Rack/plugins/community/repos/RJModules/src/libfft.h

/* libfft.h - include file for fast Fourier transform library
**
** Copyright (C) 1989 by Jef Poskanzer.
**
** Permission to use, copy, modify, and distribute this software and its
** documentation for any purpose and without fee is hereby granted, provided
** that the above copyright notice appear in all copies and that both that
** copyright notice and this permission notice appear in supporting
** documentation.  This software is provided "as is" without express or
** implied warranty.
*/

#include <stdbool.h>

void *initfft(int bits);
void destroyfft( void *fft );
void applyfft( void * fft, float *xr, float *xi, bool inv );