From: David Wells <drwells@email.unc.edu>
Date: Thu, 22 Oct 2020 14:36:54 +0000 (-0400)
Subject: Make a template argument easier to read.
X-Git-Tag: v9.3.0-rc1~983^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=09826588b8671af039936751f228683a014eb280;p=dealii.git

Make a template argument easier to read.

clang-format gets confused here - lets just explicitly use a variable.
---

diff --git a/source/grid/grid_out.cc b/source/grid/grid_out.cc
index 16e1a7f5e8..2a6aa1cc8e 100644
--- a/source/grid/grid_out.cc
+++ b/source/grid/grid_out.cc
@@ -3223,14 +3223,13 @@ GridOut::write_vtk(const Triangulation<dim, spacedim> &tria,
     for (const auto &face : faces)
       {
         out << face->n_vertices();
+        constexpr int face_dim = dim > 1 ? dim - 1 : 1;
         for (const unsigned int i : face->vertex_indices())
           {
             out << ' '
                 << face->vertex_index(GeometryInfo<dim>::vertices_per_face ==
                                           face->n_vertices() ?
-                                        GeometryInfo < (dim > 1) ?
-                                        dim - 1 :
-                                        dim > ::ucd_to_deal[i] :
+                                        GeometryInfo<face_dim>::ucd_to_deal[i] :
                                         i);
           }
         out << '\n';