Changelog entry

diff --git a/doc/news/changes/minor/20211012MartinKronbichler b/doc/news/changes/minor/20211012MartinKronbichler
new file mode 100644 (file)
index 0000000..d2b39a0
--- /dev/null
+++ b/doc/news/changes/minor/20211012MartinKronbichler
@@ -0,0 +1,6 @@
+Improved: PreconditionChebyshev can now run the vector updates on a part of
+the vector for better data locality. The prerequisite is an associated
+`MatrixType` class to provide a `vmult` class with two `std::function` objects
+to specify the operation before and after the matrix-vector product.
+<br>
+(Martin Kronbichler, 2021/10/12)