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