325     FIXP_DBL *RESTRICT pDat_0 = &pDat[0];  in dct_IV()  local
330     for (i = 0; i < M-1; i+=2,pDat_0+=2,pDat_1-=2)  in dct_IV()
334       accu1 = pDat_1[1]; accu2 = pDat_0[0];  in dct_IV()
335       accu3 = pDat_0[1]; accu4 = pDat_1[0];  in dct_IV()
340       pDat_0[0] = accu2; pDat_0[1] = accu1;  in dct_IV()
347       accu1 = pDat_1[1]; accu2 = pDat_0[0];  in dct_IV()
351       pDat_0[0] = accu2; pDat_0[1] = accu1;  in dct_IV()
364     FIXP_DBL *RESTRICT pDat_0 = &pDat[0];  in dct_IV()  local
373     pDat_1[1] = -(pDat_0[1]>>1);  in dct_IV()
374     pDat_0[0] = (pDat_0[0]>>1);  in dct_IV()
382       pDat_0[1] =  accu3;  in dct_IV()
385       pDat_0+=2;  in dct_IV()
388       cplxMultDiv2(&accu3, &accu4, pDat_0[1], pDat_0[0], twd);  in dct_IV()
394       pDat_0[0] =  accu4;  in dct_IV()
404       pDat_0[1] = accu1 - accu2;  in dct_IV()
450     FIXP_DBL *RESTRICT pDat_0 = &pDat[0];  in dst_IV()  local
456     for (i = 0; i < M-1; i+=2,pDat_0+=2,pDat_1-=2)  in dst_IV()
460       accu1 =  pDat_1[1]; accu2 = -pDat_0[0];  in dst_IV()
461       accu3 =  pDat_0[1]; accu4 = -pDat_1[0];  in dst_IV()
466       pDat_0[0] = accu2; pDat_0[1] = accu1;  in dst_IV()
473       accu1 =  pDat_1[1]; accu2 = -pDat_0[0];  in dst_IV()
477       pDat_0[0] = accu2; pDat_0[1] = accu1;  in dst_IV()
489     FIXP_DBL *RESTRICT pDat_0;  in dst_IV()  local
494     pDat_0 = &pDat[0];  in dst_IV()
501     pDat_1[1] = -(pDat_0[0]>>1);  in dst_IV()
502     pDat_0[0] = (pDat_0[1]>>1);  in dst_IV()
510       pDat_0[1] =  -accu4;  in dst_IV()
512       pDat_0+=2;  in dst_IV()
515       cplxMultDiv2(&accu3, &accu4, pDat_0[1], pDat_0[0], twd);  in dst_IV()
520       pDat_0[0] =  accu3;  in dst_IV()
530       pDat_0[1] = - accu1 - accu2;  in dst_IV()