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

/external/libpng/contrib/libtests/
Dpngvalid.c7919 double rlo, rhi, glo, ghi, blo, bhi, graylo, grayhi; in image_transform_png_set_rgb_to_gray_mod() local
8008 graylo = DD(rlo * (data.red_coefficient-ce) + in image_transform_png_set_rgb_to_gray_mod()
8011 if (graylo > gray) /* always accept the right answer */ in image_transform_png_set_rgb_to_gray_mod()
8012 graylo = gray; in image_transform_png_set_rgb_to_gray_mod()
8038 graylo = DD(pow(graylo, power), sample_depth, 1); in image_transform_png_set_rgb_to_gray_mod()
8057 if (fabs(gray - graylo) > err) in image_transform_png_set_rgb_to_gray_mod()
8058 err = fabs(graylo-gray); in image_transform_png_set_rgb_to_gray_mod()
/external/libpng/
DCHANGES5461 reduces graylo to 0, producing a large error.