diff --git a/dune/solvers/iterationsteps/projectedblockgsstep.hh b/dune/solvers/iterationsteps/projectedblockgsstep.hh index 3a9a287ed48fb250b13bd0b6b3ed38cec037a20b..111b093078a88d1caf3644e8507838cd1ce7b69a 100644 --- a/dune/solvers/iterationsteps/projectedblockgsstep.hh +++ b/dune/solvers/iterationsteps/projectedblockgsstep.hh @@ -8,6 +8,7 @@ #include <dune/solvers/common/boxconstraint.hh> #include <dune/solvers/common/arithmetic.hh> +#include <dune/solvers/iterationsteps/lineariterationstep.hh> template<class MatrixType, class VectorType> class ProjectedBlockGSStep : public LinearIterationStep<MatrixType, VectorType>