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fei_MatrixTraits_LinSysCore.hpp
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00042 
00043 
00044 #ifndef _fei_MatrixTraits_LinSysCore_hpp_
00045 #define _fei_MatrixTraits_LinSysCore_hpp_
00046 
00047 //This file defines matrix traits for LinearSystemCore matrices
00048 //(well, "matrix-views" to be more precise).
00049 //
00050 
00051 #include <fei_LinearSystemCore.hpp>
00052 
00053 namespace fei {
00054 
00056   template<>
00057   struct MatrixTraits<LinearSystemCore> {
00058 
00060     static const char* typeName()
00061       { return("LinearSystemCore"); }
00062 
00065     static int setValues(LinearSystemCore* lsc, double scalar)
00066       {
00067   return( lsc->resetMatrix(scalar) );
00068       }
00069 
00073     static int getNumLocalRows(LinearSystemCore* lsc, int& numRows)
00074     {
00075       numRows = -1;
00076       return(-1);
00077     }
00078 
00081     static int getRowLength(LinearSystemCore* lsc, int row, int& length)
00082       {
00083   return( lsc->getMatrixRowLength(row, length) );
00084       }
00085 
00098     static int copyOutRow(LinearSystemCore* lsc,
00099           int row, int len, double* coefs, int* indices)
00100       {
00101         int dummy;
00102   return( lsc->getMatrixRow(row, coefs, indices, len, dummy) );
00103       }
00104 
00107     static int putValuesIn(LinearSystemCore* lsc,
00108                            int numRows, const int* rows,
00109                            int numCols, const int* cols,
00110                            const double* const* values,
00111                            bool sum_into)
00112       {
00113         if (sum_into) {
00114           return( lsc->sumIntoSystemMatrix(numRows, rows,
00115                                            numCols, cols, values) );
00116         }
00117         else {
00118     return( lsc->putIntoSystemMatrix(numRows, rows,
00119                                            numCols, cols, values) );
00120         }
00121       }
00122 
00127     static int globalAssemble(LinearSystemCore* lsc)
00128     {
00129       return( lsc->matrixLoadComplete() );
00130     }
00131 
00133     static int matvec(LinearSystemCore* lsc,
00134           fei::Vector* x,
00135           fei::Vector* y)
00136     {
00137       return( -1 );
00138     }
00139   };//struct MatrixTraits
00140 }//namespace fei
00141 
00142 #endif // _fei_MatrixTraits_LinSysCore_hpp_
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