From 3407218bf61fb67b35d10e3f8b24ee182be27826 Mon Sep 17 00:00:00 2001
From: wolf <wolf@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Thu, 30 Aug 2001 10:00:04 +0000
Subject: [PATCH] Dont throw an exception any more of we enter
 ConstraintMatrix::close and the matrix is closed already. Simply return then.

git-svn-id: https://svn.dealii.org/trunk@4923 0785d39b-7218-0410-832d-ea1e28bc413d
---
 .../deal.II/include/dofs/dof_constraints.h    | 30 +++++++++++--------
 deal.II/doc/news/2001/c-3-1.html              |  8 +++++
 2 files changed, 26 insertions(+), 12 deletions(-)

diff --git a/deal.II/deal.II/include/dofs/dof_constraints.h b/deal.II/deal.II/include/dofs/dof_constraints.h
index ead4f6daf0..e125261517 100644
--- a/deal.II/deal.II/include/dofs/dof_constraints.h
+++ b/deal.II/deal.II/include/dofs/dof_constraints.h
@@ -161,20 +161,26 @@ class ConstraintMatrix : public Subscriptor
 		      const std::vector<std::pair<unsigned int,double> > &col_val_pairs);
 
 				     /**
-				      * Close the filling of entries. Since the
-				      * lines of a matrix of this type are
-				      * usually filled in an arbitrary order and
-				      * since we do not want to use associative
-				      * constainers to store the lines, we need
-				      * to sort the lines and within the lines
-				      * the columns before usage of the matrix.
-				      * This is done through this function.
+				      * Close the filling of
+				      * entries. Since the lines of a
+				      * matrix of this type are
+				      * usually filled in an arbitrary
+				      * order and since we do not want
+				      * to use associative constainers
+				      * to store the lines, we need to
+				      * sort the lines and within the
+				      * lines the columns before usage
+				      * of the matrix.  This is done
+				      * through this function.
 				      *
-				      * Also, zero entries are discarded, since
-				      * they are not needed.
+				      * Also, zero entries are
+				      * discarded, since they are not
+				      * needed.
 				      *
-				      * After closing, no more entries are
-				      * accepted.
+				      * After closing, no more entries
+				      * are accepted. If the object
+				      * was already closed, then this
+				      * function returns immediately.
 				      */
     void close ();
 
diff --git a/deal.II/doc/news/2001/c-3-1.html b/deal.II/doc/news/2001/c-3-1.html
index 47587d8f4a..b81d6ad75f 100644
--- a/deal.II/doc/news/2001/c-3-1.html
+++ b/deal.II/doc/news/2001/c-3-1.html
@@ -573,6 +573,14 @@ documentation, etc</a>.
 <h3>deal.II</h3>
 
 <ol>
+  <li> <p> 
+       New: <code class="member">ConstraintMatrix::close</code>
+       now simply returns instead of throwing an exception, if the
+       matrix was already closed.
+       <br>
+       (WB 2001/08/30)
+       </p>
+
   <li> <p>
        New: Member function
        <code class="member">ConstraintMatrix::is_identity_constrained</code>.
-- 
2.39.5