Complex fast Fourier transforms. More...

Namespaces
namespace	radix2
	Radix 2 transforms.

Classes
class	wavetable
	C++ version of gsl_fft_halfcomplex_wavetable functions. More...

Functions
int	backward (gsl::complex_packed_array data, size_t const stride, size_t const n, wavetable const &wavetable, real::workspace &work)
	C++ version of gsl_fft_halfcomplex_backward(). More...

int	inverse (gsl::complex_packed_array data, size_t const stride, size_t const n, wavetable const &wavetable, real::workspace &work)
	C++ version of gsl_fft_halfcomplex_inverse(). More...

int	unpack (double const real_coefficient[], double complex_coefficient[], size_t const stride, size_t const n)
	C++ version of gsl_fft_halfcomplex_unpack(). More...

template<typename DATA >
int	backward (DATA &data, size_t const stride, wavetable const &wavetable, real::workspace &work)
	C++ version of gsl_fft_halfcomplex_backward(). More...

template<typename DATA >
int	inverse (DATA &data, size_t const stride, wavetable const &wavetable, real::workspace &work)
	C++ version of gsl_fft_halfcomplex_inverse(). More...

template<typename R , typename C >
int	unpack (R const &real_coefficient, C &complex_coefficient, size_t const stride)
	C++ version of gsl_fft_halfcomplex_unpack(). More...

template<>
int	unpack (vector const &real_coefficient, vector_complex &complex_coefficient, size_t const stride)
	C++ version of gsl_fft_halfcomplex_unpack(). More...

int	backward (gsl::complex_packed_array data, size_t const n, wavetable const &wavetable, real::workspace &work)
	C++ version of gsl_fft_halfcomplex_backward(). More...

int	inverse (gsl::complex_packed_array data, size_t const n, wavetable const &wavetable, real::workspace &work)
	C++ version of gsl_fft_halfcomplex_inverse(). More...

int	unpack (double const real_coefficient[], double complex_coefficient[], size_t const n)
	C++ version of gsl_fft_halfcomplex_unpack(). More...

template<typename DATA >
int	backward (DATA &data, wavetable const &wavetable, real::workspace &work)
	C++ version of gsl_fft_halfcomplex_backward(). More...

template<typename DATA >
int	inverse (DATA &data, wavetable const &wavetable, real::workspace &work)
	C++ version of gsl_fft_halfcomplex_inverse(). More...

template<typename R , typename C >
int	unpack (R const &real_coefficient, C &complex_coefficient)
	C++ version of gsl_fft_halfcomplex_unpack(). More...

template<>
int	unpack (vector const &real_coefficient, vector_complex &complex_coefficient)
	C++ version of gsl_fft_halfcomplex_unpack(). More...

Detailed Description

Complex fast Fourier transforms.

Function Documentation

◆ backward() [1/4]

template<typename DATA >

int gsl::fft::halfcomplex::backward	(	DATA &	data,
		size_t const	stride,
		wavetable const &	wavetable,
		real::workspace &	work
	)

inline

C++ version of gsl_fft_halfcomplex_backward().

Works with std::array<double>, std::vector<double> and gsl::vector.

Parameters

data	An array of halfcomplex values as an array of double values.
stride	The stride of the array.
wavetable	A wavetable of size n.
work	A workspace of size n.

Returns: Error code on failure.

Definition at line 349 of file fft_halfcomplex.hpp.

References gsl::fft::halfcomplex::wavetable::get(), and gsl::fft::real::workspace::get().

◆ backward() [2/4]

template<typename DATA >

int gsl::fft::halfcomplex::backward	(	DATA &	data,
		wavetable const &	wavetable,
		real::workspace &	work
	)

inline

C++ version of gsl_fft_halfcomplex_backward().

Works with std::array<double>, std::vector<double> and gsl::vector.

Parameters

data	An array of halfcomplex values as an array of double values.
wavetable	A wavetable of size n.
work	A workspace of size n.

Returns: Error code on failure.

Definition at line 444 of file fft_halfcomplex.hpp.

References gsl::fft::halfcomplex::wavetable::get(), and gsl::fft::real::workspace::get().

◆ backward() [3/4]

int gsl::fft::halfcomplex::backward	(	gsl::complex_packed_array	data,
		size_t const	n,
		wavetable const &	wavetable,
		real::workspace &	work
	)

inline

C++ version of gsl_fft_halfcomplex_backward().

Parameters

data	An array of halfcomplex values as an array of double values.
n	The size of the array.
wavetable	A wavetable of size n.
work	A workspace of size n.

Returns: Error code on failure.

Definition at line 409 of file fft_halfcomplex.hpp.

References gsl::fft::halfcomplex::wavetable::get(), gsl::fft::real::workspace::get(), and gsl::rstat::n().

◆ backward() [4/4]

int gsl::fft::halfcomplex::backward	(	gsl::complex_packed_array	data,
		size_t const	stride,
		size_t const	n,
		wavetable const &	wavetable,
		real::workspace &	work
	)

inline

C++ version of gsl_fft_halfcomplex_backward().

Parameters

data	An array of halfcomplex values as an array of double values.
stride	The stride of the array.
n	The size of the array.
wavetable	A wavetable of size n.
work	A workspace of size n.

Returns: Error code on failure.

Definition at line 310 of file fft_halfcomplex.hpp.

References gsl::fft::halfcomplex::wavetable::get(), gsl::fft::real::workspace::get(), and gsl::rstat::n().

◆ inverse() [1/4]

template<typename DATA >

int gsl::fft::halfcomplex::inverse	(	DATA &	data,
		size_t const	stride,
		wavetable const &	wavetable,
		real::workspace &	work
	)

inline

C++ version of gsl_fft_halfcomplex_inverse().

Works with std::array<double>, std::vector<double> and gsl::vector.

Parameters

data	An array of halfcomplex values as an array of double values.
stride	The stride of the array.
wavetable	A wavetable of size n.
work	A workspace of size n.

Returns: Error code on failure.

Definition at line 364 of file fft_halfcomplex.hpp.

References gsl::fft::halfcomplex::wavetable::get(), and gsl::fft::real::workspace::get().

◆ inverse() [2/4]

template<typename DATA >

int gsl::fft::halfcomplex::inverse	(	DATA &	data,
		wavetable const &	wavetable,
		real::workspace &	work
	)

inline

C++ version of gsl_fft_halfcomplex_inverse().

Works with std::array<double>, std::vector<double> and gsl::vector.

Parameters

data	An array of halfcomplex values as an array of double values.
wavetable	A wavetable of size n.
work	A workspace of size n.

Returns: Error code on failure.

Definition at line 458 of file fft_halfcomplex.hpp.

References gsl::fft::halfcomplex::wavetable::get(), and gsl::fft::real::workspace::get().

◆ inverse() [3/4]

int gsl::fft::halfcomplex::inverse	(	gsl::complex_packed_array	data,
		size_t const	n,
		wavetable const &	wavetable,
		real::workspace &	work
	)

inline

C++ version of gsl_fft_halfcomplex_inverse().

Parameters

data	An array of halfcomplex values as an array of double values.
n	The size of the array.
wavetable	A wavetable of size n.
work	A workspace of size n.

Returns: Error code on failure.

Definition at line 421 of file fft_halfcomplex.hpp.

References gsl::fft::halfcomplex::wavetable::get(), gsl::fft::real::workspace::get(), and gsl::rstat::n().

◆ inverse() [4/4]

int gsl::fft::halfcomplex::inverse	(	gsl::complex_packed_array	data,
		size_t const	stride,
		size_t const	n,
		wavetable const &	wavetable,
		real::workspace &	work
	)

inline

C++ version of gsl_fft_halfcomplex_inverse().

Parameters

data	An array of halfcomplex values as an array of double values.
stride	The stride of the array.
n	The size of the array.
wavetable	A wavetable of size n.
work	A workspace of size n.

Returns: Error code on failure.

Definition at line 323 of file fft_halfcomplex.hpp.

References gsl::fft::halfcomplex::wavetable::get(), gsl::fft::real::workspace::get(), and gsl::rstat::n().

◆ unpack() [1/6]

int gsl::fft::halfcomplex::unpack	(	double const	real_coefficient[],
		double	complex_coefficient[],
		size_t const	n
	)

inline

C++ version of gsl_fft_halfcomplex_unpack().

Parameters

real_coefficient	An array of double values.
complex_coefficient	An array of double values for complex coefficients.
n	The size of the array.

Returns: Error code on failure.

Definition at line 432 of file fft_halfcomplex.hpp.

References gsl::rstat::n().

◆ unpack() [2/6]

int gsl::fft::halfcomplex::unpack	(	double const	real_coefficient[],
		double	complex_coefficient[],
		size_t const	stride,
		size_t const	n
	)

inline

C++ version of gsl_fft_halfcomplex_unpack().

Parameters

real_coefficient	An array of double values.
complex_coefficient	An array of double values for complex coefficients.
stride	The stride of the array.
n	The size of the array.

Returns: Error code on failure.

Definition at line 335 of file fft_halfcomplex.hpp.

References gsl::rstat::n().

◆ unpack() [3/6]

template<typename R , typename C >

int gsl::fft::halfcomplex::unpack	(	R const &	real_coefficient,
		C &	complex_coefficient
	)

inline

C++ version of gsl_fft_halfcomplex_unpack().

Works with std::array<double>, std::vector<double> and gsl::vector.

Parameters

real_coefficient	An array of double values.
complex_coefficient	An array of double values for complex coefficients.

Returns: Error code on failure.

Definition at line 471 of file fft_halfcomplex.hpp.

References gsl::movstat::max(), and gsl::rstat::n().

◆ unpack() [4/6]

template<typename R , typename C >

int gsl::fft::halfcomplex::unpack	(	R const &	real_coefficient,
		C &	complex_coefficient,
		size_t const	stride
	)

inline

C++ version of gsl_fft_halfcomplex_unpack().

Works with std::array<double>, std::vector<double> and gsl::vector.

Parameters

real_coefficient	An array of double values.
complex_coefficient	An array of double values for complex coefficients.
stride	The stride of the array.

Returns: Error code on failure.

Definition at line 378 of file fft_halfcomplex.hpp.

References gsl::movstat::max(), and gsl::rstat::n().

◆ unpack() [5/6]

template<>

int gsl::fft::halfcomplex::unpack	(	vector const &	real_coefficient,
		vector_complex &	complex_coefficient
	)

inline

C++ version of gsl_fft_halfcomplex_unpack().

Works with vector and vector_complex.

Parameters

real_coefficient	An array of double values.
complex_coefficient	An array of double values for complex coefficients.

Returns: Error code on failure.

Definition at line 483 of file fft_halfcomplex.hpp.

References gsl::vector::data(), gsl::vector_complex::data(), gsl::movstat::max(), gsl::rstat::n(), gsl::vector::size(), and gsl::vector_complex::size().

◆ unpack() [6/6]

template<>

int gsl::fft::halfcomplex::unpack	(	vector const &	real_coefficient,
		vector_complex &	complex_coefficient,
		size_t const	stride
	)

inline

C++ version of gsl_fft_halfcomplex_unpack().

Works with vector and vector_complex.

Parameters

real_coefficient	An array of double values.
complex_coefficient	An array of double values for complex coefficients.
stride	The stride of the array.

Returns: Error code on failure.

Definition at line 393 of file fft_halfcomplex.hpp.

References gsl::vector::data(), gsl::vector_complex::data(), gsl::movstat::max(), gsl::rstat::n(), gsl::vector::size(), and gsl::vector_complex::size().

Namespaces

Classes

Functions

Detailed Description

Function Documentation

◆ backward() [1/4]

◆ backward() [2/4]

◆ backward() [3/4]

◆ backward() [4/4]

◆ inverse() [1/4]

◆ inverse() [2/4]

◆ inverse() [3/4]

◆ inverse() [4/4]

◆ unpack() [1/6]

◆ unpack() [2/6]

◆ unpack() [3/6]

◆ unpack() [4/6]

◆ unpack() [5/6]

◆ unpack() [6/6]