// Copyright John Maddock 2015. // Use, modification and distribution are subject to 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) #define MATHLIB_STANDALONE #include int main() { double d = psigamma(2.0, 4); return d != 0 ? 0 : 1; }