00001 // Copyright (C) 2006, International Business Machines 00002 // Corporation and others. All Rights Reserved. 00003 #ifndef OsiAuxInfo_H 00004 #define OsiAuxInfo_H 00005 00006 class OsiSolverInterface; 00007 00008 //############################################################################# 00019 class OsiAuxInfo { 00020 public: 00021 // Default Constructor 00022 OsiAuxInfo (void * appData = NULL); 00023 00024 // Copy Constructor 00025 OsiAuxInfo (const OsiAuxInfo & rhs); 00026 // Destructor 00027 virtual ~OsiAuxInfo(); 00028 00030 virtual OsiAuxInfo * clone() const; 00032 OsiAuxInfo & operator=(const OsiAuxInfo& rhs); 00033 00035 inline void * getApplicationData() const 00036 { return appData_;} 00037 protected: 00039 void * appData_; 00040 }; 00041 //############################################################################# 00047 class OsiBabSolver : public OsiAuxInfo { 00048 public: 00049 // Default Constructor 00050 OsiBabSolver (int solverType=0); 00051 00052 // Copy Constructor 00053 OsiBabSolver (const OsiBabSolver & rhs); 00054 // Destructor 00055 virtual ~OsiBabSolver(); 00056 00058 virtual OsiAuxInfo * clone() const; 00060 OsiBabSolver & operator=(const OsiBabSolver& rhs); 00061 00063 inline void setSolver(const OsiSolverInterface * solver) 00064 { solver_ = solver;} 00066 inline void setSolver(const OsiSolverInterface & solver) 00067 { solver_ = &solver;} 00068 00074 int solution(double & objectiveValue, 00075 double * newSolution, int numberColumns); 00079 void setSolution(const double * solution, int numberColumns, double objectiveValue); 00080 00086 bool hasSolution(double & solutionValue, double * solution); 00087 00100 inline void setSolverType(int value) 00101 { solverType_=value;} 00114 inline int solverType() const 00115 { return solverType_;} 00118 inline bool solutionAddsCuts() const 00119 { return solverType_==3;} 00121 inline bool alwaysTryCutsAtRootNode() const 00122 { return solverType_==4;} 00125 inline bool solverAccurate() const 00126 { return solverType_==0||solverType_==2||solverType_==4;} 00128 inline bool reducedCostsAccurate() const 00129 { return solverType_==0||solverType_==4;} 00131 double mipBound() const; 00133 bool mipFeasible() const; 00135 inline void setMipBound(double value) 00136 { mipBound_ = value;} 00138 inline double bestObjectiveValue() const 00139 { return bestObjectiveValue_;} 00141 inline bool tryCuts() const 00142 { return solverType_!=2;} 00144 inline bool warmStart() const 00145 { return solverType_!=2;} 00150 inline int extraCharacteristics() const 00151 { return extraCharacteristics_;} 00156 inline void setExtraCharacteristics(int value) 00157 { extraCharacteristics_=value;} 00159 inline const double * beforeLower() const 00160 { return beforeLower_;} 00162 inline void setBeforeLower(const double * array) 00163 { beforeLower_ = array;} 00165 inline const double * beforeUpper() const 00166 { return beforeUpper_;} 00168 inline void setBeforeUpper(const double * array) 00169 { beforeUpper_ = array;} 00170 protected: 00172 double bestObjectiveValue_; 00174 double mipBound_; 00176 const OsiSolverInterface * solver_; 00178 double * bestSolution_; 00180 const double * beforeLower_; 00182 const double * beforeUpper_; 00194 int solverType_; 00196 int sizeSolution_; 00201 int extraCharacteristics_; 00202 }; 00203 00204 #endif
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