Searched refs:beta0 (Results 1 - 2 of 2) sorted by relevance

/external/opencv/cv/src/
H A Dcvsurf.cpp364 float alpha0, beta0, sz0, scale0; local
416 beta0 = (float)sin(descriptor_dir);
423 float alpha1 = (alpha0 - beta0)*sqrt_2*0.5f, beta1 = (alpha0 + beta0)*sqrt_2*0.5f;
466 alpha0*scale0, beta0*scale0, center.x,
467 -beta0*scale0, alpha0*scale0, center.y
/external/speex/libspeex/
H A Dmdf.c144 spx_word16_t beta0; member in struct:SpeexEchoState_
436 st->beta0 = DIV32_16(SHL32(EXTEND32(st->frame_size), 16), st->sampling_rate);
439 st->beta0 = (2.0f*st->frame_size)/st->sampling_rate;
1080 tmp32 = MULT16_32_Q15(st->beta0,Syy);
1241 st->beta0 = DIV32_16(SHL32(EXTEND32(st->frame_size), 16), st->sampling_rate);
1244 st->beta0 = (2.0f*st->frame_size)/st->sampling_rate;

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