From 05d8faef8a0afc0a69c3e9cc8a8aff386470ac5d Mon Sep 17 00:00:00 2001 From: wolf Date: Fri, 26 Mar 2004 17:24:40 +0000 Subject: [PATCH] Clarify docs. git-svn-id: https://svn.dealii.org/trunk@8880 0785d39b-7218-0410-832d-ea1e28bc413d --- deal.II/deal.II/include/dofs/dof_constraints.h | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) 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} * -- 2.39.5