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-rwxr-xr-xsrc/cython/test/test_simplex_tree.py159
1 files changed, 101 insertions, 58 deletions
diff --git a/src/cython/test/test_simplex_tree.py b/src/cython/test/test_simplex_tree.py
index cb701c9a..8d8971c1 100755
--- a/src/cython/test/test_simplex_tree.py
+++ b/src/cython/test/test_simplex_tree.py
@@ -1,30 +1,18 @@
from gudhi import SimplexTree
-"""This file is part of the Gudhi Library. The Gudhi library
- (Geometric Understanding in Higher Dimensions) is a generic C++
- library for computational topology.
+""" 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
- Author(s): Vincent Rouvreau
+ Copyright (C) 2016 Inria
- 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/>.
+ Modification(s):
+ - YYYY/MM Author: Description of the modification
"""
__author__ = "Vincent Rouvreau"
__copyright__ = "Copyright (C) 2016 Inria"
-__license__ = "GPL v3"
+__license__ = "MIT"
def test_insertion():
@@ -51,7 +39,7 @@ def test_insertion():
assert st.find([0]) == True
assert st.find([1]) == True
assert st.find([2]) == True
- assert st.find([3]) == False
+ assert st.find([3]) == False
assert st.find([0, 3]) == False
assert st.find([1, 3]) == False
assert st.find([2, 3]) == False
@@ -67,21 +55,36 @@ def test_insertion():
assert st.filtration([1]) == 0.0
# skeleton test
- assert st.get_skeleton(2) == \
- [([0, 1, 2], 4.0), ([0, 1], 0.0), ([0, 2], 4.0),
- ([0], 0.0), ([1, 2], 4.0), ([1], 0.0), ([2], 4.0)]
- assert st.get_skeleton(1) == \
- [([0, 1], 0.0), ([0, 2], 4.0), ([0], 0.0),
- ([1, 2], 4.0), ([1], 0.0), ([2], 4.0)]
- assert st.get_skeleton(0) == \
- [([0], 0.0), ([1], 0.0), ([2], 4.0)]
+ assert st.get_skeleton(2) == [
+ ([0, 1, 2], 4.0),
+ ([0, 1], 0.0),
+ ([0, 2], 4.0),
+ ([0], 0.0),
+ ([1, 2], 4.0),
+ ([1], 0.0),
+ ([2], 4.0),
+ ]
+ assert st.get_skeleton(1) == [
+ ([0, 1], 0.0),
+ ([0, 2], 4.0),
+ ([0], 0.0),
+ ([1, 2], 4.0),
+ ([1], 0.0),
+ ([2], 4.0),
+ ]
+ assert st.get_skeleton(0) == [([0], 0.0), ([1], 0.0), ([2], 4.0)]
# remove_maximal_simplex test
assert st.get_cofaces([0, 1, 2], 1) == []
st.remove_maximal_simplex([0, 1, 2])
- assert st.get_skeleton(2) == \
- [([0, 1], 0.0), ([0, 2], 4.0), ([0], 0.0),
- ([1, 2], 4.0), ([1], 0.0), ([2], 4.0)]
+ assert st.get_skeleton(2) == [
+ ([0, 1], 0.0),
+ ([0, 2], 4.0),
+ ([0], 0.0),
+ ([1, 2], 4.0),
+ ([1], 0.0),
+ ([2], 4.0),
+ ]
assert st.find([0, 1, 2]) == False
assert st.find([0, 1]) == True
assert st.find([0, 2]) == True
@@ -90,7 +93,10 @@ def test_insertion():
assert st.find([2]) == True
st.initialize_filtration()
- assert st.persistence(persistence_dim_max = True) == [(1, (4.0, float('inf'))), (0, (0.0, float('inf')))]
+ assert st.persistence(persistence_dim_max=True) == [
+ (1, (4.0, float("inf"))),
+ (0, (0.0, float("inf"))),
+ ]
assert st.__is_persistence_defined() == True
assert st.betti_numbers() == [1, 1]
@@ -100,6 +106,7 @@ def test_insertion():
assert st.persistent_betti_numbers(4.0, 10000.0) == [1, 1]
assert st.persistent_betti_numbers(9999.0, 10000.0) == [1, 1]
+
def test_expansion():
st = SimplexTree()
assert st.__is_defined() == True
@@ -119,21 +126,56 @@ def test_expansion():
assert st.num_vertices() == 7
assert st.num_simplices() == 17
- assert st.get_filtration() == [([2], 0.1), ([3], 0.1), ([2, 3], 0.1),
- ([0], 0.2), ([0, 2], 0.2), ([1], 0.3), ([0, 1], 0.3), ([1, 3], 0.4),
- ([1, 2], 0.5), ([5], 0.6), ([6], 0.6), ([5, 6], 0.6), ([4], 0.7),
- ([2, 4], 0.7), ([0, 3], 0.8), ([4, 6], 0.9), ([3, 6], 1.0)]
+ assert st.get_filtration() == [
+ ([2], 0.1),
+ ([3], 0.1),
+ ([2, 3], 0.1),
+ ([0], 0.2),
+ ([0, 2], 0.2),
+ ([1], 0.3),
+ ([0, 1], 0.3),
+ ([1, 3], 0.4),
+ ([1, 2], 0.5),
+ ([5], 0.6),
+ ([6], 0.6),
+ ([5, 6], 0.6),
+ ([4], 0.7),
+ ([2, 4], 0.7),
+ ([0, 3], 0.8),
+ ([4, 6], 0.9),
+ ([3, 6], 1.0),
+ ]
st.expansion(3)
assert st.num_vertices() == 7
assert st.num_simplices() == 22
st.initialize_filtration()
- assert st.get_filtration() == [([2], 0.1), ([3], 0.1), ([2, 3], 0.1),
- ([0], 0.2), ([0, 2], 0.2), ([1], 0.3), ([0, 1], 0.3), ([1, 3], 0.4),
- ([1, 2], 0.5), ([0, 1, 2], 0.5), ([1, 2, 3], 0.5), ([5], 0.6), ([6], 0.6),
- ([5, 6], 0.6), ([4], 0.7), ([2, 4], 0.7), ([0, 3], 0.8), ([0, 1, 3], 0.8),
- ([0, 2, 3], 0.8), ([0, 1, 2, 3], 0.8), ([4, 6], 0.9), ([3, 6], 1.0)]
+ assert st.get_filtration() == [
+ ([2], 0.1),
+ ([3], 0.1),
+ ([2, 3], 0.1),
+ ([0], 0.2),
+ ([0, 2], 0.2),
+ ([1], 0.3),
+ ([0, 1], 0.3),
+ ([1, 3], 0.4),
+ ([1, 2], 0.5),
+ ([0, 1, 2], 0.5),
+ ([1, 2, 3], 0.5),
+ ([5], 0.6),
+ ([6], 0.6),
+ ([5, 6], 0.6),
+ ([4], 0.7),
+ ([2, 4], 0.7),
+ ([0, 3], 0.8),
+ ([0, 1, 3], 0.8),
+ ([0, 2, 3], 0.8),
+ ([0, 1, 2, 3], 0.8),
+ ([4, 6], 0.9),
+ ([3, 6], 1.0),
+ ]
+
def test_automatic_dimension():
st = SimplexTree()
@@ -141,8 +183,8 @@ def test_automatic_dimension():
assert st.__is_persistence_defined() == False
# insert test
- assert st.insert([0,1,3], filtration=0.5) == True
- assert st.insert([0,1,2], filtration=1.) == True
+ assert st.insert([0, 1, 3], filtration=0.5) == True
+ assert st.insert([0, 1, 2], filtration=1.0) == True
assert st.num_vertices() == 4
assert st.num_simplices() == 11
@@ -162,6 +204,7 @@ def test_automatic_dimension():
assert st.dimension() == 1
assert st.upper_bound_dimension() == 1
+
def test_make_filtration_non_decreasing():
st = SimplexTree()
assert st.__is_defined() == True
@@ -183,25 +226,25 @@ def test_make_filtration_non_decreasing():
# Because of non decreasing property of simplex tree, { 0 } , { 1 } and
# { 0, 1 } are going to be set from value 2.0 to 1.0
- st.insert([0, 1, 6, 7], filtration=1.0);
+ st.insert([0, 1, 6, 7], filtration=1.0)
assert st.make_filtration_non_decreasing() == False
# Modify specific values to test make_filtration_non_decreasing
- st.assign_filtration([0,1,6,7], 0.8);
- st.assign_filtration([0,1,6], 0.9);
- st.assign_filtration([0,6], 0.6);
- st.assign_filtration([3,4,5], 1.2);
- st.assign_filtration([3,4], 1.1);
- st.assign_filtration([4,5], 1.99);
+ st.assign_filtration([0, 1, 6, 7], 0.8)
+ st.assign_filtration([0, 1, 6], 0.9)
+ st.assign_filtration([0, 6], 0.6)
+ st.assign_filtration([3, 4, 5], 1.2)
+ st.assign_filtration([3, 4], 1.1)
+ st.assign_filtration([4, 5], 1.99)
assert st.make_filtration_non_decreasing() == True
- assert st.filtration([0,1,6,7]) == 1.
- assert st.filtration([0,1,6]) == 1.
- assert st.filtration([0,1]) == 1.
- assert st.filtration([0]) == 1.
- assert st.filtration([1]) == 1.
- assert st.filtration([3,4,5]) == 2.
- assert st.filtration([3,4]) == 2.
- assert st.filtration([4,5]) == 2.
+ assert st.filtration([0, 1, 6, 7]) == 1.0
+ assert st.filtration([0, 1, 6]) == 1.0
+ assert st.filtration([0, 1]) == 1.0
+ assert st.filtration([0]) == 1.0
+ assert st.filtration([1]) == 1.0
+ assert st.filtration([3, 4, 5]) == 2.0
+ assert st.filtration([3, 4]) == 2.0
+ assert st.filtration([4, 5]) == 2.0