+typedef double scalar; ///< Scalar variable.
+
+typedef cml::vector2d vector2;
+typedef cml::vector3d vector3;
+typedef cml::vector4d vector4;
+
+typedef cml::matrix33d_c matrix3;
+typedef cml::matrix44d_c matrix4;
+
+typedef cml::quaterniond_p quaternion;
+
+typedef cml::vector4f color;