Fix sign conversion warnings

mborland · mborland · commit c15f0a50f4ca · 2024-07-01T15:37:33.000-04:00
diff --git a/include/boost/decimal/detail/emulated128.hpp b/include/boost/decimal/detail/emulated128.hpp
@@ -1335,7 +1335,7 @@ constexpr auto operator+(const int128& lhs, const int128& rhs) noexcept -> int12
         unsigned long long high {};
 
         const auto carry {BOOST_DECIMAL_ADD_CARRY(0, lhs.low, rhs.low, &low)};
-        BOOST_DECIMAL_ADD_CARRY(carry, lhs.high, rhs.high, &high);
+        BOOST_DECIMAL_ADD_CARRY(carry, static_cast<std::uint64_t>(lhs.high), static_cast<std::uint64_t>(rhs.high), &high);
 
         return {static_cast<std::int64_t>(high), low};
     }
@@ -1366,7 +1366,6 @@ constexpr auto operator-(const int128& lhs, const int128& rhs) noexcept -> int12
     return int128{new_high, new_low};
 }
 
-
 template <>
 constexpr int countl_zero<uint128>(uint128 x) noexcept
 {

Original file line number	Diff line number	Diff line change
`@@ -1335,7 +1335,7 @@ constexpr auto operator+(const int128& lhs, const int128& rhs) noexcept -> int12`
`1335`	`1335`	`unsigned long long high {};`
`1336`	`1336`
`1337`	`1337`	`const auto carry {BOOST_DECIMAL_ADD_CARRY(0, lhs.low, rhs.low, &low)};`
`1338`		`- BOOST_DECIMAL_ADD_CARRY(carry, lhs.high, rhs.high, &high);`
	`1338`	`+ BOOST_DECIMAL_ADD_CARRY(carry, static_cast<std::uint64_t>(lhs.high), static_cast<std::uint64_t>(rhs.high), &high);`
`1339`	`1339`
`1340`	`1340`	`return {static_cast<std::int64_t>(high), low};`
`1341`	`1341`	`}`
`@@ -1366,7 +1366,6 @@ constexpr auto operator-(const int128& lhs, const int128& rhs) noexcept -> int12`
`1366`	`1366`	`return int128{new_high, new_low};`
`1367`	`1367`	`}`
`1368`	`1368`
`1369`		`-`
`1370`	`1369`	`template <>`
`1371`	`1370`	`constexpr int countl_zero<uint128>(uint128 x) noexcept`
`1372`	`1371`	`{`