csdr/fft_fftw.h

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2014-11-28 23:44:41 +08:00
#pragma once
#ifdef USE_FFTW
//http://www.fftw.org/doc/Complex-One_002dDimensional-DFTs.html
//http://www.fftw.org/doc/Precision.html
#include <fftw3.h>
#define FFT_LIBRARY_USED "fftw3"
#define FFT_PLAN_T struct fft_plan_s
#define fft_malloc fftwf_malloc
#define fft_free fftwf_free
struct fft_plan_s
{
int size;
void* input;
void* output;
fftwf_plan plan;
};
#include "libcsdr.h"
FFT_PLAN_T* make_fft_c2c(int size, complexf* input, complexf* output, int forward, int benchmark);
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FFT_PLAN_T* make_fft_r2c(int size, float* input, complexf* output, int benchmark);
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void fft_execute(FFT_PLAN_T* plan);
void fft_destroy(FFT_PLAN_T* plan);
#endif