cbcintlinprog added

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diff --git a/thirdparty/linux/include/coin/BonHeuristicDiveMIPVectorLength.hpp b/thirdparty/linux/include/coin/BonHeuristicDiveMIPVectorLength.hpp
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+++ b/thirdparty/linux/include/coin/BonHeuristicDiveMIPVectorLength.hpp
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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 BonHeuristicDiveMIPVectorLength_H
+#define BonHeuristicDiveMIPVectorLength_H
+
+#include "BonBonminSetup.hpp"
+#include "BonHeuristicDiveMIP.hpp"
+
+/** DiveMIPVectorLength class
+ */
+
+namespace Bonmin
+{
+  class HeuristicDiveMIPVectorLength : public HeuristicDiveMIP {
+  public:
+    /// Default Constructor 
+    HeuristicDiveMIPVectorLength ();
+
+    /// Constructor with setup
+    HeuristicDiveMIPVectorLength(BonminSetup * setup);
+
+    /// Copy constructor
+    HeuristicDiveMIPVectorLength(const HeuristicDiveMIPVectorLength &copy);
+
+    /// Destructor
+    ~HeuristicDiveMIPVectorLength() 
+    {
+      delete [] columnLength_;
+    }
+
+    /// Assignment operator
+    HeuristicDiveMIPVectorLength & operator=(const HeuristicDiveMIPVectorLength & rhs);
+
+    /// Clone
+    virtual CbcHeuristic * clone() const;
+
+    /** Change setup used for heuristic.*/
+    virtual void setSetup(BonminSetup * setup){
+      HeuristicDiveMIP::setSetup(setup);
+      Initialize(setup->options());
+    }
+
+    /// sets internal variables
+    virtual void setInternalVariables(TMINLP2TNLP* minlp);
+
+    /// 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);
+
+    /** Register the options common to all local search based heuristics.*/
+    static void registerOptions(Ipopt::SmartPtr<Bonmin::RegisteredOptions> roptions);
+    
+    /** Initiaize using passed options.*/
+    void Initialize(Ipopt::SmartPtr<Ipopt::OptionsList> options);
+
+  private:
+    /// the number of nonzero elements in each column
+    int* columnLength_;
+
+  };
+}
+#endif