mirror of https://github.com/CGAL/cgal
86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
// Copyright (c) 1997-2001 Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
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// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
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// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
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// and Tel-Aviv University (Israel). All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; version 2.1 of the License.
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// See the file LICENSE.LGPL 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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// $Source$
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// $Revision$ $Date$
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// $Name$
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//
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// Author(s) : Sven Schönherr <sven@inf.ethz.ch>
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#ifndef CGAL_OPTIMISATION_CONSTRUCT_POINT_3_H
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#define CGAL_OPTIMISATION_CONSTRUCT_POINT_3_H
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// includes
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#ifndef CGAL_POINT_3_H
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# include <CGAL/Point_3.h>
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#endif
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#ifndef CGAL_PROTECT_VECTOR
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# include <vector>
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# define CGAL_PROTECT_VECTOR
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#endif
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#ifndef CGAL_PROTECT_FUNCTIONAL
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# include <functional>
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# define CGAL_PROTECT_FUNCTIONAL
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#endif
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#ifndef CGAL_PROTECT_ITERATOR
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# include <iterator>
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# define CGAL_PROTECT_ITERATOR
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#endif
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CGAL_BEGIN_NAMESPACE
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// Class declaration
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// =================
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template < class R >
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class Construct_point_3;
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// Class interface
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// ===============
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template < class R_ >
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class Construct_point_3 {
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public:
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// self
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typedef R_ R;
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typedef Construct_point_3<R> Self;
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// types
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typedef typename R::Point_3 Point;
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// creation
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Construct_point_3( ) { }
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// operations
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template < class InputIterator >
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Point
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operator() ( int, InputIterator first, InputIterator last) const
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{
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std::vector<typename R::RT> coords;
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std::copy( first, last, std::back_inserter( coords));
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if ( coords.size() < 4) {
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return Point( coords[ 0], coords[ 1], coords[ 2]);
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} else {
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return Point( coords[ 0], coords[ 1], coords[ 2], coords[ 3]);
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}
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}
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};
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CGAL_END_NAMESPACE
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#endif // CGAL_OPTIMISATION_CONSTRUCT_POINT_3_H
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// ===== EOF ==================================================================
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