From: Wolfgang Bangerth <bangerth@math.tamu.edu>
Date: Sun, 1 Mar 2015 16:20:47 +0000 (-0600)
Subject: Ensure we don't create a memory leak.
X-Git-Tag: v8.3.0-rc1~401^2~1
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4997ea950e836be951c613f474de178e9be88857;p=dealii.git

Ensure we don't create a memory leak.
---

diff --git a/include/deal.II/lac/vector.templates.h b/include/deal.II/lac/vector.templates.h
index 40e416589a..9aa6f0d261 100644
--- a/include/deal.II/lac/vector.templates.h
+++ b/include/deal.II/lac/vector.templates.h
@@ -2045,6 +2045,8 @@ template <typename Number>
 void
 Vector<Number>::allocate()
 {
+  // make sure that we don't create a memory leak
+  Assert (val == 0, ExcInternalError());
   val = static_cast<Number *>(_mm_malloc (sizeof(Number)*max_vec_size, 64));
   Assert (val != 0, ExcOutOfMemory());
 }
@@ -2056,6 +2058,7 @@ void
 Vector<Number>::deallocate()
 {
   _mm_free(val);
+  val = 0;
 }
 
 DEAL_II_NAMESPACE_CLOSE