From 91b0ff839b8058d3f5767e6ed80b93c23be2c98a Mon Sep 17 00:00:00 2001
From: Hind-M <hind.montassif@gmail.com>
Date: Mon, 9 Aug 2021 16:21:24 +0200
Subject: First version of cech enhancement

---
 src/Cech_complex/include/gudhi/Cech_complex.h | 26 +++++++++++++++++---------
 1 file changed, 17 insertions(+), 9 deletions(-)

(limited to 'src/Cech_complex/include/gudhi/Cech_complex.h')

diff --git a/src/Cech_complex/include/gudhi/Cech_complex.h b/src/Cech_complex/include/gudhi/Cech_complex.h
index b0871e10..2c6f202a 100644
--- a/src/Cech_complex/include/gudhi/Cech_complex.h
+++ b/src/Cech_complex/include/gudhi/Cech_complex.h
@@ -40,7 +40,7 @@ namespace cech_complex {
  * \tparam ForwardPointRange must be a range for which `std::begin()` and `std::end()` methods return input
  * iterators on a point. `std::begin()` and `std::end()` methods are also required for a point.
  */
-template <typename SimplicialComplexForProximityGraph, typename ForwardPointRange>
+template <typename SimplicialComplexForProximityGraph, typename ForwardPointRange, typename Kernel>
 class Cech_complex {
  private:
   // Required by compute_proximity_graph
@@ -49,14 +49,15 @@ class Cech_complex {
   using Proximity_graph = Gudhi::Proximity_graph<SimplicialComplexForProximityGraph>;
 
   // Retrieve Coordinate type from ForwardPointRange
-  using Point_from_range_iterator = typename boost::range_const_iterator<ForwardPointRange>::type;
-  using Point_from_range = typename std::iterator_traits<Point_from_range_iterator>::value_type;
-  using Coordinate_iterator = typename boost::range_const_iterator<Point_from_range>::type;
-  using Coordinate = typename std::iterator_traits<Coordinate_iterator>::value_type;
+//   using Point_from_range_iterator = typename boost::range_const_iterator<ForwardPointRange>::type;
+//   using Point_from_range = typename std::iterator_traits<Point_from_range_iterator>::value_type;
+//   using Coordinate_iterator = typename boost::range_const_iterator<Point_from_range>::type;
+//   using Coordinate = typename std::iterator_traits<Coordinate_iterator>::value_type;
 
  public:
   // Point and Point_cloud type definition
-  using Point = std::vector<Coordinate>;
+  //using Point = std::vector<Coordinate>;
+  using Point = typename Kernel::Point_d;
   using Point_cloud = std::vector<Point>;
 
  public:
@@ -70,9 +71,13 @@ class Cech_complex {
    */
   Cech_complex(const ForwardPointRange& points, Filtration_value max_radius) : max_radius_(max_radius) {
     // Point cloud deep copy
-    point_cloud_.reserve(boost::size(points));
-    for (auto&& point : points) point_cloud_.emplace_back(std::begin(point), std::end(point));
 
+//     point_cloud_.reserve(boost::size(points));
+//     for (auto&& point : points) point_cloud_.emplace_back(point.cartesian_begin(), point.cartesian_end());
+
+    point_cloud_.assign(points.begin(), points.end());
+
+    std::clog << "Hind: Just before the graph compute" << std::endl;
     cech_skeleton_graph_ = Gudhi::compute_proximity_graph<SimplicialComplexForProximityGraph>(
         point_cloud_, max_radius_, Gudhi::Minimal_enclosing_ball_radius());
   }
@@ -87,14 +92,17 @@ class Cech_complex {
    */
   template <typename SimplicialComplexForCechComplex>
   void create_complex(SimplicialComplexForCechComplex& complex, int dim_max) {
+    std::clog << "Hind: in create complex" << std::endl;
     GUDHI_CHECK(complex.num_vertices() == 0,
                 std::invalid_argument("Cech_complex::create_complex - simplicial complex is not empty"));
 
     // insert the proximity graph in the simplicial complex
+    std::clog << "Hind: before insert_graph" << std::endl;
     complex.insert_graph(cech_skeleton_graph_);
     // expand the graph until dimension dim_max
+    std::clog << "Hind: before expansion_with_blockers" << std::endl;
     complex.expansion_with_blockers(dim_max,
-                                    Cech_blocker<SimplicialComplexForCechComplex, Cech_complex>(&complex, this));
+                                    Cech_blocker<SimplicialComplexForCechComplex, Cech_complex, Kernel>(&complex, this));
   }
 
   /** @return max_radius value given at construction. */
-- 
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