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# /home/coin/svn-release/Blis-0.94.1/Blis/examples/VRP/VrpParams.h

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    00001 /*===========================================================================*
    00002  * This file is part of a solver for the Vehicle Routing Problem             *
    00003  * developed using the BiCePS Linear Integer Solver (BLIS).                  *
    00004  *                                                                           *
    00005  * This solver is distributed under the Eclipse Public License as part of    *
    00006  * the COIN-OR repository (http://www.coin-or.org).                          *
    00007  *                                                                           *
    00008  * Authors: Yan Xu, Lehigh University                                        *
    00009  *          Ted Ralphs, Lehigh University                                    *
    00010  *                                                                           *
    00011  * Copyright (C) 2007 Yan Xu and Ted Ralphs.                                 *
    00012  * All Rights Reserved.                                                      *
    00013  *===========================================================================*/
    00014
    00015 #ifndef VrpParams_h
    00016 #define VrpParams_h
    00017
    00018 #include "AlpsKnowledge.h"
    00019 #include "AlpsParameterBase.h"
    00020
    00021 //#############################################################################
    00022
    00023 //** Parameters used in Vrp. */
    00024 class VrpParams : public AlpsParameterSet {
    00025  public:
    00028   enum boolParams{
    00029      doGreedy,
    00030      doExtraInRoot,
    00031      tspProb,
    00032      endOfBoolParams
    00033   };
    00034
    00036   enum intParams{
    00037      numRoutes,
    00038      verbosity,
    00039      greedyNumTrials,
    00040      whichConnectedRoutine,
    00041      maxNumCutsInShrink,
    00042      whichTspCuts,
    00043      endOfIntParams
    00044   };
    00045
    00047   enum dblParams{
    00049       endOfDblParams
    00050   };
    00051
    00053   enum strParams{
    00054       strDummy,
    00055       //
    00056       endOfStrParams
    00057   };
    00058
    00060   enum strArrayParams{
    00061       strArrayDummy,
    00063       endOfStrArrayParams
    00064   };
    00065
    00066  public:
    00072   VrpParams() :
    00073     AlpsParameterSet(
    00074                      static_cast<int>(endOfBoolParams),
    00075                      static_cast<int>(endOfIntParams),
    00076                      static_cast<int>(endOfDblParams),
    00077                      static_cast<int>(endOfStrParams),
    00078                      static_cast<int>(endOfStrArrayParams)
    00079                      )
    00080     {
    00081       createKeywordList();
    00082       setDefaultEntries();
    00083     }
    00088   virtual void createKeywordList();
    00090   virtual void setDefaultEntries();
    00094  public:
    00095   //===========================================================================
    00103   //===========================================================================
    00104
    00105
    00114
    00115   inline bool entry(const boolParams key) const { return bpar_[key]; }
    00117   inline int entry(const intParams key) const { return ipar_[key]; }
    00119   inline double  entry(const dblParams key) const { return dpar_[key]; }
    00121   inline const std::string&
    00122     entry(const strParams key) const { return spar_[key]; }
    00124   inline const std::vector<std::string>&
    00125     entry(const strArrayParams key) const { return sapar_[key]; }
    00128   //---------------------------------------------------------------------------
    00130   void setEntry(const boolParams key, const char * val) {
    00131           bpar_[key] = atoi(val) ? true : false; }
    00133   void setEntry(const boolParams key, const char val) {
    00134           bpar_[key] = val ? true : false; }
    00136   void setEntry(const boolParams key, const bool val) {
    00137     bpar_[key] = val; }
    00139   void setEntry(const intParams key, const char * val) {
    00140     ipar_[key] = atoi(val); }
    00142   void setEntry(const intParams key, const int val) {
    00143     ipar_[key] = val; }
    00145   void setEntry(const dblParams key, const char * val) {
    00146     dpar_[key] = atof(val); }
    00148   void setEntry(const dblParams key, const double val) {
    00149     dpar_[key] = val; }
    00151   void setEntry(const strParams key, const char * val) {
    00152     spar_[key] = val; }
    00154   void setEntry(const strArrayParams key, const char *val) {
    00155     sapar_[key].push_back(val); }
    00156
    00157   //---------------------------------------------------------------------------
    00158
    00163   void pack(AlpsEncoded& buf) {
    00164     buf.writeRep(bpar_, endOfBoolParams)
    00165       .writeRep(ipar_, endOfIntParams)
    00166       .writeRep(dpar_, endOfDblParams);
    00167     for (int i = 0; i < endOfStrParams; ++i)
    00168       buf.writeRep(spar_[i]);
    00169     for (int i = 0; i < endOfStrArrayParams; ++i) {
    00170       buf.writeRep(sapar_[i].size());
    00171       for (size_t j = 0; j < sapar_[i].size(); ++j)
    00172         buf.writeRep(sapar_[i][j]);
    00173     }
    00174   }
    00176   void unpack(AlpsEncoded& buf) {
    00177     int dummy;
    00178     // No need to allocate the arrays, they are of fixed length
    00179     dummy = static_cast<int>(endOfBoolParams);
    00180     buf.readRep(bpar_, dummy, false);
    00181     dummy = static_cast<int>(endOfIntParams);
    00182     buf.readRep(ipar_, dummy, false);
    00183     dummy = static_cast<int>(endOfDblParams);
    00184     buf.readRep(dpar_, dummy, false);
    00185     for (int i = 0; i < endOfStrParams; ++i)
    00186       buf.readRep(spar_[i]);
    00187     for (int i = 0; i < endOfStrArrayParams; ++i) {
    00188       size_t str_size;
    00189       buf.readRep(str_size);
    00190       sapar_[i].reserve(str_size);
    00191       for (size_t j = 0; j < str_size; ++j){
    00192         //      sapar_[i].unchecked_push_back(std::string());
    00193         sapar_[i].push_back(std::string());
    00194         buf.readRep(sapar_[i].back());
    00195       }
    00196     }
    00197   }
    00200 };
    00201
    00202 #endif