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Searched refs:sxy (Results 1 – 2 of 2) sorted by relevance

/external/apache-commons-math/src/main/java/org/apache/commons/math/optimization/fitting/
DHarmonicCoefficientsGuesser.java199 double sxy = 0.0; in guessAOmega() local
230 sxy += x * f2Integral; in guessAOmega()
237 double c1 = sy2 * sxz - sxy * syz; in guessAOmega()
238 double c2 = sxy * sxz - sx2 * syz; in guessAOmega()
239 double c3 = sx2 * sy2 - sxy * sxy; in guessAOmega()
/external/webp/src/enc/
Dfilter.c154 double sxy = stats->xym * stats->w - xmym; in VP8SSIMGet() local
163 fnum = (2 * xmym + C1) * (2 * sxy + C2); in VP8SSIMGet()
173 const double sxy = s->xym * s->w - s->xm * s->ym; in VP8SSIMGetSquaredError() local
174 const double SSE = iw2 * (sxx + syy - 2. * sxy); in VP8SSIMGetSquaredError()