this file.

Classes
struct	sirius::fft::SpFFT_Grid< T >
	Type traits to handle Spfft grid for different precision type. More...
struct	sirius::fft::SpFFT_Grid< double >
struct	sirius::fft::SpFFT_Grid< std::complex< double > >
struct	sirius::fft::SpFFT_Transform< T >
	Type traits to handle Spfft driver for different precision type. More...
struct	sirius::fft::SpFFT_Transform< double >
struct	sirius::fft::SpFFT_Transform< std::complex< double > >

Namespaces
module	sirius
	Namespace of the SIRIUS library.
namespace	sirius::fft
	FFT-related functions and objects.

Typedefs
template<typename T >
using	sirius::fft::spfft_grid_type = typename SpFFT_Grid< T >::type
template<typename T >
using	sirius::fft::spfft_transform_type = typename SpFFT_Transform< T >::type
template<typename F , typename T , typename ... Args>
using	sirius::fft::enable_return = typename std::enable_if< std::is_same< typename std::result_of< F(Args...)>::type, T >::value, void >::type

Functions
template<typename T , typename F >
enable_return< F, T, int >	sirius::fft::spfft_input (spfft_transform_type< T > &spfft__, F &&fr__)
	Load data from real-valued lambda. More...
template<typename T , typename F >
enable_return< F, std::complex< T >, int >	sirius::fft::spfft_input (spfft_transform_type< T > &spfft__, F &&fr__)
	Load data from complex-valued lambda. More...
template<typename T >
void	sirius::fft::spfft_input (spfft_transform_type< T > &spfft__, T const *data__)
	Input CPU data to CPU buffer of SpFFT. More...
template<typename T , typename F >
void	sirius::fft::spfft_multiply (spfft_transform_type< T > &spfft__, F &&fr__)
template<typename T >
void	sirius::fft::spfft_output (spfft_transform_type< T > &spfft__, T *data__)
	Output CPU data from the CPU buffer of SpFFT. More...
template<typename T >
void	sirius::fft::spfft_output (spfft_transform_type< T > &spfft__, std::complex< T > *data__)
template<typename T >
size_t	sirius::fft::spfft_grid_size (T const &spfft__)
	Total size of the SpFFT transformation grid. More...
template<typename T >
size_t	sirius::fft::spfft_grid_size_local (T const &spfft__)
	Local size of the SpFFT transformation grid. More...
auto	sirius::fft::split_z_dimension (int size_z__, mpi::Communicator const &comm_fft__)
	Split z-dimenstion of size_z between MPI ranks of the FFT communicator. More...

Variables
const std::map< SpfftProcessingUnitType, sddk::memory_t >	sirius::fft::spfft_memory_t

Detailed Description

Contains helper functions for the interface with SpFFT library.

Definition in file fft.hpp.