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/* 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): Pawel Dlotko
*
* Copyright (C) 2016 Inria
*
* Modification(s):
* - YYYY/MM Author: Description of the modification
*/
#define BOOST_TEST_DYN_LINK
#define BOOST_TEST_MODULE "Persistence_intervals_test"
#include <boost/test/unit_test.hpp>
#include <gudhi/reader_utils.h>
#include "gudhi/Persistence_intervals.h"
#include <gudhi/common_persistence_representations.h>
#include <gudhi/Unitary_tests_utils.h>
#include <iostream>
using namespace Gudhi;
using namespace Gudhi::Persistence_representations;
BOOST_AUTO_TEST_CASE(check_min_max_function) {
Persistence_intervals p("data/file_with_diagram");
std::pair<double, double> min_max_ = p.get_x_range();
GUDHI_TEST_FLOAT_EQUALITY_CHECK(min_max_.first, 0.0290362, Gudhi::Persistence_representations::epsi);
GUDHI_TEST_FLOAT_EQUALITY_CHECK(min_max_.second, 0.994537, Gudhi::Persistence_representations::epsi);
}
BOOST_AUTO_TEST_CASE(check_length_of_dominant_intervals) {
Persistence_intervals p("data/file_with_diagram");
std::vector<double> dominant_ten_intervals_length = p.length_of_dominant_intervals(10);
std::vector<double> dominant_intervals_length;
dominant_intervals_length.push_back(0.862625);
dominant_intervals_length.push_back(0.800893);
dominant_intervals_length.push_back(0.762061);
dominant_intervals_length.push_back(0.756501);
dominant_intervals_length.push_back(0.729367);
dominant_intervals_length.push_back(0.718177);
dominant_intervals_length.push_back(0.708395);
dominant_intervals_length.push_back(0.702844);
dominant_intervals_length.push_back(0.700468);
dominant_intervals_length.push_back(0.622177);
for (size_t i = 0; i != dominant_ten_intervals_length.size(); ++i) {
GUDHI_TEST_FLOAT_EQUALITY_CHECK(dominant_ten_intervals_length[i], dominant_intervals_length[i],
Gudhi::Persistence_representations::epsi);
}
}
BOOST_AUTO_TEST_CASE(check_dominant_intervals) {
Persistence_intervals p("data/file_with_diagram");
std::vector<std::pair<double, double> > ten_dominant_intervals = p.dominant_intervals(10);
std::vector<std::pair<double, double> > templ;
templ.push_back(std::pair<double, double>(0.114718, 0.977343));
templ.push_back(std::pair<double, double>(0.133638, 0.93453));
templ.push_back(std::pair<double, double>(0.104599, 0.866659));
templ.push_back(std::pair<double, double>(0.149798, 0.906299));
templ.push_back(std::pair<double, double>(0.247352, 0.976719));
templ.push_back(std::pair<double, double>(0.192675, 0.910852));
templ.push_back(std::pair<double, double>(0.191836, 0.900231));
templ.push_back(std::pair<double, double>(0.284998, 0.987842));
templ.push_back(std::pair<double, double>(0.294069, 0.994537));
templ.push_back(std::pair<double, double>(0.267421, 0.889597));
for (size_t i = 0; i != ten_dominant_intervals.size(); ++i) {
GUDHI_TEST_FLOAT_EQUALITY_CHECK(ten_dominant_intervals[i].first, templ[i].first,
Gudhi::Persistence_representations::epsi);
GUDHI_TEST_FLOAT_EQUALITY_CHECK(ten_dominant_intervals[i].second, templ[i].second,
Gudhi::Persistence_representations::epsi);
}
}
BOOST_AUTO_TEST_CASE(check_histogram_of_lengths) {
Persistence_intervals p("data/file_with_diagram");
std::vector<size_t> histogram = p.histogram_of_lengths(10);
std::vector<size_t> template_histogram;
template_histogram.push_back(10);
template_histogram.push_back(5);
template_histogram.push_back(3);
template_histogram.push_back(4);
template_histogram.push_back(4);
template_histogram.push_back(3);
template_histogram.push_back(6);
template_histogram.push_back(1);
template_histogram.push_back(7);
template_histogram.push_back(1);
template_histogram.push_back(1);
for (size_t i = 0; i != histogram.size(); ++i) {
BOOST_CHECK(histogram[i] == template_histogram[i]);
}
}
BOOST_AUTO_TEST_CASE(check_cumulative_histograms_of_lengths) {
Persistence_intervals p("data/file_with_diagram");
std::vector<size_t> cumulative_histogram = p.cumulative_histogram_of_lengths(10);
std::vector<size_t> template_cumulative_histogram;
template_cumulative_histogram.push_back(10);
template_cumulative_histogram.push_back(15);
template_cumulative_histogram.push_back(18);
template_cumulative_histogram.push_back(22);
template_cumulative_histogram.push_back(26);
template_cumulative_histogram.push_back(29);
template_cumulative_histogram.push_back(35);
template_cumulative_histogram.push_back(36);
template_cumulative_histogram.push_back(43);
template_cumulative_histogram.push_back(44);
template_cumulative_histogram.push_back(45);
for (size_t i = 0; i != cumulative_histogram.size(); ++i) {
BOOST_CHECK(cumulative_histogram[i] == template_cumulative_histogram[i]);
}
}
BOOST_AUTO_TEST_CASE(check_characteristic_function_of_diagram) {
Persistence_intervals p("data/file_with_diagram");
std::pair<double, double> min_max_ = p.get_x_range();
std::vector<double> char_funct_diag = p.characteristic_function_of_diagram(min_max_.first, min_max_.second);
std::vector<double> template_char_funct_diag;
template_char_funct_diag.push_back(0.370665);
template_char_funct_diag.push_back(0.84058);
template_char_funct_diag.push_back(1.24649);
template_char_funct_diag.push_back(1.3664);
template_char_funct_diag.push_back(1.34032);
template_char_funct_diag.push_back(1.31904);
template_char_funct_diag.push_back(1.14076);
template_char_funct_diag.push_back(0.991259);
template_char_funct_diag.push_back(0.800714);
template_char_funct_diag.push_back(0.0676303);
for (size_t i = 0; i != char_funct_diag.size(); ++i) {
GUDHI_TEST_FLOAT_EQUALITY_CHECK(char_funct_diag[i], template_char_funct_diag[i],
Gudhi::Persistence_representations::epsi);
}
}
BOOST_AUTO_TEST_CASE(check_cumulative_characteristic_function_of_diagram) {
Persistence_intervals p("data/file_with_diagram");
std::pair<double, double> min_max_ = p.get_x_range();
std::vector<double> cumul_char_funct_diag =
p.cumulative_characteristic_function_of_diagram(min_max_.first, min_max_.second);
std::vector<double> template_char_funct_diag_cumul;
template_char_funct_diag_cumul.push_back(0.370665);
template_char_funct_diag_cumul.push_back(1.21125);
template_char_funct_diag_cumul.push_back(2.45774);
template_char_funct_diag_cumul.push_back(3.82414);
template_char_funct_diag_cumul.push_back(5.16446);
template_char_funct_diag_cumul.push_back(6.4835);
template_char_funct_diag_cumul.push_back(7.62426);
template_char_funct_diag_cumul.push_back(8.61552);
template_char_funct_diag_cumul.push_back(9.41623);
template_char_funct_diag_cumul.push_back(9.48386);
for (size_t i = 0; i != cumul_char_funct_diag.size(); ++i) {
GUDHI_TEST_FLOAT_EQUALITY_CHECK(cumul_char_funct_diag[i], template_char_funct_diag_cumul[i],
Gudhi::Persistence_representations::epsi);
}
}
BOOST_AUTO_TEST_CASE(check_compute_persistent_betti_numbers) {
Persistence_intervals p("data/file_with_diagram");
std::vector<std::pair<double, size_t> > pbns;
pbns.push_back(std::pair<double, size_t>(0.0290362, 1));
pbns.push_back(std::pair<double, size_t>(0.0307676, 2));
pbns.push_back(std::pair<double, size_t>(0.0366312, 3));
pbns.push_back(std::pair<double, size_t>(0.0544614, 4));
pbns.push_back(std::pair<double, size_t>(0.0920033, 5));
pbns.push_back(std::pair<double, size_t>(0.104599, 6));
pbns.push_back(std::pair<double, size_t>(0.114718, 7));
pbns.push_back(std::pair<double, size_t>(0.117379, 8));
pbns.push_back(std::pair<double, size_t>(0.123493, 9));
pbns.push_back(std::pair<double, size_t>(0.133638, 10));
pbns.push_back(std::pair<double, size_t>(0.137798, 9));
pbns.push_back(std::pair<double, size_t>(0.149798, 10));
pbns.push_back(std::pair<double, size_t>(0.155421, 11));
pbns.push_back(std::pair<double, size_t>(0.158443, 12));
pbns.push_back(std::pair<double, size_t>(0.176956, 13));
pbns.push_back(std::pair<double, size_t>(0.183234, 12));
pbns.push_back(std::pair<double, size_t>(0.191069, 13));
pbns.push_back(std::pair<double, size_t>(0.191333, 14));
pbns.push_back(std::pair<double, size_t>(0.191836, 15));
pbns.push_back(std::pair<double, size_t>(0.192675, 16));
pbns.push_back(std::pair<double, size_t>(0.208564, 17));
pbns.push_back(std::pair<double, size_t>(0.218425, 18));
pbns.push_back(std::pair<double, size_t>(0.219902, 17));
pbns.push_back(std::pair<double, size_t>(0.23233, 16));
pbns.push_back(std::pair<double, size_t>(0.234558, 17));
pbns.push_back(std::pair<double, size_t>(0.237166, 16));
pbns.push_back(std::pair<double, size_t>(0.247352, 17));
pbns.push_back(std::pair<double, size_t>(0.267421, 18));
pbns.push_back(std::pair<double, size_t>(0.268093, 19));
pbns.push_back(std::pair<double, size_t>(0.278734, 18));
pbns.push_back(std::pair<double, size_t>(0.284722, 19));
pbns.push_back(std::pair<double, size_t>(0.284998, 20));
pbns.push_back(std::pair<double, size_t>(0.294069, 21));
pbns.push_back(std::pair<double, size_t>(0.306293, 22));
pbns.push_back(std::pair<double, size_t>(0.322361, 21));
pbns.push_back(std::pair<double, size_t>(0.323152, 22));
pbns.push_back(std::pair<double, size_t>(0.371021, 23));
pbns.push_back(std::pair<double, size_t>(0.372395, 24));
pbns.push_back(std::pair<double, size_t>(0.387744, 25));
pbns.push_back(std::pair<double, size_t>(0.435537, 26));
pbns.push_back(std::pair<double, size_t>(0.462911, 25));
pbns.push_back(std::pair<double, size_t>(0.483569, 26));
pbns.push_back(std::pair<double, size_t>(0.489209, 25));
pbns.push_back(std::pair<double, size_t>(0.517115, 24));
pbns.push_back(std::pair<double, size_t>(0.522197, 23));
pbns.push_back(std::pair<double, size_t>(0.532665, 22));
pbns.push_back(std::pair<double, size_t>(0.545262, 23));
pbns.push_back(std::pair<double, size_t>(0.587227, 22));
pbns.push_back(std::pair<double, size_t>(0.593036, 23));
pbns.push_back(std::pair<double, size_t>(0.602647, 24));
pbns.push_back(std::pair<double, size_t>(0.605044, 25));
pbns.push_back(std::pair<double, size_t>(0.621962, 24));
pbns.push_back(std::pair<double, size_t>(0.629449, 23));
pbns.push_back(std::pair<double, size_t>(0.636719, 22));
pbns.push_back(std::pair<double, size_t>(0.64957, 21));
pbns.push_back(std::pair<double, size_t>(0.650781, 22));
pbns.push_back(std::pair<double, size_t>(0.654951, 23));
pbns.push_back(std::pair<double, size_t>(0.683489, 24));
pbns.push_back(std::pair<double, size_t>(0.687172, 23));
pbns.push_back(std::pair<double, size_t>(0.69703, 22));
pbns.push_back(std::pair<double, size_t>(0.701174, 21));
pbns.push_back(std::pair<double, size_t>(0.717623, 22));
pbns.push_back(std::pair<double, size_t>(0.722023, 21));
pbns.push_back(std::pair<double, size_t>(0.722298, 20));
pbns.push_back(std::pair<double, size_t>(0.725347, 19));
pbns.push_back(std::pair<double, size_t>(0.73071, 18));
pbns.push_back(std::pair<double, size_t>(0.758355, 17));
pbns.push_back(std::pair<double, size_t>(0.770913, 18));
pbns.push_back(std::pair<double, size_t>(0.790833, 17));
pbns.push_back(std::pair<double, size_t>(0.821211, 16));
pbns.push_back(std::pair<double, size_t>(0.849305, 17));
pbns.push_back(std::pair<double, size_t>(0.853669, 16));
pbns.push_back(std::pair<double, size_t>(0.866659, 15));
pbns.push_back(std::pair<double, size_t>(0.872896, 16));
pbns.push_back(std::pair<double, size_t>(0.889597, 15));
pbns.push_back(std::pair<double, size_t>(0.900231, 14));
pbns.push_back(std::pair<double, size_t>(0.903847, 13));
pbns.push_back(std::pair<double, size_t>(0.906299, 12));
pbns.push_back(std::pair<double, size_t>(0.910852, 11));
pbns.push_back(std::pair<double, size_t>(0.93453, 10));
pbns.push_back(std::pair<double, size_t>(0.944757, 9));
pbns.push_back(std::pair<double, size_t>(0.947812, 8));
pbns.push_back(std::pair<double, size_t>(0.959154, 7));
pbns.push_back(std::pair<double, size_t>(0.975654, 6));
pbns.push_back(std::pair<double, size_t>(0.976719, 5));
pbns.push_back(std::pair<double, size_t>(0.977343, 4));
pbns.push_back(std::pair<double, size_t>(0.980129, 3));
pbns.push_back(std::pair<double, size_t>(0.987842, 2));
pbns.push_back(std::pair<double, size_t>(0.990127, 1));
pbns.push_back(std::pair<double, size_t>(0.994537, 0));
std::vector<std::pair<double, size_t> > pbns_new = p.compute_persistent_betti_numbers();
for (size_t i = 0; i != pbns.size(); ++i) {
GUDHI_TEST_FLOAT_EQUALITY_CHECK(pbns[i].first, pbns_new[i].first, Gudhi::Persistence_representations::epsi);
BOOST_CHECK(pbns[i].second == pbns_new[i].second);
}
}
BOOST_AUTO_TEST_CASE(check_k_n_n) {
Persistence_intervals p("data/file_with_diagram");
std::vector<double> knn = p.k_n_n(5);
std::vector<double> knn_template;
knn_template.push_back(1.04208);
knn_template.push_back(1.00344);
knn_template.push_back(0.979395);
knn_template.push_back(0.890643);
knn_template.push_back(0.874769);
knn_template.push_back(0.845787);
knn_template.push_back(0.819713);
knn_template.push_back(0.803984);
knn_template.push_back(0.799864);
knn_template.push_back(0.786945);
for (size_t i = 0; i != knn.size(); ++i) {
GUDHI_TEST_FLOAT_EQUALITY_CHECK(knn[i], knn_template[i], Gudhi::Persistence_representations::epsi);
}
}
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