r_det              62 ext/gd/libgd/gd_matrix.c 	double r_det = (src[0] * src[3] - src[1] * src[2]);
r_det              64 ext/gd/libgd/gd_matrix.c 	if (r_det <= 0.0) {
r_det              68 ext/gd/libgd/gd_matrix.c 	r_det = 1.0 / r_det;
r_det              69 ext/gd/libgd/gd_matrix.c 	dst[0] = src[3] * r_det;
r_det              70 ext/gd/libgd/gd_matrix.c 	dst[1] = -src[1] * r_det;
r_det              71 ext/gd/libgd/gd_matrix.c 	dst[2] = -src[2] * r_det;
r_det              72 ext/gd/libgd/gd_matrix.c 	dst[3] = src[0] * r_det;