Searched refs:variance_diff (Results 1 – 1 of 1) sorted by relevance
36 ALWAYS_INLINE static double variance_diff (double val,39 variance_diff (double val, const double good_enough) in variance_diff() function57 variancea += variance_diff (mean.a - px.a, 2.0 / 256.0) * weight; in box_variance()58 variancer += variance_diff (mean.r - px.r, 1.0 / 256.0) * weight; in box_variance()59 varianceg += variance_diff (mean.g - px.g, 1.0 / 256.0) * weight; in box_variance()60 varianceb += variance_diff (mean.b - px.b, 1.0 / 256.0) * weight; in box_variance()