39     FFTComplex tmp[30];  in perm_twiddles()  local
49         tmp[6*k + 0] = s->exptab[k +  0];  in perm_twiddles()
50         tmp[6*k + 2] = s->exptab[k +  5];  in perm_twiddles()
51         tmp[6*k + 4] = s->exptab[k + 10];  in perm_twiddles()
53         tmp[6*k + 1] = s->exptab[2 * (k + 0)];  in perm_twiddles()
54         tmp[6*k + 3] = s->exptab[2 * (k + 5)];  in perm_twiddles()
55         tmp[6*k + 5] = s->exptab[2 *  k + 5 ];  in perm_twiddles()
60             { tmp[6*1 + k].re,  tmp[6*1 + k].re },  in perm_twiddles()
61             { tmp[6*2 + k].re,  tmp[6*2 + k].re },  in perm_twiddles()
62             { tmp[6*3 + k].re,  tmp[6*3 + k].re },  in perm_twiddles()
63             { tmp[6*4 + k].re,  tmp[6*4 + k].re },  in perm_twiddles()
64             { tmp[6*1 + k].im, -tmp[6*1 + k].im },  in perm_twiddles()
65             { tmp[6*2 + k].im, -tmp[6*2 + k].im },  in perm_twiddles()
66             { tmp[6*3 + k].im, -tmp[6*3 + k].im },  in perm_twiddles()
67             { tmp[6*4 + k].im, -tmp[6*4 + k].im },  in perm_twiddles()
75             { tmp[2*k + 0].re, -tmp[2*k + 0].im },  in perm_twiddles()
76             { tmp[2*k + 0].im,  tmp[2*k + 0].re },  in perm_twiddles()
77             { tmp[2*k + 1].re, -tmp[2*k + 1].im },  in perm_twiddles()
78             { tmp[2*k + 1].im,  tmp[2*k + 1].re },  in perm_twiddles()