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Diffstat (limited to 'src/Persistence_representations/test/persistence_lanscapes_on_grid_test.cpp')
| -rw-r--r-- | src/Persistence_representations/test/persistence_lanscapes_on_grid_test.cpp | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/src/Persistence_representations/test/persistence_lanscapes_on_grid_test.cpp b/src/Persistence_representations/test/persistence_lanscapes_on_grid_test.cpp new file mode 100644 index 00000000..f73da751 --- /dev/null +++ b/src/Persistence_representations/test/persistence_lanscapes_on_grid_test.cpp @@ -0,0 +1,320 @@ +/* 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_landscapes_on_grid_test" +#include <boost/test/unit_test.hpp> +#include <gudhi/reader_utils.h> +#include <gudhi/Persistence_landscape_on_grid.h> +#include <gudhi/Unitary_tests_utils.h> + +#include <iostream> + +using namespace Gudhi; +using namespace Gudhi::Persistence_representations; + +double epsilon = 0.0005; + +BOOST_AUTO_TEST_CASE(check_construction_of_landscape) { + Persistence_landscape_on_grid l("data/file_with_diagram_1", 100, std::numeric_limits<unsigned short>::max()); + l.print_to_file("landscape_from_file_with_diagram_1"); + + Persistence_landscape_on_grid g; + g.load_landscape_from_file("landscape_from_file_with_diagram_1"); + + BOOST_CHECK(l == g); +} + +BOOST_AUTO_TEST_CASE(check_construction_of_landscape_using_only_ten_levels) { + // TODO + unsigned number = 10; + Persistence_landscape_on_grid l("data/file_with_diagram_1", 100, number); + Persistence_landscape_on_grid g("data/file_with_diagram_1", 100, std::numeric_limits<unsigned short>::max()); + // cut all the elements of order > 10 in g. + + for (size_t level = 0; level != number; ++level) { + std::vector<double> v1 = l.vectorize(level); + std::vector<double> v2 = g.vectorize(level); + BOOST_CHECK(v1.size() == v2.size()); + for (size_t i = 0; i != v1.size(); ++i) { + GUDHI_TEST_FLOAT_EQUALITY_CHECK(v1[i], v2[i]); + } + } +} + +BOOST_AUTO_TEST_CASE(check_computations_of_integrals) { + Persistence_landscape_on_grid p("data/file_with_diagram_1", 100, std::numeric_limits<unsigned short>::max()); + GUDHI_TEST_FLOAT_EQUALITY_CHECK(p.compute_integral_of_landscape(), 27.343, epsilon); +} + +BOOST_AUTO_TEST_CASE(check_computations_of_integrals_for_each_level_separatelly) { + Persistence_landscape_on_grid p("data/file_with_diagram_1", 100, std::numeric_limits<unsigned short>::max()); + + std::vector<double> integrals_fir_different_levels; + // integrals_fir_different_levels.push_back(); + integrals_fir_different_levels.push_back(0.241168); + integrals_fir_different_levels.push_back(0.239276); + integrals_fir_different_levels.push_back(0.237882); + integrals_fir_different_levels.push_back(0.235193); + integrals_fir_different_levels.push_back(0.230115); + integrals_fir_different_levels.push_back(0.227626); + integrals_fir_different_levels.push_back(0.226132); + integrals_fir_different_levels.push_back(0.223643); + integrals_fir_different_levels.push_back(0.221651); + integrals_fir_different_levels.push_back(0.220556); + integrals_fir_different_levels.push_back(0.21727); + integrals_fir_different_levels.push_back(0.215976); + integrals_fir_different_levels.push_back(0.213685); + integrals_fir_different_levels.push_back(0.211993); + integrals_fir_different_levels.push_back(0.2102); + integrals_fir_different_levels.push_back(0.208707); + integrals_fir_different_levels.push_back(0.207014); + integrals_fir_different_levels.push_back(0.205122); + integrals_fir_different_levels.push_back(0.204226); + integrals_fir_different_levels.push_back(0.202633); + + for (size_t level = 0; level != integrals_fir_different_levels.size(); ++level) { + GUDHI_TEST_FLOAT_EQUALITY_CHECK(p.compute_integral_of_landscape(level), integrals_fir_different_levels[level], + epsilon); + } +} + +BOOST_AUTO_TEST_CASE(check_computations_of_integrals_of_powers_of_landscape) { + Persistence_landscape_on_grid p("data/file_with_diagram_1", 100, std::numeric_limits<unsigned short>::max()); + + std::vector<double> integrals_fir_different_powers; + integrals_fir_different_powers.push_back(0.241168); + integrals_fir_different_powers.push_back(0.239276); + integrals_fir_different_powers.push_back(0.237882); + integrals_fir_different_powers.push_back(0.235193); + integrals_fir_different_powers.push_back(0.23011); + + for (size_t power = 0; power != 5; ++power) { + GUDHI_TEST_FLOAT_EQUALITY_CHECK(p.compute_integral_of_landscape(power), integrals_fir_different_powers[power], + epsilon); + } +} + +BOOST_AUTO_TEST_CASE(check_computations_of_values_on_different_points) { + Persistence_landscape_on_grid p("data/file_with_diagram_1", 100, std::numeric_limits<unsigned short>::max()); + + std::vector<double> results_level_0; + results_level_0.push_back(0.00997867); + results_level_0.push_back(0.0521921); + results_level_0.push_back(0.104312); + results_level_0.push_back(0.156432); + results_level_0.push_back(0.208552); + results_level_0.push_back(0.260672); + results_level_0.push_back(0.312792); + results_level_0.push_back(0.364912); + results_level_0.push_back(0.417032); + results_level_0.push_back(0.429237); + + std::vector<double> results_level_10; + results_level_10.push_back(7.21433e-05); + results_level_10.push_back(0.0422135); + results_level_10.push_back(0.0943335); + results_level_10.push_back(0.146453); + results_level_10.push_back(0.198573); + results_level_10.push_back(0.240715); + results_level_10.push_back(0.272877); + results_level_10.push_back(0.324997); + results_level_10.push_back(0.359232); + results_level_10.push_back(0.379344); + + double x = 0.0012321; + double dx = 0.05212; + for (size_t i = 0; i != 10; ++i) { + GUDHI_TEST_FLOAT_EQUALITY_CHECK(p.compute_value_at_a_given_point(0, x), results_level_0[i], epsilon); + GUDHI_TEST_FLOAT_EQUALITY_CHECK(p.compute_value_at_a_given_point(10, x), results_level_10[i], epsilon); + x += dx; + } +} + +BOOST_AUTO_TEST_CASE(check_computations_sum_differences_and_multiplications) { + Persistence_landscape_on_grid p("data/file_with_diagram_1", 100, std::numeric_limits<unsigned short>::max()); + Persistence_landscape_on_grid second("data/file_with_diagram_1", 100, std::numeric_limits<unsigned short>::max()); + + Persistence_landscape_on_grid sum = p + second; + Persistence_landscape_on_grid difference = p - second; + Persistence_landscape_on_grid multiply_by_scalar = 10 * p; + ; + + Persistence_landscape_on_grid template_sum; + template_sum.load_landscape_from_file("data/sum_on_grid_test"); + + Persistence_landscape_on_grid template_difference; + template_difference.load_landscape_from_file("data/difference_on_grid_test"); + + Persistence_landscape_on_grid template_multiply_by_scalar; + template_multiply_by_scalar.load_landscape_from_file("data/multiply_by_scalar_on_grid_test"); + + BOOST_CHECK(sum == template_sum); + BOOST_CHECK(difference == template_difference); + BOOST_CHECK(multiply_by_scalar == template_multiply_by_scalar); +} + +BOOST_AUTO_TEST_CASE(check_computations_of_maxima_and_norms) { + Persistence_landscape_on_grid p("data/file_with_diagram_1", 0., 1., 100); + Persistence_landscape_on_grid second("data/file_with_diagram_2", 0., 1., 100); + Persistence_landscape_on_grid sum = p + second; + + GUDHI_TEST_FLOAT_EQUALITY_CHECK(p.compute_maximum(), 0.46, epsilon); + GUDHI_TEST_FLOAT_EQUALITY_CHECK(p.compute_norm_of_landscape(1), 27.3373, epsilon); + GUDHI_TEST_FLOAT_EQUALITY_CHECK(p.compute_norm_of_landscape(2), 1.84143, epsilon); + GUDHI_TEST_FLOAT_EQUALITY_CHECK(p.compute_norm_of_landscape(3), 0.927067, epsilon); + GUDHI_TEST_FLOAT_EQUALITY_CHECK(compute_distance_of_landscapes_on_grid(p, sum, 1), 16.8519, epsilon); + GUDHI_TEST_FLOAT_EQUALITY_CHECK(compute_distance_of_landscapes_on_grid(p, sum, 2), 1.44542, epsilon); + GUDHI_TEST_FLOAT_EQUALITY_CHECK(compute_distance_of_landscapes_on_grid(p, sum, std::numeric_limits<double>::max()), + 0.45, epsilon); +} + +BOOST_AUTO_TEST_CASE(check_default_parameters_of_distances) { + std::vector<std::pair<double, double> > diag = read_persistence_intervals_in_dimension("data/file_with_diagram"); + Persistence_landscape_on_grid p(diag, 0., 1., 100); + + std::vector<std::pair<double, double> > diag1 = read_persistence_intervals_in_dimension("data/file_with_diagram_1"); + Persistence_landscape_on_grid q(diag1, 0., 1., 100); + + double dist_numeric_limit_max = p.distance(q, std::numeric_limits<double>::max()); + double dist_infinity = p.distance(q, std::numeric_limits<double>::infinity()); + + GUDHI_TEST_FLOAT_EQUALITY_CHECK(dist_numeric_limit_max, dist_infinity); +} + +BOOST_AUTO_TEST_CASE(check_computations_of_averages) { + Persistence_landscape_on_grid p("data/file_with_diagram", 0., 1., 100); + Persistence_landscape_on_grid q("data/file_with_diagram_1", 0., 1., 100); + Persistence_landscape_on_grid av; + av.compute_average({&p, &q}); + + Persistence_landscape_on_grid template_average; + template_average.load_landscape_from_file("data/average_on_a_grid"); + BOOST_CHECK(template_average == av); +} + +BOOST_AUTO_TEST_CASE(check_computations_of_distances) { + Persistence_landscape_on_grid p("data/file_with_diagram", 0., 1., 10000); + Persistence_landscape_on_grid q("data/file_with_diagram_1", 0., 1., 10000); + GUDHI_TEST_FLOAT_EQUALITY_CHECK(p.distance(q), 25.5779, epsilon); + GUDHI_TEST_FLOAT_EQUALITY_CHECK(p.distance(q, 2), 2.04891, epsilon); + GUDHI_TEST_FLOAT_EQUALITY_CHECK(p.distance(q, std::numeric_limits<double>::max()), 0.359, epsilon); +} + +BOOST_AUTO_TEST_CASE(check_computations_of_scalar_product) { + Persistence_landscape_on_grid p("data/file_with_diagram", 0., 1., 10000); + Persistence_landscape_on_grid q("data/file_with_diagram_1", 0., 1., 10000); + GUDHI_TEST_FLOAT_EQUALITY_CHECK(p.compute_scalar_product(q), 0.754367, epsilon); +} + +// Below I am storing the code used to generate tests for that functionality. +/* + Persistence_landscape_on_grid l( "file_with_diagram_1" , 100 ); + l.print_to_file( "landscape_from_file_with_diagram_1" ); + + Persistence_landscape_on_grid g; + g.load_landscape_from_file( "landscape_from_file_with_diagram_1" ); + + cerr << ( l == g ); + */ + +/* +Persistence_landscape_on_grid l( "file_with_diagram_1" , 100 ); +cerr << l << endl; +cerr << l.compute_integral_of_landscape() << endl; +*/ + +/* +Persistence_landscape_on_grid p( "file_with_diagram_1" , 100 ); +for ( size_t level = 0 ; level != 30 ; ++level ) +{ + double integral = p.compute_integral_of_landscape( level ); + cerr << integral << endl; +} +*/ + +/* +Persistence_landscape_on_grid p( "file_with_diagram_1" , 100 ); +for ( size_t power = 0 ; power != 5 ; ++power ) +{ + double integral = p.compute_integral_of_landscape( (double)power ); + cerr << integral << endl; +} +*/ + +/* +Persistence_landscape_on_grid p( "file_with_diagram_1" , 100 ); +double x = 0.0012321; +double dx = 0.05212; +for ( size_t i = 0 ; i != 10 ; ++i ) +{ + cerr << p.compute_value_at_a_given_point(10,x) << endl; + x += dx; +} +*/ + +/* +Persistence_landscape_on_grid p( "file_with_diagram_1",100 ); +Persistence_landscape_on_grid second("file_with_diagram_1",100 ); +Persistence_landscape_on_grid sum = p + second; +Persistence_landscape_on_grid difference = p - second; +Persistence_landscape_on_grid multiply_by_scalar = 10*p; +sum.print_to_file( "sum_on_grid_test" ); +difference.print_to_file( "difference_on_grid_test" ); +multiply_by_scalar.print_to_file( "multiply_by_scalar_on_grid_test" ); +*/ + +/* +Persistence_landscape_on_grid p( "file_with_diagram_1" , 0 , 1 , 100 ); +Persistence_landscape_on_grid second("file_with_diagram_1", 0 , 1 , 100 ); +Persistence_landscape_on_grid sum = p + second; + +cerr << "max : " << p.compute_maximum() << endl; +cerr << "1-norm : " << p.compute_norm_of_landscape(1) << endl; +cerr << "2-norm : " << p.compute_norm_of_landscape(2) << endl; +cerr << "3-norm : " << p.compute_norm_of_landscape(3) << endl; + +cerr << compute_distance_of_landscapes_on_grid(p,sum,1) << endl; +cerr << compute_distance_of_landscapes_on_grid(p,sum,2) << endl; +cerr << compute_distance_of_landscapes_on_grid(p,sum,-1) << endl; +*/ + +/* +Persistence_landscape_on_grid p( "file_with_diagram", 0,1,100 ); +Persistence_landscape_on_grid q( "file_with_diagram_1", 0,1,100 ); +Persistence_landscape_on_grid av; +av.compute_average( {&p,&q} ); +av.print_to_file("average_on_a_grid"); + +Persistence_landscape_on_grid template_average; +template_average.load_landscape_from_file( "average_on_a_grid" ); +if ( template_average == av ) +{ + cerr << "OK OK \n"; +}*/ + +/* +Persistence_landscape_on_grid p( "file_with_diagram" , 0,1,10000); +Persistence_landscape_on_grid q( "file_with_diagram_1" , 0,1,10000); +cerr << p.distance( &q )<< endl; +cerr << p.distance( &q , 2 ) << endl; +cerr << p.distance( &q , std::numeric_limits<double>::max() ) << endl; +*/ + +/* + Persistence_landscape_on_grid p( "file_with_diagram", 0,1,10000 ); + Persistence_landscape_on_grid q( "file_with_diagram_1", 0,1,10000 ); + + //std::vector< std::pair< double,double > > aa; + //aa.push_back( std::make_pair( 0,1 ) ); + //Persistence_landscape_on_grid p( aa, 0,1,10 ); + //Persistence_landscape_on_grid q( aa, 0,1,10 ); + cerr << p.compute_scalar_product( &q ) << endl; +*/ |