00001 // Copyright (C) 2000, International Business Machines 00002 // Corporation and others. All Rights Reserved. 00003 00004 #ifndef CglTreeInfo_H 00005 #define CglTreeInfo_H 00006 00007 #include "OsiCuts.hpp" 00008 #include "OsiSolverInterface.hpp" 00009 #include "CoinHelperFunctions.hpp" 00010 class CglStored; 00013 class CglTreeInfo { 00014 public: 00016 int level; 00019 int pass; 00022 int formulation_rows; 00024 bool inTree; 00034 OsiRowCut ** strengthenRow; 00036 CoinThreadRandom * randomNumberGenerator; 00038 CglTreeInfo (); 00039 00041 CglTreeInfo ( 00042 const CglTreeInfo &); 00044 virtual CglTreeInfo * clone() const; 00045 00047 CglTreeInfo & 00048 operator=( 00049 const CglTreeInfo& rhs); 00050 00052 virtual 00053 ~CglTreeInfo (); 00055 virtual void fixes(int variable, int toValue, int fixedVariable,bool fixedToLower) {} 00057 virtual bool initializeFixing(const OsiSolverInterface * model) {return false;} 00058 00059 }; 00060 00062 typedef struct { 00063 unsigned int oneFixed:1; // nonzero if variable fixed to 1 00064 unsigned int sequence:31; // variable (in matrix) 00065 } fixEntry; 00066 00067 class CglTreeProbingInfo : public CglTreeInfo { 00068 public: 00070 CglTreeProbingInfo (); 00072 CglTreeProbingInfo (const OsiSolverInterface * model); 00073 00075 CglTreeProbingInfo ( 00076 const CglTreeProbingInfo &); 00078 virtual CglTreeInfo * clone() const; 00079 00081 CglTreeProbingInfo & 00082 operator=( 00083 const CglTreeProbingInfo& rhs); 00084 00086 virtual 00087 ~CglTreeProbingInfo (); 00088 OsiSolverInterface * analyze(const OsiSolverInterface & si, int createSolver=0); 00090 virtual void fixes(int variable, int toValue, int fixedVariable,bool fixedToLower); 00092 virtual bool initializeFixing(const OsiSolverInterface * model) ; 00094 inline fixEntry * fixEntries() const 00095 { convert(); return fixEntry_;} 00097 inline int * toZero() const 00098 { convert(); return toZero_;} 00100 inline int * toOne() const 00101 { convert(); return toOne_;} 00103 inline int * integerVariable() const 00104 { return integerVariable_;} 00106 inline int * backward() const 00107 { return backward_;} 00109 inline int numberVariables() const 00110 { return numberVariables_;} 00112 inline int numberIntegers() const 00113 { return numberIntegers_;} 00114 private: 00116 void convert() const; 00117 protected: 00119 mutable fixEntry * fixEntry_; 00121 mutable int * toZero_; 00123 mutable int * toOne_; 00125 int * integerVariable_; 00127 int * backward_; 00129 mutable int * fixingEntry_; 00131 int numberVariables_; 00133 int numberIntegers_; 00135 int maximumEntries_; 00137 mutable int numberEntries_; 00138 }; 00139 00140 #endif
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