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[/] [altor32/] [trunk/] [gcc-x64/] [or1knd-elf/] [or1knd-elf/] [include/] [c++/] [4.8.0/] [ext/] [numeric] - Blame information for rev 35

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1 35 ultra_embe
// Numeric extensions -*- C++ -*-
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// Copyright (C) 2002, 2004, 2005, 2009 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library.  This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
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// .
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/*
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 *
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 * Copyright (c) 1994
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 * Hewlett-Packard Company
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 *
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 * Permission to use, copy, modify, distribute and sell this software
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 * and its documentation for any purpose is hereby granted without fee,
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 * provided that the above copyright notice appear in all copies and
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 * that both that copyright notice and this permission notice appear
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 * in supporting documentation.  Hewlett-Packard Company makes no
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 * representations about the suitability of this software for any
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 * purpose.  It is provided "as is" without express or implied warranty.
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 *
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 *
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 * Copyright (c) 1996
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 * Silicon Graphics Computer Systems, Inc.
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 *
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 * Permission to use, copy, modify, distribute and sell this software
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 * and its documentation for any purpose is hereby granted without fee,
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 * provided that the above copyright notice appear in all copies and
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 * that both that copyright notice and this permission notice appear
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 * in supporting documentation.  Silicon Graphics makes no
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 * representations about the suitability of this software for any
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 * purpose.  It is provided "as is" without express or implied warranty.
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 */
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/** @file ext/numeric
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 *  This file is a GNU extension to the Standard C++ Library (possibly
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 *  containing extensions from the HP/SGI STL subset).
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 */
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#ifndef _EXT_NUMERIC
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#define _EXT_NUMERIC 1
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#pragma GCC system_header
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#include 
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#include 
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#include  // For identity_element
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namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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  // Returns __x ** __n, where __n >= 0.  _Note that "multiplication"
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  // is required to be associative, but not necessarily commutative.
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  template
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    _Tp
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    __power(_Tp __x, _Integer __n, _MonoidOperation __monoid_op)
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    {
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      if (__n == 0)
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        return identity_element(__monoid_op);
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      else
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        {
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          while ((__n & 1) == 0)
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            {
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              __n >>= 1;
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              __x = __monoid_op(__x, __x);
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            }
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          _Tp __result = __x;
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          __n >>= 1;
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          while (__n != 0)
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            {
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              __x = __monoid_op(__x, __x);
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              if ((__n & 1) != 0)
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                __result = __monoid_op(__result, __x);
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              __n >>= 1;
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            }
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          return __result;
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        }
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    }
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  template
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    inline _Tp
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    __power(_Tp __x, _Integer __n)
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    { return __power(__x, __n, std::multiplies<_Tp>()); }
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  /**
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   *  This is an SGI extension.
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   *  @ingroup SGIextensions
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   *  @doctodo
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  */
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  // Alias for the internal name __power.  Note that power is an extension,
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  // not part of the C++ standard.
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  template
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    inline _Tp
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    power(_Tp __x, _Integer __n, _MonoidOperation __monoid_op)
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    { return __power(__x, __n, __monoid_op); }
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  /**
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   *  This is an SGI extension.
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   *  @ingroup SGIextensions
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   *  @doctodo
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  */
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  template
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    inline _Tp
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    power(_Tp __x, _Integer __n)
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    { return __power(__x, __n); }
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#if __cplusplus >= 201103L
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  using std::iota;
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#else
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  /**
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   *  This is an SGI extension.
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   *  @ingroup SGIextensions
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   *  @doctodo
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  */
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  // iota is not part of the C++ standard.  It is an extension.
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  template
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    void
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    iota(_ForwardIter __first, _ForwardIter __last, _Tp __value)
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    {
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      // concept requirements
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      __glibcxx_function_requires(_Mutable_ForwardIteratorConcept<_ForwardIter>)
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      __glibcxx_function_requires(_ConvertibleConcept<_Tp,
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            typename std::iterator_traits<_ForwardIter>::value_type>)
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      while (__first != __last)
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        *__first++ = __value++;
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    }
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#endif  // C++11
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_GLIBCXX_END_NAMESPACE_VERSION
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} // namespace
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#endif

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