From: Daniel Arndt <daniel.arndt@iwr.uni-heidelberg.de>
Date: Thu, 17 Jan 2019 22:40:24 +0000 (+0100)
Subject: Fix build warnings and errors for complex PETSc
X-Git-Tag: v9.1.0-rc1~432^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F7608%2Fhead;p=dealii.git

Fix build warnings and errors for complex PETSc
---

diff --git a/source/numerics/data_out_stack.cc b/source/numerics/data_out_stack.cc
index 336ddeba53..63617f359f 100644
--- a/source/numerics/data_out_stack.cc
+++ b/source/numerics/data_out_stack.cc
@@ -104,6 +104,7 @@ DataOutStack<dim, spacedim, DoFHandlerType>::declare_data_vector(
   const std::vector<std::string> &names,
   const VectorType                vector_type)
 {
+#ifdef DEBUG
   // make sure this function is
   // not called after some parameter
   // values have already been
@@ -114,7 +115,6 @@ DataOutStack<dim, spacedim, DoFHandlerType>::declare_data_vector(
   // used twice
   for (const auto &name : names)
     {
-      (void)name;
       for (const auto &data_set : dof_data)
         for (const auto &data_set_name : data_set.names)
           Assert(name != data_set_name, ExcNameAlreadyUsed(name));
@@ -123,6 +123,7 @@ DataOutStack<dim, spacedim, DoFHandlerType>::declare_data_vector(
         for (const auto &data_set_name : data_set.names)
           Assert(name != data_set_name, ExcNameAlreadyUsed(name));
     }
+#endif
 
   switch (vector_type)
     {
diff --git a/source/numerics/matrix_tools_once.cc b/source/numerics/matrix_tools_once.cc
index 21efb2f41f..a641490780 100644
--- a/source/numerics/matrix_tools_once.cc
+++ b/source/numerics/matrix_tools_once.cc
@@ -135,9 +135,8 @@ namespace MatrixTools
             }
         solution.set(indices, solution_values);
 
-        // now also set appropriate values for
-        // the rhs
-        for (double &solution_value : solution_values)
+        // now also set appropriate values for the rhs
+        for (auto &solution_value : solution_values)
           solution_value *= average_nonzero_diagonal_entry;
 
         right_hand_side.set(indices, solution_values);