gsl::fft::real Namespace Reference

Real fast Fourier transforms. More...

Namespaces
namespace	radix2
	Radix 2 transforms.

Classes
class	wavetable
	C++ version of gsl_fft_real_wavetable functions. More...
class	workspace
	Workspace for real fast fourier transforms. More...

Functions
int	transform (double data[], size_t const stride, size_t const n, wavetable const &wavetable, workspace &work)
	C++ version of gsl_fft_real_transform(). More...
int	unpack (double const real_coefficient[], double complex_coefficient[], size_t const stride, size_t const n)
	C++ version of gsl_fft_real_unpack(). More...
template<typename DATA >
int	transform (DATA &data, size_t const stride, wavetable const &wavetable, workspace &work)
	C++ version of gsl_fft_real_transform(). More...
template<typename R , typename C >
int	unpack (R const &real_coefficient, C &complex_coefficient, size_t const stride)
	C++ version of gsl_fft_real_unpack(). More...
template<>
int	unpack (vector const &real_coefficient, vector_complex &complex_coefficient, size_t const stride)
	C++ version of gsl_fft_real_unpack(). More...
int	transform (double data[], size_t const n, wavetable const &wavetable, workspace &work)
	C++ version of gsl_fft_real_transform(). More...
int	unpack (double const real_coefficient[], double complex_coefficient[], size_t const n)
	C++ version of gsl_fft_real_unpack(). More...
template<typename DATA >
int	transform (DATA &data, wavetable const &wavetable, workspace &work)
	C++ version of gsl_fft_real_transform(). More...
template<typename R , typename C >
int	unpack (R const &real_coefficient, C &complex_coefficient)
	C++ version of gsl_fft_real_unpack(). More...
template<>
int	unpack (vector const &real_coefficient, vector_complex &complex_coefficient)
	C++ version of gsl_fft_real_unpack(). More...

Detailed Description

Real fast Fourier transforms.

Function Documentation

transform() [1/4]

template<typename DATA >

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

inline

C++ version of gsl_fft_real_transform().

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

Parameters

data	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 507 of file fft_real.hpp.

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

transform() [2/4]

template<typename DATA >

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

inline

C++ version of gsl_fft_real_transform().

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

Parameters

data	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 574 of file fft_real.hpp.

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

transform() [3/4]

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

inline

C++ version of gsl_fft_real_transform().

Parameters

data	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 551 of file fft_real.hpp.

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

transform() [4/4]

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

inline

C++ version of gsl_fft_real_transform().

Parameters

data	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 481 of file fft_real.hpp.

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

unpack() [1/6]

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

inline

C++ version of gsl_fft_real_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 562 of file fft_real.hpp.

References gsl::rstat::n().

unpack() [2/6]

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

inline

C++ version of gsl_fft_real_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 493 of file fft_real.hpp.

References gsl::rstat::n().

unpack() [3/6]

template<typename R , typename C >

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

inline

C++ version of gsl_fft_real_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 586 of file fft_real.hpp.

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

unpack() [4/6]

template<typename R , typename C >

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

inline

C++ version of gsl_fft_real_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 520 of file fft_real.hpp.

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

unpack() [5/6]

template<>

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

inline

C++ version of gsl_fft_real_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 600 of file fft_real.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::real::unpack ( vector const &  real_coefficient, vector_complex &  complex_coefficient, size_t const  stride  )

inline

C++ version of gsl_fft_real_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 535 of file fft_real.hpp.

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