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diff --git a/thirdparty/linux/include/coin1/IpTripletHelper.hpp b/thirdparty/linux/include/coin1/IpTripletHelper.hpp
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+// Copyright (C) 2004, 2009 International Business Machines and others.
+// All Rights Reserved.
+// This code is published under the Eclipse Public License.
+//
+// $Id: IpTripletHelper.hpp 2380 2013-09-06 22:57:49Z ghackebeil $
+//
+// Authors:  Carl Laird, Andreas Waechter     IBM    2004-08-13
+
+#ifndef __IPTRIPLETHELPER_HPP__
+#define __IPTRIPLETHELPER_HPP__
+
+#include "IpTypes.hpp"
+#include "IpException.hpp"
+
+namespace Ipopt
+{
+
+  DECLARE_STD_EXCEPTION(UNKNOWN_MATRIX_TYPE);
+  DECLARE_STD_EXCEPTION(UNKNOWN_VECTOR_TYPE);
+
+  /** forward declarations */
+  class Matrix;
+  class GenTMatrix;
+  class SymTMatrix;
+  class DiagMatrix;
+  class IdentityMatrix;
+  class ExpansionMatrix;
+  class ScaledMatrix;
+  class SymScaledMatrix;
+  class SumMatrix;
+  class SumSymMatrix;
+  class ZeroMatrix;
+  class ZeroSymMatrix;
+  class CompoundMatrix;
+  class CompoundSymMatrix;
+  class TransposeMatrix;
+  class ExpandedMultiVectorMatrix;
+  class Vector;
+
+  class TripletHelper
+  {
+  public:
+    /**@name A set of recursive routines that help with the Triplet format. */
+    //@{
+    /** find the total number of triplet entries of a Matrix */
+    static Index GetNumberEntries(const Matrix& matrix);
+
+    /** fill the irows, jcols structure for the triplet format from the matrix */
+    static void FillRowCol(Index n_entries, const Matrix& matrix, Index* iRow, Index* jCol, Index row_offset=0, Index col_offset=0);
+
+    /** fill the values for the triplet format from the matrix */
+    static void FillValues(Index n_entries, const Matrix& matrix, Number* values);
+
+    /** fill the values from the vector into a dense double* structure */
+    static void FillValuesFromVector(Index dim, const Vector& vector, Number* values);
+
+    /** put the values from the double* back into the vector */
+    static void PutValuesInVector(Index dim, const double* values, Vector& vector);
+    //@}
+
+  private:
+    /** find the total number of triplet entries for the SumMatrix */
+    static Index GetNumberEntries_(const SumMatrix& matrix);
+
+    /** find the total number of triplet entries for the SumSymMatrix */
+    static Index GetNumberEntries_(const SumSymMatrix& matrix);
+
+    /** find the total number of triplet entries for the CompoundMatrix */
+    static Index GetNumberEntries_(const CompoundMatrix& matrix);
+
+    /** find the total number of triplet entries for the CompoundSymMatrix */
+    static Index GetNumberEntries_(const CompoundSymMatrix& matrix);
+
+    /** find the total number of triplet entries for the TransposeMatrix */
+    static Index GetNumberEntries_(const TransposeMatrix& matrix);
+
+    /** find the total number of triplet entries for the TransposeMatrix */
+    static Index GetNumberEntries_(const ExpandedMultiVectorMatrix& matrix);
+
+    static void FillRowCol_(Index n_entries, const GenTMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);
+
+    static void FillValues_(Index n_entries, const GenTMatrix& matrix, Number* values);
+
+    static void FillRowCol_(Index n_entries, const SymTMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);
+
+    static void FillValues_(Index n_entries, const SymTMatrix& matrix, Number* values);
+
+    static void FillRowCol_(Index n_entries, const DiagMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);
+
+    static void FillValues_(Index n_entries, const DiagMatrix& matrix, Number* values);
+
+    static void FillRowCol_(Index n_entries, const IdentityMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);
+
+    static void FillValues_(Index n_entries, const IdentityMatrix& matrix, Number* values);
+
+    static void FillRowCol_(Index n_entries, const ExpansionMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);
+
+    static void FillValues_(Index n_entries, const ExpansionMatrix& matrix, Number* values);
+
+    static void FillRowCol_(Index n_entries, const SumMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);
+
+    static void FillValues_(Index n_entries, const SumMatrix& matrix, Number* values);
+
+    static void FillRowCol_(Index n_entries, const SumSymMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);
+
+    static void FillValues_(Index n_entries, const SumSymMatrix& matrix, Number* values);
+
+    static void FillRowCol_(Index n_entries, const CompoundMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);
+
+    static void FillValues_(Index n_entries, const CompoundMatrix& matrix, Number* values);
+
+    static void FillRowCol_(Index n_entries, const CompoundSymMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);
+
+    static void FillValues_(Index n_entries, const CompoundSymMatrix& matrix, Number* values);
+
+    static void FillRowCol_(Index n_entries, const ScaledMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);
+
+    static void FillValues_(Index n_entries, const ScaledMatrix& matrix, Number* values);
+
+    static void FillRowCol_(Index n_entries, const SymScaledMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);
+
+    static void FillValues_(Index n_entries, const SymScaledMatrix& matrix, Number* values);
+
+    static void FillRowCol_(Index n_entries, const TransposeMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);
+
+    static void FillValues_(Index n_entries, const TransposeMatrix& matrix, Number* values);
+
+    static void FillRowCol_(Index n_entries, const ExpandedMultiVectorMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);
+
+    static void FillValues_(Index n_entries, const ExpandedMultiVectorMatrix& matrix, Number* values);
+
+  };
+} // namespace Ipopt
+
+#endif