From 49fa9ceef08baa1426cf9eefbbf6a125b3f27864 Mon Sep 17 00:00:00 2001
From: Luca Heltai <luca.heltai@sissa.it>
Date: Tue, 20 Dec 2022 17:42:33 +0100
Subject: [PATCH] Apply suggestions from code review

Co-authored-by: David Wells <drwells@email.unc.edu>
---
 doc/news/changes/minor/20221220StefanoZampini | 2 +-
 source/lac/petsc_matrix_base.cc               | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/news/changes/minor/20221220StefanoZampini b/doc/news/changes/minor/20221220StefanoZampini
index ef85a85963..f21b3b552c 100644
--- a/doc/news/changes/minor/20221220StefanoZampini
+++ b/doc/news/changes/minor/20221220StefanoZampini
@@ -1,4 +1,4 @@
 Fixed: Small fixes to commnicator handling in PETSc classes. Move from 
 GetArray to GetArrayRead (threadsafe version).
 <br>
-(StefanZampini, 2022/12/20)
+(Stefano Zampini, 2022/12/20)
diff --git a/source/lac/petsc_matrix_base.cc b/source/lac/petsc_matrix_base.cc
index 6bcede476f..e9b2b5fb01 100644
--- a/source/lac/petsc_matrix_base.cc
+++ b/source/lac/petsc_matrix_base.cc
@@ -639,7 +639,7 @@ namespace PETScWrappers
   MatrixBase::write_ascii(const PetscViewerFormat format)
   {
     assert_is_compressed();
-    MPI_Comm comm = PetscObjectComm((PetscObject)matrix);
+    MPI_Comm comm = PetscObjectComm(reinterpret_cast<PetscObject>(matrix));
 
     // Set options
     PetscErrorCode ierr =
-- 
2.39.5