typedef cml::vector< Scalar, cml::fixed<3> > Vector3;
typedef cml::vector< Scalar, cml::fixed<4> > Vector4;
+typedef cml::matrix< Scalar, cml::fixed<2,2>,
+ cml::col_basis, cml::col_major > Matrix2;
typedef cml::matrix< Scalar, cml::fixed<3,3>,
cml::col_basis, cml::col_major > Matrix3;
typedef cml::matrix< Scalar, cml::fixed<4,4>,
typedef cml::quaternion< Scalar, cml::fixed<>, cml::vector_first,
cml::positive_cross > Quaternion;
+typedef cml::constants<Scalar> Constants;
+
+
+inline Vector3 demote(const Vector4& vec)
+{
+ return Vector3(vec[0], vec[1], vec[2]);
+}
+
+inline Vector2 demote(const Vector3& vec)
+{
+ return Vector2(vec[0], vec[1]);
+}
+
+inline Vector4 promote(const Vector3& vec, Scalar extra = 1.0)
+{
+ return Vector4(vec[0], vec[1], vec[2], extra);
+}
+
+inline Vector3 promote(const Vector2& vec, Scalar extra = 1.0)
+{
+ return Vector3(vec[0], vec[1], extra);
+}
+
+
const Scalar EPSILON = 0.000001;
* Check the equality of scalars with a certain degree of error allowed.
*/
-inline bool checkEquality(Scalar a, Scalar b, Scalar epsilon = EPSILON)
+inline bool isEqual(Scalar a, Scalar b, Scalar epsilon = EPSILON)
{
return std::abs(a - b) < epsilon;
}