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diff --git a/newstructure/thirdparty/linux/include/coin/ClpConstraintQuadratic.hpp b/newstructure/thirdparty/linux/include/coin/ClpConstraintQuadratic.hpp
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+++ b/newstructure/thirdparty/linux/include/coin/ClpConstraintQuadratic.hpp
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+/* $Id: ClpConstraintQuadratic.hpp 1665 2011-01-04 17:55:54Z lou $ */
+// Copyright (C) 2007, International Business Machines
+// Corporation and others.  All Rights Reserved.
+// This code is licensed under the terms of the Eclipse Public License (EPL).
+
+#ifndef ClpConstraintQuadratic_H
+#define ClpConstraintQuadratic_H
+
+#include "ClpConstraint.hpp"
+
+//#############################################################################
+
+/** Quadratic Constraint Class
+
+*/
+
+class ClpConstraintQuadratic : public ClpConstraint {
+
+public:
+
+     ///@name Stuff
+     //@{
+
+
+     /** Fills gradient.  If Quadratic then solution may be NULL,
+         also returns true value of function and offset so we can use x not deltaX in constraint
+         If refresh is false then uses last solution
+         Uses model for scaling
+         Returns non-zero if gradient udefined at current solution
+     */
+     virtual int gradient(const ClpSimplex * model,
+                          const double * solution,
+                          double * gradient,
+                          double & functionValue ,
+                          double & offset,
+                          bool useScaling = false,
+                          bool refresh = true) const ;
+     /// Resize constraint
+     virtual void resize(int newNumberColumns) ;
+     /// Delete columns in  constraint
+     virtual void deleteSome(int numberToDelete, const int * which) ;
+     /// Scale constraint
+     virtual void reallyScale(const double * columnScale) ;
+     /** Given a zeroed array sets nonquadratic columns to 1.
+         Returns number of nonquadratic columns
+      */
+     virtual int markNonlinear(char * which) const ;
+     /** Given a zeroed array sets possible nonzero coefficients to 1.
+         Returns number of nonzeros
+      */
+     virtual int markNonzero(char * which) const;
+     //@}
+
+
+     ///@name Constructors and destructors
+     //@{
+     /// Default Constructor
+     ClpConstraintQuadratic();
+
+     /// Constructor from quadratic
+     ClpConstraintQuadratic(int row, int numberQuadraticColumns, int numberColumns,
+                            const CoinBigIndex * start,
+                            const int * column, const double * element);
+
+     /** Copy constructor .
+     */
+     ClpConstraintQuadratic(const ClpConstraintQuadratic & rhs);
+
+     /// Assignment operator
+     ClpConstraintQuadratic & operator=(const ClpConstraintQuadratic& rhs);
+
+     /// Destructor
+     virtual ~ClpConstraintQuadratic ();
+
+     /// Clone
+     virtual ClpConstraint * clone() const;
+     //@}
+     ///@name Gets and sets
+     //@{
+     /// Number of coefficients
+     virtual int numberCoefficients() const;
+     /// Number of columns in constraint
+     inline int numberColumns() const {
+          return numberColumns_;
+     }
+     /// Column starts
+     inline CoinBigIndex * start() const {
+          return start_;
+     }
+     /// Columns
+     inline const int * column() const {
+          return column_;
+     }
+     /// Coefficients
+     inline const double * coefficient() const {
+          return coefficient_;
+     }
+     //@}
+
+     //---------------------------------------------------------------------------
+
+private:
+     ///@name Private member data
+     /// Column starts
+     CoinBigIndex * start_;
+     /// Column (if -1 then linear coefficient)
+     int * column_;
+     /// Coefficients
+     double * coefficient_;
+     /// Useful to have number of columns about
+     int numberColumns_;
+     /// Number of coefficients in gradient
+     int numberCoefficients_;
+     /// Number of quadratic columns
+     int numberQuadraticColumns_;
+     //@}
+};
+
+#endif