Vector4 operator*(const Vector4 &v) const { return static_cast<const Base &>(*this)*v; }
Vector3 operator*(const Vector3 &v) const { return ((*this)*compose(v, 1.0f)).slice<3>(0); }
float operator[](unsigned) const;
Vector4 operator*(const Vector4 &v) const { return static_cast<const Base &>(*this)*v; }
Vector3 operator*(const Vector3 &v) const { return ((*this)*compose(v, 1.0f)).slice<3>(0); }
float operator[](unsigned) const;