GNU Octave  6.2.0
A high-level interpreted language, primarily intended for numerical computations, mostly compatible with Matlab
Public Member Functions | Static Public Member Functions | List of all members
octave::fftw Class Reference

#include "oct-fftw.h"

Public Member Functions

 fftw (const fftw &)=delete
 
 fftw (void)=delete
 
fftw & operator= (const fftw &)=delete
 

Static Public Member Functions

static int fft (const Complex *in, Complex *out, size_t npts, size_t nsamples=1, octave_idx_type stride=1, octave_idx_type dist=-1)
 
static int fft (const double *in, Complex *out, size_t npts, size_t nsamples=1, octave_idx_type stride=1, octave_idx_type dist=-1)
 
static int fft (const float *in, FloatComplex *out, size_t npts, size_t nsamples=1, octave_idx_type stride=1, octave_idx_type dist=-1)
 
static int fft (const FloatComplex *in, FloatComplex *out, size_t npts, size_t nsamples=1, octave_idx_type stride=1, octave_idx_type dist=-1)
 
static int fftNd (const Complex *, Complex *, const int, const dim_vector &)
 
static int fftNd (const double *, Complex *, const int, const dim_vector &)
 
static int fftNd (const float *, FloatComplex *, const int, const dim_vector &)
 
static int fftNd (const FloatComplex *, FloatComplex *, const int, const dim_vector &)
 
static int ifft (const Complex *in, Complex *out, size_t npts, size_t nsamples=1, octave_idx_type stride=1, octave_idx_type dist=-1)
 
static int ifft (const FloatComplex *in, FloatComplex *out, size_t npts, size_t nsamples=1, octave_idx_type stride=1, octave_idx_type dist=-1)
 
static int ifftNd (const Complex *, Complex *, const int, const dim_vector &)
 
static int ifftNd (const FloatComplex *, FloatComplex *, const int, const dim_vector &)
 

Detailed Description

Definition at line 331 of file oct-fftw.h.

Constructor & Destructor Documentation

◆ fftw() [1/2]

octave::fftw::fftw ( void  )
delete

◆ fftw() [2/2]

octave::fftw::fftw ( const fftw &  )
delete

Member Function Documentation

◆ fft() [1/4]

int octave::fftw::fft ( const Complex *  in,
Complex *  out,
size_t  npts,
size_t  nsamples = 1,
octave_idx_type  stride = 1,
octave_idx_type  dist = -1 
)
static

Definition at line 873 of file oct-fftw.cc.

References octave::fftw_planner::create_plan().

◆ fft() [2/4]

int octave::fftw::fft ( const double *  in,
Complex *  out,
size_t  npts,
size_t  nsamples = 1,
octave_idx_type  stride = 1,
octave_idx_type  dist = -1 
)
static

Definition at line 852 of file oct-fftw.cc.

References octave::convert_packcomplex_1d(), and octave::fftw_planner::create_plan().

Referenced by ComplexNDArray::fourier(), NDArray::fourier(), FloatComplexNDArray::fourier(), FloatNDArray::fourier(), ComplexMatrix::fourier(), Matrix::fourier(), FloatComplexMatrix::fourier(), and FloatMatrix::fourier().

◆ fft() [3/4]

int octave::fftw::fft ( const float *  in,
FloatComplex *  out,
size_t  npts,
size_t  nsamples = 1,
octave_idx_type  stride = 1,
octave_idx_type  dist = -1 
)
static

Definition at line 986 of file oct-fftw.cc.

References octave::convert_packcomplex_1d(), and octave::float_fftw_planner::create_plan().

◆ fft() [4/4]

int octave::fftw::fft ( const FloatComplex *  in,
FloatComplex *  out,
size_t  npts,
size_t  nsamples = 1,
octave_idx_type  stride = 1,
octave_idx_type  dist = -1 
)
static

Definition at line 1007 of file oct-fftw.cc.

References octave::float_fftw_planner::create_plan().

◆ fftNd() [1/4]

int octave::fftw::fftNd ( const Complex *  in,
Complex *  out,
const int  rank,
const dim_vector &  dv 
)
static

Definition at line 943 of file oct-fftw.cc.

References octave::fftw_planner::create_plan().

◆ fftNd() [2/4]

int octave::fftw::fftNd ( const double *  in,
Complex *  out,
const int  rank,
const dim_vector &  dv 
)
static

Definition at line 916 of file oct-fftw.cc.

References octave::convert_packcomplex_Nd(), octave::fftw_planner::create_plan(), and dim_vector::numel().

Referenced by ComplexMatrix::fourier2d(), ComplexNDArray::fourier2d(), Matrix::fourier2d(), NDArray::fourier2d(), FloatComplexMatrix::fourier2d(), FloatComplexNDArray::fourier2d(), FloatMatrix::fourier2d(), FloatNDArray::fourier2d(), ComplexNDArray::fourierNd(), NDArray::fourierNd(), FloatComplexNDArray::fourierNd(), and FloatNDArray::fourierNd().

◆ fftNd() [3/4]

int octave::fftw::fftNd ( const float *  in,
FloatComplex *  out,
const int  rank,
const dim_vector &  dv 
)
static

Definition at line 1051 of file oct-fftw.cc.

References octave::convert_packcomplex_Nd(), octave::float_fftw_planner::create_plan(), and dim_vector::numel().

◆ fftNd() [4/4]

int octave::fftw::fftNd ( const FloatComplex *  in,
FloatComplex *  out,
const int  rank,
const dim_vector &  dv 
)
static

Definition at line 1078 of file oct-fftw.cc.

References octave::float_fftw_planner::create_plan().

◆ ifft() [1/2]

int octave::fftw::ifft ( const Complex *  in,
Complex *  out,
size_t  npts,
size_t  nsamples = 1,
octave_idx_type  stride = 1,
octave_idx_type  dist = -1 
)
static

Definition at line 892 of file oct-fftw.cc.

References octave::fftw_planner::create_plan(), and scale().

Referenced by ComplexNDArray::ifourier(), FloatComplexNDArray::ifourier(), FloatNDArray::ifourier(), ComplexMatrix::ifourier(), Matrix::ifourier(), FloatComplexMatrix::ifourier(), and FloatMatrix::ifourier().

◆ ifft() [2/2]

int octave::fftw::ifft ( const FloatComplex *  in,
FloatComplex *  out,
size_t  npts,
size_t  nsamples = 1,
octave_idx_type  stride = 1,
octave_idx_type  dist = -1 
)
static

Definition at line 1026 of file oct-fftw.cc.

References octave::float_fftw_planner::create_plan(), and scale().

◆ ifftNd() [1/2]

int octave::fftw::ifftNd ( const Complex *  in,
Complex *  out,
const int  rank,
const dim_vector &  dv 
)
static

Definition at line 962 of file oct-fftw.cc.

References octave::fftw_planner::create_plan(), dim_vector::numel(), and scale().

Referenced by ComplexMatrix::ifourier2d(), ComplexNDArray::ifourier2d(), Matrix::ifourier2d(), NDArray::ifourier2d(), FloatComplexMatrix::ifourier2d(), FloatComplexNDArray::ifourier2d(), FloatMatrix::ifourier2d(), FloatNDArray::ifourier2d(), ComplexNDArray::ifourierNd(), NDArray::ifourierNd(), FloatComplexNDArray::ifourierNd(), and FloatNDArray::ifourierNd().

◆ ifftNd() [2/2]

int octave::fftw::ifftNd ( const FloatComplex *  in,
FloatComplex *  out,
const int  rank,
const dim_vector &  dv 
)
static

Definition at line 1097 of file oct-fftw.cc.

References octave::float_fftw_planner::create_plan(), dim_vector::numel(), and scale().

◆ operator=()

fftw& octave::fftw::operator= ( const fftw &  )
delete
The documentation for this class was generated from the following files: