From 0ddffc25cc38d314b4ba03d84778e7352f8095b4 Mon Sep 17 00:00:00 2001
From: ckormanyos <ckormanyos@yahoo.com>
Date: Mon, 8 Sep 2025 11:31:13 +0200
Subject: [PATCH] Refactor loop for warning issue 733

---
 include/boost/multiprecision/cpp_int/bitwise.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/multiprecision/cpp_int/bitwise.hpp b/include/boost/multiprecision/cpp_int/bitwise.hpp
index da153916..3adf32a7 100644
--- a/include/boost/multiprecision/cpp_int/bitwise.hpp
+++ b/include/boost/multiprecision/cpp_int/bitwise.hpp
@@ -436,7 +436,7 @@ inline BOOST_MP_CXX14_CONSTEXPR void left_shift_generic(Int& result, double_limb
          ++i;
       }
    }
-   for (; rs - i >= static_cast<std::size_t>(static_cast<std::size_t>(2u) + offset); ++i)
+   for (; static_cast<std::ptrdiff_t>(static_cast<std::ptrdiff_t>(rs) - static_cast<std::ptrdiff_t>(i)) >= static_cast<std::ptrdiff_t>(2 + static_cast<std::ptrdiff_t>(offset)); ++i)
    {
       pr[rs - 1 - i] = pr[rs - 1 - i - offset] << shift;
       pr[rs - 1 - i] |= pr[rs - 2 - i - offset] >> (Int::limb_bits - shift);