Ejemplo n.º 1
0
def check_scatter_sq(value):
    """
    Check two processor, algorithm pairs against each other for SQ calculation
    :param value:
    :return:
    """
    # set everything up
    atoms, exp = value[:2]
    scat = ElasticScatter(exp_dict=exp, verbose=True)
    proc1, alg1 = value[-1][0]
    proc2, alg2 = value[-1][1]

    # run algorithm 1
    scat.set_processor(proc1, alg1)
    ans1 = scat.get_sq(atoms)

    # run algorithm 2
    scat.set_processor(proc2, alg2)
    ans2 = scat.get_sq(atoms)

    # test
    stats_check(ans1, ans2, rtol, atol)
    assert_allclose(ans1, ans2, rtol=rtol, atol=atol)
    # make certain we did not give back the same pointer
    assert ans1 is not ans2
Ejemplo n.º 2
0
def check_scatter_consistancy(value):
    atoms, exp = value[0:2]
    proc, alg = value[-1]

    scat = ElasticScatter(exp_dict=exp, verbose=True)
    scat.set_processor(proc, alg)
    ans = scat.get_pdf(atoms)
    ans1 = scat.get_fq(atoms)
    print(len(ans1))
    print(scat.get_scatter_vector().shape)
    ans2 = scat.get_sq(atoms)
    print(len(ans2))
    ans3 = scat.get_iq(atoms)
Ejemplo n.º 3
0
def check_scatter_sq(value):
    """
    Smoke test for SQ
    :param value:
    :return:
    """
    atoms, exp = value[0:2]
    proc, alg = value[-1]

    scat = ElasticScatter(exp_dict=exp, verbose=True)
    scat.set_processor(proc, alg)
    # Test a set of different sized ensembles
    
    ans = scat.get_sq(atoms)
    
    # Check that Scatter gave back something
    assert ans is not None
    # Check that all the values are not zero
    assert np.any(ans)
    del atoms, exp, proc, alg, scat, ans
    return