192    for(index_t row=0;row < a.rows() ; row++)  variable
196          if (ERROR(a(row,col),b(row,col),abser,reler) )
203 …std::cout << "Error at : (" << row << "," << col << ") ; res=" << a(row,col) << " ; ref=" << b(row…
204             ERRVAL(a(row,col),b(row,col),abser,reler);
219    for(index_t row=0;row < a.rows() ; row++)  variable
221       for(index_t col=0;col <= row ; col++)
223          if (ERROR(a(row,col),b(row,col),abser,reler) )
230 …std::cout << "Error at : (" << row << "," << col << ") ; res=" << a(row,col) << " ; ref=" << b(row…
231             ERRVAL(a(row,col),b(row,col),abser,reler);
248    for(index_t row=0;row < a.rows() ; row++)  variable
252          if (a(row,col).v != b(row,col).v)
254 …std::cout << "Error at : (" << row << "," << col << ") ; res=" << a(row,col) << " ; ref=" << b(row…
255             std::cout << "Error = " << abs(a(row,col).v - b(row,col).v) << "\r\n";