public static void Negate(ref Matrix2x3 matrix, out Matrix2x3 result)
{
float m11 = -matrix.M11;
float m12 = -matrix.M12;
float m13 = -matrix.M13;
float m21 = -matrix.M21;
float m22 = -matrix.M22;
float m23 = -matrix.M23;
result.M11 = m11;
result.M12 = m12;
result.M13 = m13;
result.M21 = m21;
result.M22 = m22;
result.M23 = m23;
}