Add a missing MPI_InitFinalize.

This is now required in SUNDIALS 6 since SUNContext objects duplicate MPI
communicators.

diff --git a/tests/sundials/arkode_08.cc b/tests/sundials/arkode_08.cc
index f10fdf9d49d454c985be0d98cf5849a33338439f..3dfa856ef301808999eac9e0176c9f8959222779 100644 (file)
--- a/tests/sundials/arkode_08.cc
+++ b/tests/sundials/arkode_08.cc
@@ -51,6 +51,9 @@ main(int argc, char **argv)
 {
   initlog();
 
+  Utilities::MPI::MPI_InitFinalize mpi_initialization(
+    argc, argv, numbers::invalid_unsigned_int);
+
   using VectorType = Vector<double>;
 
   ParameterHandler                             prm;