Apply suggestions from code review

Co-authored-by: David Wells <drwells@email.unc.edu>

diff --git a/doc/news/changes/minor/20221220StefanoZampini b/doc/news/changes/minor/20221220StefanoZampini
index ef85a859634a47edd9636a111ee059a6fcf6b828..f21b3b552c6b72222b73cae0c376234d122dfad8 100644 (file)
--- 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 6bcede476fd0e8da70fb62668fb530ce3228dc5a..e9b2b5fb011633cd05b4c3c4250f60cdc160e20e 100644 (file)
--- 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 =