Bonmin
1.7
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00001 // Copyright (C) 2007, International Business Machines Corporation and others. 00002 // All Rights Reserved. 00003 // This code is published under the Common Public License. 00004 // 00005 // Authors : 00006 // Joao P. Goncalves, International Business Machines Corporation 00007 // 00008 // Date : November 12, 2007 00009 00010 #ifndef BonHeuristicDiveMIPFractional_H 00011 #define BonHeuristicDiveMIPFractional_H 00012 00013 #include "BonBonminSetup.hpp" 00014 #include "BonHeuristicDiveMIP.hpp" 00015 00019 namespace Bonmin 00020 { 00021 class HeuristicDiveMIPFractional : public HeuristicDiveMIP { 00022 public: 00024 HeuristicDiveMIPFractional (); 00025 00027 HeuristicDiveMIPFractional(BonminSetup * setup); 00028 00030 HeuristicDiveMIPFractional(const HeuristicDiveMIPFractional ©); 00031 00033 ~HeuristicDiveMIPFractional() {} 00034 00036 HeuristicDiveMIPFractional & operator=(const HeuristicDiveMIPFractional & rhs); 00037 00039 virtual CbcHeuristic * clone() const; 00040 00042 virtual void setSetup(BonminSetup * setup){ 00043 HeuristicDiveMIP::setSetup(setup); 00044 Initialize(setup->options()); 00045 } 00046 00048 virtual void setInternalVariables(TMINLP2TNLP* minlp); 00049 00051 00053 virtual void selectVariableToBranch(TMINLP2TNLP* minlp, 00054 const vector<int> & integerColumns, 00055 const double* newSolution, 00056 int& bestColumn, 00057 int& bestRound); 00058 00060 static void registerOptions(Ipopt::SmartPtr<Bonmin::RegisteredOptions> roptions); 00061 00063 void Initialize(Ipopt::SmartPtr<Ipopt::OptionsList> options); 00064 00065 }; 00066 } 00067 #endif