initialize Du to correct size

diff --git a/include/deal.II/algorithms/newton.templates.h b/include/deal.II/algorithms/newton.templates.h
index 9a844e74b26f31b28d890284841a90579ca0d1c0..254563f2d3b7eaf95649998e7d12e0401cca7dc2 100644 (file)
--- a/include/deal.II/algorithms/newton.templates.h
+++ b/include/deal.II/algorithms/newton.templates.h
@@ -107,6 +107,7 @@ namespace Algorithms
     typename VectorMemory<VectorType>::Pointer Du(mem);
     typename VectorMemory<VectorType>::Pointer res(mem);
 
+    Du->reinit(u);
     res->reinit(u);
     AnyData src1;
     AnyData src2;