1 files changed, 31 insertions, 0 deletions
diff --git a/boost/math/special_functions/log1p.hpp b/boost/math/special_functions/log1p.hpp
index 9bae7165e4..989bdc21b6 100644
--- a/boost/math/special_functions/log1p.hpp
+++ b/boost/math/special_functions/log1p.hpp
@@ -258,6 +258,34 @@ T log1p_imp(T const& x, const Policy& pol, const mpl::int_<24>&)
    return result;
 }
 
+template <class T, class Policy, class tag>
+struct log1p_initializer
+{
+   struct init
+   {
+      init()
+      {
+         do_init(tag());
+      }
+      template <int N>
+      static void do_init(const mpl::int_<N>&){}
+      static void do_init(const mpl::int_<64>&)
+      {
+         boost::math::log1p(static_cast<T>(0.25), Policy());
+      }
+      void force_instantiate()const{}
+   };
+   static const init initializer;
+   static void force_instantiate()
+   {
+      initializer.force_instantiate();
+   }
+};
+
+template <class T, class Policy, class tag>
+const typename log1p_initializer<T, Policy, tag>::init log1p_initializer<T, Policy, tag>::initializer;
+
+
 } // namespace detail
 
 template <class T, class Policy>
@@ -286,6 +314,9 @@ inline typename tools::promote_args<T>::type log1p(T x, const Policy&)
          >::type
       >::type
    >::type tag_type;
+
+   detail::log1p_initializer<value_type, forwarding_policy, tag_type>::force_instantiate();
+
    return policies::checked_narrowing_cast<result_type, forwarding_policy>(
       detail::log1p_imp(static_cast<value_type>(x), forwarding_policy(), tag_type()), "boost::math::log1p<%1%>(%1%)");
 }