Re: [Boost-users] Adjacency List vertex access

Subject: Re: [Boost-users] Adjacency List vertex access
From: Cedric Laczny (cedric.laczny_at_[hidden])
Date: 2011-05-04 09:57:48

On Wednesday, 4. May 2011 13:07:31 Carlo jardinier wrote:
> I try to use the adjacency list from boost. I can fill the list with
> vertices and edges, but somehow I cannot access a specific vertex or
> edge.
> 
> For example this is not working (see test.cpp):
> **
> struct EdgeProperties {
>       bool bConnectedBond;
>       EdgeProperties(){bConnectedBond=false;}
> };
> struct VertexProperties{
>        int index;
>        int spin;
>        bool bOnCluster;
>        VertexProperties(): spin(){ bOnCluster = false;}
>        ~VertexProperties(){       }
> };
> typedef adjacency_list< vecS, vecS, bidirectionalS, VertexProperties,
> EdgeProperties > Graph;
> typedef graph_traits< Graph >::vertex_iterator Vit;
> 
> Graph g(9);
> unsigned int i = 3;
> Vit vi;
> vi = vertex(i,g);
> **
> 
> I want vi to bi an iterator that points on the 3. vertex of the graph g.
> I attached the error message from g++ when compiling.
> 

Here (gcc-4.3.4 and boost-1.42), I get no error messages. It compiles fine. 
What is your system configuration please?

> Can anyone help?

Best,

Cedric