#ifndef KISSF_NDR_H #define KISSF_NDR_H #include "kissf_fft.h" #include "kissf_fftr.h" #include "kissf_fftnd.h" #ifdef __cplusplus extern "C" { #endif typedef struct kissf_fftndr_state *kissf_fftndr_cfg; kissf_fftndr_cfg kissf_fftndr_alloc(const int *dims,int ndims,int inverse_fft,void*mem,size_t*lenmem); /* dims[0] must be even If you don't care to allocate space, use mem = lenmem = NULL */ void kissf_fftndr( kissf_fftndr_cfg cfg, const kissf_fft_scalar *timedata, kissf_fft_cpx *freqdata); /* input timedata has dims[0] X dims[1] X ... X dims[ndims-1] scalar points output freqdata has dims[0] X dims[1] X ... X dims[ndims-1]/2+1 complex points */ void kissf_fftndri( kissf_fftndr_cfg cfg, const kissf_fft_cpx *freqdata, kissf_fft_scalar *timedata); /* input and output dimensions are the exact opposite of kissf_fftndr */ #define kissf_fftr_free free #ifdef __cplusplus } #endif #endif