1 files changed, 39 insertions, 0 deletions
diff --git a/src/Contraction/include/gudhi/Contraction/policies/First_vertex_placement.h b/src/Contraction/include/gudhi/Contraction/policies/First_vertex_placement.h
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index 00000000..cad87e3e
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+++ b/src/Contraction/include/gudhi/Contraction/policies/First_vertex_placement.h
@@ -0,0 +1,39 @@
+/*
+ * First_vertex_placement.h
+ *
+ *  Created on: Feb 20, 2014 
+ *      Author: David Salinas
+ *  Copyright 2013 INRIA. All rights reserved
+ */
+
+#ifndef GUDHI_FIRST_VERTEX_PLACEMENT_H_
+#define GUDHI_FIRST_VERTEX_PLACEMENT_H_
+
+#include "Placement_policy.h"
+
+namespace Gudhi{
+
+namespace contraction {
+
+
+/**
+ * @brief Places the contracted point onto the first point of the edge
+ */
+template< typename EdgeProfile> class First_vertex_placement : public Placement_policy<EdgeProfile>{
+
+public:
+	typedef typename EdgeProfile::Point Point;
+	typedef typename EdgeProfile::Edge_handle Edge_handle;
+
+	typedef typename Placement_policy<EdgeProfile>::Placement_type Placement_type;
+
+	Placement_type operator()(const EdgeProfile& profile) const override{
+		return Placement_type(profile.p0());
+	}
+};
+}  // namespace contraction
+
+}  // namespace GUDHI
+
+
+#endif /* GUDHI_FIRST_VERTEX_PLACEMENT_H_ */