diff options
Diffstat (limited to 'src/Simplex_tree/test/simplex_tree_remove_unit_test.cpp')
-rw-r--r-- | src/Simplex_tree/test/simplex_tree_remove_unit_test.cpp | 427 |
1 files changed, 427 insertions, 0 deletions
diff --git a/src/Simplex_tree/test/simplex_tree_remove_unit_test.cpp b/src/Simplex_tree/test/simplex_tree_remove_unit_test.cpp new file mode 100644 index 00000000..dc37375c --- /dev/null +++ b/src/Simplex_tree/test/simplex_tree_remove_unit_test.cpp @@ -0,0 +1,427 @@ +#include <iostream> + +#define BOOST_TEST_DYN_LINK +#define BOOST_TEST_MODULE "simplex_tree_remove" +#include <boost/test/unit_test.hpp> + +// ^ +// /!\ Nothing else from Simplex_tree shall be included to test includes are well defined. +#include "gudhi/Simplex_tree.h" + +using namespace Gudhi; + +struct MyOptions : Simplex_tree_options_full_featured { + // Not doing persistence, so we don't need those + static const bool store_key = false; + static const bool store_filtration = false; + // I have few vertices + typedef short Vertex_handle; +}; + +using Mini_stree = Simplex_tree<MyOptions>; +using Stree = Simplex_tree<>; + +BOOST_AUTO_TEST_CASE(remove_maximal_simplex) { + std::cout << "********************************************************************" << std::endl; + std::cout << "REMOVE MAXIMAL SIMPLEX" << std::endl; + + Mini_stree st; + + st.insert_simplex_and_subfaces({0, 1, 6, 7}); + st.insert_simplex_and_subfaces({3, 4, 5}); + + // Constructs a copy at this state for further test purpose + Mini_stree st_pruned = st; + + st.insert_simplex_and_subfaces({3, 0}); + st.insert_simplex_and_subfaces({2, 1, 0}); + + // Constructs a copy at this state for further test purpose + Mini_stree st_complete = st; + // st_complete and st: + // 1 6 + // o---o + // /X\7/ + // o---o---o---o + // 2 0 3\X/4 + // o + // 5 + // st_pruned: + // 1 6 + // o---o + // \7/ + // o o---o + // 0 3\X/4 + // o + // 5 + +#ifdef GUDHI_DEBUG + std::cout << "Check exception throw in debug mode" << std::endl; + // throw excpt because sh has children + BOOST_CHECK_THROW (st.remove_maximal_simplex(st.find({0, 1, 6})), std::invalid_argument); + BOOST_CHECK_THROW (st.remove_maximal_simplex(st.find({3})), std::invalid_argument); + BOOST_CHECK(st == st_complete); +#endif + std::cout << "st.remove_maximal_simplex({0, 2})" << std::endl; + st.remove_maximal_simplex(st.find({0, 2})); + std::cout << "st.remove_maximal_simplex({0, 1, 2})" << std::endl; + st.remove_maximal_simplex(st.find({0, 1, 2})); + std::cout << "st.remove_maximal_simplex({1, 2})" << std::endl; + st.remove_maximal_simplex(st.find({1, 2})); + std::cout << "st.remove_maximal_simplex({2})" << std::endl; + st.remove_maximal_simplex(st.find({2})); + std::cout << "st.remove_maximal_simplex({3})" << std::endl; + st.remove_maximal_simplex(st.find({0, 3})); + + BOOST_CHECK(st == st_pruned); + // Remove all, but as the simplex tree is not storing filtration, there is no modification + st.prune_above_filtration(0.0); + BOOST_CHECK(st == st_pruned); + + Mini_stree st_wo_seven; + + st_wo_seven.insert_simplex_and_subfaces({0, 1, 6}); + st_wo_seven.insert_simplex_and_subfaces({3, 4, 5}); + // st_wo_seven: + // 1 6 + // o---o + // \X/ + // o o---o + // 0 3\X/4 + // o + // 5 + + // Remove all 7 to test the both remove_maximal_simplex cases (when _members is empty or not) + std::cout << "st.remove_maximal_simplex({0, 1, 6, 7})" << std::endl; + st.remove_maximal_simplex(st.find({0, 1, 6, 7})); + std::cout << "st.remove_maximal_simplex({0, 1, 7})" << std::endl; + st.remove_maximal_simplex(st.find({0, 1, 7})); + std::cout << "st.remove_maximal_simplex({0, 6, 7})" << std::endl; + st.remove_maximal_simplex(st.find({0, 6, 7})); + std::cout << "st.remove_maximal_simplex({0, 7})" << std::endl; + st.remove_maximal_simplex(st.find({0, 7})); + std::cout << "st.remove_maximal_simplex({1, 6, 7})" << std::endl; + st.remove_maximal_simplex(st.find({1, 6, 7})); + std::cout << "st.remove_maximal_simplex({1, 7})" << std::endl; + st.remove_maximal_simplex(st.find({1, 7})); + std::cout << "st.remove_maximal_simplex({6, 7})" << std::endl; + st.remove_maximal_simplex(st.find({6, 7})); + std::cout << "st.remove_maximal_simplex({7})" << std::endl; + st.remove_maximal_simplex(st.find({7})); + + std::cout << "st.upper_bound_dimension()=" << st.upper_bound_dimension() << std::endl; + BOOST_CHECK(st.upper_bound_dimension() == 3); + + // Check dimension calls lower_upper_bound_dimension to recompute dimension + BOOST_CHECK(st.dimension() == 2); + BOOST_CHECK(st.upper_bound_dimension() == 2); + + std::cout << "st.upper_bound_dimension()=" << st.upper_bound_dimension() + << " | st_wo_seven.upper_bound_dimension()=" << st_wo_seven.upper_bound_dimension() << std::endl; + std::cout << "st.dimension()=" << st.dimension() << " | st_wo_seven.dimension()=" << st_wo_seven.dimension() << std::endl; + BOOST_CHECK(st == st_wo_seven); +} + +BOOST_AUTO_TEST_CASE(auto_dimension_set) { + std::cout << "********************************************************************" << std::endl; + std::cout << "DIMENSION ON REMOVE MAXIMAL SIMPLEX" << std::endl; + + Mini_stree st; + + st.insert_simplex_and_subfaces({0, 1, 2}); + st.insert_simplex_and_subfaces({0, 1, 3}); + st.insert_simplex_and_subfaces({1, 2, 3, 4}); + st.insert_simplex_and_subfaces({1, 2, 3, 5}); + st.insert_simplex_and_subfaces({6, 7, 8, 9}); + st.insert_simplex_and_subfaces({6, 7, 8, 10}); + + BOOST_CHECK(st.upper_bound_dimension() == 3); + BOOST_CHECK(st.dimension() == 3); + + std::cout << "st.remove_maximal_simplex({6, 7, 8, 10})" << std::endl; + st.remove_maximal_simplex(st.find({6, 7, 8, 10})); + std::cout << "st.upper_bound_dimension()=" << st.upper_bound_dimension() << std::endl; + BOOST_CHECK(st.upper_bound_dimension() == 3); + BOOST_CHECK(st.dimension() == 3); + + std::cout << "st.remove_maximal_simplex({6, 7, 8, 9})" << std::endl; + st.remove_maximal_simplex(st.find({6, 7, 8, 9})); + std::cout << "st.upper_bound_dimension()=" << st.upper_bound_dimension() << std::endl; + BOOST_CHECK(st.upper_bound_dimension() == 3); + BOOST_CHECK(st.dimension() == 3); + + std::cout << "st.remove_maximal_simplex({1, 2, 3, 4})" << std::endl; + st.remove_maximal_simplex(st.find({1, 2, 3, 4})); + std::cout << "st.upper_bound_dimension()=" << st.upper_bound_dimension() << std::endl; + BOOST_CHECK(st.upper_bound_dimension() == 3); + BOOST_CHECK(st.dimension() == 3); + + std::cout << "st.remove_maximal_simplex({1, 2, 3, 5})" << std::endl; + st.remove_maximal_simplex(st.find({1, 2, 3, 5})); + std::cout << "st.upper_bound_dimension()=" << st.upper_bound_dimension() << std::endl; + BOOST_CHECK(st.upper_bound_dimension() == 3); + BOOST_CHECK(st.dimension() == 2); + std::cout << "st.dimension()=" << st.dimension() << std::endl; + + std::cout << "st.insert_simplex_and_subfaces({1, 2, 3, 5})" << std::endl; + st.insert_simplex_and_subfaces({1, 2, 3, 5}); + std::cout << "st.upper_bound_dimension()=" << st.upper_bound_dimension() << std::endl; + BOOST_CHECK(st.upper_bound_dimension() == 3); + BOOST_CHECK(st.dimension() == 3); + + std::cout << "st.insert_simplex_and_subfaces({1, 2, 3, 4})" << std::endl; + st.insert_simplex_and_subfaces({1, 2, 3, 4}); + std::cout << "st.upper_bound_dimension()=" << st.upper_bound_dimension() << std::endl; + BOOST_CHECK(st.upper_bound_dimension() == 3); + BOOST_CHECK(st.dimension() == 3); + + + std::cout << "st.remove_maximal_simplex({1, 2, 3, 5})" << std::endl; + st.remove_maximal_simplex(st.find({1, 2, 3, 5})); + std::cout << "st.upper_bound_dimension()=" << st.upper_bound_dimension() << std::endl; + BOOST_CHECK(st.upper_bound_dimension() == 3); + BOOST_CHECK(st.dimension() == 3); + + + std::cout << "st.remove_maximal_simplex({1, 2, 3, 4})" << std::endl; + st.remove_maximal_simplex(st.find({1, 2, 3, 4})); + std::cout << "st.upper_bound_dimension()=" << st.upper_bound_dimension() << std::endl; + BOOST_CHECK(st.upper_bound_dimension() == 3); + BOOST_CHECK(st.dimension() == 2); + std::cout << "st.dimension()=" << st.dimension() << std::endl; + + std::cout << "st.insert_simplex_and_subfaces({0, 1, 3, 4})" << std::endl; + st.insert_simplex_and_subfaces({0, 1, 3, 4}); + std::cout << "st.upper_bound_dimension()=" << st.upper_bound_dimension() << std::endl; + BOOST_CHECK(st.upper_bound_dimension() == 3); + BOOST_CHECK(st.dimension() == 3); + + std::cout << "st.remove_maximal_simplex({0, 1, 3, 4})" << std::endl; + st.remove_maximal_simplex(st.find({0, 1, 3, 4})); + std::cout << "st.upper_bound_dimension()=" << st.upper_bound_dimension() << std::endl; + BOOST_CHECK(st.upper_bound_dimension() == 3); + BOOST_CHECK(st.dimension() == 2); + std::cout << "st.dimension()=" << st.dimension() << std::endl; + + std::cout << "st.insert_simplex_and_subfaces({1, 2, 3, 5})" << std::endl; + st.insert_simplex_and_subfaces({1, 2, 3, 5}); + std::cout << "st.upper_bound_dimension()=" << st.upper_bound_dimension() << std::endl; + BOOST_CHECK(st.upper_bound_dimension() == 3); + BOOST_CHECK(st.dimension() == 3); + + std::cout << "st.insert_simplex_and_subfaces({1, 2, 3, 4})" << std::endl; + st.insert_simplex_and_subfaces({1, 2, 3, 4}); + std::cout << "st.upper_bound_dimension()=" << st.upper_bound_dimension() << std::endl; + BOOST_CHECK(st.upper_bound_dimension() == 3); + BOOST_CHECK(st.dimension() == 3); + + + // Check you can override the dimension + // This is a limit test case - shall not happen + st.set_dimension(1); + std::cout << "st.upper_bound_dimension()=" << st.upper_bound_dimension() << std::endl; + BOOST_CHECK(st.upper_bound_dimension() == 1); + // check dimension() and lower_upper_bound_dimension() is not giving the right answer because dimension is too low + BOOST_CHECK(st.dimension() == 1); + + + // Check you can override the dimension + // This is a limit test case - shall not happen + st.set_dimension(6); + std::cout << "st.upper_bound_dimension()=" << st.upper_bound_dimension() << std::endl; + BOOST_CHECK(st.upper_bound_dimension() == 6); + // check dimension() do not launch lower_upper_bound_dimension() + BOOST_CHECK(st.dimension() == 6); + + + // Reset with the correct value + st.set_dimension(3); + std::cout << "st.upper_bound_dimension()=" << st.upper_bound_dimension() << std::endl; + BOOST_CHECK(st.upper_bound_dimension() == 3); + BOOST_CHECK(st.dimension() == 3); + + std::cout << "st.insert_simplex_and_subfaces({0, 1, 2, 3, 4, 5, 6})" << std::endl; + st.insert_simplex_and_subfaces({0, 1, 2, 3, 4, 5, 6}); + std::cout << "st.upper_bound_dimension()=" << st.upper_bound_dimension() << std::endl; + BOOST_CHECK(st.upper_bound_dimension() == 6); + BOOST_CHECK(st.dimension() == 6); + + std::cout << "st.remove_maximal_simplex({0, 1, 2, 3, 4, 5, 6})" << std::endl; + st.remove_maximal_simplex(st.find({0, 1, 2, 3, 4, 5, 6})); + std::cout << "st.upper_bound_dimension()=" << st.upper_bound_dimension() << std::endl; + BOOST_CHECK(st.upper_bound_dimension() == 6); + BOOST_CHECK(st.dimension() == 5); + +} + +BOOST_AUTO_TEST_CASE(prune_above_filtration) { + std::cout << "********************************************************************" << std::endl; + std::cout << "PRUNE ABOVE FILTRATION" << std::endl; + + Stree st; + + st.insert_simplex_and_subfaces({0, 1, 6, 7}, 1.0); + st.insert_simplex_and_subfaces({3, 4, 5}, 2.0); + + // Constructs a copy at this state for further test purpose + Stree st_pruned = st; + st_pruned.initialize_filtration(); // reset + + st.insert_simplex_and_subfaces({3, 0}, 3.0); + st.insert_simplex_and_subfaces({2, 1, 0}, 4.0); + + // Constructs a copy at this state for further test purpose + Stree st_complete = st; + // st_complete and st: + // 1 6 + // o---o + // /X\7/ + // o---o---o---o + // 2 0 3\X/4 + // o + // 5 + // st_pruned: + // 1 6 + // o---o + // \7/ + // o o---o + // 0 3\X/4 + // o + // 5 + + bool simplex_is_changed = false; + // Check the no action cases + // greater than initial filtration value + simplex_is_changed = st.prune_above_filtration(10.0); + if (simplex_is_changed) + st.initialize_filtration(); + BOOST_CHECK(st == st_complete); + BOOST_CHECK(!simplex_is_changed); + // equal to initial filtration value + simplex_is_changed = st.prune_above_filtration(6.0); + if (simplex_is_changed) + st.initialize_filtration(); + BOOST_CHECK(st == st_complete); + BOOST_CHECK(!simplex_is_changed); + // lower than initial filtration value, but still greater than the maximum filtration value + simplex_is_changed = st.prune_above_filtration(5.0); + if (simplex_is_changed) + st.initialize_filtration(); + BOOST_CHECK(st == st_complete); + BOOST_CHECK(!simplex_is_changed); + + // Display the Simplex_tree + std::cout << "The complex contains " << st.num_simplices() << " simplices"; + std::cout << " - dimension " << st.dimension() << std::endl; + std::cout << "Iterator on Simplices in the filtration, with [filtration value]:" << std::endl; + for (auto f_simplex : st.filtration_simplex_range()) { + std::cout << " " << "[" << st.filtration(f_simplex) << "] "; + for (auto vertex : st.simplex_vertex_range(f_simplex)) { + std::cout << (int) vertex << " "; + } + std::cout << std::endl; + } + + // Check the pruned cases + simplex_is_changed = st.prune_above_filtration(2.5); + if (simplex_is_changed) + st.initialize_filtration(); + BOOST_CHECK(st == st_pruned); + BOOST_CHECK(simplex_is_changed); + + // Display the Simplex_tree + std::cout << "The complex pruned at 2.5 contains " << st.num_simplices() << " simplices"; + std::cout << " - dimension " << st.dimension() << std::endl; + + simplex_is_changed = st.prune_above_filtration(2.0); + if (simplex_is_changed) + st.initialize_filtration(); + + std::cout << "The complex pruned at 2.0 contains " << st.num_simplices() << " simplices"; + std::cout << " - dimension " << st.dimension() << std::endl; + + BOOST_CHECK(st == st_pruned); + BOOST_CHECK(!simplex_is_changed); + + Stree st_empty; + simplex_is_changed = st.prune_above_filtration(0.0); + BOOST_CHECK(simplex_is_changed == true); + if (simplex_is_changed) + st.initialize_filtration(); + + // Display the Simplex_tree + std::cout << "The complex pruned at 0.0 contains " << st.num_simplices() << " simplices"; + std::cout << " - upper_bound_dimension " << st.upper_bound_dimension() << std::endl; + BOOST_CHECK(st.upper_bound_dimension() == 3); + + BOOST_CHECK(st.dimension() == -1); + std::cout << "upper_bound_dimension=" << st.upper_bound_dimension() << std::endl; + BOOST_CHECK(st.upper_bound_dimension() == -1); + + BOOST_CHECK(st == st_empty); + BOOST_CHECK(simplex_is_changed); + + // Test case to the limit + simplex_is_changed = st.prune_above_filtration(-1.0); + if (simplex_is_changed) + st.initialize_filtration(); + BOOST_CHECK(st == st_empty); + BOOST_CHECK(!simplex_is_changed); +} + +BOOST_AUTO_TEST_CASE(mini_prune_above_filtration) { + std::cout << "********************************************************************" << std::endl; + std::cout << "MINI PRUNE ABOVE FILTRATION" << std::endl; + + Mini_stree st; + + st.insert_simplex_and_subfaces({0, 1, 6, 7}); + st.insert_simplex_and_subfaces({3, 4, 5}); + st.insert_simplex_and_subfaces({3, 0}); + st.insert_simplex_and_subfaces({2, 1, 0}); + + // st: + // 1 6 + // o---o + // /X\7/ + // o---o---o---o + // 2 0 3\X/4 + // o + // 5 + + st.initialize_filtration(); + + // Display the Simplex_tree + std::cout << "The complex contains " << st.num_simplices() << " simplices" << std::endl; + BOOST_CHECK(st.num_simplices() == 27); + + // Test case to the limit - With these options, there is no filtration, which means filtration is 0 + bool simplex_is_changed = st.prune_above_filtration(1.0); + if (simplex_is_changed) + st.initialize_filtration(); + // Display the Simplex_tree + std::cout << "The complex pruned at 1.0 contains " << st.num_simplices() << " simplices" << std::endl; + BOOST_CHECK(!simplex_is_changed); + BOOST_CHECK(st.num_simplices() == 27); + + simplex_is_changed = st.prune_above_filtration(0.0); + if (simplex_is_changed) + st.initialize_filtration(); + // Display the Simplex_tree + std::cout << "The complex pruned at 0.0 contains " << st.num_simplices() << " simplices" << std::endl; + BOOST_CHECK(!simplex_is_changed); + BOOST_CHECK(st.num_simplices() == 27); + + // Test case to the limit + simplex_is_changed = st.prune_above_filtration(-1.0); + if (simplex_is_changed) + st.initialize_filtration(); + // Display the Simplex_tree + std::cout << "The complex pruned at -1.0 contains " << st.num_simplices() << " simplices" << std::endl; + BOOST_CHECK(simplex_is_changed); + BOOST_CHECK(st.num_simplices() == 0); + + // Display the Simplex_tree + std::cout << "The complex contains " << st.num_simplices() << " simplices" << std::endl; + +} |