Real fast Fourier transforms. More...

Namespaces
namespace	radix2
	Radix 2 transforms.

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

class	workspace
	Workspace for real fast fourier transforms. More...

Functions
int	transform (float data[], size_t const stride, size_t const n, wavetable const &wavetable, workspace &work)
	C++ version of gsl_fft_real_float_transform(). More...

int	unpack (float const real_float_coefficient[], float complex_coefficient[], size_t const stride, size_t const n)
	C++ version of gsl_fft_real_float_unpack(). More...

template<typename DATA >
int	transform (DATA &data, size_t const stride, wavetable const &wavetable, workspace &work)
	C++ version of gsl_fft_real_float_transform(). More...

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

template<>
int	unpack (vector_float const &real_float_coefficient, vector_complex_float &complex_coefficient, size_t const stride)
	C++ version of gsl_fft_real_float_unpack(). More...

int	transform (float data[], size_t const n, wavetable const &wavetable, workspace &work)
	C++ version of gsl_fft_real_float_transform(). More...

int	unpack (float const real_float_coefficient[], float complex_coefficient[], size_t const n)
	C++ version of gsl_fft_real_float_unpack(). More...

template<typename DATA >
int	transform (DATA &data, wavetable const &wavetable, workspace &work)
	C++ version of gsl_fft_real_float_transform(). More...

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

template<>
int	unpack (vector_float const &real_float_coefficient, vector_complex_float &complex_coefficient)
	C++ version of gsl_fft_real_float_unpack(). More...

Detailed Description

Real fast Fourier transforms.

Function Documentation

◆ transform() [1/4]

template<typename DATA >

int gsl::fft::real_float::transform	(	DATA &	data,
		size_t const	stride,
		wavetable const &	wavetable,
		workspace &	work
	)

inline

C++ version of gsl_fft_real_float_transform().

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

Parameters

data	An array of float 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 507 of file fft_real_float.hpp.

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

◆ transform() [2/4]

template<typename DATA >

int gsl::fft::real_float::transform	(	DATA &	data,
		wavetable const &	wavetable,
		workspace &	work
	)

inline

C++ version of gsl_fft_real_float_transform().

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

Parameters

data	An array of float values.
wavetable	A wavetable of size n.
work	A workspace of size n.

Returns: Error code on failure.

Definition at line 574 of file fft_real_float.hpp.

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

◆ transform() [3/4]

int gsl::fft::real_float::transform	(	float	data[],
		size_t const	n,
		wavetable const &	wavetable,
		workspace &	work
	)

inline

C++ version of gsl_fft_real_float_transform().

Parameters

data	An array of float 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 551 of file fft_real_float.hpp.

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

◆ transform() [4/4]

int gsl::fft::real_float::transform	(	float	data[],
		size_t const	stride,
		size_t const	n,
		wavetable const &	wavetable,
		workspace &	work
	)

inline

C++ version of gsl_fft_real_float_transform().

Parameters

data	An array of float 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 481 of file fft_real_float.hpp.

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

◆ unpack() [1/6]

int gsl::fft::real_float::unpack	(	float const	real_float_coefficient[],
		float	complex_coefficient[],
		size_t const	n
	)

inline

C++ version of gsl_fft_real_float_unpack().

Parameters

real_float_coefficient	An array of float values.
complex_coefficient	An array of float values for complex coefficients.
n	The size of the array.

Returns: Error code on failure.

Definition at line 562 of file fft_real_float.hpp.

References gsl::rstat::n().

◆ unpack() [2/6]

int gsl::fft::real_float::unpack	(	float const	real_float_coefficient[],
		float	complex_coefficient[],
		size_t const	stride,
		size_t const	n
	)

inline

C++ version of gsl_fft_real_float_unpack().

Parameters

real_float_coefficient	An array of float values.
complex_coefficient	An array of float values for complex coefficients.
stride	The stride of the array.
n	The size of the array.

Returns: Error code on failure.

Definition at line 493 of file fft_real_float.hpp.

References gsl::rstat::n().

◆ unpack() [3/6]

template<typename R , typename C >

int gsl::fft::real_float::unpack	(	R const &	real_float_coefficient,
		C &	complex_coefficient
	)

inline

C++ version of gsl_fft_real_float_unpack().

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

Parameters

real_float_coefficient	An array of float values.
complex_coefficient	An array of float values for complex coefficients.

Returns: Error code on failure.

Definition at line 586 of file fft_real_float.hpp.

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

◆ unpack() [4/6]

template<typename R , typename C >

int gsl::fft::real_float::unpack	(	R const &	real_float_coefficient,
		C &	complex_coefficient,
		size_t const	stride
	)

inline

C++ version of gsl_fft_real_float_unpack().

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

Parameters

real_float_coefficient	An array of float values.
complex_coefficient	An array of float values for complex coefficients.
stride	The stride of the array.

Returns: Error code on failure.

Definition at line 520 of file fft_real_float.hpp.

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

◆ unpack() [5/6]

template<>

int gsl::fft::real_float::unpack	(	vector_float const &	real_float_coefficient,
		vector_complex_float &	complex_coefficient
	)

inline

C++ version of gsl_fft_real_float_unpack().

Works with vector and vector_complex.

Parameters

real_float_coefficient	An array of float values.
complex_coefficient	An array of float values for complex coefficients.

Returns: Error code on failure.

Definition at line 600 of file fft_real_float.hpp.

References gsl::vector_complex_float::data(), gsl::vector_float::data(), gsl::movstat::max(), gsl::rstat::n(), gsl::vector_complex_float::size(), and gsl::vector_float::size().

◆ unpack() [6/6]

template<>

int gsl::fft::real_float::unpack	(	vector_float const &	real_float_coefficient,
		vector_complex_float &	complex_coefficient,
		size_t const	stride
	)

inline

C++ version of gsl_fft_real_float_unpack().

Works with vector and vector_complex.

Parameters

real_float_coefficient	An array of float values.
complex_coefficient	An array of float values for complex coefficients.
stride	The stride of the array.

Returns: Error code on failure.

Definition at line 535 of file fft_real_float.hpp.

References gsl::vector_complex_float::data(), gsl::vector_float::data(), gsl::movstat::max(), gsl::rstat::n(), gsl::vector_complex_float::size(), and gsl::vector_float::size().

Namespaces

Classes

Functions

Detailed Description

Function Documentation

◆ transform() [1/4]

◆ transform() [2/4]

◆ transform() [3/4]

◆ transform() [4/4]

◆ unpack() [1/6]

◆ unpack() [2/6]

◆ unpack() [3/6]

◆ unpack() [4/6]

◆ unpack() [5/6]

◆ unpack() [6/6]