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- /*
- ZynAddSubFX - a software synthesizer
-
- FFTwrapper.h - A wrapper for Fast Fourier Transforms
- Copyright (C) 2002-2004 Nasca Octavian Paul
- Author: Nasca Octavian Paul
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of version 2 of the GNU General Public License
- as published by the Free Software Foundation.
-
- This program 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 (version 2) for more details.
-
- You should have received a copy of the GNU General Public License (version 2)
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- */
-
- #ifndef FFT_WRAPPER_H
- #define FFT_WRAPPER_H
-
- #include "../globals.h"
-
- #ifdef FFTW_VERSION_2
-
- #include <fftw.h>
-
- /* If you got error messages about rfftw.h, replace the next include line with "#include <srfftw.h>"
- or with "#include <drfftw.h> (if one doesn't work try the other). It may be necessary to replace
- the <fftw.h> with <dfftw.h> or <sfftw.h>. If the neither one doesn't work,
- please install latest version of fftw(recomanded from the sources) from www.fftw.org.
- If you'll install fftw3 you need to change the Makefile.inc
- Hope all goes right." */
- #include <rfftw.h>
-
- #else
-
- #include <fftw3.h>
- #define fftw_real double
- #define rfftw_plan fftw_plan
- #endif
-
- class FFTwrapper{
- public:
- FFTwrapper(int fftsize_);
- ~FFTwrapper();
- void smps2freqs(REALTYPE *smps,REALTYPE *freqs);
- void freqs2smps(REALTYPE *freqs,REALTYPE *smps);
- private:
- int fftsize;
- fftw_real *tmpfftdata1,*tmpfftdata2;
- rfftw_plan planfftw,planfftw_inv;
- };
- #endif
-
-