src/work/jacint/preflow.h
changeset 332 5dc61ba30730
parent 278 c11f84e3da21
child 372 e6a156fc186d
equal deleted inserted replaced
4:6f10937bcfae 5:b06c455953a7
    41 #include <queue>
    41 #include <queue>
    42 
    42 
    43 namespace hugo {
    43 namespace hugo {
    44 
    44 
    45   template <typename Graph, typename T, 
    45   template <typename Graph, typename T, 
    46     typename FlowMap=typename Graph::EdgeMap<T>,
    46 	    typename CapMap=typename Graph::EdgeMap<T>, 
    47     typename CapMap=typename Graph::EdgeMap<T> >
    47 	    typename FlowMap=typename Graph::EdgeMap<T> >
    48   class Preflow {
    48   class Preflow {
    49     
    49     
    50     typedef typename Graph::Node Node;
    50     typedef typename Graph::Node Node;
    51     typedef typename Graph::Edge Edge;
    51     typedef typename Graph::Edge Edge;
    52     typedef typename Graph::NodeIt NodeIt;
    52     typedef typename Graph::NodeIt NodeIt;
    54     typedef typename Graph::InEdgeIt InEdgeIt;
    54     typedef typename Graph::InEdgeIt InEdgeIt;
    55     
    55     
    56     const Graph& G;
    56     const Graph& G;
    57     Node s;
    57     Node s;
    58     Node t;
    58     Node t;
       
    59     const CapMap& capacity;  
    59     FlowMap& flow;
    60     FlowMap& flow;
    60     const CapMap& capacity;  
       
    61     T value;
    61     T value;
    62 
    62 
    63   public:
    63   public:
    64     Preflow(const Graph& _G, Node _s, Node _t, const CapMap& _capacity, 
    64     Preflow(const Graph& _G, Node _s, Node _t, const CapMap& _capacity, 
    65 	    FlowMap& _flow ) :
    65 	    FlowMap& _flow ) :
    66       G(_G), s(_s), t(_t), flow(_flow), capacity(_capacity) {}
    66       G(_G), s(_s), t(_t), capacity(_capacity), flow(_flow) {}
    67 
       
    68 
    67 
    69     void run() {
    68     void run() {
    70 
    69 
    71       bool phase=0;        //phase 0 is the 1st phase, phase 1 is the 2nd
    70       bool phase=0;        //phase 0 is the 1st phase, phase 1 is the 2nd
    72       int n=G.nodeNum(); 
    71       int n=G.nodeNum();