From: Stefano Zampini <stefano.zampini@gmail.com>
Date: Thu, 20 Apr 2023 09:36:01 +0000 (+0300)
Subject: Reword docs
X-Git-Tag: v9.5.0-rc1~307^2~1
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a5b5df5ecbdcad1321db3dbed7ccda25d2bb00e8;p=dealii.git

Reword docs
---

diff --git a/include/deal.II/lac/petsc_block_sparse_matrix.h b/include/deal.II/lac/petsc_block_sparse_matrix.h
index 63b9edab52..279301e129 100644
--- a/include/deal.II/lac/petsc_block_sparse_matrix.h
+++ b/include/deal.II/lac/petsc_block_sparse_matrix.h
@@ -264,9 +264,6 @@ namespace PETScWrappers
        * Call the compress() function on all the subblocks of the matrix
        * and update the internal state of the PETSc object.
        *
-       * This functionality is needed because PETSc may use this information
-       * to decide whether or not to rebuild the preconditioner.
-       *
        * See
        * @ref GlossCompress "Compressing distributed objects"
        * for more information.
diff --git a/include/deal.II/lac/petsc_block_vector.h b/include/deal.II/lac/petsc_block_vector.h
index cc751022a3..35b3d48591 100644
--- a/include/deal.II/lac/petsc_block_vector.h
+++ b/include/deal.II/lac/petsc_block_vector.h
@@ -259,9 +259,6 @@ namespace PETScWrappers
        * Call the compress() function on all the subblocks of the vector
        * and update the internal state of the nested PETSc vector.
        *
-       * This functionality is needed because PETSc may cache vector norms for
-       * performance reasons.
-       *
        * See
        * @ref GlossCompress "Compressing distributed objects"
        * for more information.