mirror of https://github.com/CGAL/cgal
88 lines
2.3 KiB
C++
88 lines
2.3 KiB
C++
// ============================================================================
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//
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// Copyright (c) 1997-2001 The CGAL Consortium
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//
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// This software and related documentation is part of an INTERNAL release
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// of the Computational Geometry Algorithms Library (CGAL). It is not
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// intended for general use.
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//
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// ----------------------------------------------------------------------------
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//
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// release : $CGAL_Revision: CGAL-I $
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// release_date : $CGAL_Date$
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//
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// file : include/CGAL/Optimisation/Construct_point_3.h
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// package : $CGAL_Package: Optimisation_basic $
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//
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// revision : $Revision$
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// revision_date : $Date$
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//
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// author(s) : Sven Schönherr <sven@inf.ethz.ch>
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// coordinator : ETH Zürich (Bernd Gärtner <gaertner@inf.ethz.ch>)
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//
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// implementation: 3D construction `point'
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// ============================================================================
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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<CGAL_TYPENAME_MSVC_NULL 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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