def test_empty(VectorArray):
with pytest.raises(Exception):
VectorArray.empty(-1)
with pytest.raises(Exception):
VectorArray.empty(1, reserve=-1)
for dim, r in product((0, 1, 2, 10, 100), (0, 1, 100)):
v = VectorArray.empty(dim, reserve=r)
assert v.dim == dim
assert len(v) == 0
if hasattr(v, 'data'):
d = v.data
assert d.shape == (0, dim)
def test_zeros(VectorArray):
with pytest.raises(Exception):
VectorArray.zeros(-1)
with pytest.raises(Exception):
VectorArray.zeros(1, count=-1)
for dim, c in product((0, 1, 10, 100), (0, 1, 2, 30)):
v = VectorArray.zeros(dim, count=c)
assert v.dim == dim
assert len(v) == c
if min(dim, c) > 0:
assert max(v.sup_norm()) == 0
assert max(v.l2_norm()) == 0
if hasattr(v, 'data'):
d = v.data
assert d.shape == (c, dim)
assert np.allclose(d, np.zeros((c, dim)))
def test_amax_zero_dim(VectorArray):
for count in (0, 10):
v = VectorArray.zeros(0, count=count)
for ind in valid_inds(v):
with pytest.raises(Exception):
v.amax(ind)
