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43 lines
1.0 KiB
C++
43 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_LIMITS_COMPILE_TIME_CONSTANTS
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// TITLE: compile time constants in <limits>
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// DESCRIPTION: constants such as numeric_limits<T>::is_signed
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// are not available for use at compile-time.
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#include <limits>
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namespace boost_no_limits_compile_time_constants{
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struct UDT{};
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template <int i>
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struct assert_ice
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{
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enum { value = i };
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};
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int test()
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{
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assert_ice< ::std::numeric_limits<int>::is_signed > one;
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assert_ice< ::std::numeric_limits<double>::is_specialized > two;
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assert_ice< ::std::numeric_limits<UDT>::is_specialized > three;
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assert_ice< ::std::numeric_limits<UDT>::is_signed > four;
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(void)one;
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(void)two;
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(void)three;
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(void)four;
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return 0;
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}
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}
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