diff --git a/dune/solvers/iterationsteps/mmgstep.cc b/dune/solvers/iterationsteps/mmgstep.cc index 95a6554b1dfee5c11aae1b5004e1a1dd42c39ed2..510829e5b4c66035e2ba9bdce28d20c72b38a905 100644 --- a/dune/solvers/iterationsteps/mmgstep.cc +++ b/dune/solvers/iterationsteps/mmgstep.cc @@ -316,8 +316,12 @@ void MonotoneMGStep<MatrixType, VectorType>::iterate() } // Debug: output energy - if (level==(int) this->numLevels()-1 && this->verbosity_==NumProc::FULL) + if (level==(int) this->numLevels()-1 && this->verbosity_==NumProc::FULL) { + std::streamsize const oldPrecision = std::cout.precision() std::cout << "Total energy: " - << std::setprecision(10) << computeEnergy(*mat[level], *x[level], rhs[level]) << std::endl; + << std::setprecision(10) + << computeEnergy(*mat[level], *x[level], rhs[level]) << std::endl + << std::setprecision(oldPrecision); + } }