From: David Wells <drwells@email.unc.edu>
Date: Sat, 11 Nov 2023 17:18:35 +0000 (-0500)
Subject: SymmetricTensor: don't call DEAL_II_CONSTEXPR from constexpr.
X-Git-Tag: relicensing~304^2~2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d7abe92ba33ed453857f6b63ff662dc8631179b;p=dealii.git

SymmetricTensor: don't call DEAL_II_CONSTEXPR from constexpr.

This isn't guaranteed to work.
---

diff --git a/include/deal.II/base/symmetric_tensor.h b/include/deal.II/base/symmetric_tensor.h
index 33265eff9e..5bf97c94b5 100644
--- a/include/deal.II/base/symmetric_tensor.h
+++ b/include/deal.II/base/symmetric_tensor.h
@@ -2055,8 +2055,9 @@ namespace internal
               if (indices[0] == indices[1])
                 return indices[0];
 
-              TableIndices<2> sorted_indices(indices);
-              sorted_indices.sort();
+              const TableIndices<2> sorted_indices(
+                std::min(indices[0], indices[1]),
+                std::max(indices[0], indices[1]));
 
               for (unsigned int d = 0, c = 0; d < dim; ++d)
                 for (unsigned int e = d + 1; e < dim; ++e, ++c)