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// ***********************************************************************
//
// Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
// Copyright (2003) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
// Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov)
//
// ***********************************************************************
// @HEADER
#ifndef SPARSE_LINALG_PACK_MATRIX_DIAGONAL_SPARSE_STD_H
#define SPARSE_LINALG_PACK_MATRIX_DIAGONAL_SPARSE_STD_H
#include "AbstractLinAlgPack_MatrixSymDiagSparse.hpp"
#include "AbstractLinAlgPack_SpVectorClass.hpp"
namespace AbstractLinAlgPack {
/** \brief Concrete subclass for a serial symmetric diagonal matrix with many zeros on the diagonal.
*
* The underlying diagonal vector is sorted and determines the dimensions of the
* matrix.
*
* The default constructor, copy constructor are allowed.
*/
class MatrixSymDiagSparseStd: virtual public MatrixSymDiagSparse {
public:
/** @name Constructors/initializes */
//@{
/// Construct uninitialized
MatrixSymDiagSparseStd()
{}
/** \brief Construct the diagonal.
*/
MatrixSymDiagSparseStd( const SpVectorSlice& diag );
/** \brief Reinitialize the diagonal.
*/
void initialize( const SpVectorSlice& diag );
//@}
/** @name Overridden from MatrixOp */
//@{
/** \brief . */
MatrixOp& operator=(const MatrixOp& m);
//@}
/** Overridden from MatrixDiagonalSparse */
//@{
/** \brief . */
const SpVectorSlice diag() const;
//@}
private:
SpVector diag_;
}; // end class MatrixDiagonalSparse
} // end namespace AbstractLinAlgPack
#endif // SPARSE_LINALG_PACK_MATRIX_DIAGONAL_SPARSE_STD_H
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