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+// 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 BonHeuristicFPump_HPP
+#define BonHeuristicFPump_HPP
+#include "BonOsiTMINLPInterface.hpp"
+#include "BonBonminSetup.hpp"
+#include "CbcHeuristic.hpp"
+
+namespace Bonmin
+{
+ class HeuristicFPump : public CbcHeuristic
+ {
+ public:
+ /// Default constructor
+ HeuristicFPump();
+
+ /// Constructor with setup
+ HeuristicFPump(BonminSetup * setup);
+
+ /// Copy constructor
+ HeuristicFPump(const HeuristicFPump &copy);
+
+ /// Destructor
+ ~HeuristicFPump() {}
+
+ /// Assignment operator
+ HeuristicFPump & operator=(const HeuristicFPump & rhs);
+
+ /** Virtual constructor.*/
+ virtual CbcHeuristic * clone() const{
+ return new HeuristicFPump(*this);
+ }
+
+ /// Resets stuff if model changes
+ virtual void resetModel(CbcModel * model){
+ setModel(model);
+ }
+
+ /** Change setup used for heuristic.*/
+ void setSetup(BonminSetup * setup){
+ setup_ = setup;
+ Initialize(setup_->options());
+ }
+
+ /// Performs heuristic
+ virtual int solution(double &solutionValue, double *betterSolution);
+
+ /// Performs heuristic with add cust
+ virtual int solution(double &solutionValue, double *betterSolution, OsiCuts & cs)
+ {
+ return solution(solutionValue, betterSolution);
+ }
+
+ /** Register the options for this heuristic */
+ static void registerOptions(Ipopt::SmartPtr<Bonmin::RegisteredOptions> roptions);
+
+ /** Initiaize using passed options.*/
+ void Initialize(Ipopt::SmartPtr<Ipopt::OptionsList> options);
+
+ private:
+ /** Setup to use for local searches (will make copies).*/
+ BonminSetup * setup_;
+
+ /** Norm of the objective function - either 1 or 2 */
+ int objective_norm_;
+
+ /// To enable advanced unstable stuff
+ int enableAdvanced_;
+ };
+
+ class RoundingFPump
+ {
+ public:
+ /// Default constructor
+ RoundingFPump(TMINLP2TNLP* minlp);
+
+ /// Destructor
+ ~RoundingFPump();
+
+ /// Rounds the solution
+ void round(const double integerTolerance,
+ const double primalTolerance,
+ double* solution);
+
+ private:
+ /// gutsOfConstructor
+ void gutsOfConstructor();
+
+ /// Pointer to problem
+ TMINLP2TNLP* minlp_;
+
+ /// Number of rows
+ int numberRows_;
+
+ /// Number of columns
+ int numberColumns_;
+
+ /// Jacobian of g
+ std::vector<std::pair<int, int> >* col_and_jac_g_;
+
+ };
+
+}
+#endif