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dust3d/thirdparty/cgal/CGAL-4.13/include/CGAL/Kernel_checker.h

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// Copyright (c) 2001
// Utrecht University (The Netherlands),
// ETH Zurich (Switzerland),
// INRIA Sophia-Antipolis (France),
// Max-Planck-Institute Saarbruecken (Germany),
// and Tel-Aviv University (Israel). All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 3 of the License,
// or (at your option) any later version.
//
// 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.
//
// $URL$
// $Id$
// SPDX-License-Identifier: LGPL-3.0+
//
//
// Author(s) : Sylvain Pion
// Mael Rouxel-Labbé
#ifndef CGAL_KERNEL_CHECKER_H
#define CGAL_KERNEL_CHECKER_H
// This file contains the definition of a kernel traits checker.
#include <CGAL/basic.h>
#include <CGAL/result_of.h>
#include <CGAL/use.h>
#include <utility>
#include <typeinfo>
namespace CGAL {
// Small utility to manipulate pairs for kernel objects, and
// simple things for bool, Sign... Object is yet another case...
template < typename T1, typename T2 >
struct Pairify {
typedef std::pair<T1, T2> result_type;
result_type operator()(const T1 &t1, const T2 &t2) const
{ return std::make_pair(t1, t2); }
};
template <>
struct Pairify <bool, bool> {
typedef bool result_type;
result_type operator()(const bool &t1, const bool &t2) const
{ CGAL_kernel_assertion(t1 == t2); CGAL_USE(t2); return t1; }
};
template <>
struct Pairify <Sign, Sign> {
typedef Sign result_type;
result_type operator()(const Sign &t1, const Sign &t2) const
{ CGAL_kernel_assertion(t1 == t2); CGAL_USE(t2); return t1; }
};
template <>
struct Pairify <Bounded_side, Bounded_side> {
typedef Bounded_side result_type;
result_type operator()(const Bounded_side &t1, const Bounded_side &t2) const
{ CGAL_kernel_assertion(t1 == t2); CGAL_USE(t2); return t1; }
};
template <>
struct Pairify <Angle, Angle> {
typedef Angle result_type;
result_type operator()(const Angle &t1, const Angle &t2) const
{ CGAL_kernel_assertion(t1 == t2); CGAL_USE(t2); return t1; }
};
// Class used by Kernel_checker.
template <class P1, class P2, class Cmp>
class Primitive_checker
{
P1 p1;
P2 p2;
Cmp cmp;
public:
Primitive_checker(const P1 &pp1 = P1(), const P2 &pp2 = P2(), const Cmp &c = Cmp())
: p1(pp1), p2(pp2), cmp(c)
{ }
template <class A1>
typename Pairify<typename CGAL::cpp11::result_of<P1(const A1&)>::type,
typename CGAL::cpp11::result_of<P2(const A1&)>::type>::result_type
operator()(const A1 &a1) const
{
typedef typename CGAL::cpp11::result_of<P1(const A1&)>::type result_type_1;
typedef typename CGAL::cpp11::result_of<P2(const A1&)>::type result_type_2;
result_type_1 res1 = p1(a1.first);
result_type_2 res2 = p2(a1.second);
if (! cmp(res1, res2))
{
std::cerr << "Kernel_checker error : " << res1 << " != " << res2
<< " for the inputs : " << std::endl;
std::cerr << a1.first << std::endl;
std::cerr << a1.second << std::endl;
std::cerr << "functor first kernel : "
<< typeid(p1).name() << std::endl;
std::cerr << "functor second kernel: "
<< typeid(p2).name() << std::endl;
std::cerr << CGAL_PRETTY_FUNCTION << std::endl;
CGAL_kernel_assertion(false);
}
return Pairify<result_type_1, result_type_2>()(res1, res2);
}
template <class A1, class A2>
typename Pairify<typename CGAL::cpp11::result_of<P1(const A1&, const A2&)>::type,
typename CGAL::cpp11::result_of<P2(const A1&, const A2&)>::type>::result_type
operator()(const A1 &a1, const A2 &a2) const
{
typedef typename CGAL::cpp11::result_of<P1(const A1&, const A2&)>::type result_type_1;
typedef typename CGAL::cpp11::result_of<P2(const A1&, const A2&)>::type result_type_2;
result_type_1 res1 = p1(a1.first, a2.first);
result_type_2 res2 = p2(a1.second, a2.second);
if (! cmp(res1, res2))
{
std::cerr << "Kernel_checker error : " << res1 << " != " << res2
<< " for the inputs : " << std::endl;
std::cerr << a1.first << std::endl;
std::cerr << a1.second << std::endl;
std::cerr << a2.first << std::endl;
std::cerr << a2.second << std::endl;
std::cerr << "functor first kernel : "
<< typeid(p1).name() << std::endl;
std::cerr << "functor second kernel: "
<< typeid(p2).name() << std::endl;
std::cerr << CGAL_PRETTY_FUNCTION << std::endl;
CGAL_kernel_assertion(false);
}
return Pairify<result_type_1, result_type_2>()(res1, res2);
}
template <class A1, class A2, class A3>
typename Pairify<typename CGAL::cpp11::result_of<P1(
const A1&, const A2&, const A3&)>::type,
typename CGAL::cpp11::result_of<P2(
const A1&, const A2&, const A3&)>::type>::result_type
operator()(const A1 &a1, const A2 &a2, const A3 &a3) const
{
typedef typename CGAL::cpp11::result_of<P1(const A1&, const A2&, const A3&)>::type result_type_1;
typedef typename CGAL::cpp11::result_of<P2(const A1&, const A2&, const A3&)>::type result_type_2;
result_type_1 res1 = p1(a1.first, a2.first, a3.first);
result_type_2 res2 = p2(a1.second, a2.second, a3.second);
if (! cmp(res1, res2))
{
std::cerr << "Kernel_checker error : " << res1 << " != " << res2
<< " for the inputs : " << std::endl;
std::cerr << a1.first << std::endl;
std::cerr << a1.second << std::endl;
std::cerr << a2.first << std::endl;
std::cerr << a2.second << std::endl;
std::cerr << a3.first << std::endl;
std::cerr << a3.second << std::endl;
std::cerr << "functor first kernel : "
<< typeid(p1).name() << std::endl;
std::cerr << "functor second kernel: "
<< typeid(p2).name() << std::endl;
std::cerr << CGAL_PRETTY_FUNCTION << std::endl;
CGAL_kernel_assertion(false);
}
return Pairify<result_type_1, result_type_2>()(res1, res2);
}
template <class A1, class A2, class A3, class A4>
typename Pairify<typename CGAL::cpp11::result_of<P1(
const A1&, const A2&, const A3&, const A4&)>::type,
typename CGAL::cpp11::result_of<P2(
const A1&, const A2&, const A3&, const A4&)>::type>::result_type
operator()(const A1 &a1, const A2 &a2, const A3 &a3, const A4 &a4) const
{
typedef typename CGAL::cpp11::result_of<P1(
const A1&, const A2&, const A3&, const A4&)>::type result_type_1;
typedef typename CGAL::cpp11::result_of<P2(
const A1&, const A2&, const A3&, const A4&)>::type result_type_2;
result_type_1 res1 = p1(a1.first, a2.first, a3.first, a4.first);
result_type_2 res2 = p2(a1.second, a2.second, a3.second, a4.second);
if (! cmp(res1, res2))
{
std::cerr << "Kernel_checker error : " << res1 << " != " << res2
<< " for the inputs : " << std::endl;
std::cerr << a1.first << std::endl;
std::cerr << a1.second << std::endl;
std::cerr << a2.first << std::endl;
std::cerr << a2.second << std::endl;
std::cerr << a3.first << std::endl;
std::cerr << a3.second << std::endl;
std::cerr << a4.first << std::endl;
std::cerr << a4.second << std::endl;
std::cerr << "functor first kernel : "
<< typeid(p1).name() << std::endl;
std::cerr << "functor second kernel: "
<< typeid(p2).name() << std::endl;
std::cerr << CGAL_PRETTY_FUNCTION << std::endl;
CGAL_kernel_assertion(false);
}
return Pairify<result_type_1, result_type_2>()(res1, res2);
}
template <class A1, class A2, class A3, class A4, class A5>
typename Pairify<typename CGAL::cpp11::result_of<P1(
const A1&, const A2&, const A3&, const A4&, const A5&)>::type,
typename CGAL::cpp11::result_of<P2(
const A1&, const A2&, const A3&, const A4&, const A5&)>::type>::result_type
operator()(const A1 &a1, const A2 &a2, const A3 &a3, const A4 &a4, const A5 &a5) const
{
typedef typename CGAL::cpp11::result_of<P1(
const A1&, const A2&, const A3&, const A4&, const A5&)>::type result_type_1;
typedef typename CGAL::cpp11::result_of<P2(
const A1&, const A2&, const A3&, const A4&, const A5&)>::type result_type_2;
result_type_1 res1 = p1(a1.first, a2.first, a3.first, a4.first, a5.first);
result_type_2 res2 = p2(a1.second, a2.second, a3.second, a4.second, a5.second);
if (! cmp(res1, res2))
{
std::cerr << "Kernel_checker error : " << res1 << " != " << res2
<< " for the inputs : " << std::endl;
std::cerr << a1.first << std::endl;
std::cerr << a1.second << std::endl;
std::cerr << a2.first << std::endl;
std::cerr << a2.second << std::endl;
std::cerr << a3.first << std::endl;
std::cerr << a3.second << std::endl;
std::cerr << a4.first << std::endl;
std::cerr << a4.second << std::endl;
std::cerr << a5.first << std::endl;
std::cerr << a5.second << std::endl;
std::cerr << "functor first kernel : "
<< typeid(p1).name() << std::endl;
std::cerr << "functor second kernel: "
<< typeid(p2).name() << std::endl;
std::cerr << CGAL_PRETTY_FUNCTION << std::endl;
CGAL_kernel_assertion(false);
}
return Pairify<result_type_1, result_type_2>()(res1, res2);
}
// Same thing with more arguments...
};
struct dont_check_equal {
template < typename T1, typename T2 >
bool operator()(const T1 & /* t1 */, const T2 &/*t2*/) const
{ return true; }
template < typename T >
bool operator()(const T &t1, const T &t2) const
{ return t1 == t2; }
};
template < class K1, class K2, class Cmp = dont_check_equal >
class Kernel_checker
{
protected:
K1 k1;
K2 k2;
Cmp cmp;
public:
typedef bool Boolean;
typedef CGAL::Sign Sign;
typedef CGAL::Comparison_result Comparison_result;
typedef CGAL::Orientation Orientation;
typedef CGAL::Oriented_side Oriented_side;
typedef CGAL::Bounded_side Bounded_side;
typedef CGAL::Angle Angle;
typedef K1 Kernel1;
typedef K2 Kernel2;
typedef Cmp Comparator;
// Kernel objects are defined as pairs, with primitives run in parallel.
#define CGAL_kc_pair(X) typedef std::pair<typename K1::X, typename K2::X> X;
CGAL_kc_pair(RT)
CGAL_kc_pair(FT)
// TODO : Object_[23] are subtil : should probably be Object(pair<...>).
// Or should Assign_[23] be used, and that's it ?
// In any case, Assign will have to be treated separately because it
// takes its first argument by non-const reference.
// Maybe Primitive_checker should provide a variant with non-const ref...
CGAL_kc_pair(Object_2)
CGAL_kc_pair(Object_3)
CGAL_kc_pair(Point_2)
CGAL_kc_pair(Weighted_point_2)
CGAL_kc_pair(Vector_2)
CGAL_kc_pair(Direction_2)
CGAL_kc_pair(Line_2)
CGAL_kc_pair(Ray_2)
CGAL_kc_pair(Segment_2)
CGAL_kc_pair(Triangle_2)
CGAL_kc_pair(Iso_rectangle_2)
CGAL_kc_pair(Circle_2)
CGAL_kc_pair(Conic_2)
CGAL_kc_pair(Aff_transformation_2)
CGAL_kc_pair(Point_3)
CGAL_kc_pair(Weighted_point_3)
CGAL_kc_pair(Plane_3)
CGAL_kc_pair(Vector_3)
CGAL_kc_pair(Direction_3)
CGAL_kc_pair(Line_3)
CGAL_kc_pair(Ray_3)
CGAL_kc_pair(Segment_3)
CGAL_kc_pair(Triangle_3)
CGAL_kc_pair(Tetrahedron_3)
CGAL_kc_pair(Iso_cuboid_3)
CGAL_kc_pair(Sphere_3)
CGAL_kc_pair(Aff_transformation_3)
#undef CGAL_kc_pair
#define CGAL_Kernel_pred(X, Y) \
typedef Primitive_checker<typename K1::X, typename K2::X, Cmp> X; \
X Y() const { return X(k1.Y(), k2.Y(), cmp); }
#define CGAL_Kernel_cons(Y,Z) CGAL_Kernel_pred(Y,Z)
public:
#include <CGAL/Kernel/interface_macros.h>
};
} //namespace CGAL
#endif // CGAL_KERNEL_CHECKER_H
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