Use concepts and add default template type

cppalliance · May 29, 2024 · 37c5873 · 37c5873
1 parent 73c8f7c
commit 37c5873
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/include/boost/decimal/detail/cmath/riemann_zeta.hpp b/include/boost/decimal/detail/cmath/riemann_zeta.hpp
@@ -217,9 +217,9 @@ constexpr auto riemann_zeta(T x) noexcept
     return static_cast<T>(detail::riemann_zeta_impl(static_cast<evaluation_type>(x)));
 }
 
-BOOST_DECIMAL_EXPORT template <typename T, typename IntegralType>
+BOOST_DECIMAL_EXPORT template <typename T = decimal64, typename IntegralType>
 constexpr auto riemann_zeta(IntegralType n) noexcept
-    -> typename std::enable_if<detail::is_decimal_floating_point_v<T> && std::is_integral<IntegralType>::value, T>::type
+    BOOST_DECIMAL_REQUIRES_TWO_RETURN(detail::is_decimal_floating_point_v, T, detail::is_integral_v, IntegralType, T)
 {
     #if BOOST_DECIMAL_DEC_EVAL_METHOD == 0