File vector2d.cxx# Functions const Vector2D operator*(const BoutReal lhs, const Vector2D &rhs)# const Vector2D operator*(const Field2D &lhs, const Vector2D &rhs)# const Vector3D operator*(const Field3D &lhs, const Vector2D &rhs)# Coordinates::FieldMetric abs(const Vector2D &v, const std::string ®ion)# Absolute value (Modulus) of given vector v |v| = sqrt( v dot v )