From 13c5efbcede00de082417c32f23925cd46b5afb3 Mon Sep 17 00:00:00 2001 From: Martin Kronbichler Date: Fri, 8 Feb 2019 16:33:10 +0100 Subject: [PATCH] Add changelog. --- doc/news/changes/minor/20190208MartinKronbichler | 8 ++++++++ 1 file changed, 8 insertions(+) create mode 100644 doc/news/changes/minor/20190208MartinKronbichler diff --git a/doc/news/changes/minor/20190208MartinKronbichler b/doc/news/changes/minor/20190208MartinKronbichler new file mode 100644 index 0000000000..3a12e97374 --- /dev/null +++ b/doc/news/changes/minor/20190208MartinKronbichler @@ -0,0 +1,8 @@ +Fixed: PreconditionChebyshev would previously run one iteration more than +requested, i.e., perform `degree+1` matrix-vector products rather than +`degree` which is the convention in literature. This is now fixed. Note that +the quality of PreconditionChebyshev is obviously slightly reduced by this +change, and some solvers might need more outer iterations due to a ligher +Chebyshev iteration. +
+(Martin Kronbichler, 2019/02/08) -- 2.39.5