From: wolf <wolf@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Fri, 26 Mar 2004 17:24:40 +0000 (+0000)
Subject: Clarify docs.
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=05d8faef8a0afc0a69c3e9cc8a8aff386470ac5d;p=dealii-svn.git

Clarify docs.


git-svn-id: https://svn.dealii.org/trunk@8880 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/deal.II/deal.II/include/dofs/dof_constraints.h b/deal.II/deal.II/include/dofs/dof_constraints.h
index c80543bef5..4187cf222c 100644
--- a/deal.II/deal.II/include/dofs/dof_constraints.h
+++ b/deal.II/deal.II/include/dofs/dof_constraints.h
@@ -67,7 +67,11 @@ class BlockIndices;
  * the values of constrained nodes from the values of the unconstrained ones
  * using the distribute() function. Note that the condense() function is
  * applied to matrix and right hand side of the linear system, while the
- * distribute() function is applied to the solution vector.
+ * distribute() function is applied to the solution vector. Note also that the
+ * distribute_local_to_global() functions discussed below are equivalent to
+ * condense() functions, and are thus to be applied to matrices and right hand
+ * side vectors, and are not to be confused with the distribute() function
+ * which has to applied to the solution vector.
  *
  *
  * @sect3{Condensing matrices and sparsity patterns}
@@ -169,6 +173,12 @@ class BlockIndices;
  * distribute_local_to_global() functions of this class, which make a
  * subsequent call to condense() unnecessary.
  *
+ * Note that, despite their name which describes what the function really
+ * does, the distribute_local_to_global() functions has to be applied to
+ * matrices and right hand side vectors, whereas the distribute() function
+ * discussed below is applied to the solution vector after solving the linear
+ * system.
+ * 
  * 
  * @sect3{Distributing constraints}
  *