cbcintlinprog added

1 files changed, 52 insertions, 0 deletions

diff --git a/thirdparty/linux/include/coin/CbcHeuristicDiveFractional.hpp b/thirdparty/linux/include/coin/CbcHeuristicDiveFractional.hpp
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+++ b/thirdparty/linux/include/coin/CbcHeuristicDiveFractional.hpp
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+/* $Id: CbcHeuristicDiveFractional.hpp 1899 2013-04-09 18:12:08Z stefan $ */
+// Copyright (C) 2008, International Business Machines
+// Corporation and others.  All Rights Reserved.
+// This code is licensed under the terms of the Eclipse Public License (EPL).
+
+#ifndef CbcHeuristicDiveFractional_H
+#define CbcHeuristicDiveFractional_H
+
+#include "CbcHeuristicDive.hpp"
+
+/** DiveFractional class
+ */
+
+class CbcHeuristicDiveFractional : public CbcHeuristicDive {
+public:
+
+    // Default Constructor
+    CbcHeuristicDiveFractional ();
+
+    // Constructor with model - assumed before cuts
+    CbcHeuristicDiveFractional (CbcModel & model);
+
+    // Copy constructor
+    CbcHeuristicDiveFractional ( const CbcHeuristicDiveFractional &);
+
+    // Destructor
+    ~CbcHeuristicDiveFractional ();
+
+    /// Clone
+    virtual CbcHeuristicDiveFractional * clone() const;
+
+    /// Assignment operator
+    CbcHeuristicDiveFractional & operator=(const CbcHeuristicDiveFractional& rhs);
+
+    /// Create C++ lines to get to current state
+    virtual void generateCpp( FILE * fp) ;
+
+    /// Selects the next variable to branch on
+    /** Returns true if all the fractional variables can be trivially
+        rounded. Returns false, if there is at least one fractional variable
+        that is not trivially roundable. In this case, the bestColumn
+        returned will not be trivially roundable.
+    */
+    virtual bool selectVariableToBranch(OsiSolverInterface* solver,
+                                        const double* newSolution,
+                                        int& bestColumn,
+                                        int& bestRound);
+
+};
+
+#endif
+