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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;
next	;

1.1.1.1
date	2002.05.28.16.15.57;	author obrien;	state Exp;
branches;
next	1.1.1.2;

1.1.1.2
date	2002.09.01.20.39.10;	author kan;	state Exp;
branches;
next	1.1.1.3;

1.1.1.3
date	2004.07.28.03.12.05;	author kan;	state Exp;
branches;
next	1.1.1.4;

1.1.1.4
date	2007.05.19.01.22.07;	author kan;	state Exp;
branches
	1.1.1.4.30.1;
next	;

1.1.1.4.30.1
date	2007.05.19.01.22.07;	author svnexp;	state dead;
branches;
next	1.1.1.4.30.2;

1.1.1.4.30.2
date	2013.03.28.13.01.35;	author svnexp;	state Exp;
branches;
next	;


desc
@@


1.1
log
@Initial revision
@
text
@// HP/SGI iterator extensions -*- C++ -*-

// Copyright (C) 2001, 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) 1996-1998
 * 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/iterator
 *  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_ITERATOR
#define _EXT_ITERATOR

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

namespace __gnu_cxx
{

  // There are two signatures for distance.  In addition to the one taking
  // two iterators and returning a result, there is another taking two
  // iterators and a reference-to-result variable, and returning nothing.
  // The latter seems to be an SGI extension.   -- pedwards
  template<typename _InputIterator, typename _Distance>
    inline void
    __distance(_InputIterator __first, _InputIterator __last,
	       _Distance& __n, std::input_iterator_tag)
    {
      // concept requirements
      __glibcpp_function_requires(_InputIteratorConcept<_InputIterator>)
      while (__first != __last) { ++__first; ++__n; }
    }

  template<typename _RandomAccessIterator, typename _Distance>
    inline void
    __distance(_RandomAccessIterator __first, _RandomAccessIterator __last, 
	       _Distance& __n, std::random_access_iterator_tag)
    {
      // concept requirements
      __glibcpp_function_requires(_RandomAccessIteratorConcept<_RandomAccessIterator>)
      __n += __last - __first;
    }

  template<typename _InputIterator, typename _Distance>
    inline void
    distance(_InputIterator __first, _InputIterator __last,
             _Distance& __n)
    {
      // concept requirements -- taken care of in __distance
      __distance(__first, __last, __n, std::__iterator_category(__first));
    }

} // namespace __gnu_cxx

#endif /* _EXT_ITERATOR */

@


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
@a95 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_ITERATOR 1
a65 1

d71 5
a75 5
  // There are two signatures for distance.  In addition to the one
  // taking two iterators and returning a result, there is another
  // taking two iterators and a reference-to-result variable, and
  // returning nothing.  The latter seems to be an SGI extension.
  // -- pedwards
d82 1
a82 1
      __glibcxx_function_requires(_InputIteratorConcept<_InputIterator>)
d88 1
a88 1
    __distance(_RandomAccessIterator __first, _RandomAccessIterator __last,
d92 1
a92 1
      __glibcxx_function_requires(_RandomAccessIteratorConcept<_RandomAccessIterator>)
d109 1
d112 1
a112 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) 2001, 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).
d70 2
a71 2
_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)

d84 1
a84 5
      while (__first != __last)
	{
	  ++__first;
	  ++__n;
	}
d93 1
a93 2
      __glibcxx_function_requires(_RandomAccessIteratorConcept<
				  _RandomAccessIterator>)
d110 1
a110 2

_GLIBCXX_END_NAMESPACE
@


1.1.1.4.30.1
log
@file iterator was added on branch RELENG_8_4 on 2013-03-28 13:01:35 +0000
@
text
@d1 118
@


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 118
// HP/SGI iterator extensions -*- C++ -*-

// Copyright (C) 2001, 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) 1996-1998
 * 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/iterator
 *  This file is a GNU extension to the Standard C++ Library (possibly
 *  containing extensions from the HP/SGI STL subset).
 */

#ifndef _EXT_ITERATOR
#define _EXT_ITERATOR 1

#pragma GCC system_header

#include <bits/concept_check.h>
#include <iterator>

_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)

  // There are two signatures for distance.  In addition to the one
  // taking two iterators and returning a result, there is another
  // taking two iterators and a reference-to-result variable, and
  // returning nothing.  The latter seems to be an SGI extension.
  // -- pedwards
  template<typename _InputIterator, typename _Distance>
    inline void
    __distance(_InputIterator __first, _InputIterator __last,
	       _Distance& __n, std::input_iterator_tag)
    {
      // concept requirements
      __glibcxx_function_requires(_InputIteratorConcept<_InputIterator>)
      while (__first != __last)
	{
	  ++__first;
	  ++__n;
	}
    }

  template<typename _RandomAccessIterator, typename _Distance>
    inline void
    __distance(_RandomAccessIterator __first, _RandomAccessIterator __last,
	       _Distance& __n, std::random_access_iterator_tag)
    {
      // concept requirements
      __glibcxx_function_requires(_RandomAccessIteratorConcept<
				  _RandomAccessIterator>)
      __n += __last - __first;
    }

  /**
   *  This is an SGI extension.
   *  @@ingroup SGIextensions
   *  @@doctodo
  */
  template<typename _InputIterator, typename _Distance>
    inline void
    distance(_InputIterator __first, _InputIterator __last,
             _Distance& __n)
    {
      // concept requirements -- taken care of in __distance
      __distance(__first, __last, __n, std::__iterator_category(__first));
    }

_GLIBCXX_END_NAMESPACE

#endif

@


