Python is_constant Examples

Example #1

    def verify(self, t):
        v, X = utils.fourier_transform(t, self.f(t))
        self.assertTrue(utils.is_constant(np.diff(v), positive=True))
        assert_allclose(X, self.F(v), atol=self.atol)

        v, X = utils.fourier_transform(t, self.f(t), sign=-1)
        self.assertTrue(utils.is_constant(np.diff(v), positive=True))
        assert_allclose(X, self.F(-v), atol=self.atol)

        v, X = utils.fourier_transform(t, self.f(t), rw_freq=5)
        self.assertTrue(utils.is_constant(np.diff(v), positive=True))
        assert_allclose(X, self.F(v - 5), atol=self.atol)

Example #2

File: test_simulate_utils.py Project: shoyer/qspectra

    def verify(self, t):
        v, X = utils.fourier_transform(t, self.f(t))
        self.assertTrue(utils.is_constant(np.diff(v), positive=True))
        assert_allclose(X, self.F(v), atol=self.atol)

        v, X = utils.fourier_transform(t, self.f(t), sign=-1)
        self.assertTrue(utils.is_constant(np.diff(v), positive=True))
        assert_allclose(X, self.F(-v), atol=self.atol)

        v, X = utils.fourier_transform(t, self.f(t), rw_freq=5)
        self.assertTrue(utils.is_constant(np.diff(v), positive=True))
        assert_allclose(X, self.F(v - 5), atol=self.atol)

Example #3

def test_is_constant():
    assert utils.is_constant([1, 1, 1])
    assert utils.is_constant([-1, -1, -1])
    assert not utils.is_constant([1, 1, 1, 0])
    assert not utils.is_constant([1, 1, 1, 1], positive=False)
    assert utils.is_constant([1, 1, 1, 1], positive=True)
    assert utils.is_constant([-1, -1, -1], positive=False)
    assert utils.is_constant([-1, -1, -1], positive=False)

Example #4

File: test_simulate_utils.py Project: shoyer/qspectra

def test_is_constant():
    assert utils.is_constant([1, 1, 1])
    assert utils.is_constant([-1, -1, -1])
    assert not utils.is_constant([1, 1, 1, 0])
    assert not utils.is_constant([1, 1, 1, 1], positive=False)
    assert utils.is_constant([1, 1, 1, 1], positive=True)
    assert utils.is_constant([-1, -1, -1], positive=False)
    assert utils.is_constant([-1, -1, -1], positive=False)

Example #5

File: test_spectra.py Project: marwahaha/QSpectra

    def test_absorption_spectra(self):
        f, X = absorption_spectra(self.dyn, 10000)
        self.assertAlmostEqual(f[np.argmax(X)], 12500)
        self.assertTrue(is_constant(np.diff(f)))
        self.assertTrue(np.all(np.diff(X)[:int(len(X) / 2.0 - 1)] > 0))
        self.assertTrue(np.all(np.diff(X)[-int(len(X) / 2.0 - 1):] < 0))

        dyn2 = RedfieldModel(self.ham, rw_freq=12400,
                             discard_imag_corr=True, unit_convert=CM_FS)
        f2, X2 = absorption_spectra(dyn2, 10000)
        self.assertAlmostEqual(f2[np.argmax(X2)], 12500, 0)