public static void determinant()
{
Assert.Equal(660, _forDeterminant660.CalculateDeterminant());
Assert.Equal(0, _forDeterminant0.CalculateDeterminant());
Assert.Equal(0, new Matrix4(1, -1, 0, 2, -1, 1, 2, 3, 2, -2, 3, 4, 6, -6, 6, 1).CalculateDeterminant());
Assert.Equal(12, new Matrix4(1, 0, 2, 1, 2, -1, 1, 0, 1, 0, 0, 3, -1, 0, 2, 1).CalculateDeterminant());
}
public static void determinant_tricky()
{
var determinant = _determinantIsNegOne.CalculateDeterminant();
Assert.Equal(-1, determinant);
}