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/*
This file is part of Octave.
Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
Octave is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING. If not, write to the Free
Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#if !defined (octave_oct_fftw_h)
#define octave_oct_fftw_h 1
#include <cstddef>
#include <fftw3.h>
#include "oct-cmplx.h"
#include "dim-vector.h"
class
octave_fftw
{
public:
static int fft (const double *in, Complex *out, size_t npts,
size_t nsamples = 1, int stride = 1, int dist = -1);
static int fft (const Complex *in, Complex *out, size_t npts,
size_t nsamples = 1, int stride = 1, int dist = -1);
static int ifft (const Complex *in, Complex *out, size_t npts,
size_t nsamples = 1, int stride = 1, int dist = -1);
static int fftNd (const double*, Complex*, const int, const dim_vector &);
static int fftNd (const Complex*, Complex*, const int,
const dim_vector &);
static int ifftNd (const Complex*, Complex*, const int,
const dim_vector &);
private:
octave_fftw ();
octave_fftw (const octave_fftw&);
octave_fftw& operator = (const octave_fftw&);
};
#endif
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/
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