From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Thu, 5 Oct 2017 19:17:11 +0000 (-0600)
Subject: Entirely avoid memory allocation in two places.
X-Git-Tag: v9.0.0-rc1~993^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F5198%2Fhead;p=dealii.git

Entirely avoid memory allocation in two places.
---

diff --git a/include/deal.II/numerics/vector_tools.templates.h b/include/deal.II/numerics/vector_tools.templates.h
index a4bf302661..ada229938a 100644
--- a/include/deal.II/numerics/vector_tools.templates.h
+++ b/include/deal.II/numerics/vector_tools.templates.h
@@ -136,7 +136,7 @@ namespace VectorTools
               auto shifted_view = boost::make_iterator_range(
                                     std::begin(function_values[i]) + offset,
                                     std::begin(function_values[i]) + offset + dim);
-              std::vector<number> old_value(dim);
+              std::array<number,dim> old_value;
               std::copy(std::begin(shifted_view),
                         std::end(shifted_view),
                         std::begin(old_value));
@@ -164,7 +164,7 @@ namespace VectorTools
               auto shifted_view = boost::make_iterator_range(
                                     std::begin(function_values[i]) + offset,
                                     std::begin(function_values[i]) + offset + dim);
-              std::vector<number> old_value(dim);
+              std::array<number,dim> old_value;
               std::copy(std::begin(shifted_view),
                         std::end(shifted_view),
                         std::begin(old_value));