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/*=============================================================================
Copyright (c) 2001-2007 Joel de Guzman
Copyright (c) 2014 John Fletcher
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)
==============================================================================*/
#include <cmath>
#include <boost/function.hpp>
#include <boost/phoenix/core.hpp>
#include <boost/phoenix/operator.hpp>
#include <boost/phoenix/stl/cmath.hpp>
#include <boost/core/lightweight_test.hpp>
int main()
{
double eps = 0.000001;
using namespace boost::phoenix::arg_names;
boost::function<bool(double, double)> f = boost::phoenix::fabs(_1 - _2) < eps;
double x = boost::phoenix::pow(_1,_2)(2.,2.);
double y = boost::phoenix::atan2(_1,_2)(1.,1.);
double z = boost::phoenix::tan(_1)(y);
BOOST_TEST(f(0.0, 0 * eps));
BOOST_TEST(!f(0.0, eps));
BOOST_TEST(std::fabs(x-4.) < eps );
BOOST_TEST(std::fabs(z-1.) < eps );
return boost::report_errors();
}
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