29 lines
654 B
C
29 lines
654 B
C
#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);
|
|
FFT_PLAN_T* make_fft_r2c(int size, float* input, complexf* output, int benchmark);
|
|
void fft_execute(FFT_PLAN_T* plan);
|
|
void fft_destroy(FFT_PLAN_T* plan);
|
|
|
|
#endif
|