1 /* 2 * fft.h 3 * Copyright 2011 John Lindgren 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions, and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions, and the following disclaimer in the documentation 13 * provided with the distribution. 14 * 15 * This software is provided "as is" and without any warranty, express or 16 * implied. In no event shall the authors be liable for any damages arising from 17 * the use of this software. 18 */ 19 20 #ifndef AUDACIOUS_FFT_H 21 #define AUDACIOUS_FFT_H 22 23 void calc_freq (const float data[512], float freq[256]); 24 25 #endif 26