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Diffstat (limited to 'src/cython/test/test_rips_complex.py')
-rwxr-xr-x | src/cython/test/test_rips_complex.py | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/cython/test/test_rips_complex.py b/src/cython/test/test_rips_complex.py new file mode 100755 index 00000000..877289cf --- /dev/null +++ b/src/cython/test/test_rips_complex.py @@ -0,0 +1,65 @@ +from gudhi import RipsComplex + +"""This file is part of the Gudhi Library. The Gudhi library + (Geometric Understanding in Higher Dimensions) is a generic C++ + library for computational topology. + + Author(s): Vincent Rouvreau + + Copyright (C) 2016 INRIA + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +""" + +__author__ = "Vincent Rouvreau" +__copyright__ = "Copyright (C) 2016 INRIA" +__license__ = "GPL v3" + + +def test_empty_rips(): + rips_complex = RipsComplex() + assert rips_complex.__is_defined() == True + assert rips_complex.__is_persistence_defined() == False + +def test_rips(): + point_list = [[0, 0], [1, 0], [0, 1], [1, 1]] + rips_complex = RipsComplex(points=point_list, max_dimension=1, + max_edge_length=42) + assert rips_complex.__is_defined() == True + assert rips_complex.__is_persistence_defined() == False + + assert rips_complex.num_simplices() == 10 + assert rips_complex.num_vertices() == 4 + + assert rips_complex.get_filtered_tree() == \ + [([0], 0.0), ([1], 0.0), ([2], 0.0), ([3], 0.0), + ([0, 1], 1.0), ([0, 2], 1.0), ([1, 3], 1.0), + ([2, 3], 1.0), ([1, 2], 1.4142135623730951), + ([0, 3], 1.4142135623730951)] + assert rips_complex.get_star_tree([0]) == \ + [([0], 0.0), ([0, 1], 1.0), ([0, 2], 1.0), + ([0, 3], 1.4142135623730951)] + assert rips_complex.get_coface_tree([0], 1) == \ + [([0, 1], 1.0), ([0, 2], 1.0), + ([0, 3], 1.4142135623730951)] + +def test_filtered_rips(): + point_list = [[0, 0], [1, 0], [0, 1], [1, 1]] + filtered_rips = RipsComplex(points=point_list, max_dimension=1, + max_edge_length=1.0) + assert filtered_rips.__is_defined() == True + assert filtered_rips.__is_persistence_defined() == False + + assert filtered_rips.num_simplices() == 8 + assert filtered_rips.num_vertices() == 4 |