Refactor

Author: mborland

include/boost/decimal/detail/fenv_rounding.hpp

@@ -42,14 +42,6 @@ constexpr auto divmod(T dividend, T divisor) noexcept -> divmod_result<T>
     return {q, r};
 }
 
-template <typename T, std::enable_if_t<!std::is_integral<T>::value, bool> = true>
-constexpr auto divmod(T dividend, T divisor) noexcept -> divmod_result<T>
-{
-    T q {dividend / divisor};
-    T r {dividend - q * divisor};
-    return {q, r};
-}
-
 #ifdef BOOST_DECIMAL_DETAIL_INT128_HAS_INT128
 
 constexpr auto divmod(const int128::uint128_t dividend, const int128::uint128_t divisor) -> divmod_result<int128::uint128_t>
@@ -59,6 +51,15 @@ constexpr auto divmod(const int128::uint128_t dividend, const int128::uint128_t
     return {builtin_num / builtin_denom, builtin_num % builtin_denom};
 }
 
+#else
+
+constexpr auto divmod(const int128::uint128_t dividend, const int128::uint128_t divisor) noexcept -> divmod_result<int128::uint128_t>
+{
+    const auto q {dividend / divisor};
+    const auto r {dividend - q * divisor};
+    return {q, r};
+}
+
 #endif
 
 constexpr auto divmod(const u256& lhs, const u256& rhs) noexcept