From: Matthias Maier <tamiko@43-1.org>
Date: Thu, 3 May 2018 03:22:29 +0000 (-0500)
Subject: deprecate MeanValueFilter
X-Git-Tag: v9.0.0-rc1~28^2~3
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=64011bfdccbfbc9f822368f33a2382cd120ed39a;p=dealii.git

deprecate MeanValueFilter
---

diff --git a/include/deal.II/lac/matrix_lib.h b/include/deal.II/lac/matrix_lib.h
index 5cf1354178..b1ab76f502 100644
--- a/include/deal.II/lac/matrix_lib.h
+++ b/include/deal.II/lac/matrix_lib.h
@@ -45,9 +45,13 @@ template <typename number> class SparseMatrix;
  * 1n {\mathbf v} \cdot {\mathbf 1}_n\right]{\mathbf 1}_n$ subtracts from every
  * vector element the mean value of all elements.
  *
+ * @deprecated Use a LinearOperator, or a BlockLinearOperator instead. you
+ * can construct such a filter by using mean_value_filter, or
+ * block_diagonal_operator (with a mean_value_filter block), respectively.
+ *
  * @author Guido Kanschat, 2002, 2003
  */
-class MeanValueFilter : public Subscriptor
+class DEAL_II_DEPRECATED MeanValueFilter : public Subscriptor
 {
 public:
   /**