AbstractLinAlgPack_SparseCOOPtrElement.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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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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00028 
00029 #ifndef SPARSE_COO_PTR_ELEMENT_H
00030 #define SPARSE_COO_PTR_ELEMENT_H
00031 
00032 #include "AbstractLinAlgPack_Types.hpp"
00033 
00034 namespace AbstractLinAlgPack {
00035 
00045 template <class T_Index, class T_Value>
00046 class SparseCOOPtrElement {
00047 public:
00050 
00052   typedef T_Value           value_type;
00054   typedef T_Index           index_type;
00055 
00057 
00060 
00062   SparseCOOPtrElement() : pvalue_(0), row_i_(0), col_j_(0)
00063   {}
00064 
00066   SparseCOOPtrElement(value_type* pvalue, index_type row_i, index_type col_j)
00067     : pvalue_(pvalue), row_i_(row_i), col_j_(col_j)
00068   {}
00069 
00071   void initialize(value_type* pvalue, index_type row_i, index_type col_j) {
00072     pvalue_ = pvalue;
00073     row_i_  = row_i;
00074     col_j_  = col_j;
00075   }
00076   
00078 
00081 
00083   value_type& value()
00084   {
00085     return *pvalue_;
00086   }
00088   value_type value() const
00089   {
00090     return *pvalue_;
00091   }
00093   index_type row_i() const
00094   {
00095     return row_i_;
00096   }
00098   index_type col_j() const
00099   {
00100     return col_j_;
00101   }
00103   void change_indexes(index_type row_i, index_type col_j)
00104   {
00105     row_i_ = row_i;
00106     col_j_ = col_j;
00107   }
00109   void change_value_ptr(value_type* pvalue)
00110   {
00111     pvalue_ = pvalue;
00112   }
00113 
00115 private:
00116   value_type*       pvalue_;
00117   index_type        row_i_, col_j_;
00118 
00119 };  // end class SparseCOOPtrElement
00120 
00121 } // end namespace AbstractLinAlgPack 
00122 
00123 #endif // SPARSE_COO_PTR_ELEMENT_H

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