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-rw-r--r--src/Collapse/include/gudhi/Flag_complex_sparse_matrix.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/Collapse/include/gudhi/Flag_complex_sparse_matrix.h b/src/Collapse/include/gudhi/Flag_complex_sparse_matrix.h
index b1881a66..293b22e6 100644
--- a/src/Collapse/include/gudhi/Flag_complex_sparse_matrix.h
+++ b/src/Collapse/include/gudhi/Flag_complex_sparse_matrix.h
@@ -380,7 +380,7 @@ class Flag_complex_sparse_matrix {
#ifdef GUDHI_USE_TBB
tbb::parallel_sort(f_edge_vector_.begin(), f_edge_vector_.end(), sort_by_filtration);
#else
- std::stable_sort(f_edge_vector_.begin(), f_edge_vector_.end(), sort_by_filtration);
+ std::sort(f_edge_vector_.begin(), f_edge_vector_.end(), sort_by_filtration);
#endif
// Initializing sparse_row_adjacency_matrix_, This is a row-major sparse matrix.