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

  /external/chromium_org/third_party/libwebp/enc/
filter.c 152 double sxx = stats->xxm * stats->w - xmxm; local
159 if (sxx < 0.) sxx = 0.;
164 fden = (xmxm + ymym + C1) * (sxx + syy + C2);
171 const double sxx = s->xxm * s->w - s->xm * s->xm; local
174 const double SSE = iw2 * (sxx + syy - 2. * sxy);
  /external/chromium_org/third_party/libyuv/util/
ssim.cc 79 double sxx = xxm * iw - iwx * iwx; local
82 if (sxx < 0.) sxx = 0.;
84 const double sxsy = sqrt(sxx * syy);
90 const double c = (2. * sxsy + C22) / (sxx + syy + C22);

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