mirror of https://github.com/CGAL/cgal
81 lines
1.9 KiB
C++
81 lines
1.9 KiB
C++
// ============================================================================
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//
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// Copyright (c) 2000 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 $
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// release_date : $CGAL_Date $
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//
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// file : include/CGAL/polygon_function_objects.h
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// package : $CGAL_Package: Partition_2 $
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// maintainer : Susan Hert <hert@mpi-sb.mpg.de>
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// chapter : Planar Polygon Partitioning
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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) : Susan Hert <hert@mpi-sb.mpg.de>
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//
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// coordinator : MPI (Susan Hert <hert@mpi-sb.mpg.de>)
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//
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// implementation: Function objects for testing polygon properties
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// ============================================================================
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#ifndef POLYGON_FUNCTION_OBJECTS_H
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#define POLYGON_FUNCTION_OBJECTS_H
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#include<CGAL/is_y_monotone_2.h>
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namespace CGAL {
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template <class Traits>
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class Is_vacuously_valid
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{
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public:
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Is_vacuously_valid(Traits ) {}
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template <class ForwardIterator>
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bool operator()(ForwardIterator, ForwardIterator)
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{ return true; }
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};
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template <class Traits>
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class Is_convex_2
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{
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public:
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Is_convex_2(Traits t): traits(t) {}
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template <class ForwardIterator>
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bool operator()(ForwardIterator first, ForwardIterator last)
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{ return is_convex_2(first, last, traits); }
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private:
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Traits traits;
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};
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template <class Traits>
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class Is_y_monotone_2
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{
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public:
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Is_y_monotone_2(Traits t): traits(t) {}
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template <class ForwardIterator>
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bool operator()(ForwardIterator first, ForwardIterator last)
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{ return is_y_monotone_2(first, last, traits); }
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private:
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Traits traits;
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};
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}
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#endif // POLYGON_FUNCTION_OBJECTS_H
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