old name removed

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/bottleneckDistance@1241 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: 66627d6e4e4d292717d8991351a7d31062b734a8

12 files changed, 0 insertions, 1235 deletions

diff --git a/src/Bipartite_graphs_matching/concept/Persistence_diagram.h b/src/Bipartite_graphs_matching/concept/Persistence_diagram.h
deleted file mode 100644
index eaaf8bc5..00000000
--- a/src/Bipartite_graphs_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_graphs_matching/example/CMakeLists.txt b/src/Bipartite_graphs_matching/example/CMakeLists.txt
deleted file mode 100644
index 4e8766cc..00000000
--- a/src/Bipartite_graphs_matching/example/CMakeLists.txt
+++ /dev/null
@@ -1,36 +0,0 @@
-cmake_minimum_required(VERSION 2.6)
-project(GUDHIBottleneckExample)
-
-# need CGAL 4.6
-# cmake -DCGAL_DIR=~/workspace/CGAL-4.6-beta1 ../../..
-if(CGAL_FOUND)
-  if (NOT CGAL_VERSION VERSION_LESS 4.6.0)
-    message(STATUS "CGAL version: ${CGAL_VERSION}.")
-
-    include( ${CGAL_USE_FILE} )
-
-    if(NOT MSVC)
-      include(CheckCXXCompilerFlag)
-      CHECK_CXX_COMPILER_FLAG(-std=c++11 COMPILER_SUPPORTS_CXX11)
-      if(COMPILER_SUPPORTS_CXX11)
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
-      endif()
-    endif()
-    # - End of workaround
- 
-    find_package(Eigen3 3.1.0)
-    if (EIGEN3_FOUND)
-      message(STATUS "Eigen3 version: ${EIGEN3_VERSION}.")
-      include( ${EIGEN3_USE_FILE} )
-      include_directories (BEFORE "../../include")
-
-      add_executable (basic_example basic.cpp)
-      #add_test(dtoffrw_tore3D ${CMAKE_CURRENT_BINARY_DIR}/dtoffrw ${CMAKE_SOURCE_DIR}/data/points/tore3D_1307.off 3)
-
-    else()
-      message(WARNING "Eigen3 not found. Version 3.1.0 is required.")
-    endif()
-  else()
-    message(WARNING "CGAL version: ${CGAL_VERSION} is too old to compile Alpha shapes feature. Version 4.6.0 is required.")
-  endif ()
-endif()
diff --git a/src/Bipartite_graphs_matching/example/basic.cpp b/src/Bipartite_graphs_matching/example/basic.cpp
deleted file mode 100644
index f1c9d36e..00000000
--- a/src/Bipartite_graphs_matching/example/basic.cpp
+++ /dev/null
@@ -1,85 +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 <gudhi/Graph_matching.h>
-#include <iostream>
-
-#include <chrono>
-#include <fstream>
-
-using namespace Gudhi::bipartite_graph_matching;
-
-
-double upper_bound = 400.; // any real >0
-
-int main(){
-    std::ofstream objetfichier;
-    objetfichier.open("results.csv", std::ios::out);
-
-    for(int n =50; n<=1000; n+=100){
-std::cout << n << "\n";
-        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();
-}
-
-
-/*
-int main() {
-    std::vector< std::pair<double,double> > v1, v2;
-
-    v1.push_back(std::pair<double,double>(2.7,3.7));
-    v1.push_back(std::pair<double,double>(9.6,14));
-    v1.push_back(std::pair<double,double>(34.2,34.974));
-
-    v2.push_back(std::pair<double,double>(2.8,4.45));
-    v2.push_back(std::pair<double,double>(9.5,14.1));
-
-
-    double b = bottleneck_distance(v1, v2);
-
-    std::cout << "Bottleneck distance = " << b << std::endl;
-
-}*/
diff --git a/src/Bipartite_graphs_matching/include/CGAL/Miscellaneous.h b/src/Bipartite_graphs_matching/include/CGAL/Miscellaneous.h
deleted file mode 100644
index 4de787fb..00000000
--- a/src/Bipartite_graphs_matching/include/CGAL/Miscellaneous.h
+++ /dev/null
@@ -1,51 +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_CGAL_MISCELLANEOUS_H_
-#define SRC_BOTTLENECK_INCLUDE_CGAL_MISCELLANEOUS_H_
-
-#include <gudhi/Internal_point.h>
-
-namespace CGAL {
-
-typedef Gudhi::bipartite_graph_matching::Internal_point Internal_point;
-
-template <>
-struct Kernel_traits<Internal_point> {
-    struct Kernel {
-        typedef double FT;
-        typedef double RT;
-    };
-};
-
-
-struct Construct_coord_iterator {
-    typedef  const double* result_type;
-    const double* operator()(const Internal_point& p) const
-    { return static_cast<const double*>(p.vec); }
-    const double* operator()(const Internal_point& p, int)  const
-    { return static_cast<const double*>(p.vec+2); }
-};
-
-} //namespace CGAL
-
-#endif  // SRC_BOTTLENECK_INCLUDE_CGAL_MISCELLANEOUS_H_
diff --git a/src/Bipartite_graphs_matching/include/gudhi/Graph_matching.h b/src/Bipartite_graphs_matching/include/gudhi/Graph_matching.h
deleted file mode 100644
index fa05aa7c..00000000
--- a/src/Bipartite_graphs_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 <gudhi/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::shared_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::shared_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::shared_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 it1 = u_vertices.cbegin(); it1 != u_vertices.cend(); ++it1) {
-            std::shared_ptr<std::list<int>> u_succ(nf.pull_all_near(*it1));
-            for (auto it2 = u_succ->begin(); it2 != u_succ->end(); ++it2) {
-                layered_nf->add(*it2, layer);
-                v_vertices.emplace_back(*it2);
-            }
-        }
-        // 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::shared_ptr< std::vector<double> > sd(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_graphs_matching/include/gudhi/Internal_point.h b/src/Bipartite_graphs_matching/include/gudhi/Internal_point.h
deleted file mode 100644
index 3dc37962..00000000
--- a/src/Bipartite_graphs_matching/include/gudhi/Internal_point.h
+++ /dev/null
@@ -1,74 +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_INTERNAL_POINT_H_
-#define SRC_BOTTLENECK_INCLUDE_GUDHI_INTERNAL_POINT_H_
-
-namespace Gudhi {
-
-namespace bipartite_graph_matching {
-
-/** \internal \brief Returns the used index for encoding none of the points */
-int null_point_index();
-
-/** \internal \typedef \brief Internal_point is the internal points representation, indexes used outside. */
-struct Internal_point {
-    double vec[2];
-    int point_index;
-    Internal_point() {}
-    Internal_point(double x, double y, int p_i = null_point_index()) { vec[0]=x; vec[1]=y; point_index = p_i; }
-    double x() const { return vec[ 0 ]; }
-    double y() const { return vec[ 1 ]; }
-    double& x() { return vec[ 0 ]; }
-    double& y() { return vec[ 1 ]; }
-    bool operator==(const Internal_point& p) const
-    {
-        return point_index==p.point_index;
-    }
-    bool  operator!=(const Internal_point& p) const { return ! (*this == p); }
-/* 
-Useless
-    friend void swap(Internal_point& a, Internal_point& b)
-    {
-        using std::swap;
-        double x_tmp = a.vec[0];
-        double y_tmp = a.vec[1];
-        int pi_tmp = a.point_index;
-        a.vec[0] = b.vec[0];
-        a.vec[1] = b.vec[1];
-        a.point_index = b.point_index;
-        b.vec[0] =  x_tmp;
-        b.vec[1] = y_tmp;
-        b.point_index = pi_tmp;
-    }
-*/
-};
-
-inline int null_point_index() {
-    return -1;
-}
-
-}  // namespace bipartite_graph_matching
-
-}  // namespace Gudhi
-
-#endif  // SRC_BOTTLENECK_INCLUDE_GUDHI_INTERNAL_POINT_H_
diff --git a/src/Bipartite_graphs_matching/include/gudhi/Neighbors_finder.h b/src/Bipartite_graphs_matching/include/gudhi/Neighbors_finder.h
deleted file mode 100644
index f346c62f..00000000
--- a/src/Bipartite_graphs_matching/include/gudhi/Neighbors_finder.h
+++ /dev/null
@@ -1,154 +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 <gudhi/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::shared_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<std::shared_ptr<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())
-        //Any pair of projection is 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::shared_ptr< std::list<int> > Neighbors_finder::pull_all_near(int u_point_index) {
-    std::shared_ptr< std::list<int> > all_pull(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(std::shared_ptr<Neighbors_finder>(new 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_graphs_matching/include/gudhi/Persistence_diagrams_graph.h b/src/Bipartite_graphs_matching/include/gudhi/Persistence_diagrams_graph.h
deleted file mode 100644
index 139caa8c..00000000
--- a/src/Bipartite_graphs_matching/include/gudhi/Persistence_diagrams_graph.h
+++ /dev/null
@@ -1,157 +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>
-#include <memory>
-#include <gudhi/Internal_point.h>
-
-namespace Gudhi {
-
-namespace bipartite_graph_matching {
-
-
-/** \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::shared_ptr< std::vector<double> > sorted_distances();
-
-private:
-    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 Cgal_pnf;
-};
-
-/** \internal \typedef \brief Shorter alias */
-typedef Persistence_diagrams_graph G;
-
-// static initialization
-std::vector<Internal_point> G::u = [] {return std::vector<Internal_point>();}();
-std::vector<Internal_point> G::v = [] {return std::vector<Internal_point>();}();
-
-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.push_back(Internal_point(it->first, it->second, u.size()));
-    for (auto it = diag2.cbegin(); it != diag2.cend(); ++it)
-        if (it->second - it->first > e)
-            v.push_back(Internal_point(it->first, it->second, v.size()));
-    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.x() - p_v.x()), std::fabs(p_u.y() - p_v.y()));
-}
-
-inline int G::size() {
-    return static_cast<int> (u.size() + v.size());
-}
-
-inline std::shared_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::shared_ptr< std::vector<double> > sd_up(new std::vector<double>(sorted_distances.cbegin(), sorted_distances.cend()));
-    return sd_up;
-}
-
-inline 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 m = (projector.x() + projector.y()) / 2;
-    return Internal_point(m,m,u_point_index);
-}
-
-inline 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 m = (projector.x() + projector.y()) / 2;
-    return Internal_point(m,m,v_point_index);
-}
-
-}  // namespace bipartite_graph_matching
-
-}  // namespace Gudhi
-
-#endif  // SRC_BOTTLENECK_INCLUDE_GUDHI_PERSISTENCE_DIAGRAMS_GRAPH_H_
diff --git a/src/Bipartite_graphs_matching/include/gudhi/Planar_neighbors_finder.h b/src/Bipartite_graphs_matching/include/gudhi/Planar_neighbors_finder.h
deleted file mode 100644
index 3d6d0084..00000000
--- a/src/Bipartite_graphs_matching/include/gudhi/Planar_neighbors_finder.h
+++ /dev/null
@@ -1,218 +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 <CGAL/Search_traits.h>
-#include <CGAL/Orthogonal_incremental_neighbor_search.h>
-#include <CGAL/Weighted_Minkowski_distance.h>
-#include <CGAL/Miscellaneous.h>
-#include <gudhi/Persistence_diagrams_graph.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 Naive_pnf {
-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::shared_ptr< std::list<int> > pull_all_near(int u_point_index);
-
-private:
-    double r;
-    std::pair<int,int> get_v_key(int v_point_index) const;
-    std::multimap<std::pair<int,int>,int> grid;
-};
-
-class Cgal_pnf {
-
-    typedef CGAL::Dimension_tag<2> D;
-    typedef CGAL::Search_traits<double, Internal_point, const double*, CGAL::Construct_coord_iterator, D> Traits;
-    typedef CGAL::Weighted_Minkowski_distance<Traits> Distance;
-    typedef CGAL::Orthogonal_incremental_neighbor_search<Traits, Distance> K_neighbor_search;
-    typedef K_neighbor_search::Tree Kd_tree;
-
-
-public:
-    /** \internal \brief Constructor taking the near distance definition as parameter. */
-    Cgal_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 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::shared_ptr< std::list<int> > pull_all_near(int u_point_index);
-
-private:
-    double r;
-    std::set<int> contents;
-    Kd_tree kd_t;
-};
-
-/** \internal \typedef \brief Planar_neighbors_finder is the used implementation. */
-typedef Naive_pnf Planar_neighbors_finder;
-
-inline Naive_pnf::Naive_pnf(double r_) :
-    r(r_), grid() { }
-
-
-inline std::pair<int,int> Naive_pnf::get_v_key(int v_point_index) const{
-    Internal_point v_point = G::get_v_point(v_point_index);
-    return std::make_pair(static_cast<int>(v_point.x()/r), static_cast<int>(v_point.y()/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) {
-    if(v_point_index != null_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) {
-    Internal_point u_point = G::get_u_point(u_point_index);
-    int i0 = static_cast<int>(u_point.x()/r);
-    int j0 = static_cast<int>(u_point.y()/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::shared_ptr< std::list<int> > Naive_pnf::pull_all_near(int u_point_index) {
-    std::shared_ptr< std::list<int> > all_pull(new std::list<int>);
-    Internal_point u_point = G::get_u_point(u_point_index);
-    int i0 = static_cast<int>(u_point.x()/r);
-    int j0 = static_cast<int>(u_point.y()/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;
-}
-
-
-/** \internal \brief Constructor taking the near distance definition as parameter. */
-inline Cgal_pnf::Cgal_pnf(double r_)
-    : r(r_), contents(), kd_t() {}
-
-
-/** \internal \brief A point added will be possibly pulled. */
-inline void Cgal_pnf::add(int v_point_index){
-    if(v_point_index == null_point_index())
-        return;
-    contents.insert(v_point_index);
-    kd_t.insert(G::get_v_point(v_point_index));
-}
-
-/** \internal \brief A point manually removed will no longer be possibly pulled. */
-inline void Cgal_pnf::remove(int v_point_index){
-    if(contains(v_point_index)){
-        contents.erase(v_point_index);
-        kd_t.remove(G::get_v_point(v_point_index));
-    }
-}
-
-/** \internal \brief Can the point given as parameter be returned ? */
-inline bool Cgal_pnf::contains(int v_point_index) const{
-    if(v_point_index == null_point_index())
-        return false;
-    return contents.count(v_point_index)>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. */
-inline int Cgal_pnf::pull_near(int u_point_index){
-    Internal_point u_point = G::get_u_point(u_point_index);
-    std::vector<double> w = {1., 1.};
-    K_neighbor_search search(kd_t, u_point, 0., true, Distance(0, 2, w));
-    auto it = search.begin();
-    if(it==search.end() || G::distance(u_point_index, it->first.point_index) > r)
-        return null_point_index();
-    int tmp = it->first.point_index;
-    remove(tmp);
-    return tmp;
-}
-
-inline std::shared_ptr< std::list<int> > Cgal_pnf::pull_all_near(int u_point_index) {
-    std::shared_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;
-}
-
-
-}  // namespace bipartite_graph_matching
-
-}  // namespace Gudhi
-
-#endif  // SRC_BOTTLENECK_INCLUDE_GUDHI_PLANAR_NEIGHBORS_FINDER_H_
diff --git a/src/Bipartite_graphs_matching/test/CMakeLists.txt b/src/Bipartite_graphs_matching/test/CMakeLists.txt
deleted file mode 100644
index ab0461cc..00000000
--- a/src/Bipartite_graphs_matching/test/CMakeLists.txt
+++ /dev/null
@@ -1,63 +0,0 @@
-cmake_minimum_required(VERSION 2.6)
-project(GUDHIBottleneckUT)
-
-
-
-
-if(CGAL_FOUND)
-  if (NOT CGAL_VERSION VERSION_LESS 4.6.0)
-    message(STATUS "CGAL version: ${CGAL_VERSION}.")
-
-    include( ${CGAL_USE_FILE} )
-
-    if(NOT MSVC)
-      include(CheckCXXCompilerFlag)
-      CHECK_CXX_COMPILER_FLAG(-std=c++11 COMPILER_SUPPORTS_CXX11)
-      if(COMPILER_SUPPORTS_CXX11)
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
-      endif()
-    endif()
-    # - End of workaround
- 
-    find_package(Eigen3 3.1.0)
-    if (EIGEN3_FOUND)
-      message(STATUS "Eigen3 version: ${EIGEN3_VERSION}.")
-      include( ${EIGEN3_USE_FILE} )
-      include_directories (BEFORE "../../include")
-
-      if (GCOVR_PATH)
-  # for gcovr to make coverage reports - Corbera Jenkins plugin
-  set(CMAKE_CXX_FLAGS "${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)
-
-
-    else()
-      message(WARNING "Eigen3 not found. Version 3.1.0 is required for Alpha shapes feature.")
-    endif()
-  else()
-    message(WARNING "CGAL version: ${CGAL_VERSION} is too old to compile bipartite graphs matching feature. Version 4.6.0 is required.")
-  endif ()
-endif()
diff --git a/src/Bipartite_graphs_matching/test/README b/src/Bipartite_graphs_matching/test/README
deleted file mode 100644
index 0e7b8673..00000000
--- a/src/Bipartite_graphs_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_graphs_matching/test/bottleneck_unit_test.cpp b/src/Bipartite_graphs_matching/test/bottleneck_unit_test.cpp
deleted file mode 100644
index ffe05614..00000000
--- a/src/Bipartite_graphs_matching/test/bottleneck_unit_test.cpp
+++ /dev/null
@@ -1,165 +0,0 @@
-#define BOOST_TEST_MODULE bottleneck test
-
-#include <boost/test/included/unit_test.hpp>
-#include <random>
-#include <gudhi/Graph_matching.h>
-
-using namespace Gudhi::bipartite_graph_matching;
-
-int n1 = 81; // a natural number >0
-int n2 = 180; // a natural number >0
-double upper_bound = 406.43; // any real >0
-
-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::shared_ptr< std::vector<double> > d(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(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(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(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(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);
-    }
-    BOOST_CHECK(bottleneck_distance(v1, v2) <= upper_bound/100.);
-}