From 6e7d76346f99f8abe1e56a3dec6dc4cf23f64f9b Mon Sep 17 00:00:00 2001
From: Ansgar Burchardt <Ansgar.Burchardt@tu-dresden.de>
Date: Tue, 3 Jul 2018 17:06:23 +0200
Subject: [PATCH] CGStep: resize `p_` when size of problem might change

---
 dune/solvers/iterationsteps/cgstep.hh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dune/solvers/iterationsteps/cgstep.hh b/dune/solvers/iterationsteps/cgstep.hh
index 6d7bc3ec..354f55de 100644
--- a/dune/solvers/iterationsteps/cgstep.hh
+++ b/dune/solvers/iterationsteps/cgstep.hh
@@ -43,6 +43,7 @@ namespace Dune {
                 this->setMatrix(mat);
                 setProblem(x);
                 r_ = rhs;
+                p_.resize(r_.size());
             }
 
             void check() const override;
-- 
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