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diff --git a/src/Contraction/example/Garland_heckbert/Garland_heckbert_policies.h b/src/Contraction/example/Garland_heckbert/Garland_heckbert_policies.h
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--- a/src/Contraction/example/Garland_heckbert/Garland_heckbert_policies.h
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-/*
- * Garland_heckbert_policies.h
- *  Created on: Feb 10, 2015
- * This file is part of the Gudhi Library. The Gudhi library 
- *    (Geometric Understanding in Higher Dimensions) is a generic C++ 
- *    library for computational topology.
- *
- *    Author(s):       David Salinas
- *
- *    Copyright (C) 2014  INRIA Sophia Antipolis-Méditerranée (France)
- *
- *    This program is free software: you can redistribute it and/or modify
- *    it under the terms of the GNU General Public License as published by
- *    the Free Software Foundation, either version 3 of the License, or
- *    (at your option) any later version.
- *
- *    This program is distributed in the hope that it will be useful,
- *    but WITHOUT ANY WARRANTY; without even the implied warranty of
- *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *    GNU General Public License for more details.
- *
- *    You should have received a copy of the GNU General Public License
- *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
- * 
- */
-
-
-#ifndef GARLAND_HECKBERT_POLICIES_H_
-#define GARLAND_HECKBERT_POLICIES_H_
-
-#include "gudhi/Edge_contraction.h"
-#include "Error_quadric.h"
-
-template<typename EdgeProfile>
-class GH_visitor: public Gudhi::contraction::Contraction_visitor<EdgeProfile> {
-	typedef typename EdgeProfile::Complex Complex;
-	typedef typename Complex::Point Point;
-	Complex& complex_;
-public:
-	GH_visitor(Complex& complex):complex_(complex){}
-
-
-	void on_started(Complex & complex) override{
-		//Compute quadrics for every vertex v
-		//The quadric of v consists in the sum of quadric
-		//of every triangles passing through v weighted by its area
-		for(auto v : complex.vertex_range()){
-			auto & quadric_v(complex[v].quadric);
-			for(auto t : complex.triangle_range(v)){
-				auto t_it = t.begin();
-				const auto& p0(complex.point(*t_it++));
-				const auto& p1(complex.point(*t_it++));
-				const auto& p2(complex.point(*t_it++));
-				quadric_v+=Error_quadric<Point>(p0,p1,p2);
-			}
-		}
-	}
-
-	/**
-	 * @brief Called when an edge is about to be contracted and replaced by a vertex whose position is *placement.
-	 */
-	void on_contracting(EdgeProfile const &profile, boost::optional< Point > placement)
-	override{
-		profile.v0().quadric += profile.v1().quadric;
-	}
-};
-
-
-template<typename EdgeProfile>
-class GH_placement : public Gudhi::contraction::Placement_policy<EdgeProfile>{
-	typedef typename EdgeProfile::Complex Complex;
-	Complex& complex_;
-public:
-	typedef typename EdgeProfile::Point Point;
-	typedef typename Gudhi::contraction::Placement_policy<EdgeProfile>::Placement_type Placement_type;
-
-	GH_placement(Complex& complex):complex_(complex){}
-
-	Placement_type operator()(const EdgeProfile& profile) const override{
-		auto sum_quad(profile.v0().quadric);
-		sum_quad += profile.v1().quadric;
-
-		boost::optional<Point> min_quadric_pt(sum_quad.min_cost());
-		if (min_quadric_pt)
-			return Placement_type(*min_quadric_pt);
-		else
-			return profile.p0();
-	}
-};
-
-template<typename EdgeProfile>
-class GH_cost : public Gudhi::contraction::Cost_policy<EdgeProfile>{
-	typedef typename EdgeProfile::Complex Complex;
-	Complex& complex_;
-public:
-
-	typedef typename Gudhi::contraction::Cost_policy<EdgeProfile>::Cost_type Cost_type;
-	typedef typename Complex::Point Point;
-
-	GH_cost(Complex& complex):complex_(complex){}
-
-	Cost_type operator()( EdgeProfile const& profile, boost::optional<Point> const& new_point ) const override {
-		Cost_type res;
-		if (new_point){
-			auto sum_quad(profile.v0().quadric);
-			sum_quad += profile.v1().quadric;
-			res = sum_quad.cost(*new_point);
-		}
-		return res;
-	}
-};
-
-
-
-#endif /* GARLAND_HECKBERT_POLICIES_H_ */