GAP_DecompApp.h

Go to the documentation of this file.

//===========================================================================//
// This file is part of the Decomp Solver Framework.                         //
//                                                                           //
// Decomp is distributed under the Common Public License as part of the      //
// COIN-OR repository (http://www.coin-or.org).                              //
//                                                                           //
// Authors: Matthew Galati, SAS Institute Inc. (matthew.galati@sas.com)      //
//          Ted Ralphs, Lehigh University (ted@lehigh.edu)                   //
//          Jiadong Wang, Lehigh University (jiw408@lehigh.edu)              //
//                                                                           //
// Copyright (C) 2002-2019 Lehigh University, Matthew Galati, and Ted Ralphs //
// All Rights Reserved.                                                      //
//===========================================================================//

#ifndef GAP_DECOMPAPP_INCLUDED
#define GAP_DECOMPAPP_INCLUDED

// --------------------------------------------------------------------- //
#include "DecompApp.h"

// --------------------------------------------------------------------- //
#include "GAP_Instance.h"
#include "GAP_KnapPisinger.h"
#include "GAP_DecompParam.h"

// --------------------------------------------------------------------- //
// --------------------------------------------------------------------- //
class GAP_DecompApp : public DecompApp {
private:
   const string m_classTag;

   GAP_Instance m_instance;

   GAP_DecompParam m_appParam;

   vector<GAP_KnapPisinger*> m_knap;

   double* m_objective;

   map<string, DecompConstraintSet*> m_models;


public:
   /* @name Inherited (from virtual) methods. */
   DecompSolverStatus solveRelaxed(const int             whichBlock,
                                   const double*         redCostX,
                   const double          target,
                                   list<DecompVar*>&     vars);

   void printOriginalColumn(const int   index,
                            ostream*    os = &cout) const;

public:
   void initializeApp();

   inline const int getOffsetI(const int i) const {
      return i * m_instance.getNTasks();
   }
   inline const int getIndexIJ(const int i,
                               const int j) const {
      return (i * m_instance.getNTasks()) + j;
   }

   inline pair<int, int> getIndexInv(const int index) const {
      return make_pair(index / m_instance.getNTasks(),
                       index % m_instance.getNTasks());
   }

   int createModels();
   int createModelPartAP(DecompConstraintSet* model);

public:
   inline const GAP_Instance& getInstance() const {
      return m_instance;
   }
   inline const GAP_DecompParam& getParam() const {
      return m_appParam;
   }
   inline const double* getObjective() const {
      return m_objective;
   }
   inline DecompConstraintSet* getModel(string modelName) const {
      map<string, DecompConstraintSet*>::const_iterator it;
      it = m_models.find(modelName);

      if (it == m_models.end()) {
         cout << "Error: model with name " << modelName << " not defined."
              << endl;
         assert(it != m_models.end());
         return NULL;
      }

      return it->second;
   }


public:
   GAP_DecompApp(UtilParameters& utilParam) :
      DecompApp   (utilParam),
      m_classTag  ("GAP-APP"),
      m_objective (NULL)
   {
      m_appParam.getSettings(utilParam);
      
      if (m_appParam.LogLevel >= 1) {
     m_appParam.dumpSettings();
      }

      initializeApp();
   }

   virtual ~GAP_DecompApp() {
      UtilDeleteVectorPtr(m_knap);
      //UTIL_DELARR(m_objective);
      UtilDeleteMapPtr(m_models);
   };
};

#endif