Urow              822 ext/gd/libgd/webpimg.c     uint8* const Urow = U + y * uv_stride;
Urow              826 ext/gd/libgd/webpimg.c       Urow[x] = (((Urow[x] - 127) * 7) >> 3) + 128;
Urow              851 ext/gd/libgd/webpimg.c     uint8* const Urow = U + y * uv_stride;
Urow              855 ext/gd/libgd/webpimg.c       const int ru = (((Urow[x] - 128) * 73) >> 6) + 128;
Urow              857 ext/gd/libgd/webpimg.c       Urow[x] = (ru < 0) ? 0 : (ru > 255) ? 255u : ru;