Boost.Math's test data doesn't go much beyond 35 digits (for good reason, some compilers
choke when attempting to parse higher precision numbers as double's).
+
+// Copyright 2018 John Maddock. Distributed under the Boost
+// Software License, Version 1.0. (See accompanying file
+// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+