def test_empty_input_b(self):
candidate_pairs = similarities.dice_coefficient(
(self.filters1, ()), self.default_threshold, self.default_k)
sims, (indices0, indices1) = candidate_pairs
assert len(sims) == len(indices0) == len(indices1) == 0
assert sims.typecode in FLOAT_ARRAY_TYPES
assert indices0.typecode in UINT_ARRAY_TYPES
assert indices1.typecode in UINT_ARRAY_TYPES
def test_default(self):
similarity = similarities.dice_coefficient(self.filters,
self.default_threshold,
self.default_k)
self._check_proportion(similarity)