diff --git a/vcg/space/fitting3.h b/vcg/space/fitting3.h
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+/****************************************************************************
+* VCGLib                                                            o o     *
+* Visual and Computer Graphics Library                            o     o   *
+*                                                                _   O  _   *
+* Copyright(C) 2004                                                \/)\/    *
+* Visual Computing Lab                                            /\/|      *
+* ISTI - Italian National Research Council                           |      *
+*                                                                    \      *
+* All rights reserved.                                                      *
+*                                                                           *
+* 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 2 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 (http://www.gnu.org/licenses/gpl.txt)          *
+* for more details.                                                         *
+*                                                                           *
+****************************************************************************/
+/****************************************************************************
+  History
+
+$Log: not supported by cvs2svn $
+
+****************************************************************************/
+
+#ifndef __VCGLIB_FITTING3
+#define __VCGLIB_FITTING3
+
+#include <vector>
+#include <vcg/space/plane3.h>
+
+
+namespace vcg {
+
+	// Funzione di supporto: Ritorna il vettore 1 x y z
+template<class S>
+inline double FIT_VExp( const Point3<S> & x, const int i )
+{
+	assert(i>=0);
+	assert(i<4);
+	if(i==0) return 1;
+	else     return x[i-1];
+}
+
+	/** Fitting di piani: trova il piano che meglio approssima
+	    l'insieme di punti dato
+	 */
+template<class POINT_TYPE, class PLANE_TYPE>
+bool PlaneFittingPoints( const std::vector< POINT_TYPE > & samples, Plane3<typename POINT_TYPE::ScalarType> & p )
+{
+	typedef typename POINT_TYPE::ScalarType S;
+	const int N = 4;
+
+	S P[N][N];		// A = s' . s
+	S U[N][N];
+	int i,j,k,n;
+
+	n = samples.size();
+	if(n<3)
+		return false;
+
+	for(i=0;i<N;++i)
+	{
+		for(j=i;j<N;++j)
+		{
+			P[i][j] = 0;
+			for(k=0;k<n;++k)
+				P[i][j] += FIT_VExp(samples[k],i) * FIT_VExp(samples[k],j);
+		}
+		for(j=0;j<i;++j)
+			P[i][j] = P[j][i];
+	}
+	
+	for(i=0;i<N;++i)
+	{
+		U[i][i] = 1.0;
+		for(j=0;j<i;++j)
+			U[i][j] = 0.0;
+		for(j=i+1;j<N;++j)
+		{
+			if(P[i][i]==0.0)
+				return false;
+
+			U[i][j] = P[i][j]/P[i][i];
+			for(k=j;k<N;++k)
+				P[j][k] -= U[i][j]*P[i][k];
+		}
+	}
+
+	p.SetDirection(Point3<S>(U[1][2]*U[2][3]-U[1][3],-U[2][3],1));
+	p.SetOffset(-(U[0][2]*U[2][3]-U[0][3]+U[0][1]*U[1][3]-U[0][1]*U[1][2]*U[2][3]));
+	return true;
+}
+
+} // end namespace
+
+#endif
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