cbcintlinprog added

1 files changed, 77 insertions, 0 deletions

diff --git a/thirdparty/linux/include/coin/CbcHeuristicRENS.hpp b/thirdparty/linux/include/coin/CbcHeuristicRENS.hpp
new file mode 100644
index 0000000..6cc96fa
--- /dev/null
+++ b/thirdparty/linux/include/coin/CbcHeuristicRENS.hpp
@@ -0,0 +1,77 @@
+// $Id: CbcHeuristicRENS.hpp 2105 2015-01-05 13:11:11Z forrest $
+// Copyright (C) 2006, International Business Machines
+// Corporation and others.  All Rights Reserved.
+// This code is licensed under the terms of the Eclipse Public License (EPL).
+
+// edwin 12/5/09 carved out of CbcHeuristicRINS
+
+#ifndef CbcHeuristicRENS_H
+#define CbcHeuristicRENS_H
+
+#include "CbcHeuristic.hpp"
+
+/** LocalSearch class
+ */
+
+class CbcHeuristicRENS : public CbcHeuristic {
+public:
+
+    // Default Constructor
+    CbcHeuristicRENS ();
+
+    /* Constructor with model - assumed before cuts
+       Initial version does not do Lps
+    */
+    CbcHeuristicRENS (CbcModel & model);
+
+    // Copy constructor
+    CbcHeuristicRENS ( const CbcHeuristicRENS &);
+
+    // Destructor
+    ~CbcHeuristicRENS ();
+
+    /// Clone
+    virtual CbcHeuristic * clone() const;
+
+
+    /// Assignment operator
+    CbcHeuristicRENS & operator=(const CbcHeuristicRENS& rhs);
+
+    /// Resets stuff if model changes
+    virtual void resetModel(CbcModel * model);
+
+    /// update model (This is needed if cliques update matrix etc)
+    virtual void setModel(CbcModel * model);
+
+    using CbcHeuristic::solution ;
+    /** returns 0 if no solution, 1 if valid solution.
+        Sets solution values if good, sets objective value (only if good)
+        This does Relaxation Extension Neighborhood Search
+        Does not run if when_<2 and a solution exists
+    */
+    virtual int solution(double & objectiveValue,
+                         double * newSolution);
+
+    /// Set type
+    inline void setRensType(int value)
+    { rensType_ = value;}
+
+protected:
+    // Data
+    /// Number of tries
+    int numberTries_;
+    /** Type
+        0 - fix at LB
+        1 - fix on dj
+        2 - fix at UB as well
+	3 - fix on 0.01*average dj
+	add 16 to allow two tries
+	32 - if solution exists use to keep more variables
+	64 - if priorities keep high priority
+	128 - if priorities keep low priority
+    */
+    int rensType_;
+};
+
+#endif
+