From: wolf <wolf@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Fri, 6 Oct 2000 14:28:26 +0000 (+0000)
Subject: Avoid warning about possibly unitialized variable.
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a32301dcd92bb1e40d09b208c820d5224acccf5e;p=dealii-svn.git

Avoid warning about possibly unitialized variable.


git-svn-id: https://svn.dealii.org/trunk@3397 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/deal.II/examples/step-7/step-7.cc b/deal.II/examples/step-7/step-7.cc
index e2e35aec01..819a6f7ec3 100644
--- a/deal.II/examples/step-7/step-7.cc
+++ b/deal.II/examples/step-7/step-7.cc
@@ -1528,11 +1528,21 @@ void LaplaceProblem<dim>::run ()
 				   // output. For example, if you give
 				   // ``2'', this leads to 4 cells in
 				   // 2D and 8 cells in 3D. For
-				   // quadratic elements, two sub-cells
-				   // per space direction is obviously
-				   // the right choice, so this is
-				   // what we choose:
-  unsigned int n_subcells;
+				   // quadratic elements, two
+				   // sub-cells per space direction is
+				   // obviously the right choice, so
+				   // this is what we choose (note
+				   // that the variable is initialized
+				   // anyway to avoid an error message
+				   // about possible use without
+				   // initialization in optimized
+				   // mode, where the compiler does
+				   // not abort the program in the
+				   // second `else' clause; however,
+				   // the value in the initialization
+				   // is such that it should be
+				   // invalid):
+  unsigned int n_subcells = static_cast<unsigned int>(-1);
   if (typeid(*fe) == typeid(const FEQ1<dim>))
     n_subcells = 1;
   else