def test_recipr(self):
X = np.array([[2, 1], [-1, 0]])
Y = tools.recipr(X)
assert_almost_equal(Y, np.array([[0.5, 1], [0, 0]]))
def test_recipr(self):
X = np.array([[2, 1], [-1, 0]])
Y = tools.recipr(X)
assert_almost_equal(Y, np.array([[0.5, 1], [0, 0]]))
