FEI Version of the Day
fei_ostream_ops.cpp
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00004 //             FEI: Finite Element Interface to Linear Solvers
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00041 */
00042 
00043 
00044 #include <fei_macros.hpp>
00045 #include <fei_ostream_ops.hpp>
00046 
00047 #include <fei_Vector.hpp>
00048 #include <fei_Matrix.hpp>
00049 #include <fei_FillableMat.hpp>
00050 #include <fei_CSRMat.hpp>
00051 #include <fei_CSVec.hpp>
00052 
00053 
00054 FEI_OSTREAM& operator<<(FEI_OSTREAM& os, fei::Vector& vec)
00055 {
00056   vec.writeToStream(os);
00057   return(os);
00058 }
00059 
00060 FEI_OSTREAM& operator<<(FEI_OSTREAM& os, fei::Matrix& mat)
00061 {
00062   mat.writeToStream(os);
00063   return(os);
00064 }
00065 
00066 FEI_OSTREAM& operator<<(FEI_OSTREAM& os, fei::FillableMat& mat)
00067 {
00068   os << "num rows: " << mat.getNumRows() << FEI_ENDL;
00069   fei::FillableMat::iterator
00070     iter = mat.begin(), iter_end = mat.end();
00071 
00072   for(; iter!=iter_end; ++iter) {
00073     int row = iter->first;
00074     const fei::CSVec* v = iter->second;
00075     const std::vector<int>& v_ind = v->indices();
00076     const std::vector<double>& v_coef = v->coefs();
00077     os << row << ": ";
00078     for(size_t i=0; i<v_ind.size(); ++i) {
00079       os << "("<<v_ind[i]<<","<<v_coef[i]<<") ";
00080     }
00081     os << FEI_ENDL;
00082   }
00083 
00084   return(os);
00085 }
00086 
00087 FEI_OSTREAM& operator<<(FEI_OSTREAM& os, fei::CSVec& vec)
00088 {
00089   size_t len = vec.size();
00090 
00091   os << "   numEntries: " << len << FEI_ENDL;
00092 
00093   for(size_t i=0; i<len; ++i) {
00094     os << "     " << vec.indices()[i]<< ": "<<vec.coefs()[i] << FEI_ENDL;
00095   }
00096 
00097   return(os);
00098 }
00099 
00100 FEI_OSTREAM& operator<<(FEI_OSTREAM& os, fei::CSRMat& mat)
00101 {
00102   os << "num rows: " << mat.getNumRows() << FEI_ENDL;
00103 
00104   const std::vector<int>& rows = mat.getGraph().rowNumbers;
00105   const int* rowoffs = &(mat.getGraph().rowOffsets[0]);
00106   const std::vector<int>& cols = mat.getGraph().packedColumnIndices;
00107   const double* coefs = &(mat.getPackedCoefs()[0]);
00108 
00109   for(size_t i=0; i<rows.size(); ++i) {
00110     int row = rows[i];
00111 
00112     os << row << ": ";
00113     for(int j=rowoffs[i]; j<rowoffs[i+1]; ++j) {
00114       os << "("<<cols[j]<<","<<coefs[j]<<") ";
00115     }
00116     os << FEI_ENDL;
00117   }
00118 
00119   return(os);
00120 }
00121 
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