num::spectral Namespace Reference

Classes
class	FFTPlan
	Precomputed complex transform plan. More...

Enumerations
enum class	FFTBackend { seq , simd , stdsimd , fftw }

Functions
void	fft (const CVector &in, CVector &out, FFTBackend b=default_fft_backend)
void	ifft (const CVector &in, CVector &out, FFTBackend b=default_fft_backend)
void	rfft (const Vector &in, CVector &out, FFTBackend b=default_fft_backend)
void	irfft (const CVector &in, int n, Vector &out, FFTBackend b=default_fft_backend)

Variables
constexpr FFTBackend	seq = FFTBackend::seq
constexpr FFTBackend	fftw = FFTBackend::fftw
constexpr FFTBackend	fft_simd = FFTBackend::simd
constexpr FFTBackend	fft_stdsimd = FFTBackend::stdsimd
constexpr bool	has_fftw
constexpr bool	has_fft_simd
constexpr bool	has_fft_stdsimd
constexpr FFTBackend	default_fft_backend

Enumeration Type Documentation

FFTBackend

enum class num::spectral::FFTBackend

strong

Enumerator
seq
simd
stdsimd
fftw

Definition at line 17 of file fft.hpp.

Function Documentation

fft()

void num::spectral::fft	(	const CVector &	in,
		CVector &	out,
		FFTBackend	b = default_fft_backend
	)

Definition at line 15 of file fft.cpp.

References backends::opt::fft(), backends::seq::fft(), fftw, simd, num::BasicVector< T >::size(), and stdsimd.

ifft()

void num::spectral::ifft	(	const CVector &	in,
		CVector &	out,
		FFTBackend	b = default_fft_backend
	)

Definition at line 40 of file fft.cpp.

References fftw, backends::opt::ifft(), backends::seq::ifft(), simd, num::BasicVector< T >::size(), and stdsimd.

irfft()

void num::spectral::irfft	(	const CVector &	in,
		int	n,
		Vector &	out,
		FFTBackend	b = default_fft_backend
	)

Definition at line 89 of file fft.cpp.

References fftw, backends::opt::irfft(), backends::seq::irfft(), simd, num::BasicVector< T >::size(), and stdsimd.

rfft()

void num::spectral::rfft	(	const Vector &	in,
		CVector &	out,
		FFTBackend	b = default_fft_backend
	)

Definition at line 65 of file fft.cpp.

References fftw, backends::opt::rfft(), backends::seq::rfft(), simd, num::BasicVector< T >::size(), and stdsimd.

Variable Documentation

default_fft_backend

constexpr FFTBackend num::spectral::default_fft_backend

inlineconstexpr

Initial value:

=
 
 
 
 
 
                FFTBackend::seq

Definition at line 50 of file fft.hpp.

fft_simd

constexpr FFTBackend num::spectral::fft_simd = FFTBackend::simd

inlineconstexpr

Definition at line 26 of file fft.hpp.

fft_stdsimd

constexpr FFTBackend num::spectral::fft_stdsimd = FFTBackend::stdsimd

inlineconstexpr

Definition at line 27 of file fft.hpp.

fftw

constexpr FFTBackend num::spectral::fftw = FFTBackend::fftw

inlineconstexpr

Definition at line 25 of file fft.hpp.

has_fft_simd

constexpr bool num::spectral::has_fft_simd

inlineconstexpr

Initial value:

=
 
 
 
    false

Definition at line 36 of file fft.hpp.

has_fft_stdsimd

constexpr bool num::spectral::has_fft_stdsimd

inlineconstexpr

Initial value:

=
 
 
 
    false

Definition at line 43 of file fft.hpp.

has_fftw

constexpr bool num::spectral::has_fftw

inlineconstexpr

Initial value:

=
 
 
 
    false

Definition at line 29 of file fft.hpp.

seq

constexpr FFTBackend num::spectral::seq = FFTBackend::seq

inlineconstexpr

Definition at line 24 of file fft.hpp.