/usr/include/boost/tr1/detail/math_overloads.hpp is in libboost1.55-dev 1.55.0+dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | // (C) Copyright John Maddock 2005.
// Use, modification and distribution are subject to 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)
#ifndef BOOST_TR1_MATH_OVERLOADS_HPP_INCLUDED
# define BOOST_TR1_MATH_OVERLOADS_HPP_INCLUDED
# include <boost/config.hpp>
# ifndef BOOST_NO_SFINAE
# include <boost/utility/enable_if.hpp>
# include <boost/type_traits/is_convertible.hpp>
# define BOOST_TR1_MATH_RETURN(RET) typename ::boost::enable_if< ::boost::is_convertible<T,double>, RET >::type
# else
# define BOOST_TR1_MATH_RETURN(RET) RET
# endif
# include <boost/type_traits/is_floating_point.hpp>
# include <boost/type_traits/is_same.hpp>
# include <boost/mpl/if.hpp>
namespace boost{ namespace tr1_detail{
template <class T, class U>
struct largest_real
{
typedef typename boost::mpl::if_<
boost::is_same<long double, T>,
long double,
typename boost::mpl::if_<
boost::is_same<long double, U>,
long double,
typename boost::mpl::if_<
boost::is_same<double, T>,
double,
typename boost::mpl::if_<
boost::is_same<double, U>,
double,
float
>::type
>::type
>::type
>::type type;
};
template <class T, class U>
struct promote_to_real
{
typedef typename largest_real<
typename boost::mpl::if_< boost::is_floating_point<T>, T, double>::type,
typename boost::mpl::if_< boost::is_floating_point<U>, U, double>::type
>::type type;
};
} }
#endif
|