Searched refs:Sxx (Results 1 – 3 of 3) sorted by relevance
| /external/skia/bench/ |
| D | bench_util.py | 274 Sxx = 0.0
285 Sxx += x*x
289 denom = n*Sxx - Sx*Sx
302 sa2 = sB2 * (1.0/n) * Sxx
|
| /external/speex/libspeex/ |
| D | mdf.c | 696 spx_word32_t Syy,See,Sxx,Sdd, Sff; in speex_echo_cancellation() local
789 Sxx = 0; in speex_echo_cancellation()
792 … Sxx += mdf_inner_prod(st->x+speak*N+st->frame_size, st->x+speak*N+st->frame_size, st->frame_size); in speex_echo_cancellation()
1020 if (!(Syy>=0 && Sxx>=0 && See >= 0) in speex_echo_cancellation()
1022 || !(Sff < N*1e9 && Syy < N*1e9 && Sxx < N*1e9) in speex_echo_cancellation()
1050 … Sxx += mdf_inner_prod(st->x+speak*N+st->frame_size, st->x+speak*N+st->frame_size, st->frame_size); in speex_echo_cancellation()
1107 tmp32 = ADD32(SHR32(Sxx,13), ADD32(tmp32, SHL32(tmp32,1))); in speex_echo_cancellation()
1121 RER = (.0001*Sxx + 3.*MULT16_32_Q15(st->leak_estimate,Syy)) / See; in speex_echo_cancellation()
1159 if (Sxx > SHR32(MULT16_16(N, 1000),6)) in speex_echo_cancellation()
1161 tmp32 = MULT16_32_Q15(QCONST16(.25f, 15), Sxx); in speex_echo_cancellation()
|
| /external/autotest/client/site_tests/firmware_TouchMTB/ |
| D | validators.py | 452 Sxx = np.square(self._ax).sum()
463 self._beta = 1.0 * (asize * Sxy - Sx * Sy) / (asize * Sxx - Sx2)
|