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Diffstat (limited to 'build/Bonmin/include/coin/BonHeuristicDive.hpp')
-rw-r--r-- | build/Bonmin/include/coin/BonHeuristicDive.hpp | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/build/Bonmin/include/coin/BonHeuristicDive.hpp b/build/Bonmin/include/coin/BonHeuristicDive.hpp deleted file mode 100644 index 71039d8..0000000 --- a/build/Bonmin/include/coin/BonHeuristicDive.hpp +++ /dev/null @@ -1,88 +0,0 @@ -// Copyright (C) 2007, International Business Machines Corporation and others. -// All Rights Reserved. -// This code is published under the Eclipse Public License. -// -// Authors : -// Joao P. Goncalves, International Business Machines Corporation -// -// Date : November 12, 2007 - -#ifndef BonHeuristicDive_HPP -#define BonHeuristicDive_HPP -#include "BonOsiTMINLPInterface.hpp" -#include "BonBonminSetup.hpp" -#include "CbcHeuristic.hpp" - -namespace Bonmin -{ - class HeuristicDive : public CbcHeuristic - { - public: - /// Default constructor - HeuristicDive(); - - /// Constructor with setup - HeuristicDive(BonminSetup * setup); - - /// Copy constructor - HeuristicDive(const HeuristicDive ©); - - /// Destructor - ~HeuristicDive() {} - - /// Assignment operator - HeuristicDive & operator=(const HeuristicDive & rhs); - - /// Clone - virtual CbcHeuristic * clone() const = 0; - - /// Resets stuff if model changes - virtual void resetModel(CbcModel * model){ - setModel(model); - } - - /** Change setup used for heuristic.*/ - virtual void setSetup(BonminSetup * setup){ - setup_ = setup; - // Initialize(setup_->options()); - } - - /// Set percentage of integer variables to fix at bounds - void setPercentageToFix(double value) - { percentageToFix_ = value; } - - /// Performs heuristic - virtual int solution(double &solutionValue, double *betterSolution); - - /// sets internal variables - virtual void setInternalVariables(TMINLP2TNLP* minlp) = 0; - - /// Selects the next variable to branch on - /** If bestColumn = -1, it means that no variable was found - */ - virtual void selectVariableToBranch(TMINLP2TNLP* minlp, - const vector<int> & integerColumns, - const double* newSolution, - int& bestColumn, - int& bestRound) = 0; - - protected: - /** Setup to use for local searches (will make copies).*/ - BonminSetup * setup_; - - /// Percentage of integer variables to fix at bounds - double percentageToFix_; - - private: - /// How often to do (code can change) - int howOften_; - - }; - - /// checks if the NLP relaxation of the problem is feasible - bool isNlpFeasible(TMINLP2TNLP* minlp, const double primalTolerance); - - /// Adjusts the primalTolerance in case some of the constraints are violated - void adjustPrimalTolerance(TMINLP2TNLP* minlp, double & primalTolerance); -} -#endif |