From 98a12b01b51b250d4f510878604d4047496d845d Mon Sep 17 00:00:00 2001
From: Andrey Prokopenko <andrey.prok@gmail.com>
Date: Wed, 3 Jul 2024 17:21:18 -0400
Subject: [PATCH] Fix CUDA errors in submdspan about int to size_t narrowing
 (#350)

Co-authored-by: Christian Trott <crtrott@sandia.gov>
Co-authored-by: Daniel Arndt <arndtd@ornl.gov>
---
 include/experimental/__p2630_bits/submdspan_mapping.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/experimental/__p2630_bits/submdspan_mapping.hpp b/include/experimental/__p2630_bits/submdspan_mapping.hpp
index 94763450..e1390fde 100644
--- a/include/experimental/__p2630_bits/submdspan_mapping.hpp
+++ b/include/experimental/__p2630_bits/submdspan_mapping.hpp
@@ -131,7 +131,7 @@ struct deduce_layout_left_submapping<
     IndexType, SubRank, std::index_sequence<Idx...>, SliceSpecifiers...> {
 
   using count_range = index_sequence_scan_impl<
-      0, (is_index_slice_v<SliceSpecifiers, IndexType> ? 0 : 1)...>;
+      0u, (is_index_slice_v<SliceSpecifiers, IndexType> ? 0u : 1u)...>;
 
   constexpr static int gap_len =
       (((Idx > 0 && count_range::get(Idx) == 1 &&
@@ -361,7 +361,7 @@ struct deduce_layout_right_submapping<
 
   static constexpr size_t Rank = sizeof...(Idx);
   using count_range = index_sequence_scan_impl<
-      0, (std::is_convertible_v<SliceSpecifiers, IndexType> ? 0 : 1)...>;
+      0u, (std::is_convertible_v<SliceSpecifiers, IndexType> ? 0u : 1u)...>;
   //__static_partial_sums<!std::is_convertible_v<SliceSpecifiers,
   // IndexType>...>;
   constexpr static int gap_len =