55 lines
1.0 KiB
C++
55 lines
1.0 KiB
C++
// (C) Copyright John Maddock 2001.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/config for most recent version.
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// MACRO: BOOST_NO_INTEGRAL_INT64_T
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// TITLE: long long and integral constant expressions
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// DESCRIPTION: The platform supports long long in integral constant expressions.
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#include <cstdlib>
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namespace boost_no_integral_int64_t{
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#ifdef BOOST_NO_INCLASS_MEMBER_INITIALIZATION
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enum{ mask = 1uLL << 50 };
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template <unsigned long long m>
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struct llt
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{
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enum{ value = m };
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};
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#else
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#ifdef __GNUC__
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__extension__
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#endif
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static const unsigned long long mask = 1uLL << 50;
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#ifdef __GNUC__
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__extension__
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#endif
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template <unsigned long long m>
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struct llt
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{
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#ifdef __GNUC__
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__extension__
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#endif
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static const unsigned long long value = m;
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};
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#endif
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int test()
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{
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return llt<mask>::value != (1uLL << 50);
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}
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}
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