diff options
Diffstat (limited to 'contrib/libstdc++/include/std/std_limits.h')
| -rw-r--r-- | contrib/libstdc++/include/std/std_limits.h | 45 |
1 files changed, 31 insertions, 14 deletions
diff --git a/contrib/libstdc++/include/std/std_limits.h b/contrib/libstdc++/include/std/std_limits.h index 7f96647f95de..d1211fdb59eb 100644 --- a/contrib/libstdc++/include/std/std_limits.h +++ b/contrib/libstdc++/include/std/std_limits.h @@ -1,6 +1,7 @@ -// The template and inlines for the -*- C++ -*- numeric_limits classes. +// The template and inlines for the numeric_limits classes. -*- C++ -*- -// Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. +// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2005 +// Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the @@ -15,7 +16,7 @@ // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING. If not, write to the Free -// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, // USA. // As a special exception, you may use this file as part of a free software @@ -27,6 +28,10 @@ // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. +/** @file limits + * This is a Standard C++ Library header. + */ + // Note: this is not a conforming implementation. // Written by Gabriel Dos Reis <gdr@codesourcery.com> @@ -35,11 +40,6 @@ // 18.2.1 // -/** @file limits - * This is a Standard C++ Library header. You should @c #include this header - * in your programs, rather than any of the "st[dl]_*.h" implementation files. - */ - #ifndef _GLIBCXX_NUMERIC_LIMITS #define _GLIBCXX_NUMERIC_LIMITS 1 @@ -147,8 +147,8 @@ (__glibcxx_digits (T) * 643 / 2136) -namespace std -{ +_GLIBCXX_BEGIN_NAMESPACE(std) + /** * @brief Describes the rounding style for floating-point types. * @@ -310,6 +310,8 @@ namespace std // Now there follow 15 explicit specializations. Yes, 15. Make sure // you get the count right. + + /// numeric_limits<bool> specialization. template<> struct numeric_limits<bool> { @@ -363,6 +365,7 @@ namespace std static const float_round_style round_style = round_toward_zero; }; + /// numeric_limits<char> specialization. template<> struct numeric_limits<char> { @@ -413,6 +416,7 @@ namespace std static const float_round_style round_style = round_toward_zero; }; + /// numeric_limits<signed char> specialization. template<> struct numeric_limits<signed char> { @@ -463,6 +467,7 @@ namespace std static const float_round_style round_style = round_toward_zero; }; + /// numeric_limits<unsigned char> specialization. template<> struct numeric_limits<unsigned char> { @@ -513,6 +518,7 @@ namespace std static const float_round_style round_style = round_toward_zero; }; + /// numeric_limits<wchar_t> specialization. template<> struct numeric_limits<wchar_t> { @@ -563,6 +569,7 @@ namespace std static const float_round_style round_style = round_toward_zero; }; + /// numeric_limits<short> specialization. template<> struct numeric_limits<short> { @@ -613,6 +620,7 @@ namespace std static const float_round_style round_style = round_toward_zero; }; + /// numeric_limits<unsigned short> specialization. template<> struct numeric_limits<unsigned short> { @@ -663,6 +671,7 @@ namespace std static const float_round_style round_style = round_toward_zero; }; + /// numeric_limits<int> specialization. template<> struct numeric_limits<int> { @@ -713,6 +722,7 @@ namespace std static const float_round_style round_style = round_toward_zero; }; + /// numeric_limits<unsigned int> specialization. template<> struct numeric_limits<unsigned int> { @@ -763,6 +773,7 @@ namespace std static const float_round_style round_style = round_toward_zero; }; + /// numeric_limits<long> specialization. template<> struct numeric_limits<long> { @@ -813,6 +824,7 @@ namespace std static const float_round_style round_style = round_toward_zero; }; + /// numeric_limits<unsigned long> specialization. template<> struct numeric_limits<unsigned long> { @@ -863,6 +875,7 @@ namespace std static const float_round_style round_style = round_toward_zero; }; + /// numeric_limits<long long> specialization. template<> struct numeric_limits<long long> { @@ -913,6 +926,7 @@ namespace std static const float_round_style round_style = round_toward_zero; }; + /// numeric_limits<unsigned long long> specialization. template<> struct numeric_limits<unsigned long long> { @@ -963,6 +977,7 @@ namespace std static const float_round_style round_style = round_toward_zero; }; + /// numeric_limits<float> specialization. template<> struct numeric_limits<float> { @@ -993,7 +1008,7 @@ namespace std static const bool has_quiet_NaN = __FLT_HAS_QUIET_NAN__; static const bool has_signaling_NaN = has_quiet_NaN; static const float_denorm_style has_denorm - = __FLT_DENORM_MIN__ ? denorm_present : denorm_absent; + = bool(__FLT_HAS_DENORM__) ? denorm_present : denorm_absent; static const bool has_denorm_loss = __glibcxx_float_has_denorm_loss; static float infinity() throw() @@ -1019,6 +1034,7 @@ namespace std #undef __glibcxx_float_traps #undef __glibcxx_float_tinyness_before + /// numeric_limits<double> specialization. template<> struct numeric_limits<double> { @@ -1049,7 +1065,7 @@ namespace std static const bool has_quiet_NaN = __DBL_HAS_QUIET_NAN__; static const bool has_signaling_NaN = has_quiet_NaN; static const float_denorm_style has_denorm - = __DBL_DENORM_MIN__ ? denorm_present : denorm_absent; + = bool(__DBL_HAS_DENORM__) ? denorm_present : denorm_absent; static const bool has_denorm_loss = __glibcxx_double_has_denorm_loss; static double infinity() throw() @@ -1075,6 +1091,7 @@ namespace std #undef __glibcxx_double_traps #undef __glibcxx_double_tinyness_before + /// numeric_limits<long double> specialization. template<> struct numeric_limits<long double> { @@ -1105,7 +1122,7 @@ namespace std static const bool has_quiet_NaN = __LDBL_HAS_QUIET_NAN__; static const bool has_signaling_NaN = has_quiet_NaN; static const float_denorm_style has_denorm - = __LDBL_DENORM_MIN__ ? denorm_present : denorm_absent; + = bool(__LDBL_HAS_DENORM__) ? denorm_present : denorm_absent; static const bool has_denorm_loss = __glibcxx_long_double_has_denorm_loss; @@ -1132,7 +1149,7 @@ namespace std #undef __glibcxx_long_double_traps #undef __glibcxx_long_double_tinyness_before -} // namespace std +_GLIBCXX_END_NAMESPACE #undef __glibcxx_signed #undef __glibcxx_min |