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-rw-r--r--src/Persistence_representations/example/persistence_heat_maps.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/Persistence_representations/example/persistence_heat_maps.cpp b/src/Persistence_representations/example/persistence_heat_maps.cpp
index 5e3be880..a9ac5df5 100644
--- a/src/Persistence_representations/example/persistence_heat_maps.cpp
+++ b/src/Persistence_representations/example/persistence_heat_maps.cpp
@@ -25,6 +25,7 @@
#include <iostream>
#include <vector>
+#include <utility>
using namespace Gudhi;
using namespace Gudhi::Persistence_representations;