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from gudhi import TangentialComplex, SimplexTree
"""This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details.
Author(s): Vincent Rouvreau
Copyright (C) 2016 Inria
Modification(s):
- YYYY/MM Author: Description of the modification
"""
__author__ = "Vincent Rouvreau"
__copyright__ = "Copyright (C) 2016 Inria"
__license__ = "GPL v3"
def test_tangential():
point_list = [[0.0, 0.0], [1.0, 0.0], [0.0, 1.0], [1.0, 1.0]]
tc = TangentialComplex(intrisic_dim = 1, points=point_list)
assert tc.__is_defined() == True
assert tc.num_vertices() == 4
assert tc.num_simplices() == 0
assert tc.num_inconsistent_simplices() == 0
assert tc.num_inconsistent_stars() == 0
tc.compute_tangential_complex()
assert tc.num_vertices() == 4
assert tc.num_simplices() == 4
assert tc.num_inconsistent_simplices() == 0
assert tc.num_inconsistent_stars() == 0
st = tc.create_simplex_tree()
assert st.__is_defined() == True
assert st.__is_persistence_defined() == False
assert st.num_simplices() == 6
assert st.num_vertices() == 4
assert st.get_filtration() == \
[([0], 0.0), ([1], 0.0), ([2], 0.0), ([0, 2], 0.0), ([3], 0.0), ([1, 3], 0.0)]
assert st.get_cofaces([0], 1) == [([0, 2], 0.0)]
assert point_list[0] == tc.get_point(0)
assert point_list[1] == tc.get_point(1)
assert point_list[2] == tc.get_point(2)
assert point_list[3] == tc.get_point(3)
assert tc.get_point(4) == []
assert tc.get_point(125) == []
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