Hi everyone:

 

    When I read through pgDijkstra code, in boost_wrapper.capp, I found following 2 lines:

 

    // FIXME: compute this value

    const unsigned int num_nodes = ((directed && has_reverse_cost ? 2 : 1) * count) + 100;

 

    I want to know what is num_nodes is for? And what does it affect if it is smaller than program needs?  Will it cause bug?

 

Thanks in advance,

Fay

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