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locks; strict;
comment	@# @;


1.1
date	2002.05.28.16.15.57;	author obrien;	state Exp;
branches
	1.1.1.1;
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1.1.1.1
date	2002.05.28.16.15.57;	author obrien;	state Exp;
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1.1.1.2
date	2002.09.01.20.39.10;	author kan;	state Exp;
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next	1.1.1.3;

1.1.1.3
date	2004.07.28.03.12.05;	author kan;	state Exp;
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1.1.1.4
date	2007.05.19.01.22.05;	author kan;	state Exp;
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1.1.1.4.30.1
date	2007.05.19.01.22.05;	author svnexp;	state dead;
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1.1.1.4.30.2
date	2013.03.28.13.01.35;	author svnexp;	state Exp;
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desc
@@


1.1
log
@Initial revision
@
text
@// Numeric extensions -*- C++ -*-

// Copyright (C) 2002 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 2, 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.

// 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,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/*
 *
 * 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).  You should only
 *  include this header if you are using GCC 3 or later.
 */

#ifndef _EXT_NUMERIC
#define _EXT_NUMERIC

#pragma GCC system_header
#include <bits/concept_check.h>
#include <numeric>

#include <ext/functional> // For identity_element

namespace __gnu_cxx
{
  // Returns __x ** __n, where __n >= 0.  _Note that "multiplication"
  // is required to be associative, but not necessarily commutative.
   
  template<typename _Tp, typename _Integer, typename _MonoidOperation>
    _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<typename _Tp, typename _Integer>
    inline _Tp
    __power(_Tp __x, _Integer __n)
    { return __power(__x, __n, std::multiplies<_Tp>()); }

  // Alias for the internal name __power.  Note that power is an extension,
  // not part of the C++ standard.

  template<typename _Tp, typename _Integer, typename _MonoidOperation>
    inline _Tp
    power(_Tp __x, _Integer __n, _MonoidOperation __monoid_op)
    { return __power(__x, __n, __monoid_op); }

  template<typename _Tp, typename _Integer>
    inline _Tp
    power(_Tp __x, _Integer __n)
    { return __power(__x, __n); }

  // iota is not part of the C++ standard.  It is an extension.

  template<typename _ForwardIter, typename _Tp>
    void 
    iota(_ForwardIter __first, _ForwardIter __last, _Tp __value)
    {
      // concept requirements
      __glibcpp_function_requires(_Mutable_ForwardIteratorConcept<_ForwardIter>)
      __glibcpp_function_requires(_ConvertibleConcept<_Tp,
	    typename std::iterator_traits<_ForwardIter>::value_type>)

      while (__first != __last)
	*__first++ = __value++;
    }

} // namespace __gnu_cxx

#endif /* _EXT_NUMERIC */

@


1.1.1.1
log
@Gcc 3.1.0 pre-release's C++ support bits from the FSF anoncvs repo
on 9-May-2002 15:57:15 EDT.
@
text
@@


1.1.1.2
log
@Gcc 3.2.1-prerelease libf2c bits from the FSF anoncvs repo gcc-3_2-branch on 1-Sep-2002 00:00:01 EDT.
@
text
@a107 5
  /**
   *  This is an SGI extension.
   *  @@ingroup SGIextensions
   *  @@doctodo
  */
a112 5
  /**
   *  This is an SGI extension.
   *  @@ingroup SGIextensions
   *  @@doctodo
  */
a119 5
  /**
   *  This is an SGI extension.
   *  @@ingroup SGIextensions
   *  @@doctodo
  */
@


1.1.1.3
log
@Gcc 3.4.2 20040728 C++ support bits.
@
text
@d63 1
a63 1
#define _EXT_NUMERIC 1
a65 1

d75 1
d105 3
a112 2
  // Alias for the internal name __power.  Note that power is an extension,
  // not part of the C++ standard.
d128 2
a134 1
  // iota is not part of the C++ standard.  It is an extension.
d136 1
a136 1
    void
d140 2
a141 2
      __glibcxx_function_requires(_Mutable_ForwardIteratorConcept<_ForwardIter>)
      __glibcxx_function_requires(_ConvertibleConcept<_Tp,
d147 1
d150 1
a150 1
#endif
@


1.1.1.4
log
@GCC 4.2.0 release C++ standard library and runtime support code.
@
text
@d3 1
a3 1
// Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc.
d18 1
a18 1
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
d58 2
a59 1
 *  containing extensions from the HP/SGI STL subset). 
d72 2
a73 2
_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)

d82 5
a86 7
      else
	{
	  while ((__n & 1) == 0)
	    {
	      __n >>= 1;
	      __x = __monoid_op(__x, __x);
	    }
d88 6
a93 1
	  _Tp __result = __x;
a94 8
	  while (__n != 0)
	    {
	      __x = __monoid_op(__x, __x);
	      if ((__n & 1) != 0)
		__result = __monoid_op(__result, __x);
	      __n >>= 1;
	    }
	  return __result;
d96 2
d145 1
a145 2

_GLIBCXX_END_NAMESPACE
@


1.1.1.4.30.1
log
@file numeric was added on branch RELENG_8_4 on 2013-03-28 13:01:35 +0000
@
text
@d1 151
@


1.1.1.4.30.2
log
@## SVN ## Exported commit - http://svnweb.freebsd.org/changeset/base/248810
## SVN ## CVS IS DEPRECATED: http://wiki.freebsd.org/CvsIsDeprecated
@
text
@a0 151
// Numeric extensions -*- C++ -*-

// Copyright (C) 2002, 2004, 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, 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.

// 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, 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
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/*
 *
 * 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 <bits/concept_check.h>
#include <numeric>

#include <ext/functional> // For identity_element

_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)

  // Returns __x ** __n, where __n >= 0.  _Note that "multiplication"
  // is required to be associative, but not necessarily commutative.
  template<typename _Tp, typename _Integer, typename _MonoidOperation>
    _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<typename _Tp, typename _Integer>
    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<typename _Tp, typename _Integer, typename _MonoidOperation>
    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<typename _Tp, typename _Integer>
    inline _Tp
    power(_Tp __x, _Integer __n)
    { return __power(__x, __n); }

  /**
   *  This is an SGI extension.
   *  @@ingroup SGIextensions
   *  @@doctodo
  */
  // iota is not part of the C++ standard.  It is an extension.
  template<typename _ForwardIter, typename _Tp>
    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++;
    }

_GLIBCXX_END_NAMESPACE

#endif

@


