def test_simplices_iterator():
st = SimplexTree()
assert st.insert([0, 1, 2], filtration=4.0) == True
assert st.insert([2, 3, 4], filtration=2.0) == True
for simplex in st.get_simplices():
print("simplex is: ", simplex[0])
assert st.find(simplex[0]) == True
print("filtration is: ", simplex[1])
assert st.filtration(simplex[0]) == simplex[1]
def test_reset_filtration():
st = SimplexTree()
assert st.insert([0, 1, 2], 3.) == True
assert st.insert([0, 3], 2.) == True
assert st.insert([3, 4, 5], 3.) == True
assert st.insert([0, 1, 6, 7], 4.) == True
# Guaranteed by construction
for simplex in st.get_simplices():
assert st.filtration(simplex[0]) >= 2.
# dimension until 5 even if simplex tree is of dimension 3 to test the limits
for dimension in range(5, -1, -1):
st.reset_filtration(0., dimension)
for simplex in st.get_skeleton(3):
print(simplex)
if len(simplex[0]) < (dimension) + 1:
assert st.filtration(simplex[0]) >= 2.
else:
assert st.filtration(simplex[0]) == 0.