From 6c4436e1f9ec0a2fcd40cdf2692beea14074e459 Mon Sep 17 00:00:00 2001
From: Luca Fedeli <luca.fedeli@cea.fr>
Date: Thu, 14 Sep 2023 08:38:12 +0900
Subject: Clang tidy CI test: add misc-definitions-in-headers check (#4253)

* Clang-tidy: add misc-definitions-in-headers check

* address issues found with clang-tidy

* remove std::cout added for debug purposes

* add back newline
---
 Source/Particles/Sorting/SortingUtils.cpp | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 Source/Particles/Sorting/SortingUtils.cpp

(limited to 'Source/Particles/Sorting/SortingUtils.cpp')

diff --git a/Source/Particles/Sorting/SortingUtils.cpp b/Source/Particles/Sorting/SortingUtils.cpp
new file mode 100644
index 000000000..699119e8e
--- /dev/null
+++ b/Source/Particles/Sorting/SortingUtils.cpp
@@ -0,0 +1,22 @@
+/* Copyright 2019-2020 Andrew Myers, Maxence Thevenet, Remi Lehe
+ * Weiqun Zhang
+ *
+ * This file is part of WarpX.
+ *
+ * License: BSD-3-Clause-LBNL
+ */
+
+#include "SortingUtils.H"
+
+void fillWithConsecutiveIntegers( amrex::Gpu::DeviceVector<long>& v )
+{
+#ifdef AMREX_USE_GPU
+    // On GPU: Use amrex
+    auto data = v.data();
+    auto N = v.size();
+    AMREX_FOR_1D( N, i, {data[i] = i;});
+#else
+    // On CPU: Use std library
+    std::iota( v.begin(), v.end(), 0L );
+#endif
+}
-- 
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