GFFT Namespace Reference

Main namespace.

Classes
class	DFTk_x_Im_T
	In-place scaled FFT algorithm. More...
class	InTime
	In-place decimation-in-time FFT version. More...
class	InTimeOOP
	Out-of-place decimation-in-time FFT version. More...
class	InFreq
	Danielson-Lanczos section of the decimation-in-frequency FFT version. More...
class	Caller
	Calls member function apply() in every type of the typelist. More...
class	StaticCaller
	Calls static member function apply() in every type of the typelist. More...
class	Transform
	Generic Fast Fourier transform in-place class. More...
struct	DefineTransform
	Takes types from TList as parameters to define Transform class. More...
class	GenerateTransform
	MAIN CLASS TO USE! Generates a set of transform classes. More...
class	InTimeOMP
	OpenMP parallelized Danielson-Lanczos section of the decimation-in-time FFT version. More...
class	InFreqOMP
	OpenMP parallelized Danielson-Lanczos section of the decimation-in-time FFT version. More...
struct	ValueTypeGroup
	Lists all acceptable value types and the default one. More...
struct	TransformTypeGroup
	Lists all acceptable types of Fast Fourier transform. More...
struct	ParallelizationGroup
	Lists all acceptable parallelization methods. More...
struct	DecimationGroup
	Lists all acceptable decimation versions. More...
struct	PlaceGroup
	Lists in-place and out-of-place FFT algorithms. More...
class	AbstractFFT_inp
	Abstract interface class to build GFFT object factory. More...
class	Empty
	Abstract empty base class. More...
struct	DOUBLE
	Double precision type representation. More...
struct	FLOAT
	Single precision type representation. More...
struct	COMPLEX_DOUBLE
	Complex number of double precision type representation. More...
struct	COMPLEX_FLOAT
	Complex number of single precision type representation. More...
struct	INTIME
	Decimation in-time. More...
struct	INFREQ
	Decimation in-frequency. More...
struct	IN_PLACE
	In-place algorithm. More...
struct	OUT_OF_PLACE
	Out-of-place algorithm. More...
struct	DFT
	Forward compex-valued discrete Fourier transform. More...
struct	IDFT
	Inverse compex-valued discrete Fourier transform. More...
struct	RDFT
	Forward real-valued discrete Fourier transform. More...
struct	IRDFT
	Inverse real-valued discrete Fourier transform. More...
struct	Serial
	Serial (single-core) implementation of transform More...
struct	OpenMP
	Transform is parallelized using OpenMP standard More...
struct	ComputeTwiddles
	Twiddle factors computation. More...
class	DFTk_inp
	In-place DFT. More...
class	DFTk
	Out-of-place DFT. More...
class	DFTk_inp< N, M, Complex< T >, S >
	In-place DFT for "complex" types like std::complex. More...
class	DFTk< N, SI, DI, Complex< T >, S >
	Out-of-place DFT for "complex" types like std::complex. More...
class	SwapNR
	Binary reordering of array elements. More...
class	GFFTswap2
	Binary reordering of array elements. More...
class	SwapNR< M, P, Complex< T > >
	Binary reordering of array elements. More...
class	Separate
	Reordering of data for real-valued transforms. More...
class	Separate< N, Complex< T >, S >
	Reordering of data for real-valued transforms. More...
class	ListGenerator
	Generates all different combinations of given parameters. More...
struct	GenNumList
	Generates Typelist with types Holder<N>, N = Begin,...,End. More...
struct	GenPowerList
	Generates Typelist with types Holder<N>, N = Begin,...,End. More...
class	GFFTswap2OMP
	Binary reordering parallelized by OpenMP. More...

Typedefs
typedef unsigned int	id_t

Functions
typedef	TYPELIST_5 (SInt< 2 >, SInt< 3 >, SInt< 5 >, SInt< 7 >, SInt< 11 >) InitialPrimesList
template<typename T >
void	_spec2 (T *data)
template<typename T >
void	_spec2 (const T *src, T *dst)
template<typename T , template< typename > class Complex>
void	_spec2 (Complex< T > *data)
template<typename T , template< typename > class Complex>
void	_spec2 (const Complex< T > *src, Complex< T > *dst)

Function Documentation

template<typename T , template< typename > class Complex>

void GFFT::_spec2 ( Complex< T > *  data )

inline

Specialization for complex-valued radix 2 FFT in-place

Template Parameters

T	is value type
Complex<T>	is a generic type representing complex numbers (like std::complex)

Parameters

data	is the array containing two complex numbers of type Complex<T>.

template<typename T >

void GFFT::_spec2 ( T *  data )

inline

In-place specialization for complex-valued radix 2 FFT

Template Parameters

T	is value type

Parameters

data	is the array of length 4, containing two complex numbers (real,imag,real,imag).

template<typename T >

void GFFT::_spec2 ( const T *  src, T *  dst  )

inline

Out-of-place specialization for complex-valued radix 2 FFT

Template Parameters

T	is value type

Parameters

data	is the array of length 4, containing two complex numbers (real,imag,real,imag).