From 6af58ba9d758bad99edf77ce4c5609250264cd2e Mon Sep 17 00:00:00 2001
From: Vukasin Milovanovic <vukasin.milovanovic.87@gmail.com>
Date: Tue, 1 Mar 2022 11:27:28 -0800
Subject: [PATCH] add comment

---
 cpp/benchmarks/common/generate_input.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cpp/benchmarks/common/generate_input.hpp b/cpp/benchmarks/common/generate_input.hpp
index f39a9ae18cd..5246de00a73 100644
--- a/cpp/benchmarks/common/generate_input.hpp
+++ b/cpp/benchmarks/common/generate_input.hpp
@@ -114,6 +114,7 @@ std::pair<int64_t, int64_t> default_range()
 template <typename T, std::enable_if_t<cudf::is_numeric<T>()>* = nullptr>
 std::pair<T, T> default_range()
 {
+  // Limits need to be such that `upper - lower` does not overflow
   return {std::numeric_limits<T>::lowest() / 2, std::numeric_limits<T>::max() / 2};
 }
 }  // namespace