Merge pull request #436 from VincentRouvreau/ci_without_cgal

Add build and tests wo cgal and eigen and wo cgal

1 files changed, 6 insertions, 0 deletions

diff --git a/src/python/include/Simplex_tree_interface.h b/src/python/include/Simplex_tree_interface.h
index baff3850..629f6083 100644
--- a/src/python/include/Simplex_tree_interface.h
+++ b/src/python/include/Simplex_tree_interface.h
@@ -15,7 +15,9 @@
 #include <gudhi/distance_functions.h>
 #include <gudhi/Simplex_tree.h>
 #include <gudhi/Points_off_io.h>
+#ifdef GUDHI_USE_EIGEN3
 #include <gudhi/Flag_complex_edge_collapser.h>
+#endif
 
 #include <iostream>
 #include <vector>
@@ -162,6 +164,7 @@ class Simplex_tree_interface : public Simplex_tree<SimplexTreeOptions> {
   }
 
   Simplex_tree_interface* collapse_edges(int nb_collapse_iteration) {
+#ifdef GUDHI_USE_EIGEN3
     using Filtered_edge = std::tuple<Vertex_handle, Vertex_handle, Filtration_value>;
     std::vector<Filtered_edge> edges;
     for (Simplex_handle sh : Base::skeleton_simplex_range(1)) {
@@ -187,6 +190,9 @@ class Simplex_tree_interface : public Simplex_tree<SimplexTreeOptions> {
       collapsed_stree_ptr->insert({std::get<0>(remaining_edge), std::get<1>(remaining_edge)}, std::get<2>(remaining_edge));
     }
     return collapsed_stree_ptr;
+#else
+    throw std::runtime_error("Unable to collapse edges as it requires Eigen3 >= 3.1.0.");
+#endif
   }
 
   // Iterator over the simplex tree