From 5b078adc347379cb898c462674572d714fb2f183 Mon Sep 17 00:00:00 2001
From: MikeDvorskiy <mikhail.dvorskiy@intel.com>
Date: Fri, 29 Nov 2024 18:24:03 +0100
Subject: [PATCH] [oneDPL][ranges][merge]  support size limit for output; +
 fixes for std::min usage

---
 include/oneapi/dpl/pstl/hetero/algorithm_ranges_impl_hetero.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/oneapi/dpl/pstl/hetero/algorithm_ranges_impl_hetero.h b/include/oneapi/dpl/pstl/hetero/algorithm_ranges_impl_hetero.h
index a6654897420..b2ccccf3f30 100644
--- a/include/oneapi/dpl/pstl/hetero/algorithm_ranges_impl_hetero.h
+++ b/include/oneapi/dpl/pstl/hetero/algorithm_ranges_impl_hetero.h
@@ -54,7 +54,8 @@ template <typename _BackendTag, typename _ExecutionPolicy, typename _Function, t
 void
 __pattern_walk_n(__hetero_tag<_BackendTag>, _ExecutionPolicy&& __exec, _Function __f, _Ranges&&... __rngs)
 {
-    auto __n = std::min({__rngs.size()...});
+    using _Size = std::make_unsigned_t<std::common_type_t<oneapi::dpl::__internal::__difference_t<_Ranges>...>>;
+    auto __n = std::min({_Size(__rngs.size())...});
     if (__n > 0)
     {
         oneapi::dpl::__par_backend_hetero::__parallel_for(_BackendTag{}, ::std::forward<_ExecutionPolicy>(__exec),