From: wolf <wolf@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Fri, 6 Jul 2001 07:40:41 +0000 (+0000)
Subject: Save vmult in CG if starting vector is zero.
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e6a35ea87924c10dc2f43dea6149a9bf88cb130d;p=dealii-svn.git

Save vmult in CG if starting vector is zero.


git-svn-id: https://svn.dealii.org/trunk@4825 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/deal.II/doc/news/2001/c-3-1.html b/deal.II/doc/news/2001/c-3-1.html
index d9b79ea983..d2b13eb0ef 100644
--- a/deal.II/doc/news/2001/c-3-1.html
+++ b/deal.II/doc/news/2001/c-3-1.html
@@ -305,6 +305,15 @@ documentation, etc</a>.
 <h3>lac</h3>
 
 <ol>
+  <li> <p>
+       Changed: The <code class="class">SolverCG</code> class now
+       saves the initial matrix vector product if the initial value of
+       the solution is vector is zero, as it is common practice to use
+       this is starting vector.
+       <br>
+       (WB 2001/06/25)
+       </p>
+
   <li> <p>
        New: <code class="member">SparsityPattern::reinit</code> no
        more throws an error if the given maximal row lengths are all