Lines Matching defs:tcos
77 s->tcos = av_malloc(n/2 * sizeof(FFTSample));
78 if (!s->tcos)
83 s->tsin = s->tcos + n4;
87 s->tsin = s->tcos + 1;
98 s->tcos[i*tstep] = -cos(alpha) * scale;
128 const FFTSample *tcos = s->tcos;
143 CMUL(z[j].re, z[j].im, *in2, *in1, tcos[k], tsin[k]);
152 CMUL(r0, i1, z[n8-k-1].im, z[n8-k-1].re, tsin[n8-k-1], tcos[n8-k-1]);
153 CMUL(r1, i0, z[n8+k ].im, z[n8+k ].re, tsin[n8+k ], tcos[n8+k ]);
191 const FFTSample *tcos = s->tcos;
206 CMUL(x[j].re, x[j].im, re, im, -tcos[i], tsin[i]);
211 CMUL(x[j].re, x[j].im, re, im, -tcos[n8 + i], tsin[n8 + i]);
219 CMUL(i1, r0, x[n8-i-1].re, x[n8-i-1].im, -tsin[n8-i-1], -tcos[n8-i-1]);
220 CMUL(i0, r1, x[n8+i ].re, x[n8+i ].im, -tsin[n8+i ], -tcos[n8+i ]);
230 av_freep(&s->tcos);