From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001 From: Ben Cheng Date: Tue, 25 Mar 2014 22:37:19 -0700 Subject: Initial checkin of GCC 4.9.0 from trunk (r208799). Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba --- gcc-4.9/libstdc++-v3/include/ext/numeric | 152 +++++++++++++++++++++++++++++++ 1 file changed, 152 insertions(+) create mode 100644 gcc-4.9/libstdc++-v3/include/ext/numeric (limited to 'gcc-4.9/libstdc++-v3/include/ext/numeric') diff --git a/gcc-4.9/libstdc++-v3/include/ext/numeric b/gcc-4.9/libstdc++-v3/include/ext/numeric new file mode 100644 index 0000000..d957420 --- /dev/null +++ b/gcc-4.9/libstdc++-v3/include/ext/numeric @@ -0,0 +1,152 @@ +// Numeric extensions -*- C++ -*- + +// Copyright (C) 2002-2014 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 +// . + +/* + * + * Copyright (c) 1994 + * Hewlett-Packard Company + * + * Permission to use, copy, modify, distribute and sell this software + * and its documentation for any purpose is hereby granted without fee, + * provided that the above copyright notice appear in all copies and + * that both that copyright notice and this permission notice appear + * in supporting documentation. Hewlett-Packard Company makes no + * representations about the suitability of this software for any + * purpose. It is provided "as is" without express or implied warranty. + * + * + * Copyright (c) 1996 + * Silicon Graphics Computer Systems, Inc. + * + * Permission to use, copy, modify, distribute and sell this software + * and its documentation for any purpose is hereby granted without fee, + * provided that the above copyright notice appear in all copies and + * that both that copyright notice and this permission notice appear + * in supporting documentation. Silicon Graphics makes no + * representations about the suitability of this software for any + * purpose. It is provided "as is" without express or implied warranty. + */ + +/** @file ext/numeric + * This file is a GNU extension to the Standard C++ Library (possibly + * containing extensions from the HP/SGI STL subset). + */ + +#ifndef _EXT_NUMERIC +#define _EXT_NUMERIC 1 + +#pragma GCC system_header + +#include +#include + +#include // For identity_element + +namespace __gnu_cxx _GLIBCXX_VISIBILITY(default) +{ +_GLIBCXX_BEGIN_NAMESPACE_VERSION + + // Returns __x ** __n, where __n >= 0. _Note that "multiplication" + // is required to be associative, but not necessarily commutative. + template + _Tp + __power(_Tp __x, _Integer __n, _MonoidOperation __monoid_op) + { + if (__n == 0) + return identity_element(__monoid_op); + else + { + while ((__n & 1) == 0) + { + __n >>= 1; + __x = __monoid_op(__x, __x); + } + + _Tp __result = __x; + __n >>= 1; + while (__n != 0) + { + __x = __monoid_op(__x, __x); + if ((__n & 1) != 0) + __result = __monoid_op(__result, __x); + __n >>= 1; + } + return __result; + } + } + + template + inline _Tp + __power(_Tp __x, _Integer __n) + { return __power(__x, __n, std::multiplies<_Tp>()); } + + /** + * This is an SGI extension. + * @ingroup SGIextensions + * @doctodo + */ + // Alias for the internal name __power. Note that power is an extension, + // not part of the C++ standard. + template + inline _Tp + power(_Tp __x, _Integer __n, _MonoidOperation __monoid_op) + { return __power(__x, __n, __monoid_op); } + + /** + * This is an SGI extension. + * @ingroup SGIextensions + * @doctodo + */ + template + inline _Tp + power(_Tp __x, _Integer __n) + { return __power(__x, __n); } + +#if __cplusplus >= 201103L + using std::iota; +#else + /** + * This is an SGI extension. + * @ingroup SGIextensions + * @doctodo + */ + // iota is not part of the C++ standard. It is an extension. + template + void + iota(_ForwardIter __first, _ForwardIter __last, _Tp __value) + { + // concept requirements + __glibcxx_function_requires(_Mutable_ForwardIteratorConcept<_ForwardIter>) + __glibcxx_function_requires(_ConvertibleConcept<_Tp, + typename std::iterator_traits<_ForwardIter>::value_type>) + + while (__first != __last) + *__first++ = __value++; + } +#endif // C++11 + +_GLIBCXX_END_NAMESPACE_VERSION +} // namespace + +#endif -- cgit v1.1