gcd.h

 
//          Copyright John McFarlane 2018.
// 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)
 
#if !defined(CNL_IMPL_FRACTION_GCD_H)
#define CNL_IMPL_FRACTION_GCD_H
 
#include "definition.h"
 
#include <numeric>
 
namespace cnl {
    namespace _impl {
        template<typename Numerator, typename Denominator>
        [[nodiscard]] constexpr auto gcd(fraction<Numerator, Denominator> const& f)
        {
            using std::gcd;
            return gcd(f.numerator, f.denominator);
        }
    }
}
 
#endif  // CNL_IMPL_FRACTION_GCD_H