M_PI_2            918 libavcodec/atrac9dec.c         const float s_c  = sinf(sidx*M_PI - M_PI_2)*0.5f + 0.5f;
M_PI_2            919 libavcodec/atrac9dec.c         const float e_c  = sinf(eidx*M_PI - M_PI_2)*0.5f + 0.5f;
M_PI_2            415 libavcodec/siren.c         float angle = ((i + 0.5f) * M_PI_2) / 320.f;
M_PI_2             85 libavfilter/af_acontrast.c             float d = src[c] * M_PI_2;
M_PI_2            105 libavfilter/af_acontrast.c             double d = src[c] * M_PI_2;
M_PI_2            126 libavfilter/af_acontrast.c             float d = src[n] * M_PI_2;
M_PI_2            144 libavfilter/af_acontrast.c             double d = src[n] * M_PI_2;
M_PI_2            120 libavfilter/af_acrusher.c     return 0.5 * (sin(M_PI * (fabs(y - k) - aa1) / aa - M_PI_2) + 1);
M_PI_2            158 libavfilter/af_adeclick.c                                 (1. - (s->overlap / 100.)) * M_PI_2;
M_PI_2            145 libavfilter/af_asoftclip.c                 if (FFABS(src[n]) >= M_PI_2)
M_PI_2            202 libavfilter/af_asoftclip.c                 if (FFABS(src[n]) >= M_PI_2)
M_PI_2            134 libavfilter/af_flanger.c                            s->max_samples - 2., 3 * M_PI_2);
M_PI_2            329 libavfilter/af_surround.c         a *= reference / M_PI_2;
M_PI_2            341 libavfilter/af_surround.c     *x = av_clipf(a+a*FFMAX(0, p*p-M_PI_2), -1, 1);
M_PI_2            342 libavfilter/af_surround.c     *y = av_clipf(cosf(a*M_PI_2+M_PI)*cosf(M_PI_2-p/M_PI)*M_LN10+1, -1, 1);
M_PI_2            177 libavfilter/af_vibrato.c     ff_generate_wave_table(WAVE_SIN, AV_SAMPLE_FMT_DBL, s->wave_table, s->wave_table_size, 0.0, s->buf_size - 1, 3.0 * M_PI_2);
M_PI_2            562 libavfilter/avf_showspectrum.c             *vf *= 0.5f * cosf(M_PI * s->rotation + M_PI_2);
M_PI_2            566 libavfilter/avf_showspectrum.c         *vf += *vf * cosf(M_PI * s->rotation + M_PI_2);
M_PI_2           1056 libavfilter/vf_v360.c     } else if (phi >= -(M_PI_2 + M_PI_4) && phi < -M_PI_4) {
M_PI_2           1058 libavfilter/vf_v360.c         phi_norm = phi + M_PI_2;
M_PI_2           1059 libavfilter/vf_v360.c     } else if (phi >= M_PI_4 && phi < M_PI_2 + M_PI_4) {
M_PI_2           1061 libavfilter/vf_v360.c         phi_norm = phi - M_PI_2;
M_PI_2           1673 libavfilter/vf_v360.c     const float theta = ((2.f * j + 0.5f) / height - 1.f) * M_PI_2;
M_PI_2           1701 libavfilter/vf_v360.c     const float phi   = ((2.f * i + 0.5f) / width  - 1.f) * M_PI_2;
M_PI_2           1702 libavfilter/vf_v360.c     const float theta = ((2.f * j + 0.5f) / height - 1.f) * M_PI_2;
M_PI_2           1842 libavfilter/vf_v360.c     const float vf = (theta / M_PI_2 + 1.f) * height / 2.f;
M_PI_2           1879 libavfilter/vf_v360.c     const float uf = (phi   / M_PI_2 + 1.f) * width  / 2.f;
M_PI_2           1880 libavfilter/vf_v360.c     const float vf = (theta / M_PI_2 + 1.f) * height / 2.f;
M_PI_2           1885 libavfilter/vf_v360.c     const int visible = phi >= -M_PI_2 && phi <= M_PI_2;
M_PI_2           2016 libavfilter/vf_v360.c     const float phi = ((2.f * i + 1.f) / width  - 1.f) * M_PI + M_PI_2;
M_PI_2           2198 libavfilter/vf_v360.c     const float theta = ((2.f * j + 1.f) / height - 1.f) * M_PI_2;
M_PI_2           2235 libavfilter/vf_v360.c     const float vf = (theta / M_PI_2 + 1.f) * height / 2.f;
M_PI_2           2388 libavfilter/vf_v360.c         uf = tanf(M_PI_2 * uf);
M_PI_2           2393 libavfilter/vf_v360.c         vf = tanf(M_PI_2 * vf);
M_PI_2           2582 libavfilter/vf_v360.c     const float theta = M_PI_2 * (1.f - hypotf(uf, vf));
M_PI_2           3005 libavfilter/vf_v360.c     const float theta = m * M_PI_2 * (1.f - h);
M_PI_2           3252 libavfilter/vf_v360.c         v_shift = phi >= M_PI_2 || phi < -M_PI_2 ? eh : 0;
M_PI_2           3254 libavfilter/vf_v360.c         uf = fmodf(phi, M_PI_2) / M_PI_2;
M_PI_2           3272 libavfilter/vf_v360.c         if (theta <= 0.f && theta >= -M_PI_2 &&
M_PI_2           3273 libavfilter/vf_v360.c             phi <= M_PI_2 && phi >= -M_PI_2) {
M_PI_2           3278 libavfilter/vf_v360.c         } else if (theta >= 0.f && theta <= M_PI_2 &&
M_PI_2           3279 libavfilter/vf_v360.c                    phi <= M_PI_2 && phi >= -M_PI_2) {
M_PI_2           3283 libavfilter/vf_v360.c         } else if (theta <= 0.f && theta >= -M_PI_2) {
M_PI_2            184 libavfilter/vf_vignette.c     s->angle = av_clipf(s->angle, 0, M_PI_2);
M_PI_2             54 libavutil/mathematics.h #ifndef M_PI_2
M_PI_2            565 libavutil/tx_template.c         const double alpha = M_PI_2 * (i + theta) / len4;