From: Timo Heister <timo.heister@gmail.com>
Date: Tue, 21 Jun 2016 20:12:10 +0000 (-0700)
Subject: address comment
X-Git-Tag: v8.5.0-rc1~967^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F2690%2Fhead;p=dealii.git

address comment
---

diff --git a/include/deal.II/lac/dynamic_sparsity_pattern.h b/include/deal.II/lac/dynamic_sparsity_pattern.h
index c2e35819af..c1d1d62d39 100644
--- a/include/deal.II/lac/dynamic_sparsity_pattern.h
+++ b/include/deal.II/lac/dynamic_sparsity_pattern.h
@@ -1085,10 +1085,11 @@ DynamicSparsityPattern::begin (const size_type r) const
     }
 
   // Without an index set we have to do a linear search starting at
-  // row r until we find a non-empty one
+  // row r until we find a non-empty one. We will check the lines vector
+  // directly instead of going through the slower row_length() function
   size_type row = r;
 
-  while (row<n_rows() && row_length(row)==0)
+  while (row<n_rows() && lines[row].entries.size()==0)
     {
       ++row;
     }