#include <boost/spirit/include/phoenix_core.hpp>
#include <boost/spirit/include/phoenix_operator.hpp>
//#include <boost/phoenix/core.hpp>
//#include <boost/phoenix/operator.hpp>
#include <cassert>
#include <cmath>

int main()
{
  using namespace boost::phoenix::arg_names;
  const float x = 1.0f;
  const float y = 1.0f;
  assert(std::abs((arg1+arg2)(x,y)-2.0f)<1e-8);
}