mirror of https://github.com/CGAL/cgal
101 lines
2.6 KiB
C++
101 lines
2.6 KiB
C++
// Copyright (c) 2009 INRIA Sophia-Antipolis (France).
|
|
// 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
|
|
// 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) : Stephane Tayeb
|
|
//
|
|
//******************************************************************************
|
|
// File Description :
|
|
//******************************************************************************
|
|
|
|
#ifndef CGAL_MESH_3_UTILITIES_H
|
|
#define CGAL_MESH_3_UTILITIES_H
|
|
|
|
namespace CGAL {
|
|
|
|
namespace Mesh_3 {
|
|
namespace internal {
|
|
|
|
|
|
/**
|
|
* @class First_of
|
|
* Function object which returns the first element of a pair
|
|
*/
|
|
template <typename Pair>
|
|
struct First_of :
|
|
public std::unary_function<Pair, const typename Pair::first_type&>
|
|
{
|
|
typedef std::unary_function<Pair, const typename Pair::first_type&> Base;
|
|
typedef typename Base::result_type result_type;
|
|
typedef typename Base::argument_type argument_type;
|
|
|
|
result_type operator()(const argument_type& p) const { return p.first; }
|
|
}; // end class First_of
|
|
|
|
|
|
/**
|
|
* @class Ordered_pair
|
|
* Stores two elements in an ordered manner, i.e. first() < second()
|
|
*/
|
|
template <typename T>
|
|
class Ordered_pair
|
|
{
|
|
public:
|
|
Ordered_pair(const T& t1, const T& t2)
|
|
: data_(t1,t2)
|
|
{
|
|
if ( ! (t1 < t2) )
|
|
{
|
|
data_.second = t1;
|
|
data_.first = t2;
|
|
}
|
|
}
|
|
|
|
const T& first() const { return data_.first; }
|
|
const T& second() const { return data_.second; }
|
|
|
|
bool operator<(const Ordered_pair& rhs) const { return data_ < rhs.data_; }
|
|
|
|
private:
|
|
std::pair<T,T> data_;
|
|
};
|
|
|
|
|
|
/**
|
|
* @class Iterator_not_in_complex
|
|
* @brief A class to filter elements which do not belong to the complex
|
|
*/
|
|
template < typename C3T3 >
|
|
class Iterator_not_in_complex
|
|
{
|
|
const C3T3& c3t3_;
|
|
public:
|
|
Iterator_not_in_complex(const C3T3& c3t3) : c3t3_(c3t3) { }
|
|
|
|
template <typename Iterator>
|
|
bool operator()(Iterator it) const { return ! c3t3_.is_in_complex(*it); }
|
|
}; // end class Iterator_not_in_complex
|
|
|
|
|
|
} // end namespace internal
|
|
} // end namespace Mesh_3
|
|
|
|
|
|
} //namespace CGAL
|
|
|
|
#endif // CGAL_MESH_3_UTILITIES_H
|