def test_normalize_field_smaller_equal_one(self):
field = Field((20, 20), Field.Orientation.center, '')
field.update(np.random.random([20, 20]) * 3 - 1)
rel_field = field.normalized(0, 1)
assert np.all(rel_field <= 1)
def test_normalize_field_non_negative_entries(self):
field = Field((20, 20), Field.Orientation.center, '')
field.update(np.random.random([20, 20]) * 3 - 1)
rel_field = field.normalized(0, 1)
assert np.all(rel_field >= 0)
