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// Copyright (c) 2008 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you may redistribute it under
// the terms of the Q Public License version 1.0.
// See the file LICENSE.QPL distributed with CGAL.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL: svn+ssh://scm.gforge.inria.fr/svn/cgal/branches/CGAL-3.5-branch/Circular_kernel_3/include/CGAL/Circular_kernel_3/internal_function_compare_spherical_kernel.h $
// $Id: internal_function_compare_spherical_kernel.h 44381 2008-07-24 09:26:28Z pmachado $
//
// Author(s) : Monique Teillaud, Sylvain Pion, Pedro Machado,
// Julien Hazebrouck, Damien Leroy
// Partially supported by the IST Programme of the EU as a
// STREP (FET Open) Project under Contract No IST-006413
// (ACS -- Algorithms for Complex Shapes)
#ifndef CGAL_SPHERICAL_KERNEL_PREDICATES_COMPARE_3_H
#define CGAL_SPHERICAL_KERNEL_PREDICATES_COMPARE_3_H
namespace CGAL {
namespace SphericalFunctors {
// we can optimize those functions by comparing
// the references before doing the comparison
// as in CK
template < class SK >
inline
Comparison_result
compare_x(const typename SK::Circular_arc_point_3 &p0,
const typename SK::Circular_arc_point_3 &p1)
{
typedef typename SK::Algebraic_kernel Algebraic_kernel;
return Algebraic_kernel().compare_x_object()(p0.coordinates(), p1.coordinates());
}
template < class SK >
inline
Comparison_result
compare_y(const typename SK::Circular_arc_point_3 &p0,
const typename SK::Circular_arc_point_3 &p1)
{
typedef typename SK::Algebraic_kernel Algebraic_kernel;
return Algebraic_kernel().compare_y_object()(p0.coordinates(), p1.coordinates());
}
template < class SK >
inline
Comparison_result
compare_z(const typename SK::Circular_arc_point_3 &p0,
const typename SK::Circular_arc_point_3 &p1)
{
typedef typename SK::Algebraic_kernel Algebraic_kernel;
return Algebraic_kernel().compare_z_object()(p0.coordinates(), p1.coordinates());
}
template < class SK >
inline
Comparison_result
compare_xy(const typename SK::Circular_arc_point_3 &p0,
const typename SK::Circular_arc_point_3 &p1)
{
typedef typename SK::Algebraic_kernel Algebraic_kernel;
return Algebraic_kernel().compare_xy_object()(p0.coordinates(), p1.coordinates());
}
template < class SK >
inline
Comparison_result
compare_xyz(const typename SK::Circular_arc_point_3 &p0,
const typename SK::Circular_arc_point_3 &p1)
{
typedef typename SK::Algebraic_kernel Algebraic_kernel;
return Algebraic_kernel().compare_xyz_object()(p0.coordinates(), p1.coordinates());
}
}//SphericalFunctors
}//CGAL
#endif //CGAL_SPHERICAL_KERNEL_PREDICATES_COMPARE_3_H
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