Fix if constexpr path for pre-c++17

mborland · mborland · commit 7d377b092558 · 2026-02-10T08:45:39.000-05:00
diff --git a/include/boost/int128/numeric.hpp b/include/boost/int128/numeric.hpp
@@ -201,7 +201,7 @@ constexpr TargetType saturate_cast(const uint128_t value) noexcept
 {
     BOOST_INT128_IF_CONSTEXPR (std::is_same<uint128_t, TargetType>::value)
     {
-        return value;
+        return static_cast<TargetType>(value);
     }
     else
     {
@@ -223,7 +223,7 @@ constexpr TargetType saturate_cast(const int128_t value) noexcept
 {
     BOOST_INT128_IF_CONSTEXPR (std::is_same<int128_t, TargetType>::value)
     {
-        return value;
+        return static_cast<TargetType>(value);
     }
     #if defined(BOOST_INT128_HAS_INT128) || defined(BOOST_INT128_HAS_MSVC_INT128)
     else BOOST_INT128_IF_CONSTEXPR (std::is_same<uint128_t, TargetType>::value || std::is_same<detail::builtin_u128, TargetType>::value)

Original file line number	Diff line number	Diff line change
`@@ -201,7 +201,7 @@ constexpr TargetType saturate_cast(const uint128_t value) noexcept`
`201`	`201`	`{`
`202`	`202`	`BOOST_INT128_IF_CONSTEXPR (std::is_same<uint128_t, TargetType>::value)`
`203`	`203`	`{`
`204`		`- return value;`
	`204`	`+ return static_cast<TargetType>(value);`
`205`	`205`	`}`
`206`	`206`	`else`
`207`	`207`	`{`
`@@ -223,7 +223,7 @@ constexpr TargetType saturate_cast(const int128_t value) noexcept`
`223`	`223`	`{`
`224`	`224`	`BOOST_INT128_IF_CONSTEXPR (std::is_same<int128_t, TargetType>::value)`
`225`	`225`	`{`
`226`		`- return value;`
	`226`	`+ return static_cast<TargetType>(value);`
`227`	`227`	`}`
`228`	`228`	`#if defined(BOOST_INT128_HAS_INT128) \|\| defined(BOOST_INT128_HAS_MSVC_INT128)`
`229`	`229`	`else BOOST_INT128_IF_CONSTEXPR (std::is_same<uint128_t, TargetType>::value \|\| std::is_same<detail::builtin_u128, TargetType>::value)`