Changeset - r786:32baeb8e5c8f
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kpeter (Peter Kovacs)
kpeter@inf.elte.hu
Modify the implementation of ListDigraph::ArcIt (#311) The new implementation is based on out-arc iteration (like ListGraph::ArcIt) instead of in-arc iteration to make it consistent with the documentation.
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1 file changed with 7 insertions and 7 deletions:
lemon/list_graph.h
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lemon/list_graph.h
Show white space 2 line context
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@@ -118,5 +118,5 @@
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      for(n = first_node;
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          n!=-1 && nodes[n].first_in == -1;
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          n != -1 && nodes[n].first_out == -1;
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          n = nodes[n].next) {}
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      arc.id = (n == -1) ? -1 : nodes[n].first_in;
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      arc.id = (n == -1) ? -1 : nodes[n].first_out;
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    }
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@@ -124,10 +124,10 @@
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    void next(Arc& arc) const {
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      if (arcs[arc.id].next_in != -1) {
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        arc.id = arcs[arc.id].next_in;
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      if (arcs[arc.id].next_out != -1) {
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        arc.id = arcs[arc.id].next_out;
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      } else {
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        int n;
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        for(n = nodes[arcs[arc.id].target].next;
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            n!=-1 && nodes[n].first_in == -1;
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        for(n = nodes[arcs[arc.id].source].next;
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            n != -1 && nodes[n].first_out == -1;
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            n = nodes[n].next) {}
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        arc.id = (n == -1) ? -1 : nodes[n].first_in;
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        arc.id = (n == -1) ? -1 : nodes[n].first_out;
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      }
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