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    Searched defs:syy (Results 1 - 2 of 2) sorted by null

  /external/chromium_org/third_party/libwebp/enc/
filter.c 153 double syy = stats->yym * stats->w - ymym; local
160 if (syy < 0.) syy = 0.;
164 fden = (xmxm + ymym + C1) * (sxx + syy + C2);
172 const double syy = s->yym * s->w - s->ym * s->ym; local
174 const double SSE = iw2 * (sxx + syy - 2. * sxy);
  /external/chromium_org/third_party/libyuv/util/
ssim.cc 80 double syy = yym * iw - iwy * iwy; local
83 if (syy < 0.) syy = 0.;
84 const double sxsy = sqrt(sxx * syy);
90 const double c = (2. * sxsy + C22) / (sxx + syy + C22);

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