From: Peter Munch <peterrmuench@gmail.com>
Date: Sun, 19 Jan 2020 07:29:19 +0000 (+0100)
Subject: Add assert to prevent floating point exception
X-Git-Tag: v9.2.0-rc1~636^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F9389%2Fhead;p=dealii.git

Add assert to prevent floating point exception
---

diff --git a/include/deal.II/base/mpi_compute_index_owner_internal.h b/include/deal.II/base/mpi_compute_index_owner_internal.h
index ba3b542c25..973dd377ab 100644
--- a/include/deal.II/base/mpi_compute_index_owner_internal.h
+++ b/include/deal.II/base/mpi_compute_index_owner_internal.h
@@ -499,7 +499,10 @@ namespace Utilities
             const unsigned int n_procs = n_mpi_processes(comm);
             const unsigned int my_rank = this_mpi_process(comm);
 
-            size             = owned_indices.size();
+            size = owned_indices.size();
+
+            Assert(size > 0, ExcNotImplemented());
+
             dofs_per_process = (size + n_procs - 1) / n_procs;
             if (dofs_per_process < range_minimum_grain_size)
               {