Bugfix: Fix an assert in BlockVectorBase ...

... and allow multiplication with a negative factor.

diff --git a/include/deal.II/lac/block_vector_base.h b/include/deal.II/lac/block_vector_base.h
index 49c999b37914855490f2276d12e2930453fbddbe..c7efb88bbe8989538c6229f3ebf33bb752258461 100644 (file)
--- 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;