def test_add(self):
for v1, v2 in itertools.product(utils.ALL_VECTORS, utils.ALL_VECTORS):
utils.assert_vectors_almost_equal(v1 + v2, vector_ops.add(v1, v2))
def test_add_associative(self):
for v1, v2 in itertools.product(utils.ALL_VECTORS, utils.ALL_VECTORS):
for v3 in utils.ALL_VECTORS:
vec1 = vector_ops.add(vector_ops.add(v1, v2), v3)
vec2 = vector_ops.add(v1, vector_ops.add(v2, v3))
utils.assert_vectors_almost_equal(vec1, vec2)
def test_subtract(self):
for v1, v2 in itertools.product(utils.ALL_VECTORS, utils.ALL_VECTORS):
utils.assert_vectors_almost_equal(vector_ops.subtract(v1, v2),
vector_ops.add(v1, -v2))
def test_add_commutative(self):
for v1, v2 in itertools.product(utils.ALL_VECTORS, utils.ALL_VECTORS):
vec1 = vector_ops.add(v1, v2)
vec2 = vector_ops.add(v2, v1)
utils.assert_vectors_almost_equal(vec1, vec2)