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authorHarpreet2016-08-04 15:25:44 +0530
committerHarpreet2016-08-04 15:25:44 +0530
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+// (C) Copyright Carnegie Mellon University 2005
+// All Rights Reserved.
+// This code is published under the Eclipse Public License.
+//
+// Authors :
+// P. Bonami, Carnegie Mellon University
+//
+// Date : 05/26/2005
+
+
+#ifndef BonOACutGenerator2_HPP
+#define BonOACutGenerator2_HPP
+#include "BonOaDecBase.hpp"
+
+namespace Bonmin
+{
+ /** Class to perform OA in its classical form.*/
+ class OACutGenerator2 : public OaDecompositionBase
+ {
+ public:
+ /// Constructor with basic setup
+ OACutGenerator2(BabSetupBase & b);
+
+ /// Copy constructor
+ OACutGenerator2(const OACutGenerator2 &copy)
+ :
+ OaDecompositionBase(copy),
+ subMip_(new SubMipSolver (*copy.subMip_))
+ {}
+ /// Destructor
+ ~OACutGenerator2();
+
+ void setStrategy(const CbcStrategy & strategy)
+ {
+ parameters_.setStrategy(strategy);
+ }
+
+ virtual CglCutGenerator * clone() const
+ {
+ return new OACutGenerator2(*this);
+ }
+ /** Register OA options.*/
+ static void registerOptions(Ipopt::SmartPtr<Bonmin::RegisteredOptions> roptions);
+
+ protected:
+ /// virtual method which performs the OA algorithm by modifying lp and nlp.
+ virtual double performOa(OsiCuts & cs, solverManip &lpManip,
+ BabInfo * babInfo, double &cutoff, const CglTreeInfo & info) const;
+ /// virutal method to decide if local search is performed
+ virtual bool doLocalSearch(BabInfo * babInfo) const;
+
+ private:
+ SubMipSolver * subMip_;
+ };
+}
+#endif