From d19d6de6de4ef0319a1ec29671e5bb89b23415b7 Mon Sep 17 00:00:00 2001
From: ROUVREAU Vincent <vincent.rouvreau@inria.fr>
Date: Fri, 26 Jun 2020 19:13:55 +0200
Subject: free functions for utils

---
 .../distance_matrix_edge_collapse_rips_persistence.cpp       | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

(limited to 'src/Collapse/utilities/distance_matrix_edge_collapse_rips_persistence.cpp')

diff --git a/src/Collapse/utilities/distance_matrix_edge_collapse_rips_persistence.cpp b/src/Collapse/utilities/distance_matrix_edge_collapse_rips_persistence.cpp
index 5800e9e8..11ee5871 100644
--- a/src/Collapse/utilities/distance_matrix_edge_collapse_rips_persistence.cpp
+++ b/src/Collapse/utilities/distance_matrix_edge_collapse_rips_persistence.cpp
@@ -21,9 +21,8 @@ using Simplex_tree = Gudhi::Simplex_tree<Gudhi::Simplex_tree_options_fast_persis
 using Filtration_value = Simplex_tree::Filtration_value;
 using Vertex_handle = Simplex_tree::Vertex_handle;
 
-using Flag_complex_edge_collapser = Gudhi::collapse::Flag_complex_edge_collapser<Vertex_handle, Filtration_value>;
-using Filtered_edge = Flag_complex_edge_collapser::Filtered_edge;
-using Proximity_graph = Gudhi::Proximity_graph<Flag_complex_edge_collapser>;
+using Filtered_edge = std::tuple<Vertex_handle, Vertex_handle, Filtration_value>;
+using Proximity_graph = Gudhi::Proximity_graph<Simplex_tree>;
 
 using Field_Zp = Gudhi::persistent_cohomology::Field_Zp;
 using Persistent_cohomology = Gudhi::persistent_cohomology::Persistent_cohomology<Simplex_tree, Field_Zp>;
@@ -63,12 +62,7 @@ int main(int argc, char* argv[]) {
   std::vector<Filtered_edge> edges_list(edges_from_graph.begin(), edges_from_graph.end());
   std::vector<Filtered_edge> remaining_edges;
   for (int iter = 0; iter < edge_collapse_iter_nb; iter++) {
-    Flag_complex_edge_collapser edge_collapser(edges_list);
-    edge_collapser.process_edges(
-      [&remaining_edges](Vertex_handle u, Vertex_handle v, Filtration_value filtration) {
-          // insert the edge
-          remaining_edges.emplace_back(u, v, filtration);
-        });
+    auto remaining_edges = Gudhi::collapse::flag_complex_collapse_edges(edges_list);
     edges_list = std::move(remaining_edges);
     remaining_edges.clear();
   }
-- 
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