src/hugo/mincostflows.h
changeset 784 a48964a87141
parent 758 49b1a30c4dc4
child 785 a9b0863c2265
equal deleted inserted replaced
5:f853a88507b3 6:69b23e5ac096
   114     int run(Node s, Node t, int k) {
   114     int run(Node s, Node t, int k) {
   115 
   115 
   116       //Resetting variables from previous runs
   116       //Resetting variables from previous runs
   117       total_length = 0;
   117       total_length = 0;
   118       
   118       
   119       FOR_EACH_LOC(typename Graph::EdgeIt, e, G){
   119       for(typename Graph::EdgeIt e=loopFirst(typename Graph::EdgeIt(), (G)); e!=INVALID; ++e){
   120 	flow.set(e,0);
   120 	flow.set(e,0);
   121       }
   121       }
   122 
   122 
   123       //Initialize the potential to zero
   123       //Initialize the potential to zero
   124       FOR_EACH_LOC(typename Graph::NodeIt, n, G){
   124       for(typename Graph::NodeIt n=loopFirst(typename Graph::NodeIt(), (G)); n!=INVALID; ++n){
   125 	potential.set(n,0);
   125 	potential.set(n,0);
   126       }
   126       }
   127       
   127       
   128 
   128 
   129       
   129       
   142 	  //There are no k paths from s to t
   142 	  //There are no k paths from s to t
   143 	  break;
   143 	  break;
   144 	};
   144 	};
   145 	
   145 	
   146 	//We have to change the potential
   146 	//We have to change the potential
   147 	FOR_EACH_LOC(typename ResGraphType::NodeIt, n, res_graph){
   147         //#define FOR_EACH_LOC(Ittype, e, g) for(Ittype e=loopFirst(Ittype(), (g)); (g).valid(e); (g).next(e))
       
   148 	//FOR_EACH_LOC(typename ResGraphType::NodeIt, n, res_graph){
       
   149         for(typename ResGraphType::NodeIt n=loopFirst(typename ResGraphType::NodeIt(), (res_graph)); n!=INVALID; ++n){
   148 	  potential[n] += dijkstra.distMap()[n];
   150 	  potential[n] += dijkstra.distMap()[n];
   149 	}
   151 	}
   150 
   152 
   151 
   153 
   152 	//Augmenting on the sortest path
   154 	//Augmenting on the sortest path
   193     ///
   195     ///
   194     ///\todo Is this OK here?
   196     ///\todo Is this OK here?
   195     bool checkComplementarySlackness(){
   197     bool checkComplementarySlackness(){
   196       Length mod_pot;
   198       Length mod_pot;
   197       Length fl_e;
   199       Length fl_e;
   198       FOR_EACH_LOC(typename Graph::EdgeIt, e, G){
   200         //#define FOR_EACH_LOC(Ittype, e, g) for(Ittype e=loopFirst(Ittype(), (g)); (g).valid(e); (g).next(e))
       
   201         //FOR_EACH_LOC(typename Graph::EdgeIt, e, G){
       
   202         for(typename Graph::EdgeIt e=loopFirst(typename Graph::EdgeIt(), (G)); e!=INVALID; ++e){
   199 	//C^{\Pi}_{i,j}
   203 	//C^{\Pi}_{i,j}
   200 	mod_pot = length[e]-potential[G.head(e)]+potential[G.tail(e)];
   204 	mod_pot = length[e]-potential[G.head(e)]+potential[G.tail(e)];
   201 	fl_e = flow[e];
   205 	fl_e = flow[e];
   202 	//	std::cout << fl_e << std::endl;
   206 	//	std::cout << fl_e << std::endl;
   203 	if (0<fl_e && fl_e<capacity[e]){
   207 	if (0<fl_e && fl_e<capacity[e]){