GD_GENERALIZED_CUBIC 1187 ext/gd/gd.c    	REGISTER_LONG_CONSTANT("IMG_GENERALIZED_CUBIC", GD_GENERALIZED_CUBIC, CONST_CS | CONST_PERSISTENT);
GD_GENERALIZED_CUBIC 2509 ext/gd/libgd/gd_interpolation.c 		case GD_GENERALIZED_CUBIC: