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diff --git a/muse_qt4_evolution/synti/zynaddsubfx/DSP/FFTwrapper.h b/muse_qt4_evolution/synti/zynaddsubfx/DSP/FFTwrapper.h
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+++ b/muse_qt4_evolution/synti/zynaddsubfx/DSP/FFTwrapper.h
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+/*
+  ZynAddSubFX - a software synthesizer
+ 
+  FFTwrapper.h  -  A wrapper for Fast Fourier Transforms
+  Copyright (C) 2002-2005 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,FFTFREQS freqs);
+	void freqs2smps(FFTFREQS freqs,REALTYPE *smps);
+    private:
+	int fftsize;
+	fftw_real *tmpfftdata1,*tmpfftdata2;
+	rfftw_plan planfftw,planfftw_inv;
+};
+#endif
+