def test_fwd_diff1_zero_slope(self):
np.testing.assert_array_equal(
FiniteDiff.fwd_diff1(self.ones, self.arange), self.zeros_trunc1)
np.testing.assert_array_equal(
FiniteDiff.fwd_diff1(self.zeros, self.arange), self.zeros_trunc1)
np.testing.assert_array_equal(FiniteDiff.fwd_diff1(self.zeros, 1.),
self.zeros_trunc1)
def test_fwd_diff1_zero_slope(self):
np.testing.assert_array_equal(FiniteDiff.fwd_diff1(self.ones,
self.arange),
self.zeros_trunc1)
np.testing.assert_array_equal(FiniteDiff.fwd_diff1(self.zeros,
self.arange),
self.zeros_trunc1)
np.testing.assert_array_equal(FiniteDiff.fwd_diff1(self.zeros, 1.),
self.zeros_trunc1)
def test_fwd_diff1_constant_slope(self):
np.testing.assert_array_equal(FiniteDiff.fwd_diff1(self.arange, 1.),
self.ones_trunc1)
np.testing.assert_array_equal(FiniteDiff.fwd_diff1(self.arange*-2.5,
1.),
self.ones_trunc1*-2.5)
def test_fwd_diff1_constant_slope(self):
np.testing.assert_array_equal(FiniteDiff.fwd_diff1(self.arange, 1.),
self.ones_trunc1)
np.testing.assert_array_equal(
FiniteDiff.fwd_diff1(self.arange * -2.5, 1.),
self.ones_trunc1 * -2.5)
