def test_simple(self):
# Over these 7 points, there are 2 with edges within the same sample.
# [1,2]-[2,2] & [3,2]-[4,2]
# |
# | x
# | o o x x
# | x o
# |_ _ _ _ _ _ _
x = np.array([[1, 2], [2, 2], [3, 1]])
y = np.array([[1, 1], [2, 4], [3, 2], [4, 2]])
dm = xca.friedman_rafsky(x, y)
assert_almost_equal(dm, 2.0 / 7, 3)
def test_compare_with_matlab(self):
x, y = matlab_sample()
dm = xca.friedman_rafsky(x, y)
assert_almost_equal(dm, 0.96667, 4)