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Subject: Re: [Boost-users] [Graph] Problems with in-edges for a user defined AdjacencyList
From: Jeremiah Willcock (jewillco_at_[hidden])
Date: 2010-07-30 11:43:54

On Fri, 30 Jul 2010, Berit Løfstedt wrote:

> Hi,
> I am fairly new to boost and I have a problem using the in_edges(v, G)
> function.
> I have defined a graph of type AdjacencyList:
> typedef adjacency_list<
> vecS,
> vecS,
> directedS,
> VertexProperties,
> EdgeProperties
>> mcf_graph;


> produces the error:
> error: no matching function for call to 'in_edges(vertex_descriptor&,
> mcf_graph&)'
> The problem does not occur for out_edges. From the examples I have seen
> AdjacencyList should support both functions. Can anybody explain to me why
> in_edges do not work for this example?

The AdjancencyList concept only requires out_edges(). If you want
in_edges(), your graph must be specified with bidirectionalS rather than
directedS as the directedness category.

-- Jeremiah Willcock

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