Dear all, I'm currently using C-igraph to study users surfing specific networks. I use some attributes to identify the nodes of my networks. An igraph_t variable is a protected data member of a particular class. Trying to set the attributes (with functions like SETVAB, SETVAN) in one constructor of the class, I get a segmentation fault. I put "igraph_i_set_attribute_table(&igraph_cattribute_table);" at the beginnig of the main. If I try to set attributes to an igraph_t variable in the main (and not to a igraph_t datamember of a class) everything's ok. What is wrong with setting atributes of a graph in the constructor of a class?
Thank you in advance Giovanni Paleari
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