From: Timo Heister <timo.heister@gmail.com>
Date: Sun, 5 Jul 2015 10:00:05 +0000 (-0400)
Subject: remove warning
X-Git-Tag: v8.3.0-rc1~62^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F1080%2Fhead;p=dealii.git

remove warning

gcc gives the nonsensical warning "comparison of unsigned expression < 0
is always false". Work around this.
---

diff --git a/source/grid/grid_generator.cc b/source/grid/grid_generator.cc
index 65ee3b54be..25989ddb94 100644
--- a/source/grid/grid_generator.cc
+++ b/source/grid/grid_generator.cc
@@ -449,8 +449,8 @@ namespace GridGenerator
     if (dim>2)
       {
         // In 3D, we have some more edges to deal with
-        for (unsigned int i=0; i<dim-1; ++i)
-          points.push_back(0.5*(points[i]+points[i+2]));
+        for (unsigned int i=1; i<dim; ++i)
+          points.push_back(0.5*(points[i-1]+points[i+1]));
         // And we need face midpoints
         for (unsigned int i=0; i<=dim; ++i)
           points.push_back(1./3.*