def test_potential_function_zeros():
dists = np.zeros(10)
value = Probabilistic.potential_func(dists)
assert np.array_equal(value, np.ones(10))
def test_potential_function():
dists = np.array([1.0, 0.5, 2, 0.33])
value = Probabilistic.potential_func(dists)
assert np.allclose(value, [0.3679, 0.7788, 0.0183, 0.8968], atol=0.001)
def test_potential_function_batch():
dists = np.tile([1.0, 0.5, 2, 0.33], (10, 1))
value = Probabilistic.potential_func(dists)
expected = np.tile([0.3679, 0.7788, 0.0183, 0.8968], (10, 1))
assert np.allclose(value, expected, atol=0.001)