diff options
author | Gard Spreemann <gspreemann@gmail.com> | 2017-04-20 11:15:58 +0200 |
---|---|---|
committer | Gard Spreemann <gspreemann@gmail.com> | 2017-04-20 11:15:58 +0200 |
commit | eadd3e18b55fc3b7a7d0420015902df2d58dcea5 (patch) | |
tree | ce025060ea9045415b1f738886c8c70ed32218e8 /cython/test/test_euclidean_witness_complex.py | |
parent | 5638527781e1d8cd916cd28f9d375eef7b5d820b (diff) | |
parent | 8d7329f3e5ad843e553c3c5503cecc28ef2eead6 (diff) |
Merge tag 'upstream/2.0.0' into dfsg/latest
Upstream's 2.0.0 release.
Diffstat (limited to 'cython/test/test_euclidean_witness_complex.py')
-rwxr-xr-x | cython/test/test_euclidean_witness_complex.py | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/cython/test/test_euclidean_witness_complex.py b/cython/test/test_euclidean_witness_complex.py new file mode 100755 index 00000000..737f1ef4 --- /dev/null +++ b/cython/test/test_euclidean_witness_complex.py @@ -0,0 +1,71 @@ +import gudhi + +"""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_euclidean_witness_complex(): + euclidean_witness = gudhi.EuclideanWitnessComplex() + assert euclidean_witness.__is_defined() == False + +def test_witness_complex(): + point_cloud = [[1.0, 1.0], [7.0, 0.0], [4.0, 6.0], [9.0, 6.0], + [0.0, 14.0], [2.0, 19.0], [9.0, 17.0]] + landmarks = [[1.0, 1.0], [7.0, 0.0], [4.0, 6.0]] + euclidean_witness_complex = gudhi.EuclideanWitnessComplex(landmarks=landmarks, witnesses = point_cloud) + simplex_tree = euclidean_witness_complex.create_simplex_tree(max_alpha_square=4.1) + + assert landmarks[0] == euclidean_witness_complex.get_point(0) + assert landmarks[1] == euclidean_witness_complex.get_point(1) + assert landmarks[2] == euclidean_witness_complex.get_point(2) + + assert simplex_tree.get_filtration() == [([0], 0.0), ([1], 0.0), + ([0, 1], 0.0), ([2], 0.0), ([0, 2], 0.0), ([1, 2], 0.0), + ([0, 1, 2], 0.0)] + +def test_empty_euclidean_strong_witness_complex(): + euclidean_strong_witness = gudhi.EuclideanStrongWitnessComplex() + assert euclidean_strong_witness.__is_defined() == False + +def test_strong_witness_complex(): + point_cloud = [[1.0, 1.0], [7.0, 0.0], [4.0, 6.0], [9.0, 6.0], + [0.0, 14.0], [2.0, 19.0], [9.0, 17.0]] + landmarks = [[1.0, 1.0], [7.0, 0.0], [4.0, 6.0]] + euclidean_strong_witness_complex = gudhi.EuclideanStrongWitnessComplex(landmarks=landmarks, witnesses = point_cloud) + simplex_tree = euclidean_strong_witness_complex.create_simplex_tree(max_alpha_square=14.9) + + assert landmarks[0] == euclidean_strong_witness_complex.get_point(0) + assert landmarks[1] == euclidean_strong_witness_complex.get_point(1) + assert landmarks[2] == euclidean_strong_witness_complex.get_point(2) + + assert simplex_tree.get_filtration() == [([0], 0.0), ([1], 0.0), ([2], 0.0)] + + simplex_tree = euclidean_strong_witness_complex.create_simplex_tree(max_alpha_square=100.0) + + assert simplex_tree.get_filtration() == [([0], 0.0), ([1], 0.0), + ([2], 0.0), ([1, 2], 15.0), ([0, 2], 34.0), ([0, 1], 37.0), + ([0, 1, 2], 37.0)] + |