#include <boost/test/tools/floating_point_comparison.hpp>
#include <boost/array.hpp>
-#include <boost/lexical_cast.hpp>
#include <boost/type_traits/is_constructible.hpp>
#include <boost/math/special_functions/fpclassify.hpp> // isnan, isfinite.
#include <boost/math/special_functions/next.hpp> // float_next, float_prior