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authorfgodi <fgodi@636b058d-ea47-450e-bf9e-a15bfbe3eedb>2016-04-04 13:17:50 +0000
committerfgodi <fgodi@636b058d-ea47-450e-bf9e-a15bfbe3eedb>2016-04-04 13:17:50 +0000
commit02be2aeb7f0a2197d943736aeb9796dc2f5a6f4d (patch)
tree2f0cd7a0c81a95153900ce9c4f4587a5ec25ab90 /src
parent4d998529d47a726efeb6e075cf4ea4ed2210de14 (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')
-rw-r--r--src/Bipartite_graph_matching/concept/Persistence_diagram.h7
-rw-r--r--src/Bipartite_graph_matching/example/example.cpp44
-rw-r--r--src/Bipartite_graph_matching/include/gudhi/Graph_matching.h213
-rw-r--r--src/Bipartite_graph_matching/include/gudhi/Neighbors_finder.h155
-rw-r--r--src/Bipartite_graph_matching/include/gudhi/Persistence_diagrams_graph.h163
-rw-r--r--src/Bipartite_graph_matching/include/gudhi/Planar_neighbors_finder.h171
-rw-r--r--src/Bipartite_graph_matching/test/CMakeLists.txt31
-rw-r--r--src/Bipartite_graph_matching/test/README12
-rw-r--r--src/Bipartite_graph_matching/test/bottleneck_unit_test.cpp207
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();
-}
-*/
-