sin_t             201 ext/gd/libgd/gd_matrix.c 	const double sin_t = sin (angle * M_PI / 180.0);
sin_t             205 ext/gd/libgd/gd_matrix.c 	dst[1] = sin_t;
sin_t             206 ext/gd/libgd/gd_matrix.c 	dst[2] = -sin_t;