Change function signature to take the enum class

Author: mborland

include/boost/decimal/decimal32_t.hpp

@@ -41,6 +41,7 @@
 #include <boost/decimal/detail/to_chars_result.hpp>
 #include <boost/decimal/detail/chars_format.hpp>
 #include <boost/decimal/detail/from_string.hpp>
+#include <boost/decimal/detail/construction_sign.hpp>
 
 #ifndef BOOST_DECIMAL_BUILD_MODULE
 
@@ -297,7 +298,7 @@ BOOST_DECIMAL_EXPORT class decimal32_t final // NOLINT(cppcoreguidelines-special
     #else
     template <typename T1, typename T2, std::enable_if_t<detail::is_unsigned_v<T1> && detail::is_integral_v<T2>, bool> = true>
     #endif
-    constexpr decimal32_t(T1 coeff, T2 exp, bool is_negative = false) noexcept;
+    constexpr decimal32_t(T1 coeff, T2 exp, detail::construction_sign_wrapper resultant_sign = construction_sign::positive) noexcept;
 
     #ifdef BOOST_DECIMAL_HAS_CONCEPTS
     template <BOOST_DECIMAL_SIGNED_INTEGRAL T1, BOOST_DECIMAL_INTEGRAL T2>
@@ -651,11 +652,12 @@ template <BOOST_DECIMAL_UNSIGNED_INTEGRAL T1, BOOST_DECIMAL_INTEGRAL T2>
 #else
 template <typename T1, typename T2, std::enable_if_t<detail::is_unsigned_v<T1> && detail::is_integral_v<T2>, bool>>
 #endif
-constexpr decimal32_t::decimal32_t(T1 coeff, T2 exp, bool is_negative) noexcept // NOLINT(readability-function-cognitive-complexity,misc-no-recursion)
+constexpr decimal32_t::decimal32_t(T1 coeff, T2 exp, const detail::construction_sign_wrapper resultant_sign) noexcept // NOLINT(readability-function-cognitive-complexity,misc-no-recursion)
 {
     static_assert(detail::is_integral_v<T1>, "Coefficient must be an integer");
     static_assert(detail::is_integral_v<T2>, "Exponent must be an integer");
 
+    const auto is_negative {static_cast<bool>(resultant_sign)};
     bits_ = is_negative ? detail::d32_sign_mask : UINT32_C(0);
 
     // If the coeff is not in range, make it so