kVToR             131 ext/gd/libgd/webpimg.c static int16_t kVToR[256], kUToB[256];
kVToR             138 ext/gd/libgd/webpimg.c     kVToR[i] = (89858 * (i - 128) + RGB_HALF) >> RGB_FRAC;
kVToR             152 ext/gd/libgd/webpimg.c   const int r_off = kVToR[v];