AbstractLinAlgPack_MatrixOpGetGMS.hpp

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00003 // 
00004 // Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
00005 //                  Copyright (2003) Sandia Corporation
00006 // 
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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00009 // 
00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
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00018 // Lesser General Public License for more details.
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00020 // You should have received a copy of the GNU Lesser General Public
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00028 
00029 #ifndef MATRIX_WITH_OP_GET_GMS_H
00030 #define MATRIX_WITH_OP_GET_GMS_H
00031 
00032 #include "AbstractLinAlgPack_Types.hpp"
00033 #include "AbstractLinAlgPack_MatrixOp.hpp"
00034 #include "DenseLinAlgPack_DMatrixClass.hpp"
00035 #include "Teuchos_dyn_cast.hpp"
00036 
00037 namespace AbstractLinAlgPack {
00038 
00054 class MatrixOpGetGMS 
00055   : virtual public AbstractLinAlgPack::MatrixOp // doxygen needs full path
00056 {
00057 public:
00058 
00073   virtual const DMatrixSlice get_gms_view() const = 0;
00074 
00089   virtual void free_gms_view(const DMatrixSlice* gms_view) const = 0;
00090 
00091 }; // end class MatrixOpGetGMS
00092 
00112 class MatrixDenseEncap {
00113 public:
00114 
00117   MatrixDenseEncap( const MatrixOpGetGMS&  mat_get );
00123   MatrixDenseEncap( const MatrixOp& mat );
00125   ~MatrixDenseEncap();
00127   const DMatrixSlice operator()() const;
00128 
00129 private:
00130 
00131   const MatrixOpGetGMS     &mat_get_;
00132   const DMatrixSlice         gms_view_;
00133   MatrixDenseEncap();                                      // Not defined and not to be called!
00134   MatrixDenseEncap(const MatrixDenseEncap&);               // ""
00135   MatrixDenseEncap& operator=(const MatrixDenseEncap&);    // ""
00136 
00137 }; // end class MatrixDenseEncap
00138 
00139 // ///////////////////////////////////////////
00140 // Inline members
00141 
00142 // MatrixDenseEncap
00143 
00144 inline
00145 MatrixDenseEncap::MatrixDenseEncap( const MatrixOpGetGMS&  mat_get )
00146   :mat_get_(mat_get)
00147   ,gms_view_(mat_get_.get_gms_view())
00148 {}
00149 
00150 inline
00151 MatrixDenseEncap::MatrixDenseEncap( const MatrixOp& mat )
00152   :mat_get_(Teuchos::dyn_cast<const MatrixOpGetGMS>(mat))
00153   ,gms_view_(mat_get_.get_gms_view())
00154 {}
00155 
00156 inline
00157 MatrixDenseEncap::~MatrixDenseEncap()
00158 {
00159   mat_get_.free_gms_view(&gms_view_);
00160 }
00161 
00162 inline
00163 const DMatrixSlice MatrixDenseEncap::operator()() const
00164 {
00165   return gms_view_;
00166 }
00167 
00168 } // end namespace AbstractLinAlgPack
00169 
00170 #endif // MATRIX_WITH_OP_GET_GMS_H

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