Defines | Functions

fftn.cc File Reference

#include "lo-mappers.h"
#include "defun-dld.h"
#include "error.h"
#include "gripes.h"
#include "oct-obj.h"
#include "utils.h"
Include dependency graph for fftn.cc:

Go to the source code of this file.

Defines

#define FFTSRC   "@sc{fftpack}"

Functions

 DEFUN_DLD (fftn, args,,"-*- texinfo -*-\n\ @deftypefn {Loadable Function} {} fftn (@var{A})\n\ @deftypefnx {Loadable Function} {} fftn (@var{A}, @var{size})\n\ Compute the N-dimensional discrete Fourier transform of @var{A} using\n\ a Fast Fourier Transform (FFT) algorithm.\n\ \n\ The optional vector argument @var{size} may be used specify the\n\ dimensions of the array to be used. If an element of @var{size} is\n\ smaller than the corresponding dimension of @var{A}, then the dimension of\n\ @var{A} is truncated prior to performing the FFT@. Otherwise, if an element\n\ of @var{size} is larger than the corresponding dimension then @var{A}\n\ is resized and padded with zeros.\n\ @seealso{ifftn, fft, fft2, fftw}\n\ @end deftypefn")
 DEFUN_DLD (ifftn, args,,"-*- texinfo -*-\n\ @deftypefn {Loadable Function} {} ifftn (@var{A})\n\ @deftypefnx {Loadable Function} {} ifftn (@var{A}, @var{size})\n\ Compute the inverse N-dimensional discrete Fourier transform of @var{A}\n\ using a Fast Fourier Transform (FFT) algorithm.\n\ \n\ The optional vector argument @var{size} may be used specify the\n\ dimensions of the array to be used. If an element of @var{size} is\n\ smaller than the corresponding dimension of @var{A}, then the dimension of\n\ @var{A} is truncated prior to performing the inverse FFT@. Otherwise, if an\n\ element of @var{size} is larger than the corresponding dimension then @var{A}\n\ is resized and padded with zeros.\n\ @seealso{fftn, ifft, ifft2, fftw}\n\ @end deftypefn")
static octave_value do_fftn (const octave_value_list &args, const char *fcn, int type)

Define Documentation

#define FFTSRC   "@sc{fftpack}"

Definition at line 40 of file fftn.cc.


Function Documentation

DEFUN_DLD ( fftn  ,
args   
)

Definition at line 152 of file fftn.cc.

References do_fftn().

DEFUN_DLD ( ifftn  ,
args   
)

Definition at line 171 of file fftn.cc.

References do_fftn().

static octave_value do_fftn ( const octave_value_list args,
const char fcn,
int  type 
) [static]
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