| int Impala::Core::Matrix::VirtualMatrix::Diff | ( | VirtualMatrix * | arg | ) | [inline] |
Definition at line 192 of file VirtualMatrix.h.
References GetRow(), ILOG_DEBUG, ILOG_ERROR, NrCol(), and NrRow().
Referenced by Impala::Core::Training::KernelMatrix::Diff().
00193 { 00194 if (NrRow() != arg->NrRow()) 00195 { 00196 ILOG_ERROR("[Diff] NrRow differs: " << NrRow() << " vs " << 00197 arg->NrRow()); 00198 return 1; 00199 } 00200 if (NrCol() != arg->NrCol()) 00201 { 00202 ILOG_ERROR("[Diff] NrCol differs: " << NrCol() << " vs " << 00203 arg->NrCol()); 00204 return 1; 00205 } 00206 int nDiff = 0; 00207 Real64* row = new Real64[NrCol()]; 00208 Real64* rowArg = new Real64[NrCol()]; 00209 for (int i=0 ; i<NrRow() ; i++) 00210 { 00211 GetRow(i, row, NrCol()); 00212 arg->GetRow(i, rowArg, NrCol()); 00213 for (int j=0 ; j<NrCol() ; j++) 00214 { 00215 if (fabs(row[j] - rowArg[j]) > 0.00001) 00216 { 00217 ILOG_DEBUG("elem " << i << "," << j << " differs: " 00218 << row[j] << " vs " << rowArg[j]); 00219 nDiff++; 00220 } 00221 } 00222 } 00223 delete row; 00224 delete rowArg; 00225 if (nDiff > 0) 00226 ILOG_ERROR("Found " << nDiff << " differences"); 00227 return nDiff; 00228 }
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