From b9051be7692148355deb0f0d32b2e2c066d87ad7 Mon Sep 17 00:00:00 2001
From: Matthias Maier <tamiko@43-1.org>
Date: Mon, 6 Apr 2015 21:53:07 +0200
Subject: [PATCH] Bugfix: Fix an assert in BlockVectorBase ...

... and allow multiplication with a negative factor.
---
 include/deal.II/lac/block_vector_base.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/deal.II/lac/block_vector_base.h b/include/deal.II/lac/block_vector_base.h
index 49c999b379..c7efb88bbe 100644
--- a/include/deal.II/lac/block_vector_base.h
+++ b/include/deal.II/lac/block_vector_base.h
@@ -2266,7 +2266,7 @@ BlockVectorBase<VectorType>::operator /= (const value_type factor)
 {
 
   AssertIsFinite(factor);
-  Assert (factor > 0., ExcDivideByZero() );
+  Assert (factor != 0., ExcDivideByZero() );
 
   for (size_type i=0; i<n_blocks(); ++i)
     components[i] /= factor;
-- 
2.39.5