From eab549f6c93135c761dc8e0dd772ec9542a3fd1f Mon Sep 17 00:00:00 2001
From: Daniel Arndt <daniel.arndt@iwr.uni-heidelberg.de>
Date: Wed, 20 Feb 2019 15:53:31 +0100
Subject: [PATCH] Fix linear operator

---
 include/deal.II/lac/linear_operator.h             | 2 +-
 include/deal.II/lac/read_write_vector.templates.h | 4 ++--
 source/base/utilities.cc                          | 1 +
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/deal.II/lac/linear_operator.h b/include/deal.II/lac/linear_operator.h
index b8e118fe11..2947a092d4 100644
--- a/include/deal.II/lac/linear_operator.h
+++ b/include/deal.II/lac/linear_operator.h
@@ -856,7 +856,7 @@ template <
 LinearOperator<Range, Range, Payload>
 identity_operator(const std::function<void(Range &, bool)> &reinit_vector)
 {
-  LinearOperator<Range, Range, Payload> return_op((Payload()));
+  LinearOperator<Range, Range, Payload> return_op{Payload()};
 
   return_op.reinit_range_vector  = reinit_vector;
   return_op.reinit_domain_vector = reinit_vector;
diff --git a/include/deal.II/lac/read_write_vector.templates.h b/include/deal.II/lac/read_write_vector.templates.h
index cfbbc7db89..c2854d9af2 100644
--- a/include/deal.II/lac/read_write_vector.templates.h
+++ b/include/deal.II/lac/read_write_vector.templates.h
@@ -874,7 +874,7 @@ namespace LinearAlgebra
         for (unsigned int i = 0; i < n_elements; ++i)
           {
             Assert(
-              std::imag(new_values[i]) == 0.,
+              std::imag(tmp[i]) == 0.,
               ExcMessage(
                 "VectorOperation::min is not defined if there is an imaginary part!)"));
             Assert(
@@ -898,7 +898,7 @@ namespace LinearAlgebra
         for (unsigned int i = 0; i < n_elements; ++i)
           {
             Assert(
-              std::imag(new_values[i]) == 0.,
+              std::imag(tmp[i]) == 0.,
               ExcMessage(
                 "VectorOperation::max is not defined if there is an imaginary part!)"));
             Assert(
diff --git a/source/base/utilities.cc b/source/base/utilities.cc
index d5f120192b..c09874105d 100644
--- a/source/base/utilities.cc
+++ b/source/base/utilities.cc
@@ -60,6 +60,7 @@
 #    include <deal.II/lac/vector_memory.h>
 
 #    include <Epetra_MpiComm.h>
+#    include <Teuchos_DefaultComm.hpp>
 #  endif
 #  include <Epetra_SerialComm.h>
 #  include <Teuchos_RCP.hpp>
-- 
2.39.5