diff --git a/dune/solvers/norms/h1seminorm.hh b/dune/solvers/norms/h1seminorm.hh index e8ceaa45e264dd625b820bfd761f34cac233dbb7..b2bb5cc8d2724a750e65e17bf08f786be59f91ba 100644 --- a/dune/solvers/norms/h1seminorm.hh +++ b/dune/solvers/norms/h1seminorm.hh @@ -21,7 +21,7 @@ public: { double sum = 0; - for (int i=0; i<matrix_->N(); i++) + for (size_t i=0; i<matrix_->N(); i++) { typename Dune::BCRSMatrix<Dune::FieldMatrix<double,1,1> >::row_type::const_iterator cIt = (*matrix_)[i].begin(); typename Dune::BCRSMatrix<Dune::FieldMatrix<double,1,1> >::row_type::const_iterator cEndIt = (*matrix_)[i].end();