graph_tclique.h

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*                                                                           */
/*                  This file is part of the program                         */
/*          GCG --- Generic Column Generation                                */
/*                  a Dantzig-Wolfe decomposition based extension            */
/*                  of the branch-cut-and-price framework                    */
/*         SCIP --- Solving Constraint Integer Programs                      */
/*                                                                           */
/* Copyright (C) 2010-2021 Operations Research, RWTH Aachen University       */
/*                         Zuse Institute Berlin (ZIB)                       */
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/* This program is free software; you can redistribute it and/or             */
/* modify it under the terms of the GNU Lesser General Public License        */
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/* GNU Lesser General Public License for more details.                       */
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/**@file   graph_tclique.h
 * @brief  interface to the SCIP tclique graph library
 * @author Annika Thome
 * @author Martin Bergner
 */
 
/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
 
#ifndef GCG_GRAPH_TCLIQUE_H_
#define GCG_GRAPH_TCLIQUE_H_
 
#include "bridge.h"
#include "tclique/tclique.h"
 
namespace gcg {
 
class GraphTclique: public gcg::Bridge
{
private:
   TCLIQUE_GRAPH* graph;
 
public:
 
   GraphTclique();
 
   virtual ~GraphTclique();
   virtual SCIP_RETCODE addNNodes(int _n_nodes);
   virtual SCIP_RETCODE addNNodes(int _n_nodes, std::vector<int> weights);
   virtual int getNNodes();
   virtual int getNEdges();
   virtual SCIP_RETCODE getEdges(std::vector<void*>& edges);
   virtual SCIP_Bool isEdge(int i, int j);
   virtual int getNNeighbors(int i);
   virtual std::vector<int> getNeighbors(int i);
   virtual SCIP_RETCODE addNode(int i, int weight);
   virtual SCIP_RETCODE addNode();
   virtual SCIP_RETCODE deleteNode(int i);
   virtual SCIP_RETCODE addEdge(int i, int j);
   virtual SCIP_RETCODE addEdge(int i, int j, double weight);
   virtual SCIP_RETCODE setEdge(int i, int j, double weight);
   virtual double getEdgeWeight(int i, int j);
   virtual std::vector<std::pair<int, double> > getNeighborWeights(int i);
   virtual SCIP_RETCODE deleteEdge(int i, int j);
   virtual int graphGetWeights(int i);
 
   virtual SCIP_RETCODE flush();
   virtual SCIP_RETCODE normalize();
   virtual double getEdgeWeightPercentile(double q);
 
#ifdef WITH_GSL
   void expand(int factor) {return;}
   void inflate(double factor) {return;}
   void colL1Norm() {return;}
   void prune() {return;}
   bool stopMCL(int iter) {return true;}
   std::vector<int> getClustersMCL() {return std::vector<int>();}
   virtual void initMCL() {return;}
   virtual void clearMCL() {return;}
#endif
};
 
} /* namespace gcg */
#endif /* GCG_GRAPH_TCLIQUE_H_ */