221 icvDFTInit( int n0, int nf, int* factors, int* itab, int elem_size, void* _wave, int inv_itab )  in icvDFTInit()  argument
230     if( n0 <= 5 )  in icvDFTInit()
233         itab[n0-1] = n0-1;  in icvDFTInit()
235         if( n0 != 4 )  in icvDFTInit()
237             for( i = 1; i < n0-1; i++ )  in icvDFTInit()
245         if( n0 == 5 )  in icvDFTInit()
252         if( n0 != 4 )  in icvDFTInit()
311                 for( i = n, j = radix[2]; i < n0; )  in icvDFTInit()
315                     if( (i += n) >= n0 )  in icvDFTInit()
331                 if( ++i >= n0 )  in icvDFTInit()
345             for( i = n0 & 1; i < n0; i += 2 )  in icvDFTInit()
355     if( (n0 & (n0-1)) == 0 )  in icvDFTInit()
362         t = -CV_PI*2/n0;  in icvDFTInit()
366     n = (n0+1)/2;  in icvDFTInit()
375         if( (n0 & 1) == 0 )  in icvDFTInit()
384             wave[n0-i].re = w.re;  in icvDFTInit()
385             wave[n0-i].im = -w.im;  in icvDFTInit()
400         if( (n0 & 1) == 0 )  in icvDFTInit()
410             wave[n0-i].re = (float)w.re;  in icvDFTInit()
411             wave[n0-i].im = (float)-w.im;  in icvDFTInit()
439     int n0 = n, f_idx, nx;  in icvDFT_64fc()  local
556             for( i = 0; i < n0; i += n )  in icvDFT_64fc()
616             for( i = 0; i < n0; i += n )  in icvDFT_64fc()
651             for( i = 0; i < n0; i += n )  in icvDFT_64fc()
687             for( i = 0; i < n0; i += n )  in icvDFT_64fc()
747             for( i = 0; i < n0; i += n )  in icvDFT_64fc()
828         for( i = 0; i < n0; i++ )  in icvDFT_64fc()
838         for( i = 0; i <= n0 - 2; i += 2 )  in icvDFT_64fc()
846         if( i < n0 )  in icvDFT_64fc()
847             dst[n0-1].im = -dst[n0-1].im;  in icvDFT_64fc()
862     int n0 = n, f_idx, nx;  in icvDFT_32fc()  local
982             for( i = 0; i < n0; i += n )  in icvDFT_32fc()
1042             for( i = 0; i < n0; i += n )  in icvDFT_32fc()
1077             for( i = 0; i < n0; i += n )  in icvDFT_32fc()
1113             for( i = 0; i < n0; i += n )  in icvDFT_32fc()
1173             for( i = 0; i < n0; i += n )  in icvDFT_32fc()
1257         for( i = 0; i < n0; i++ )  in icvDFT_32fc()
1267         for( i = 0; i <= n0 - 2; i += 2 )  in icvDFT_32fc()
1275         if( i < n0 )  in icvDFT_32fc()
1276             dst[n0-1].im = -dst[n0-1].im;  in icvDFT_32fc()