diff options
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/ext/type_traits.h')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/ext/type_traits.h | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/type_traits.h b/gcc-4.4.3/libstdc++-v3/include/ext/type_traits.h deleted file mode 100644 index b24ce4e5b..000000000 --- a/gcc-4.4.3/libstdc++-v3/include/ext/type_traits.h +++ /dev/null @@ -1,204 +0,0 @@ -// -*- C++ -*- - -// Copyright (C) 2005, 2006, 2007, 2009 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 terms -// of the GNU General Public License as published by the Free Software -// Foundation; either version 3, or (at your option) any later -// version. - -// This library is distributed in the hope that it will be useful, but -// WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -// General Public License for more details. - -// Under Section 7 of GPL version 3, you are granted additional -// permissions described in the GCC Runtime Library Exception, version -// 3.1, as published by the Free Software Foundation. - -// You should have received a copy of the GNU General Public License and -// a copy of the GCC Runtime Library Exception along with this program; -// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -// <http://www.gnu.org/licenses/>. - -/** @file ext/type_traits.h - * This file is a GNU extension to the Standard C++ Library. - */ - -#ifndef _EXT_TYPE_TRAITS -#define _EXT_TYPE_TRAITS 1 - -#pragma GCC system_header - -#include <bits/c++config.h> -#include <bits/cpp_type_traits.h> - -_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx) - - // Define a nested type if some predicate holds. - template<bool, typename> - struct __enable_if - { }; - - template<typename _Tp> - struct __enable_if<true, _Tp> - { typedef _Tp __type; }; - - - // Conditional expression for types. If true, first, if false, second. - template<bool _Cond, typename _Iftrue, typename _Iffalse> - struct __conditional_type - { typedef _Iftrue __type; }; - - template<typename _Iftrue, typename _Iffalse> - struct __conditional_type<false, _Iftrue, _Iffalse> - { typedef _Iffalse __type; }; - - - // Given an integral builtin type, return the corresponding unsigned type. - template<typename _Tp> - struct __add_unsigned - { - private: - typedef __enable_if<std::__is_integer<_Tp>::__value, _Tp> __if_type; - - public: - typedef typename __if_type::__type __type; - }; - - template<> - struct __add_unsigned<char> - { typedef unsigned char __type; }; - - template<> - struct __add_unsigned<signed char> - { typedef unsigned char __type; }; - - template<> - struct __add_unsigned<short> - { typedef unsigned short __type; }; - - template<> - struct __add_unsigned<int> - { typedef unsigned int __type; }; - - template<> - struct __add_unsigned<long> - { typedef unsigned long __type; }; - - template<> - struct __add_unsigned<long long> - { typedef unsigned long long __type; }; - - // Declare but don't define. - template<> - struct __add_unsigned<bool>; - - template<> - struct __add_unsigned<wchar_t>; - - - // Given an integral builtin type, return the corresponding signed type. - template<typename _Tp> - struct __remove_unsigned - { - private: - typedef __enable_if<std::__is_integer<_Tp>::__value, _Tp> __if_type; - - public: - typedef typename __if_type::__type __type; - }; - - template<> - struct __remove_unsigned<char> - { typedef signed char __type; }; - - template<> - struct __remove_unsigned<unsigned char> - { typedef signed char __type; }; - - template<> - struct __remove_unsigned<unsigned short> - { typedef short __type; }; - - template<> - struct __remove_unsigned<unsigned int> - { typedef int __type; }; - - template<> - struct __remove_unsigned<unsigned long> - { typedef long __type; }; - - template<> - struct __remove_unsigned<unsigned long long> - { typedef long long __type; }; - - // Declare but don't define. - template<> - struct __remove_unsigned<bool>; - - template<> - struct __remove_unsigned<wchar_t>; - - - // For use in string and vstring. - template<typename _Type> - inline bool - __is_null_pointer(_Type* __ptr) - { return __ptr == 0; } - - template<typename _Type> - inline bool - __is_null_pointer(_Type) - { return false; } - - - // For complex and cmath - template<typename _Tp, bool = std::__is_integer<_Tp>::__value> - struct __promote - { typedef double __type; }; - - template<typename _Tp> - struct __promote<_Tp, false> - { typedef _Tp __type; }; - - template<typename _Tp, typename _Up> - struct __promote_2 - { - private: - typedef typename __promote<_Tp>::__type __type1; - typedef typename __promote<_Up>::__type __type2; - - public: - typedef __typeof__(__type1() + __type2()) __type; - }; - - template<typename _Tp, typename _Up, typename _Vp> - struct __promote_3 - { - private: - typedef typename __promote<_Tp>::__type __type1; - typedef typename __promote<_Up>::__type __type2; - typedef typename __promote<_Vp>::__type __type3; - - public: - typedef __typeof__(__type1() + __type2() + __type3()) __type; - }; - - template<typename _Tp, typename _Up, typename _Vp, typename _Wp> - struct __promote_4 - { - private: - typedef typename __promote<_Tp>::__type __type1; - typedef typename __promote<_Up>::__type __type2; - typedef typename __promote<_Vp>::__type __type3; - typedef typename __promote<_Wp>::__type __type4; - - public: - typedef __typeof__(__type1() + __type2() + __type3() + __type4()) __type; - }; - -_GLIBCXX_END_NAMESPACE - -#endif |