lemon/smart_graph.h
branch1.0
changeset 1078 c59bdcc8e33e
parent 386 5a3d689ea770
equal deleted inserted replaced
16:8347dbba5052 28:cbd1da4bdcc5
     1 /* -*- mode: C++; indent-tabs-mode: nil; -*-
     1 /* -*- mode: C++; indent-tabs-mode: nil; -*-
     2  *
     2  *
     3  * This file is a part of LEMON, a generic C++ optimization library.
     3  * This file is a part of LEMON, a generic C++ optimization library.
     4  *
     4  *
     5  * Copyright (C) 2003-2008
     5  * Copyright (C) 2003-2011
     6  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
     6  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
     7  * (Egervary Research Group on Combinatorial Optimization, EGRES).
     7  * (Egervary Research Group on Combinatorial Optimization, EGRES).
     8  *
     8  *
     9  * Permission to use, modify and distribute this software is granted
     9  * Permission to use, modify and distribute this software is granted
    10  * provided that this copyright notice appears in all copies. For
    10  * provided that this copyright notice appears in all copies. For
   464 
   464 
   465       int _id;
   465       int _id;
   466       explicit Arc(int id) { _id = id;}
   466       explicit Arc(int id) { _id = id;}
   467 
   467 
   468     public:
   468     public:
   469       operator Edge() const { 
   469       operator Edge() const {
   470         return _id != -1 ? edgeFromId(_id / 2) : INVALID; 
   470         return _id != -1 ? edgeFromId(_id / 2) : INVALID;
   471       }
   471       }
   472 
   472 
   473       Arc() {}
   473       Arc() {}
   474       Arc (Invalid) { _id = -1; }
   474       Arc (Invalid) { _id = -1; }
   475       bool operator==(const Arc& arc) const {return _id == arc._id;}
   475       bool operator==(const Arc& arc) const {return _id == arc._id;}