#ifndef FFT_H #define FFT_H /* Everything here comes from Audacity 1.3.13 (orignally in C++ and with more genericity and functionnality) Original Author : Dominic Mazzoni Licenced under GPL 2.0 (see LICENCE) */ #define PSNumS 256 #define PSHalf 128 void PowerSpectrum(float In[PSNumS], float Out[PSHalf]); void FFT(int NumSamples, int InverseTransform, float *RealIn, float *ImagIn, float *RealOut, float *ImagOut); void DeinitFFT(); #endif