From 7da3616eb7ccf4770a808f126d4b61cd7fdf7efc Mon Sep 17 00:00:00 2001
From: Tom Fischer <thomas.fischer@ufz.de>
Date: Wed, 2 Oct 2024 13:21:52 +0200
Subject: [PATCH] [MeL/IO/XDMF] Switch to data type uint64 for topology output

---
 MeshLib/IO/XDMF/transformData.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/MeshLib/IO/XDMF/transformData.cpp b/MeshLib/IO/XDMF/transformData.cpp
index f436224d83d..fe8baf973e2 100644
--- a/MeshLib/IO/XDMF/transformData.cpp
+++ b/MeshLib/IO/XDMF/transformData.cpp
@@ -375,11 +375,11 @@ XdmfHdfData transformTopology(std::vector<std::size_t> const& values,
 {
     std::string const name = "topology";
     HdfData const hdf = {
-        values.data(), values.size(),   1, name, MeshPropertyDataType::int64,
+        values.data(), values.size(),   1, name, MeshPropertyDataType::uint64,
         n_files,       chunk_size_bytes};
     XdmfData const xdmf{values.size(),
                         1,
-                        MeshPropertyDataType::int64,
+                        MeshPropertyDataType::uint64,
                         name,
                         std::nullopt,
                         3,
-- 
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