#include <boost/math/concepts/real_concept.hpp> // for real_concept
#define BOOST_TEST_MAIN
#include <boost/test/unit_test.hpp> // Boost.Test
-#include <boost/test/floating_point_comparison.hpp>
+#include <boost/test/tools/floating_point_comparison.hpp>
#include <boost/math/distributions/gamma.hpp>
using boost::math::gamma_distribution;