public void Determinant() { for (int i = 0; i < count; i++) { Matrix4x4 a = new Matrix4x4(); Matrix4x4d ad = new Matrix4x4d(); RandomMatrix(ref a, ref ad); float value = Matrix4x4.Determinant(a); double valued = Matrix4x4d.Determinant(ad); Assert.True(Approximate(value, valued)); } }