From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Wed, 18 Dec 2024 03:43:05 +0000 (-0700)
Subject: Avoid the final incorrect use of std::is_trivial.
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F17938%2Fhead;p=dealii.git

Avoid the final incorrect use of std::is_trivial.
---

diff --git a/include/deal.II/lac/vector_operations_internal.h b/include/deal.II/lac/vector_operations_internal.h
index cdbeacc223..a59e9d9354 100644
--- a/include/deal.II/lac/vector_operations_internal.h
+++ b/include/deal.II/lac/vector_operations_internal.h
@@ -210,14 +210,9 @@ namespace internal
         Assert(end >= begin, ExcInternalError());
 
         if (value == Number())
-          {
-            if constexpr (std::is_trivial_v<Number>)
-              {
-                std::memset(dst + begin, 0, sizeof(Number) * (end - begin));
-                return;
-              }
-          }
-        std::fill(dst + begin, dst + end, value);
+          std::fill(dst + begin, dst + end, Number());
+        else
+          std::fill(dst + begin, dst + end, value);
       }
 
       const Number  value;