Esempio n. 1
0
    def test_perm_discrepancy(self):
        rng = np.random.default_rng(46449423132557934943847369749645759997)
        qmc_gen = qmc.LatinHypercube(5, seed=rng)
        sample = qmc_gen.random(10)
        disc = qmc.discrepancy(sample)

        for i in range(100):
            row_1 = rng.integers(10)
            row_2 = rng.integers(10)
            col = rng.integers(5)

            disc = _perturb_discrepancy(sample, row_1, row_2, col, disc)
            sample[row_1, col], sample[row_2, col] = (
                sample[row_2, col], sample[row_1, col])
            disc_reference = qmc.discrepancy(sample)
            assert_allclose(disc, disc_reference)
Esempio n. 2
0
    def test_perm_discrepancy(self):
        seed = np.random.RandomState(123456)
        qmc_gen = qmc.LatinHypercube(5, seed=seed)
        sample = qmc_gen.random(10)
        disc = qmc.discrepancy(sample)

        for i in range(100):
            row_1 = np.random.randint(10)
            row_2 = np.random.randint(10)
            col = np.random.randint(5)

            disc = _perturb_discrepancy(sample, row_1, row_2, col, disc)
            sample[row_1, col], sample[row_2,
                                       col] = (sample[row_2,
                                                      col], sample[row_1, col])
            disc_reference = qmc.discrepancy(sample)
            assert_allclose(disc, disc_reference)