mirror of https://github.com/CGAL/cgal
66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
// Copyright (c) 2005 Tel-Aviv University (Israel).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you may redistribute it under
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// the terms of the Q Public License version 1.0.
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// See the file LICENSE.QPL distributed with CGAL.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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//
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//
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// Author(s) : Michal Meyerovitch <gorgymic@post.tau.ac.il>
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#ifndef CGAL_ENVELOPE_SET_DIVIDORS_H
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#define CGAL_ENVELOPE_SET_DIVIDORS_H
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#include <iostream>
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CGAL_BEGIN_NAMESPACE
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class Arbitrary_dividor
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{
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public:
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template <class InputIterator, class OutputIterator>
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void operator()(InputIterator begin, InputIterator end,
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OutputIterator set1, OutputIterator set2)
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{
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bool set_first = true;
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for(; begin != end; ++begin, set_first = !set_first)
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if (set_first)
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*set1++ = *begin;
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else
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*set2++ = *begin;
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}
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};
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class Incremental_dividor
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{
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public:
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template <class InputIterator, class OutputIterator>
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void operator()(InputIterator begin, InputIterator end,
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OutputIterator set1, OutputIterator set2)
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{
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std::size_t i, n = std::distance(begin, end);
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// all items but the last go to the first set
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for(i=0; i<(n-1); ++i, ++begin)
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*set1++ = *begin;
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// the last item goes to the second set
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*set2++ = *begin;
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}
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};
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CGAL_END_NAMESPACE
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#endif
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