dst[INDX2D(r, c, width)] = 0;
for (g = 0; g < filtersize; ++g) {
dst[INDX2D(r, c, width)] += GAUSS(src, r, c + GINDX(filtersize, g),
dst[INDX2D(r, c, width)] = 0;
for (g = 0; g < filtersize; ++g) {
dst[INDX2D(r, c, width)] += GAUSS(src, r, c + GINDX(filtersize, g),