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author | fgodi <fgodi@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2016-04-04 13:17:50 +0000 |
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committer | fgodi <fgodi@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2016-04-04 13:17:50 +0000 |
commit | 02be2aeb7f0a2197d943736aeb9796dc2f5a6f4d (patch) | |
tree | 2f0cd7a0c81a95153900ce9c4f4587a5ec25ab90 /src | |
parent | 4d998529d47a726efeb6e075cf4ea4ed2210de14 (diff) |
test
git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/bottleneckDistance@1094 636b058d-ea47-450e-bf9e-a15bfbe3eedb
Former-commit-id: 2709dd2557768dcc175a1a626db9308dd9ddec96
Diffstat (limited to 'src')
9 files changed, 0 insertions, 1003 deletions
diff --git a/src/Bipartite_graph_matching/concept/Persistence_diagram.h b/src/Bipartite_graph_matching/concept/Persistence_diagram.h deleted file mode 100644 index eaaf8bc5..00000000 --- a/src/Bipartite_graph_matching/concept/Persistence_diagram.h +++ /dev/null @@ -1,7 +0,0 @@ -typedef typename std::pair<double,double> Diagram_point; - -struct Persistence_Diagram -{ - const_iterator<Diagram_point> cbegin() const; - const_iterator<Diagram_point> cend() const; -}; diff --git a/src/Bipartite_graph_matching/example/example.cpp b/src/Bipartite_graph_matching/example/example.cpp deleted file mode 100644 index d190ab48..00000000 --- a/src/Bipartite_graph_matching/example/example.cpp +++ /dev/null @@ -1,44 +0,0 @@ -/* 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): Francois Godi - * - * Copyright (C) 2015 INRIA Sophia-Antipolis (France) - * - * 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/>. - */ - -#include "../include/gudhi/Graph_matching.h" -#include <iostream> - -using namespace Gudhi::bipartite_graph_matching; - -int main() { - - std::vector< std::pair<double, double> > v1, v2; - - v1.emplace_back(2.7,3.7); - v1.emplace_back(9.6,14); - v1.emplace_back(34.2,34.974); - - v2.emplace_back(2.8,4.45); - v2.emplace_back(9.5,14.1); - - - double b = bottleneck_distance(v1, v2); - - std::cout << "Bottleneck distance = " << b << std::endl; - -} diff --git a/src/Bipartite_graph_matching/include/gudhi/Graph_matching.h b/src/Bipartite_graph_matching/include/gudhi/Graph_matching.h deleted file mode 100644 index a2754333..00000000 --- a/src/Bipartite_graph_matching/include/gudhi/Graph_matching.h +++ /dev/null @@ -1,213 +0,0 @@ -/* 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): Francois Godi - * - * Copyright (C) 2015 INRIA Sophia-Antipolis (France) - * - * 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/>. - */ - -#ifndef SRC_BOTTLENECK_INCLUDE_GUDHI_GRAPH_MATCHING_H_ -#define SRC_BOTTLENECK_INCLUDE_GUDHI_GRAPH_MATCHING_H_ - -#include <deque> - -#include "Neighbors_finder.h" - -namespace Gudhi { - -namespace bipartite_graph_matching { - -/** \brief Function to use in order to compute the Bottleneck distance between two persistence diagrams. - * - * - * - * \ingroup bottleneck_distance - */ -template<typename Persistence_diagram1, typename Persistence_diagram2> -double bottleneck_distance(const Persistence_diagram1& diag1, const Persistence_diagram2& diag2, double e = 0.); - -/** \internal \brief Structure representing a graph matching. The graph is a Persistence_diagrams_graph. - * - * \ingroup bottleneck_distance - */ -class Graph_matching { -public: - /** \internal \brief Constructor constructing an empty matching. */ - explicit Graph_matching(); - /** \internal \brief Copy operator. */ - Graph_matching& operator=(const Graph_matching& m); - /** \internal \brief Is the matching perfect ? */ - bool perfect() const; - /** \internal \brief Augments the matching with a maximal set of edge-disjoint shortest augmenting paths. */ - bool multi_augment(); - /** \internal \brief Sets the maximum length of the edges allowed to be added in the matching, 0 initially. */ - void set_r(double r); - -private: - double r; - /** \internal \brief Given a point from V, provides its matched point in U, null_point_index() if there isn't. */ - std::vector<int> v_to_u; - /** \internal \brief All the unmatched points in U. */ - std::list<int> unmatched_in_u; - - /** \internal \brief Provides a Layered_neighbors_finder dividing the graph in layers. Basically a BFS. */ - std::unique_ptr<Layered_neighbors_finder> layering() const; - /** \internal \brief Augments the matching with a simple path no longer than max_depth. Basically a DFS. */ - bool augment(Layered_neighbors_finder & layered_nf, int u_start_index, int max_depth); - /** \internal \brief Update the matching with the simple augmenting path given as parameter. */ - void update(std::deque<int> & path); -}; - -inline Graph_matching::Graph_matching() - : r(0.), v_to_u(G::size(), null_point_index()), unmatched_in_u() { - for (int u_point_index = 0; u_point_index < G::size(); ++u_point_index) - unmatched_in_u.emplace_back(u_point_index); -} - -inline Graph_matching& Graph_matching::operator=(const Graph_matching& m) { - r = m.r; - v_to_u = m.v_to_u; - unmatched_in_u = m.unmatched_in_u; - return *this; -} - -inline bool Graph_matching::perfect() const { - return unmatched_in_u.empty(); -} - -inline bool Graph_matching::multi_augment() { - if (perfect()) - return false; - Layered_neighbors_finder layered_nf = *layering(); - int max_depth = layered_nf.vlayers_number()*2 - 1; - double rn = sqrt(G::size()); - // verification of a necessary criterion in order to shortcut if possible - if (max_depth <0 || (unmatched_in_u.size() > rn && max_depth >= rn)) - return false; - bool successful = false; - std::list<int> tries(unmatched_in_u); - for (auto it = tries.cbegin(); it != tries.cend(); it++) - // 'augment' has side-effects which have to be always executed, don't change order - successful = augment(layered_nf, *it, max_depth) || successful; - return successful; -} - -inline void Graph_matching::set_r(double r) { - this->r = r; -} - -inline bool Graph_matching::augment(Layered_neighbors_finder & layered_nf, int u_start_index, int max_depth) { - //V vertices have at most one successor, thus when we backtrack from U we can directly pop_back 2 vertices. - std::deque<int> path; - path.emplace_back(u_start_index); - do { - if (static_cast<int>(path.size()) > max_depth) { - path.pop_back(); - path.pop_back(); - } - if (path.empty()) - return false; - path.emplace_back(layered_nf.pull_near(path.back(), static_cast<int>(path.size())/2)); - while (path.back() == null_point_index()) { - path.pop_back(); - path.pop_back(); - if (path.empty()) - return false; - path.pop_back(); - path.emplace_back(layered_nf.pull_near(path.back(), path.size() / 2)); - } - path.emplace_back(v_to_u.at(path.back())); - } while (path.back() != null_point_index()); - //if v_to_u.at(path.back()) has no successor, path.back() is an exposed vertex - path.pop_back(); - update(path); - return true; -} - -inline std::unique_ptr<Layered_neighbors_finder> Graph_matching::layering() const { - std::list<int> u_vertices(unmatched_in_u); - std::list<int> v_vertices; - Neighbors_finder nf(r); - for (int v_point_index = 0; v_point_index < G::size(); ++v_point_index) - nf.add(v_point_index); - std::unique_ptr<Layered_neighbors_finder> layered_nf(new Layered_neighbors_finder(r)); - for(int layer = 0; !u_vertices.empty(); layer++) { - // one layer is one step in the BFS - for (auto it = u_vertices.cbegin(); it != u_vertices.cend(); ++it) { - std::unique_ptr< std::list<int> > u_succ = std::move(nf.pull_all_near(*it)); - for (auto it = u_succ->cbegin(); it != u_succ->cend(); ++it) { - layered_nf->add(*it, layer); - v_vertices.emplace_back(*it); - } - } - // When the above for finishes, we have progress of one half-step (from U to V) in the BFS - u_vertices.clear(); - bool end = false; - for (auto it = v_vertices.cbegin(); it != v_vertices.cend(); it++) - if (v_to_u.at(*it) == null_point_index()) - // we stop when a nearest exposed V vertex (from U exposed vertices) has been found - end = true; - else - u_vertices.emplace_back(v_to_u.at(*it)); - // When the above for finishes, we have progress of one half-step (from V to U) in the BFS - if (end) - return layered_nf; - v_vertices.clear(); - } - return layered_nf; -} - -inline void Graph_matching::update(std::deque<int>& path) { - unmatched_in_u.remove(path.front()); - for (auto it = path.cbegin(); it != path.cend(); ++it) { - // Be careful, the iterator is incremented twice each time - int tmp = *it; - v_to_u[*(++it)] = tmp; - } -} - -template<typename Persistence_diagram1, typename Persistence_diagram2> -double bottleneck_distance(const Persistence_diagram1 &diag1, const Persistence_diagram2 &diag2, double e) { - G::initialize(diag1, diag2, e); - std::unique_ptr< std::vector<double> > sd = std::move(G::sorted_distances()); - int idmin = 0; - int idmax = sd->size() - 1; - // alpha can be modified, this will change the complexity - double alpha = pow(sd->size(), 0.25); - Graph_matching m; - Graph_matching biggest_unperfect; - while (idmin != idmax) { - int step = static_cast<int>((idmax - idmin) / alpha); - m.set_r(sd->at(idmin + step)); - while (m.multi_augment()); - // The above while compute a maximum matching (according to the r setted before) - if (m.perfect()) { - idmax = idmin + step; - m = biggest_unperfect; - } else { - biggest_unperfect = m; - idmin = idmin + step + 1; - } - } - return sd->at(idmin); -} - -} // namespace bipartite_graph_matching - -} // namespace Gudhi - -#endif // SRC_BOTTLENECK_INCLUDE_GUDHI_GRAPH_MATCHING_H_ diff --git a/src/Bipartite_graph_matching/include/gudhi/Neighbors_finder.h b/src/Bipartite_graph_matching/include/gudhi/Neighbors_finder.h deleted file mode 100644 index 78b9debc..00000000 --- a/src/Bipartite_graph_matching/include/gudhi/Neighbors_finder.h +++ /dev/null @@ -1,155 +0,0 @@ -/* 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): Francois Godi - * - * Copyright (C) 2015 INRIA Sophia-Antipolis (France) - * - * 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/>. - */ - -#ifndef SRC_BOTTLENECK_INCLUDE_GUDHI_NEIGHBORS_FINDER_H_ -#define SRC_BOTTLENECK_INCLUDE_GUDHI_NEIGHBORS_FINDER_H_ - -#include <unordered_set> - -#include "Planar_neighbors_finder.h" - -namespace Gudhi { - -namespace bipartite_graph_matching { - -/** \internal \brief data structure used to find any point (including projections) in V near to a query point from U - * (which can be a projection). - * - * V points have to be added manually using their index and before the first pull. A neighbor pulled is automatically removed. - * - * \ingroup bottleneck_distance - */ -class Neighbors_finder { -public: - /** \internal \brief Constructor taking the near distance definition as parameter. */ - Neighbors_finder(double r); - /** \internal \brief A point added will be possibly pulled. */ - void add(int v_point_index); - /** \internal \brief Returns and remove a V point near to the U point given as parameter, null_point_index() if there isn't such a point. */ - int pull_near(int u_point_index); - /** \internal \brief Returns and remove all the V points near to the U point given as parameter. */ - std::unique_ptr< std::list<int> > pull_all_near(int u_point_index); - -private: - const double r; - Planar_neighbors_finder planar_neighbors_f; - std::unordered_set<int> projections_f; - void remove(int v_point_index); - bool contains(int v_point_index); -}; - -/** \internal \brief data structure used to find any point (including projections) in V near to a query point from U - * (which can be a projection) in a layered graph layer given as parmeter. - * - * V points have to be added manually using their index and before the first pull. A neighbor pulled is automatically removed. - * - * \ingroup bottleneck_distance - */ -class Layered_neighbors_finder { -public: - /** \internal \brief Constructor taking the near distance definition as parameter. */ - Layered_neighbors_finder(double r); - /** \internal \brief A point added will be possibly pulled. */ - void add(int v_point_index, int vlayer); - /** \internal \brief Returns and remove a V point near to the U point given as parameter, null_point_index() if there isn't such a point. */ - int pull_near(int u_point_index, int vlayer); - /** \internal \brief Returns the number of layers. */ - int vlayers_number() const; - -private: - const double r; - std::vector<Neighbors_finder> neighbors_finder; -}; - -inline Neighbors_finder::Neighbors_finder(double r) : - r(r), planar_neighbors_f(r), projections_f() { } - -inline void Neighbors_finder::add(int v_point_index) { - if (G::on_the_v_diagonal(v_point_index)) - projections_f.emplace(v_point_index); - else - planar_neighbors_f.add(v_point_index); -} - -inline void Neighbors_finder::remove(int v_point_index) { - if(v_point_index == null_point_index()) - return; - if (G::on_the_v_diagonal(v_point_index)) - projections_f.erase(v_point_index); - else - planar_neighbors_f.remove(v_point_index); -} - -inline bool Neighbors_finder::contains(int v_point_index) { - return planar_neighbors_f.contains(v_point_index) || (projections_f.count(v_point_index)>0); -} - -inline int Neighbors_finder::pull_near(int u_point_index) { - int tmp; - int c = G::corresponding_point_in_v(u_point_index); - if (G::on_the_u_diagonal(u_point_index) && !projections_f.empty()) - //All projections are at distance 0 - tmp = *projections_f.cbegin(); - else if (contains(c) && (G::distance(u_point_index, c) <= r)) - //Is the query point near to its projection ? - tmp = c; - else - //Is the query point near to a V point in the plane ? - tmp = planar_neighbors_f.pull_near(u_point_index); - remove(tmp); - return tmp; -} - -inline std::unique_ptr< std::list<int> > Neighbors_finder::pull_all_near(int u_point_index) { - std::unique_ptr< std::list<int> > all_pull = std::move(planar_neighbors_f.pull_all_near(u_point_index)); - int last_pull = pull_near(u_point_index); - while (last_pull != null_point_index()) { - all_pull->emplace_back(last_pull); - last_pull = pull_near(u_point_index); - } - return all_pull; -} - -inline Layered_neighbors_finder::Layered_neighbors_finder(double r) : - r(r), neighbors_finder() { } - -inline void Layered_neighbors_finder::add(int v_point_index, int vlayer) { - for (int l = neighbors_finder.size(); l <= vlayer; l++) - neighbors_finder.emplace_back(Neighbors_finder(r)); - neighbors_finder.at(vlayer).add(v_point_index); -} - -inline int Layered_neighbors_finder::pull_near(int u_point_index, int vlayer) { - if (static_cast<int> (neighbors_finder.size()) <= vlayer) - return null_point_index(); - return neighbors_finder.at(vlayer).pull_near(u_point_index); -} - -inline int Layered_neighbors_finder::vlayers_number() const { - return static_cast<int>(neighbors_finder.size()); -} - -} // namespace bipartite_graph_matching - -} // namespace Gudhi - -#endif // SRC_BOTTLENECK_INCLUDE_GUDHI_NEIGHBORS_FINDER_H_ diff --git a/src/Bipartite_graph_matching/include/gudhi/Persistence_diagrams_graph.h b/src/Bipartite_graph_matching/include/gudhi/Persistence_diagrams_graph.h deleted file mode 100644 index 1f8e83e7..00000000 --- a/src/Bipartite_graph_matching/include/gudhi/Persistence_diagrams_graph.h +++ /dev/null @@ -1,163 +0,0 @@ -/* 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): Francois Godi - * - * Copyright (C) 2015 INRIA Sophia-Antipolis (France) - * - * 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/>. - */ - -#ifndef SRC_BOTTLENECK_INCLUDE_GUDHI_PERSISTENCE_DIAGRAMS_GRAPH_H_ -#define SRC_BOTTLENECK_INCLUDE_GUDHI_PERSISTENCE_DIAGRAMS_GRAPH_H_ - -#include <vector> -#include <set> -#include <cmath> -#include <utility> -#include <algorithm> -#include <math.h> - -namespace Gudhi { - -namespace bipartite_graph_matching { - -/** \internal \brief Returns the used index for encoding none of the points */ -int null_point_index(); - -/** \internal \brief Structure representing an euclidean bipartite graph containing - * the points from the two persistence diagrams (including the projections). - * - * \ingroup bottleneck_distance - */ -class Persistence_diagrams_graph { -public: - /** \internal \brief Initializer taking 2 Point (concept) ranges as parameters. */ - template<typename Persistence_diagram1, typename Persistence_diagram2> - static void initialize(const Persistence_diagram1& diag1, const Persistence_diagram2& diag2, double e); - /** \internal \brief Is the given point from U the projection of a point in V ? */ - static bool on_the_u_diagonal(int u_point_index); - /** \internal \brief Is the given point from V the projection of a point in U ? */ - static bool on_the_v_diagonal(int v_point_index); - /** \internal \brief Given a point from V, returns the corresponding (projection or projector) point in U. */ - static int corresponding_point_in_u(int v_point_index); - /** \internal \brief Given a point from U, returns the corresponding (projection or projector) point in V. */ - static int corresponding_point_in_v(int u_point_index); - /** \internal \brief Given a point from U and a point from V, returns the distance between those points. */ - static double distance(int u_point_index, int v_point_index); - /** \internal \brief Returns size = |U| = |V|. */ - static int size(); - /** \internal \brief Returns the O(n^2) sorted distances between the points. */ - static std::unique_ptr< std::vector<double> > sorted_distances(); - -private: - /** \internal \typedef \brief Internal_point is the internal points representation, indexes used outside. */ - typedef std::pair<double, double> Internal_point; - static std::vector<Internal_point> u; - static std::vector<Internal_point> v; - static Internal_point get_u_point(int u_point_index); - static Internal_point get_v_point(int v_point_index); - - friend class Naive_pnf; - friend class Upper_envelope_tree; -}; - -/** \internal \typedef \brief Shorter alias */ -typedef Persistence_diagrams_graph G; - -// static initialization, seems to work but strange -std::vector<G::Internal_point> G::u = [] {return std::vector<G::Internal_point>();}(); -std::vector<G::Internal_point> G::v = [] {return std::vector<G::Internal_point>();}(); - -inline int null_point_index() { - return -1; -} - -template<typename Persistence_diagram1, typename Persistence_diagram2> -inline void G::initialize(const Persistence_diagram1 &diag1, - const Persistence_diagram2 &diag2, double e){ - u.clear(); - v.clear(); - for (auto it = diag1.cbegin(); it != diag1.cend(); ++it) - if (it->second - it->first > e) - u.emplace_back(*it); - for (auto it = diag2.cbegin(); it != diag2.cend(); ++it) - if (it->second - it->first > e) - v.emplace_back(*it); - if (u.size() < v.size()) - swap(u, v); -} - -inline bool G::on_the_u_diagonal(int u_point_index) { - return u_point_index >= static_cast<int> (u.size()); -} - -inline bool G::on_the_v_diagonal(int v_point_index) { - return v_point_index >= static_cast<int> (v.size()); -} - -inline int G::corresponding_point_in_u(int v_point_index) { - return on_the_v_diagonal(v_point_index) ? - v_point_index - static_cast<int> (v.size()) : v_point_index + static_cast<int> (u.size()); -} - -inline int G::corresponding_point_in_v(int u_point_index) { - return on_the_u_diagonal(u_point_index) ? - u_point_index - static_cast<int> (u.size()) : u_point_index + static_cast<int> (v.size()); -} - -inline double G::distance(int u_point_index, int v_point_index) { - if (on_the_u_diagonal(u_point_index) && on_the_v_diagonal(v_point_index)) - return 0; - Internal_point p_u = get_u_point(u_point_index); - Internal_point p_v = get_v_point(v_point_index); - return std::max(std::fabs(p_u.first - p_v.first), std::fabs(p_u.second - p_v.second)); -} - -inline int G::size() { - return static_cast<int> (u.size() + v.size()); -} - -inline std::unique_ptr< std::vector<double> > G::sorted_distances() { - // could be optimized - std::set<double> sorted_distances; - for (int u_point_index = 0; u_point_index < size(); ++u_point_index) - for (int v_point_index = 0; v_point_index < size(); ++v_point_index) - sorted_distances.emplace(distance(u_point_index, v_point_index)); - std::unique_ptr< std::vector<double> > sd_up(new std::vector<double>(sorted_distances.cbegin(), sorted_distances.cend())); - return sd_up; -} - -inline G::Internal_point G::get_u_point(int u_point_index) { - if (!on_the_u_diagonal(u_point_index)) - return u.at(u_point_index); - Internal_point projector = v.at(corresponding_point_in_v(u_point_index)); - double x = (projector.first + projector.second) / 2; - return Internal_point(x, x); -} - -inline G::Internal_point G::get_v_point(int v_point_index) { - if (!on_the_v_diagonal(v_point_index)) - return v.at(v_point_index); - Internal_point projector = u.at(corresponding_point_in_u(v_point_index)); - double x = (projector.first + projector.second) / 2; - return Internal_point(x, x); -} - -} // namespace bipartite_graph_matching - -} // namespace Gudhi - -#endif // SRC_BOTTLENECK_INCLUDE_GUDHI_PERSISTENCE_DIAGRAMS_GRAPH_H_ diff --git a/src/Bipartite_graph_matching/include/gudhi/Planar_neighbors_finder.h b/src/Bipartite_graph_matching/include/gudhi/Planar_neighbors_finder.h deleted file mode 100644 index 32155b91..00000000 --- a/src/Bipartite_graph_matching/include/gudhi/Planar_neighbors_finder.h +++ /dev/null @@ -1,171 +0,0 @@ -/* 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): Francois Godi - * - * Copyright (C) 2015 INRIA Sophia-Antipolis (France) - * - * 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/>. - */ - -#ifndef SRC_BOTTLENECK_INCLUDE_GUDHI_PLANAR_NEIGHBORS_FINDER_H_ -#define SRC_BOTTLENECK_INCLUDE_GUDHI_PLANAR_NEIGHBORS_FINDER_H_ - -#include <list> -#include <map> - -#include "Persistence_diagrams_graph.h" -#include "Envelope_tree.h" - -namespace Gudhi { - -namespace bipartite_graph_matching { - -/** \internal \brief Structure used to find any point in V near (according to the planar distance) to a query point from U. - * - * V points have to be added manually using their index and before the first remove/pull. A neighbor pulled is automatically removed. but we can also - * remove points manually using their index. - * - * \ingroup bottleneck_distance - */ -class Abstract_planar_neighbors_finder { -public: - /** \internal \brief Constructor TODO. */ - Abstract_planar_neighbors_finder(double r); - virtual ~Abstract_planar_neighbors_finder() = 0; - /** \internal \brief A point added will be possibly pulled. */ - virtual void add(int v_point_index) = 0; - /** \internal \brief A point manually removed will no longer be possibly pulled. */ - virtual void remove(int v_point_index) = 0; - /** \internal \brief Can the point given as parameter be returned ? */ - virtual bool contains(int v_point_index) const = 0; - /** \internal \brief Provide and remove a V point near to the U point given as parameter, null_point_index() if there isn't such a point. */ - virtual int pull_near(int u_point_index) = 0; - /** \internal \brief Provide and remove all the V points near to the U point given as parameter. */ - virtual std::unique_ptr< std::list<int> > pull_all_near(int u_point_index); - -protected: - const double r; -}; - -/** \internal \brief Naive_pnf is an naïve Abstract_planar_neighbors_finder implementation - * - * \ingroup bottleneck_distance - */ -class Naive_pnf : public Abstract_planar_neighbors_finder { -public: - /** \internal \brief Constructor taking the near distance definition as parameter. */ - Naive_pnf(double r); - /** \internal \brief A point added will be possibly pulled. */ - void add(int v_point_index); - /** \internal \brief A point manually removed will no longer be possibly pulled. */ - void remove(int v_point_index); - /** \internal \brief Can the point given as parameter be returned ? */ - bool contains(int v_point_index) const; - /** \internal \brief Provide and remove a V point near to the U point given as parameter, null_point_index() if there isn't such a point. */ - int pull_near(int u_point_index); - /** \internal \brief Provide and remove all the V points near to the U point given as parameter. */ - virtual std::unique_ptr< std::list<int> > pull_all_near(int u_point_index); - -private: - std::pair<int,int> get_v_key(int v_point_index) const; - std::multimap<std::pair<int,int>,int> grid; -}; - -/** \internal \typedef \brief Planar_neighbors_finder is the used Abstract_planar_neighbors_finder's implementation. */ -typedef Naive_pnf Planar_neighbors_finder; - - -inline Abstract_planar_neighbors_finder::Abstract_planar_neighbors_finder(double r) : - r(r) { } - -inline Abstract_planar_neighbors_finder::~Abstract_planar_neighbors_finder() {} - -inline std::unique_ptr< std::list<int> > Abstract_planar_neighbors_finder::pull_all_near(int u_point_index) { - std::unique_ptr< std::list<int> > all_pull(new std::list<int>); - int last_pull = pull_near(u_point_index); - while (last_pull != null_point_index()) { - all_pull->emplace_back(last_pull); - last_pull = pull_near(u_point_index); - } - return all_pull; -} - -inline Naive_pnf::Naive_pnf(double r) : - Abstract_planar_neighbors_finder(r), grid() { } - - -inline std::pair<int,int> Naive_pnf::get_v_key(int v_point_index) const{ - G::Internal_point v_point = G::get_v_point(v_point_index); - return std::make_pair(static_cast<int>(v_point.first/r), static_cast<int>(v_point.second/r)); -} - -inline void Naive_pnf::add(int v_point_index) { - grid.emplace(get_v_key(v_point_index),v_point_index); -} - -inline void Naive_pnf::remove(int v_point_index) { - for(auto it = grid.find(get_v_key(v_point_index)); it!=grid.end(); it++) - if(it->second==v_point_index){ - grid.erase(it); - return; - } -} - -inline bool Naive_pnf::contains(int v_point_index) const { - if(v_point_index == null_point_index()) - return false; - for(auto it = grid.find(get_v_key(v_point_index)); it!=grid.end(); it++) - if(it->second==v_point_index) - return true; - return false; -} - -inline int Naive_pnf::pull_near(int u_point_index) { - G::Internal_point u_point = G::get_u_point(u_point_index); - int i0 = static_cast<int>(u_point.first/r); - int j0 = static_cast<int>(u_point.second/r); - for(int i = 1; i<= 3; i++) - for(int j = 1; j<= 3; j++) - for(auto it = grid.find(std::make_pair(i0 +(i%3)-1, j0+(j%3)-1)); it!=grid.end(); it++) - if (G::distance(u_point_index, it->second) <= r) { - int tmp = it->second; - grid.erase(it); - return tmp; - } - return null_point_index(); -} - -inline std::unique_ptr< std::list<int> > Naive_pnf::pull_all_near(int u_point_index) { - std::unique_ptr< std::list<int> > all_pull(new std::list<int>); - G::Internal_point u_point = G::get_u_point(u_point_index); - int i0 = static_cast<int>(u_point.first/r); - int j0 = static_cast<int>(u_point.second/r); - for(int i = 1; i<= 3; i++) - for(int j = 1; j<= 3; j++) - for(auto it = grid.find(std::make_pair(i0 +(i%3)-1, j0+(j%3)-1)); it!=grid.end(); it++) - if (G::distance(u_point_index, it->second) <= r) { - int tmp = it->second; - grid.erase(it); - all_pull->emplace_back(tmp); - } - return all_pull; -} - -} // namespace bipartite_graph_matching - -} // namespace Gudhi - -#endif // SRC_BOTTLENECK_INCLUDE_GUDHI_PLANAR_NEIGHBORS_FINDER_H_ diff --git a/src/Bipartite_graph_matching/test/CMakeLists.txt b/src/Bipartite_graph_matching/test/CMakeLists.txt deleted file mode 100644 index 8e4371b8..00000000 --- a/src/Bipartite_graph_matching/test/CMakeLists.txt +++ /dev/null @@ -1,31 +0,0 @@ -cmake_minimum_required(VERSION 2.6) -project(GUDHIBottleneckUT) - -if (GCOVR_PATH) - # for gcovr to make coverage reports - Corbera Jenkins plugin - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage") - set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fprofile-arcs -ftest-coverage") - set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fprofile-arcs -ftest-coverage") -endif() -if (GPROF_PATH) - # for gprof to make coverage reports - Jenkins - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pg") - set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -pg") - set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -pg") -endif() - message("CMAKE_CXX_FLAGS = ${CMAKE_CXX_FLAGS}") - message("CMAKE_CXX_FLAGS_DEBUG = ${CMAKE_CXX_FLAGS_DEBUG}") - message("CMAKE_CXX_FLAGS_RELEASE = ${CMAKE_CXX_FLAGS_RELEASE}") - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O2 -std=c++11 -Wall -Wpedantic -Wsign-compare") - set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -ggdb -O0") - set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}") - -add_executable ( BottleneckUT bottleneck_unit_test.cpp ) -target_link_libraries(BottleneckUT ${Boost_SYSTEM_LIBRARY} ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY}) - -# Unitary tests -add_test(NAME BottleneckUT - COMMAND ${CMAKE_CURRENT_BINARY_DIR}/BottleneckUT - # XML format for Jenkins xUnit plugin - --log_format=XML --log_sink=${CMAKE_SOURCE_DIR}/BottleneckUT.xml --log_level=test_suite --report_level=no) - diff --git a/src/Bipartite_graph_matching/test/README b/src/Bipartite_graph_matching/test/README deleted file mode 100644 index 0e7b8673..00000000 --- a/src/Bipartite_graph_matching/test/README +++ /dev/null @@ -1,12 +0,0 @@ -To compile: -*********** - -cmake . -make - -To launch with details: -*********************** - -./BottleneckUnitTest --report_level=detailed --log_level=all - - ==> echo $? returns 0 in case of success (non-zero otherwise) diff --git a/src/Bipartite_graph_matching/test/bottleneck_unit_test.cpp b/src/Bipartite_graph_matching/test/bottleneck_unit_test.cpp deleted file mode 100644 index dc33f76b..00000000 --- a/src/Bipartite_graph_matching/test/bottleneck_unit_test.cpp +++ /dev/null @@ -1,207 +0,0 @@ -#define BOOST_TEST_MODULE bottleneck test - -#include <boost/test/included/unit_test.hpp> -#include <random> -#include "../include/gudhi/Graph_matching.h" - -#include <chrono> -#include <fstream> - -using namespace Gudhi::bipartite_graph_matching; - -int n1 = 81; // a natural number >0 -int n2 = 180; // a natural number >0 -double upper_bound = 400.5; // any real >0 - -BOOST_AUTO_TEST_CASE(global){ - std::uniform_real_distribution<double> unif1(0.,upper_bound); - std::uniform_real_distribution<double> unif2(upper_bound/1000.,upper_bound/100.); - std::default_random_engine re; - std::vector< std::pair<double, double> > v1, v2; - for (int i = 0; i < n1; i++) { - double a = unif1(re); - double b = unif1(re); - double x = unif2(re); - double y = unif2(re); - v1.emplace_back(std::min(a,b), std::max(a,b)); - v2.emplace_back(std::min(a,b)+std::min(x,y), std::max(a,b)+std::max(x,y)); - if(i%5==0) - v1.emplace_back(std::min(a,b),std::min(a,b)+x); - if(i%3==0) - v2.emplace_back(std::max(a,b),std::max(a,b)+y); - } - //99.5 and not 100 to avoid float errors. - BOOST_CHECK(bottleneck_distance(v1, v2) <= upper_bound/99.5); -} - -BOOST_AUTO_TEST_CASE(persistence_diagrams_graph){ - // Random construction - std::uniform_real_distribution<double> unif(0.,upper_bound); - std::default_random_engine re; - std::vector< std::pair<double, double> > v1, v2; - for (int i = 0; i < n1; i++) { - double a = unif(re); - double b = unif(re); - v1.emplace_back(std::min(a,b), std::max(a,b)); - } - for (int i = 0; i < n2; i++) { - double a = unif(re); - double b = unif(re); - v2.emplace_back(std::min(a,b), std::max(a,b)); - } - G::initialize(v1, v2, 0.); - std::unique_ptr< std::vector<double> > d = std::move(G::sorted_distances()); - // - BOOST_CHECK(!G::on_the_u_diagonal(n1-1)); - BOOST_CHECK(!G::on_the_u_diagonal(n1)); - BOOST_CHECK(!G::on_the_u_diagonal(n2-1)); - BOOST_CHECK(G::on_the_u_diagonal(n2)); - BOOST_CHECK(!G::on_the_v_diagonal(n1-1)); - BOOST_CHECK(G::on_the_v_diagonal(n1)); - BOOST_CHECK(G::on_the_v_diagonal(n2-1)); - BOOST_CHECK(G::on_the_v_diagonal(n2)); - // - BOOST_CHECK(G::corresponding_point_in_u(0)==n2); - BOOST_CHECK(G::corresponding_point_in_u(n1)==0); - BOOST_CHECK(G::corresponding_point_in_v(0)==n1); - BOOST_CHECK(G::corresponding_point_in_v(n2)==0); - // - BOOST_CHECK(G::size()==(n1+n2)); - // - BOOST_CHECK((int) d->size() <= (n1+n2)*(n1+n2) - n1*n2 + 1); - BOOST_CHECK(std::count(d->begin(), d->end(), G::distance(0,0))==1); - BOOST_CHECK(std::count(d->begin(), d->end(), G::distance(0,n1-1))==1); - BOOST_CHECK(std::count(d->begin(), d->end(), G::distance(0,n1))==1); - BOOST_CHECK(std::count(d->begin(), d->end(), G::distance(0,n2-1))==1); - BOOST_CHECK(std::count(d->begin(), d->end(), G::distance(0,n2))==1); - BOOST_CHECK(std::count(d->begin(), d->end(), G::distance(0,(n1+n2)-1))==1); - BOOST_CHECK(std::count(d->begin(), d->end(), G::distance(n1,0))==1); - BOOST_CHECK(std::count(d->begin(), d->end(), G::distance(n1,n1-1))==1); - BOOST_CHECK(std::count(d->begin(), d->end(), G::distance(n1,n1))==1); - BOOST_CHECK(std::count(d->begin(), d->end(), G::distance(n1,n2-1))==1); - BOOST_CHECK(std::count(d->begin(), d->end(), G::distance(n1,n2))==1); - BOOST_CHECK(std::count(d->begin(), d->end(), G::distance(n1,(n1+n2)-1))==1); - BOOST_CHECK(std::count(d->begin(), d->end(), G::distance((n1+n2)-1,0))==1); - BOOST_CHECK(std::count(d->begin(), d->end(), G::distance((n1+n2)-1,n1-1))==1); - BOOST_CHECK(std::count(d->begin(), d->end(), G::distance((n1+n2)-1,n1))==1); - BOOST_CHECK(std::count(d->begin(), d->end(), G::distance((n1+n2)-1,n2-1))==1); - BOOST_CHECK(std::count(d->begin(), d->end(), G::distance((n1+n2)-1,n2))==1); - BOOST_CHECK(std::count(d->begin(), d->end(), G::distance((n1+n2)-1,(n1+n2)-1))==1); -} - - -BOOST_AUTO_TEST_CASE(planar_neighbors_finder) { - Planar_neighbors_finder pnf = Planar_neighbors_finder(1.); - for(int v_point_index=0; v_point_index<n1; v_point_index+=2) - pnf.add(v_point_index); - // - BOOST_CHECK(pnf.contains(0)); - BOOST_CHECK(!pnf.contains(1)); - BOOST_CHECK(pnf.contains(2)); - BOOST_CHECK(!pnf.contains(3)); - // - pnf.remove(0); - pnf.remove(1); - // - BOOST_CHECK(!pnf.contains(0)); - BOOST_CHECK(!pnf.contains(1)); - BOOST_CHECK(pnf.contains(2)); - BOOST_CHECK(!pnf.contains(3)); - // - int v_point_index_1 = pnf.pull_near(n2/2); - BOOST_CHECK((v_point_index_1 == -1) || (G::distance(n2/2,v_point_index_1)<=1.)); - BOOST_CHECK(!pnf.contains(v_point_index_1)); - std::list<int> l = *pnf.pull_all_near(n2/2); - bool v = true; - for(auto it = l.cbegin(); it != l.cend(); ++it) - v = v && (G::distance(n2/2,*it)>1.); - BOOST_CHECK(v); - int v_point_index_2 = pnf.pull_near(n2/2); - BOOST_CHECK(v_point_index_2 == -1); -} - - -BOOST_AUTO_TEST_CASE(neighbors_finder) { - Neighbors_finder nf = Neighbors_finder(1.); - for(int v_point_index=1; v_point_index<((n2+n1)*9/10); v_point_index+=2) - nf.add(v_point_index); - // - int v_point_index_1 = nf.pull_near(n2/2); - BOOST_CHECK((v_point_index_1 == -1) || (G::distance(n2/2,v_point_index_1)<=1.)); - std::list<int> l = *nf.pull_all_near(n2/2); - bool v = true; - for(auto it = l.cbegin(); it != l.cend(); ++it) - v = v && (G::distance(n2/2,*it)>1.); - BOOST_CHECK(v); - int v_point_index_2 = nf.pull_near(n2/2); - BOOST_CHECK(v_point_index_2 == -1); -} - -BOOST_AUTO_TEST_CASE(layered_neighbors_finder) { - Layered_neighbors_finder lnf = Layered_neighbors_finder(1.); - for(int v_point_index=1; v_point_index<((n2+n1)*9/10); v_point_index+=2) - lnf.add(v_point_index, v_point_index % 7); - // - int v_point_index_1 = lnf.pull_near(n2/2,6); - BOOST_CHECK((v_point_index_1 == -1) || (G::distance(n2/2,v_point_index_1)<=1.)); - int v_point_index_2 = lnf.pull_near(n2/2,6); - BOOST_CHECK(v_point_index_2 == -1); - v_point_index_1 = lnf.pull_near(n2/2,0); - BOOST_CHECK((v_point_index_1 == -1) || (G::distance(n2/2,v_point_index_1)<=1.)); - v_point_index_2 = lnf.pull_near(n2/2,0); - BOOST_CHECK(v_point_index_2 == -1); -} - -BOOST_AUTO_TEST_CASE(graph_matching) { - Graph_matching m1; - m1.set_r(0.); - int e = 0; - while (m1.multi_augment()) - ++e; - BOOST_CHECK(e <= 2*sqrt(2*(n1+n2))); - Graph_matching m2 = m1; - BOOST_CHECK(!m2.multi_augment()); - m2.set_r(upper_bound); - e = 0; - while (m2.multi_augment()) - ++e; - BOOST_CHECK(e <= 2*sqrt(2*(n1+n2))); - BOOST_CHECK(m2.perfect()); - BOOST_CHECK(!m1.perfect()); -} - -/* -BOOST_AUTO_TEST_CASE(chrono) { - std::ofstream objetfichier; - objetfichier.open("results.csv", std::ios::out); - - for(int n =50; n<=1000; n+=100){ - std::uniform_real_distribution<double> unif1(0.,upper_bound); - std::uniform_real_distribution<double> unif2(upper_bound/1000.,upper_bound/100.); - std::default_random_engine re; - std::vector< std::pair<double, double> > v1, v2; - for (int i = 0; i < n; i++) { - double a = unif1(re); - double b = unif1(re); - double x = unif2(re); - double y = unif2(re); - v1.emplace_back(std::min(a,b), std::max(a,b)); - v2.emplace_back(std::min(a,b)+std::min(x,y), std::max(a,b)+std::max(x,y)); - if(i%5==0) - v1.emplace_back(std::min(a,b),std::min(a,b)+x); - if(i%3==0) - v2.emplace_back(std::max(a,b),std::max(a,b)+y); - } - - std::chrono::steady_clock::time_point start = std::chrono::steady_clock::now(); - double b = bottleneck_distance(v1,v2); - std::chrono::steady_clock::time_point end = std::chrono::steady_clock::now(); - - typedef std::chrono::duration<int,std::milli> millisecs_t; - millisecs_t duration(std::chrono::duration_cast<millisecs_t>(end-start)); - objetfichier << n << ";" << duration.count() << ";" << b << std::endl; - } - objetfichier.close(); -} -*/ - |