boost/chrono/detail/is_evenly_divisible_by.hpp

//  is_evenly_divisible_by.hpp  --------------------------------------------------------------//

//  Copyright 2009-2010 Vicente J. Botet Escriba

//  Distributed under the Boost Software License, Version 1.0.
//  See http://www.boost.org/LICENSE_1_0.txt

#ifndef BOOST_CHRONO_DETAIL_IS_EVENLY_DIVISIBLE_BY_HPP
#define BOOST_CHRONO_DETAIL_IS_EVENLY_DIVISIBLE_BY_HPP

#include <boost/chrono/config.hpp>

#include <boost/mpl/logical.hpp>
#include <boost/ratio/ratio.hpp>


namespace boost {
namespace chrono {
namespace chrono_detail {

  template <class R1, class R2>
  struct is_evenly_divisible_by : public boost::mpl::bool_ < ratio_divide<R1, R2>::type::den == 1 > 
  {}; 

} // namespace chrono_detail
} // namespace detail
} // namespace chrono

#endif // BOOST_CHRONO_DETAIL_IS_EVENLY_DIVISIBLE_BY_HPP