/* boost integer_traits.hpp header file
*
* Copyright Jens Maurer 2000
- * Permission to use, copy, modify, sell, and distribute this software
- * is hereby granted without fee provided that the above copyright notice
- * appears in all copies and that both that copyright notice and this
- * permission notice appear in supporting documentation,
+ * 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)
*
- * Jens Maurer makes no representations about the suitability of this
- * software for any purpose. It is provided "as is" without express or
- * implied warranty.
- *
- * $Id: integer_traits.hpp,v 1.3 2002/06/16 13:12:16 lyx Exp $
+ * $Id: integer_traits.hpp 72951 2011-07-07 04:57:37Z steven_watanabe $
*
* Idea by Beman Dawes, Ed Brey, Steve Cleary, and Nathan Myers
*/
+// See http://www.boost.org/libs/integer for documentation.
+
+
#ifndef BOOST_INTEGER_TRAITS_HPP
#define BOOST_INTEGER_TRAITS_HPP
// These are an implementation detail and not part of the interface
#include <limits.h>
-#if !defined(BOOST_NO_INTRINSIC_WCHAR_T) && !defined(BOOST_NO_CWCHAR)
+// we need wchar.h for WCHAR_MAX/MIN but not all platforms provide it,
+// and some may have <wchar.h> but not <cwchar> ...
+#if !defined(BOOST_NO_INTRINSIC_WCHAR_T) && (!defined(BOOST_NO_CWCHAR) || defined(sun) || defined(__sun) || defined(__QNX__))
#include <wchar.h>
#endif
+//
+// We simply cannot include this header on gcc without getting copious warnings of the kind:
+//
+// ../../../boost/integer_traits.hpp:164:66: warning: use of C99 long long integer constant
+//
+// And yet there is no other reasonable implementation, so we declare this a system header
+// to suppress these warnings.
+//
+#if defined(__GNUC__) && (__GNUC__ >= 4)
+#pragma GCC system_header
+#endif
namespace boost {
template<class T>
template<>
class integer_traits<wchar_t>
: public std::numeric_limits<wchar_t>,
-#if defined(WCHAR_MIN) && defined(WCHAR_MAX)
+ // Don't trust WCHAR_MIN and WCHAR_MAX with Mac OS X's native
+ // library: they are wrong!
+#if defined(WCHAR_MIN) && defined(WCHAR_MAX) && !defined(__APPLE__)
public detail::integer_traits_base<wchar_t, WCHAR_MIN, WCHAR_MAX>
#elif defined(__BORLANDC__) || defined(__CYGWIN__) || defined(__MINGW32__) || (defined(__BEOS__) && defined(__GNUC__))
// No WCHAR_MIN and WCHAR_MAX, whar_t is short and unsigned:
public detail::integer_traits_base<wchar_t, 0, 0xffff>
-#elif (defined(__sgi) && (!defined(__SGI_STL_PORT) || __SGI_STL_PORT < 0x400)) || (defined __APPLE__) || (defined(__FreeBSD__) && defined(__GNUC__)) || (defined(__hpux) && defined(__GNUC__) && (__GNUC__ == 3) && !defined(__SGI_STL_PORT))
+#elif (defined(__sgi) && (!defined(__SGI_STL_PORT) || __SGI_STL_PORT < 0x400))\
+ || (defined __APPLE__)\
+ || (defined(__OpenBSD__) && defined(__GNUC__))\
+ || (defined(__NetBSD__) && defined(__GNUC__))\
+ || (defined(__FreeBSD__) && defined(__GNUC__))\
+ || (defined(__DragonFly__) && defined(__GNUC__))\
+ || (defined(__hpux) && defined(__GNUC__) && (__GNUC__ == 3) && !defined(__SGI_STL_PORT))
// No WCHAR_MIN and WCHAR_MAX, wchar_t has the same range as int.
// - SGI MIPSpro with native library
// - gcc 3.x on HP-UX
// - Mac OS X with native library
- // - gcc on FreeBSD
+ // - gcc on FreeBSD, OpenBSD and NetBSD
public detail::integer_traits_base<wchar_t, INT_MIN, INT_MAX>
#elif defined(__hpux) && defined(__GNUC__) && (__GNUC__ == 2) && !defined(__SGI_STL_PORT)
// No WCHAR_MIN and WCHAR_MAX, wchar_t has the same range as unsigned int.
public detail::integer_traits_base<unsigned long, 0, ULONG_MAX>
{ };
-#if defined(ULLONG_MAX) && !defined(__SUNPRO_CC)
+#if !defined(BOOST_NO_INTEGRAL_INT64_T) && !defined(BOOST_NO_INT64_T)
+#if defined(ULLONG_MAX) && defined(BOOST_HAS_LONG_LONG)
+
+template<>
+class integer_traits< ::boost::long_long_type>
+ : public std::numeric_limits< ::boost::long_long_type>,
+ public detail::integer_traits_base< ::boost::long_long_type, LLONG_MIN, LLONG_MAX>
+{ };
+
+template<>
+class integer_traits< ::boost::ulong_long_type>
+ : public std::numeric_limits< ::boost::ulong_long_type>,
+ public detail::integer_traits_base< ::boost::ulong_long_type, 0, ULLONG_MAX>
+{ };
+
+#elif defined(ULONG_LONG_MAX) && defined(BOOST_HAS_LONG_LONG)
+
+template<>
+class integer_traits< ::boost::long_long_type> : public std::numeric_limits< ::boost::long_long_type>, public detail::integer_traits_base< ::boost::long_long_type, LONG_LONG_MIN, LONG_LONG_MAX>{ };
+template<>
+class integer_traits< ::boost::ulong_long_type>
+ : public std::numeric_limits< ::boost::ulong_long_type>,
+ public detail::integer_traits_base< ::boost::ulong_long_type, 0, ULONG_LONG_MAX>
+{ };
+
+#elif defined(ULONGLONG_MAX) && defined(BOOST_HAS_LONG_LONG)
+
+template<>
+class integer_traits< ::boost::long_long_type>
+ : public std::numeric_limits< ::boost::long_long_type>,
+ public detail::integer_traits_base< ::boost::long_long_type, LONGLONG_MIN, LONGLONG_MAX>
+{ };
+
template<>
-class integer_traits<long long>
- : public std::numeric_limits<long long>,
- public detail::integer_traits_base<long long, LLONG_MIN, LLONG_MAX>
+class integer_traits< ::boost::ulong_long_type>
+ : public std::numeric_limits< ::boost::ulong_long_type>,
+ public detail::integer_traits_base< ::boost::ulong_long_type, 0, ULONGLONG_MAX>
{ };
+
+#elif defined(_LLONG_MAX) && defined(_C2) && defined(BOOST_HAS_LONG_LONG)
+
template<>
-class integer_traits<unsigned long long>
- : public std::numeric_limits<unsigned long long>,
- public detail::integer_traits_base<unsigned long long, 0, ULLONG_MAX>
+class integer_traits< ::boost::long_long_type>
+ : public std::numeric_limits< ::boost::long_long_type>,
+ public detail::integer_traits_base< ::boost::long_long_type, -_LLONG_MAX - _C2, _LLONG_MAX>
{ };
-#elif defined(ULONG_LONG_MAX)
+
template<>
-class integer_traits<long long>
- : public std::numeric_limits<long long>,
- public detail::integer_traits_base<long long, LONG_LONG_MIN, LONG_LONG_MAX>
+class integer_traits< ::boost::ulong_long_type>
+ : public std::numeric_limits< ::boost::ulong_long_type>,
+ public detail::integer_traits_base< ::boost::ulong_long_type, 0, _ULLONG_MAX>
{ };
+
+#elif defined(BOOST_HAS_LONG_LONG)
+//
+// we have long long but no constants, this happens for example with gcc in -ansi mode,
+// we'll just have to work out the values for ourselves (assumes 2's compliment representation):
+//
template<>
-class integer_traits<unsigned long long>
- : public std::numeric_limits<unsigned long long>,
- public detail::integer_traits_base<unsigned long long, 0, ULONG_LONG_MAX>
+class integer_traits< ::boost::long_long_type>
+ : public std::numeric_limits< ::boost::long_long_type>,
+ public detail::integer_traits_base< ::boost::long_long_type, (1LL << (sizeof(::boost::long_long_type) * CHAR_BIT - 1)), ~(1LL << (sizeof(::boost::long_long_type) * CHAR_BIT - 1))>
{ };
-#elif defined(ULONGLONG_MAX) && !defined(BOOST_MSVC) && !defined(__BORLANDC__)
+
template<>
-class integer_traits<long long>
- : public std::numeric_limits<long long>,
- public detail::integer_traits_base<long long, LONGLONG_MIN, LONGLONG_MAX>
+class integer_traits< ::boost::ulong_long_type>
+ : public std::numeric_limits< ::boost::ulong_long_type>,
+ public detail::integer_traits_base< ::boost::ulong_long_type, 0, ~0uLL>
{ };
+
+#elif defined(BOOST_HAS_MS_INT64)
+
+template<>
+class integer_traits< __int64>
+ : public std::numeric_limits< __int64>,
+ public detail::integer_traits_base< __int64, _I64_MIN, _I64_MAX>
+{ };
+
template<>
-class integer_traits<unsigned long long>
- : public std::numeric_limits<unsigned long long>,
- public detail::integer_traits_base<unsigned long long, 0, ULONGLONG_MAX>
+class integer_traits< unsigned __int64>
+ : public std::numeric_limits< unsigned __int64>,
+ public detail::integer_traits_base< unsigned __int64, 0, _UI64_MAX>
{ };
+
+#endif
#endif
} // namespace boost
#endif /* BOOST_INTEGER_TRAITS_HPP */
+
+