summaryrefslogtreecommitdiff
path: root/build/Bonmin/include/coin/CbcHeuristicDiveFractional.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'build/Bonmin/include/coin/CbcHeuristicDiveFractional.hpp')
-rw-r--r--build/Bonmin/include/coin/CbcHeuristicDiveFractional.hpp52
1 files changed, 52 insertions, 0 deletions
diff --git a/build/Bonmin/include/coin/CbcHeuristicDiveFractional.hpp b/build/Bonmin/include/coin/CbcHeuristicDiveFractional.hpp
new file mode 100644
index 0000000..bc17047
--- /dev/null
+++ b/build/Bonmin/include/coin/CbcHeuristicDiveFractional.hpp
@@ -0,0 +1,52 @@
+/* $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
+