Python contravariant_order 예제들

예제 #1

파일: test_diffgeom.py 프로젝트: Blendify/diofant

def test_correct_arguments():
    pytest.raises(ValueError, lambda: R2.e_x(R2.e_x))
    pytest.raises(ValueError, lambda: R2.e_x(R2.dx))

    pytest.raises(ValueError, lambda: Commutator(R2.e_x, R2.x))
    pytest.raises(ValueError, lambda: Commutator(R2.dx, R2.e_x))

    pytest.raises(ValueError, lambda: Differential(Differential(R2.e_x)))

    pytest.raises(ValueError, lambda: R2.dx(R2.x))

    pytest.raises(ValueError, lambda: TensorProduct(R2.e_x, R2.dx))

    pytest.raises(ValueError, lambda: LieDerivative(R2.dx, R2.dx))
    pytest.raises(ValueError, lambda: LieDerivative(R2.x, R2.dx))

    pytest.raises(ValueError, lambda: CovarDerivativeOp(R2.dx, []))
    pytest.raises(ValueError, lambda: CovarDerivativeOp(R2.x, []))

    a = Symbol('a')
    pytest.raises(ValueError, lambda: intcurve_series(R2.dx, a, R2_r.point([1, 2])))
    pytest.raises(ValueError, lambda: intcurve_series(R2.x, a, R2_r.point([1, 2])))

    pytest.raises(ValueError, lambda: intcurve_diffequ(R2.dx, a, R2_r.point([1, 2])))
    pytest.raises(ValueError, lambda: intcurve_diffequ(R2.x, a, R2_r.point([1, 2])))

    pytest.raises(ValueError, lambda: contravariant_order(R2.e_x + R2.dx))
    pytest.raises(ValueError, lambda: contravariant_order(R2.dx**2))
    pytest.raises(ValueError, lambda: covariant_order(R2.e_x + R2.dx))

    pytest.raises(ValueError, lambda: contravariant_order(R2.e_x*R2.e_y))
    pytest.raises(ValueError, lambda: covariant_order(R2.dx*R2.dy))

    assert covariant_order(Integer(0), True) == -1
    assert contravariant_order(Integer(0), True) == -1

예제 #2

파일: test_diffgeom.py 프로젝트: skirpichev/diofant

def test_correct_arguments():
    pytest.raises(ValueError, lambda: R2.e_x(R2.e_x))
    pytest.raises(ValueError, lambda: R2.e_x(R2.dx))

    pytest.raises(ValueError, lambda: Commutator(R2.e_x, R2.x))
    pytest.raises(ValueError, lambda: Commutator(R2.dx, R2.e_x))

    pytest.raises(ValueError, lambda: Differential(Differential(R2.e_x)))

    pytest.raises(ValueError, lambda: R2.dx(R2.x))

    pytest.raises(ValueError, lambda: TensorProduct(R2.e_x, R2.dx))

    pytest.raises(ValueError, lambda: LieDerivative(R2.dx, R2.dx))
    pytest.raises(ValueError, lambda: LieDerivative(R2.x, R2.dx))

    pytest.raises(ValueError, lambda: CovarDerivativeOp(R2.dx, []))
    pytest.raises(ValueError, lambda: CovarDerivativeOp(R2.x, []))

    a = Symbol('a')
    pytest.raises(ValueError, lambda: intcurve_series(R2.dx, a, R2_r.point([1, 2])))
    pytest.raises(ValueError, lambda: intcurve_series(R2.x, a, R2_r.point([1, 2])))

    pytest.raises(ValueError, lambda: intcurve_diffequ(R2.dx, a, R2_r.point([1, 2])))
    pytest.raises(ValueError, lambda: intcurve_diffequ(R2.x, a, R2_r.point([1, 2])))

    pytest.raises(ValueError, lambda: contravariant_order(R2.e_x + R2.dx))
    pytest.raises(ValueError, lambda: contravariant_order(R2.dx**2))
    pytest.raises(ValueError, lambda: covariant_order(R2.e_x + R2.dx))

    pytest.raises(ValueError, lambda: contravariant_order(R2.e_x*R2.e_y))
    pytest.raises(ValueError, lambda: covariant_order(R2.dx*R2.dy))

    assert covariant_order(Integer(0), True) == -1
    assert contravariant_order(Integer(0), True) == -1