Newer gcc versions are complaining about an ambiguity between the vector
multiplication operators in GL::Matrix and the scalar multiplication for
LinAl::Matrix.
Matrix operator*(const Matrix &m) const { return static_cast<const Base &>(*this)*static_cast<const Base &>(m); }
Matrix &operator*=(const Matrix &m) { Base::operator*=(m); return *this; }
+ Matrix operator*(float s) const { return static_cast<const Base &>(*this)*s; }
+ Matrix &operator*=(float s) { Base::operator*=(s); return *this; }
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;