remove unused file

include/Algo/Decimation/basic.h

-/*******************************************************************************
-* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps  *
-* version 0.1                                                                  *
-* Copyright (C) 2009-2012, IGG Team, LSIIT, University of Strasbourg           *
-*                                                                              *
-* This library is free software; you can redistribute it and/or modify it      *
-* under the terms of the GNU Lesser General Public License as published by the *
-* Free Software Foundation; either version 2.1 of the License, or (at your     *
-* option) any later version.                                                   *
-*                                                                              *
-* This library 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 Lesser General Public License  *
-* for more details.                                                            *
-*                                                                              *
-* You should have received a copy of the GNU Lesser General Public License     *
-* along with this library; if not, write to the Free Software Foundation,      *
-* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.           *
-*                                                                              *
-* Web site: http://cgogn.unistra.fr/                                           *
-* Contact information: cgogn@unistra.fr                                        *
-*                                                                              *
-*******************************************************************************/
-
-#ifndef __DECIMATION_BASIC_H_
-#define __DECIMATION_BASIC_H_
-
-namespace CGoGN
-{
-
-namespace Algo
-{
-
-namespace Decimation
-{
-
-template <typename PFP>
-bool edgeCanCollapse(typename PFP::MAP& map, Dart d, AttributeHandler<unsigned int>& valences)
-{
-	Dart dd = map.phi2(d);
-	Dart dp = map.phi_1(d);
-	Dart ddp = map.phi_1(dd);
-
-	// Check valency conditions
-
-	unsigned int val_vd = valences[d];
-	unsigned int val_vdd = valences[dd];
-	unsigned int val_vd1 = valences[dp];
-	unsigned int val_vdd1 = valences[ddp];
-
-	if(val_vd + val_vdd < 8 || val_vd + val_vdd > 11 || val_vd1  < 5 || val_vdd1 < 5)
-		return false;
-
-	// Check vertex sharing condition
-
-	unsigned int vu1[32]; // pas de vector mais un tableau (find a la main, mais pas d'allocation par reserve)
-	val_vd -= 3; // evite le -3 dans la boucle
-	val_vdd -= 3;
-	Dart vit1 = map.phi2_1(map.phi2_1(d));
-
-	for (unsigned int i = 0; i< val_vd; ++i)
-	{
-		unsigned int ve = map.getEmbedding(map.phi2(vit1),VERTEX);
-		vu1[i] = ve;
-		vit1 = map.phi2_1(vit1);
-	}
-
-	val_vd--; // pour le parcours avec while >=0
-
-	Dart vit2 = map.phi2_1(map.phi2_1(dd));
-	for (unsigned int i = 0; i< val_vdd; ++i)
-	{
-		unsigned int ve = map.getEmbedding(map.phi2(vit2),VERTEX);
-
-		int j = val_vd;
-		while ( j>=0)
-		{
-			if (vu1[j] == ve)
-				return false;
-			--j;
-		}
-		vit2 = map.phi2_1(vit2);
-	}
-
-	return true;
-}
-
-template <typename PFP>
-bool edgeCanCollapse(typename PFP::MAP& map, Dart d)
-{
-	Dart dd = map.phi2(d);
-	Dart dp = map.phi_1(d);
-	Dart ddp = map.phi_1(dd);
-
-	// Check valency conditions
-
-	int val_vd = 0 ;
-	Dart tmp = d ;
-	do { ++val_vd ;	tmp = map.phi2_1(tmp) ; } while(tmp != d) ;
-	int val_vdd = 0 ;
-	tmp = dd ;
-	do { ++val_vdd ; tmp = map.phi2_1(tmp) ; } while(tmp != dd) ;
-	int val_vdp = 0 ;
-	tmp = dp ;
-	do { ++val_vdp ; tmp = map.phi2_1(tmp) ; } while(tmp != dp) ;
-	int val_vddp = 0 ;
-	tmp = ddp ;
-	do { ++val_vddp ; tmp = map.phi2_1(tmp) ; } while(tmp != ddp) ;
-
-	if(val_vd + val_vdd < 8 || val_vd + val_vdd > 11 || val_vdp < 5 || val_vddp < 5)
-		return false;
-
-	// Check vertex sharing condition
-
-	unsigned int vu1[32]; // pas de vector mais un tableau (find a la main, mais pas d'allocation par reserve)
-	val_vd -= 3; // evite le -3 dans la boucle
-	val_vdd -= 3;
-	Dart vit1 = map.phi2_1(map.phi2_1(d));
-
-	for (int i = 0; i < val_vd; ++i)
-	{
-		unsigned int ve = map.getEmbedding(map.phi2(vit1),VERTEX);
-		vu1[i] = ve;
-		vit1 = map.phi2_1(vit1);
-	}
-
-	val_vd--; // pour le parcours avec while >=0
-
-	Dart vit2 = map.phi2_1(map.phi2_1(dd));
-	for (int i = 0; i < val_vdd; ++i)
-	{
-		unsigned int ve = map.getEmbedding(map.phi2(vit2),VERTEX);
-
-		int j = val_vd;
-		while (j >= 0)
-		{
-			if (vu1[j] == ve)
-				return false;
-			--j;
-		}
-		vit2 = map.phi2_1(vit2);
-	}
-
-	return true;
-}
-
-} // namespace Decimation
-
-} // namespace Algo
-
-} // namespace CGoGN
-
-#endif