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fwd kissfftndr sorta works, but the packing is wrong, or at least different from FFTW

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Mark Borgerding
2006-11-14 15:32:22 +00:00
parent 7f68a2916b
commit b4d5ded242
6 changed files with 264 additions and 28 deletions
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3
tools/kiss_fftnd.c
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@ -22,7 +22,7 @@ struct kiss_fftnd_state{
int ndims;
int *dims;
kiss_fft_cfg *states; /* cfg states for each dimension */
kiss_fft_cpx * tmpbuf; /*buffer capable of hold the entire buffer */
kiss_fft_cpx * tmpbuf; /*buffer capable of hold the entire input */
};
kiss_fftnd_cfg kiss_fftnd_alloc(const int *dims,int ndims,int inverse_fft,void*mem,size_t*lenmem)
@ -177,6 +177,7 @@ void kiss_fftnd(kiss_fftnd_cfg st,const kiss_fft_cpx *fin,kiss_fft_cpx *fout)
for ( k=0; k < st->ndims; ++k) {
int curdim = st->dims[k];
int stride = st->dimprod / curdim;
fprintf(stderr,"curdim = %d, stride = %d\n",curdim,stride);
for ( i=0 ; i<stride ; ++i )
kiss_fft_stride( st->states[k], bufin+i , bufout+i*curdim, stride );