WSJT-X/boost/libs/config/test/boost_no_integral_int64_t.ipp

55 lines
1.0 KiB
C++

// (C) Copyright John Maddock 2001.
// 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)
// See http://www.boost.org/libs/config for most recent version.
// MACRO: BOOST_NO_INTEGRAL_INT64_T
// TITLE: long long and integral constant expressions
// DESCRIPTION: The platform supports long long in integral constant expressions.
#include <cstdlib>
namespace boost_no_integral_int64_t{
#ifdef BOOST_NO_INCLASS_MEMBER_INITIALIZATION
enum{ mask = 1uLL << 50 };
template <unsigned long long m>
struct llt
{
enum{ value = m };
};
#else
#ifdef __GNUC__
__extension__
#endif
static const unsigned long long mask = 1uLL << 50;
#ifdef __GNUC__
__extension__
#endif
template <unsigned long long m>
struct llt
{
#ifdef __GNUC__
__extension__
#endif
static const unsigned long long value = m;
};
#endif
int test()
{
return llt<mask>::value != (1uLL << 50);
}
}