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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 MATRIX_HESSIAN_SUPER_BASIC_INIT_DIAGONAL_H
#define MATRIX_HESSIAN_SUPER_BASIC_INIT_DIAGONAL_H
#include <vector>
#include "ConstrainedOptPack_MatrixHessianSuperBasic.hpp"
#include "AbstractLinAlgPack/src/AbstractLinAlgPack_MatrixSymInitDiag.hpp"
namespace ConstrainedOptPack {
/** \brief Matrix class that adds the ability to initialize to a diagonal
* to a MatrixHessainSuperBasic object.
*
* Essentially, the matrix #B_RR# must support the #MatrixSymInitDiag#
* interface.
*/
class MatrixHessianSuperBasicInitDiagonal
: public virtual MatrixHessianSuperBasic
, public virtual MatrixSymInitDiag
{
public:
/** \brief Constructs to uninitialized.
*/
MatrixHessianSuperBasicInitDiagonal();
/** @name Overridden from MatrixHessianSuperBasic.
**/
//@{
/** \brief Initialize the matrix and require B_RR to support #MatrixSymInitDiag#.
*
* Preconditions:\begin{itemize}
* \item #dynamic_cast<MatrixSymInitDiag*>(const_cast<MatrixSymWithOpFactorized*>(B_RR_ptr.get())) != NULL#
* \end{itemize}
*
* This overridden function is a little bit of a hack but it is better than the
* alternatives that I could think of. What is important is that the #MatrixSymInitDiag#
* interface for this class will be supported as long as this function executes
* succesfully on initialization. This is far better than waiting until later when
* dynamic casting would be done and failed. We need to catch any mistakes right away.
*
* In this manner we will have given up some compile-time checking but the run-time check will
* be very good.
*/
void initialize(
size_type n
,size_type n_R
,const size_type i_x_free[]
,const size_type i_x_fixed[]
,const EBounds bnd_fixed[]
,const B_RR_ptr_t& B_RR_ptr
,const B_RX_ptr_t& B_RX_ptr
,BLAS_Cpp::Transp B_RX_trans
,const B_XX_ptr_t& B_XX_ptr
);
//@}
/** @name Overridden from MatrixSymInitDiag.
*
* These function call the corresponding functions on
* #B_RR_ptr()# and then call the equivalent of:
\begin{verbatim}
MatrixHessianSuperBasic::initialize(
this->B_RR_ptr()->rows(),this->B_RR_ptr()->cols()
,NULL,NULL,NULL
,this->B_RR_ptr()
,this->B_RX_ptr(),this->B_RX_trans()
,this->B_XX_ptr()
);
\end{verbatim}
**/
//@{
/** \brief . */
void init_identity( size_type n, value_type alpha );
/** \brief . */
void init_diagonal( const DVectorSlice& diag );
//@}
private:
// ///////////////////////////////////
// Private data members
MatrixSymInitDiag *B_RR_init_; // will be non-null for any valid initalization
// //////////////////////////
// Private member functions
}; // end class MatrixHessianSuperBasicInitDiagonal
} // end namespace ConstrainedOptPack
#endif // MATRIX_HESSIAN_SUPER_BASIC_INIT_DIAGONAL_H
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