f1e6577b856fa088ad1af728d8387d1932658ce4,scipy/optimize/tests/test__linprog_clean_inputs.py,,test_aliasing2,#,38

Before Change

def test_aliasing2():
    c = np.array([1, 1])
    A_ub = np.array([[1, 1], [2, 2]])
    b_ub = np.array([[1], [1]])
    A_eq = np.array([[1, 1]])
    b_eq = np.array([1])
    bounds = [(-np.inf, np.inf), (None, 1)]

    c_copy = c.copy()
    A_ub_copy = A_ub.copy()
    b_ub_copy = b_ub.copy()
    A_eq_copy = A_eq.copy()
    b_eq_copy = b_eq.copy()
    bounds_copy = deepcopy(bounds)

    _clean_inputs(c, A_ub, b_ub, A_eq, b_eq, bounds)

    assert_allclose(c, c_copy, err_msg="c modified by _clean_inputs")
    assert_allclose(A_ub, A_ub_copy, err_msg="A_ub modified by _clean_inputs")
    assert_allclose(b_ub, b_ub_copy, err_msg="b_ub modified by _clean_inputs")

After Change

def test_aliasing2():
    lp = _LPProblem(
        c=np.array([1, 1]),
        A_ub=np.array([[1, 1], [2, 2]]),
        b_ub=np.array([[1], [1]]),
        A_eq=np.array([[1, 1]]),
        b_eq=np.array([1]),
        bounds=[(-np.inf, np.inf), (None, 1)]
    )

    lp_cleaned = _clean_inputs(lp)

    assert_allclose(lp_cleaned.c, lp.c, err_msg="c modified by _clean_inputs")
    assert_allclose(lp_cleaned.A_ub, lp.A_ub, err_msg="A_ub modified by _clean_inputs")
    assert_allclose(lp_cleaned.b_ub, lp.b_ub, err_msg="b_ub modified by _clean_inputs")

Instances