def test_copies(self):
x = np.random.uniform(low=0, high=1, size=(2, 100))
x0 = np.copy(x[0])
x1 = np.copy(x[1])
entropy.sampen(x0, 2, 0.1)
assert_equal(x0, x[0])
entropy.fuzzyen(x0, 2, 0.1, 2)
assert_equal(x0, x[0])
entropy.cross_sampen(x0, x1, 2, 0.1)
assert_equal(x0, x[0])
assert_equal(x1, x[1])
entropy.cross_fuzzyen(x0, x1, 2, 0.1, 2)
assert_equal(x0, x[0])
assert_equal(x1, x[1])
def test_sampen_1d(self):
e = entropy.sampen(self.data_1d, 2, 0.1)
assert_almost_equal(e, 0.70589052)