gdAffineConcat   5352 gd.c           	if (gdAffineConcat (mr, m1, m2) != GD_TRUE) {
gdAffineConcat    866 libgd/gd.h     int gdAffineConcat (double dst[6], const double m1[6], const double m2[6]);
gdAffineConcat   2293 libgd/gd_interpolation.c 	gdAffineConcat(m, affine, m);