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synced 2025-06-04 01:28:23 -04:00
getting ready to release version 1.0
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@ -3,8 +3,7 @@
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If the same buffer pointer is supplied for both in and out, kiss will
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manage the buffer copies.
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added kiss_fft2d as a separate source file (declarations in kiss_fft.h )
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added kiss_fft2d and kiss_fftr as separate source files (declarations in kiss_fft.h )
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0.4 : optimized for radix 2,3,4,5
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@ -58,15 +58,13 @@ void kiss_fft(const void * cfg,const kiss_fft_cpx *fin,kiss_fft_cpx *fout);
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void * kiss_fft2d_alloc(int nrows,int ncols,int inverse_fft);
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void kiss_fft2d(const void* cfg_from_alloc , const kiss_fft_cpx *fin,kiss_fft_cpx *fout );
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/* Real optimized version can save about 40% cpu time vs. complex fft of a real seq.
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/* Real optimized version can save about 45% cpu time vs. complex fft of a real seq.
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*/
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void * kiss_fftr_alloc(int nfft,int inverse_fft);
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void kiss_fftr(const void * cfg,const kiss_fft_scalar *timedata,kiss_fft_cpx *freqdata);
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void kiss_fftri(const void * cfg,const kiss_fft_cpx *freqdata,kiss_fft_scalar *timedata);
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/* when done with the cfg for a given fft size and direction, simply free it*/
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#define kiss_fft_free free
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@ -63,4 +63,4 @@ snr: all
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test: snr time fftw
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clean:
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rm -f *~ fftutil_* bm_* *.dat
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rm -f *~ fftutil_* bm_* tr_* *.dat
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@ -38,7 +38,7 @@ double snr_compare( kiss_fft_cpx * vec1,kiss_fft_cpx * vec2, int n)
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#ifndef RANDOM
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#define NFFT 8
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#else
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#define NFFT 1800
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#define NFFT 2*3*5*7*11
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#endif
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#ifndef NUMFFTS
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@ -63,4 +63,4 @@ snr: all
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test: snr time fftw
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clean:
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rm -f *~ fftutil_* bm_* *.dat
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rm -f *~ fftutil_* bm_* tr_* *.dat
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