cgal/Kinetic_data_structures/include/CGAL/Kinetic/Certificate_generator.h

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C++

// Copyright (c) 2005 Stanford University (USA).
// 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.
//
// $URL$
// $Id$
//
//
// Author(s) : Daniel Russel <drussel@alumni.princeton.edu>
#ifndef CGAL_KINETIC_IO_KERNEL_CERTIFICATE_GENERATOR_H
#define CGAL_KINETIC_IO_KERNEL_CERTIFICATE_GENERATOR_H
#include <CGAL/Kinetic/basic.h>
//#include <CGAL/Kinetic/internal/Kernel/Certificate.h>
namespace CGAL { namespace Kinetic {
template <class KK_t, class Generator>
struct Certificate_generator {
typedef typename KK_t::Certificate result_type;
typedef typename KK_t::Function_kernel::Root Time;
Certificate_generator(typename KK_t::Function_kernel fk): fk_(fk){}
Certificate_generator(){}
enum When {AT, AFTER};
template <class A, class B, class C, class D, class E, class Time>
CGAL::Sign sign_at(const A &a, const B &b, const C &c, const D &d, const E &e,
const Time &begin) const {
return eval_sign_at(gen_(a,b,c,d,e), begin);
}
template <class A, class B, class C, class D, class E, class Time>
CGAL::Sign sign_after(const A &a, const B &b, const C &c, const D &d, const E &e,
const Time &begin) const {
//if (when==AFTER) {
return eval_sign_after(gen_(a, b, c, d, e), begin);
/*} elsee {
return sign_at(gen_(a,b,c,d,e), begin);
}*/
}
template <class A, class B, class C, class D>
CGAL::Sign sign_at(const A &a, const B &b, const C &c, const D &d,
const Time &begin) const {
return eval_sign_at(gen_(a, b, c, d), begin);
}
template <class A, class B, class C, class D>
CGAL::Sign sign_after(const A &a, const B &b, const C &c, const D &d,
const Time &begin) const {
return eval_sign_after(gen_(a, b, c, d), begin);
}
template <class A, class B, class C>
CGAL::Sign sign_at(const A &a, const B &b, const C &c,
const Time &begin) const {
return eval_sign_at(gen_(a,b,c), begin);
}
template <class A, class B, class C>
CGAL::Sign sign_after(const A &a, const B &b, const C &c,
const Time &begin) const {
return eval_sign_after(gen_(a,b,c), begin);
}
template <class A, class B>
CGAL::Sign sign_at(const A &a, const B &b,
const Time &begin) const {
return eval_sign_at(gen_(a, b), begin);
}
template <class A, class B>
CGAL::Sign sign_after(const A &a, const B &b,
const Time &begin) const {
return eval_sign_after(gen_(a, b), begin);
}
template <class A>
CGAL::Sign sign_at(const A &a, const Time &begin) const {
return eval_sign_at(gen_(a), begin);
}
template <class A>
CGAL::Sign sign_after(const A &a, const Time &begin) const {
return eval_sign_after(gen_(a), begin);
}
template <class A, class B, class C, class D, class E>
result_type operator()(const A &a, const B &b, const C &c, const D &d, const E &e,
const Time &begin, const Time &end) const {
return result_type(gen_(a, b, c, d, e), fk_, begin, end);
}
template <class A, class B, class C, class D>
result_type operator()(const A &a, const B &b, const C &c, const D &d,
const Time &begin, const Time &end) const {
return result_type(gen_(a, b, c, d), fk_, begin, end);
}
template <class A, class B, class C>
result_type operator()(const A &a, const B &b, const C &c, const Time &begin,
const Time &end) const {
return result_type(gen_(a, b, c), fk_, begin, end);
}
template <class A, class B>
result_type operator()(const A &a, const B &b, const Time &begin, const Time &end) const {
return result_type(gen_(a, b), fk_, begin, end);
}
template <class A>
result_type operator()(const A &a, const Time &begin, const Time &end) const {
return result_type(gen_(a), fk_,begin,end);
}
protected:
CGAL::Sign eval_sign_after(const typename KK_t::Function_kernel::Function &f,
const Time &t) const {
return fk_.sign_after_object()(f,t);
}
CGAL::Sign eval_sign_at(const typename KK_t::Function_kernel::Function &f,
const Time &t) const {
return fk_.sign_at_object()(f,t);
}
Generator gen_;
typename KK_t::Function_kernel fk_;
};
} } //namespace CGAL::Kinetic
#endif