[cl-graph-devel] find-connected-components gives error at subgraph-containing

[Deepak Surti]

Hi Gary,

Thanks for the pointers.

In order to get this working, I had to do the following:

* (asdf:oos 'asdf:load-op 'cl-graph)

* (asdf-oos 'asdf:load-op 'metabang.bind)

* (asdf:oos 'asdf:load-op 'moptilities)

* (load ".....subgraph-containing.lisp")

Metabang bind was required as subgraph code refers to bind macro. I was
getting this error:

This was the related error that was showing up:

; caught ERROR:
;   (during macroexpansion of (SB-PCL::%DEFMETHOD-EXPANDER
MAKE-GRAPH-FROM-VERTEXES ...))
;   Illegal function call in method body:
;     ((EDGES-TO-KEEP NIL)
;      (G (METABANG.MOPTILITIES:COPY-TEMPLATE (GRAPH (FIRST VERTEX-LIST)))))

debugger invoked on a ASDF:COMPILE-FAILED in thread #<THREAD
                                                      "initial thread"
RUNNING
                                                      {10037317A1}>:
  Error while invoking #<COMPILE-OP (:FORCE T) {1002D92B41}> on
  #<CL-SOURCE-FILE "cl-graph-and-moptilities" "dev" "subgraph-containing">


Let me know in case of any questions,
Thanks,
Deepak Surti
PS: It's great to know you liked the tag line.



On Wed, Apr 27, 2011 at 4:12 AM, Gary King <gwking at metabang.com> wrote:

> Hi Deepak,
>
> When I try to find the connected components, it gives an error saying no
> applicable method for generic function subgraph-containing. I am not an
> expert in CLOS, hence any pointers appreciated.
> *
> *
>
>
> I don't think this is a CLOS problem. Several years ago when I was trying
> to reorganize and simplify cl-graph, I pulled the subgraph-containing code
> out into a separate system that requires moptilities:
>
> #+asdf-system-connections
> (asdf:defsystem-connection cl-graph-and-moptilities
>   :requires (cl-graph moptilities)
>   :components ((:module
> "dev"
> :components
> ((:file "subgraph-containing")))))
>
>
> There are a bunch of reasons subgraph-containing isn't loaded:
>
> * moptilities isn't around
> * asdf-system-connections isn't around
> * asdf-system-connections doesn't work with the latest ASDF (it may but I
> know I haven't tested it myself :-()
>
> So the first thing I'd do is see if subgraph-containing.cl has been
> compiled and loaded. If not, then that's probably the source of the error
> message you're seeing. To fix it, you should get moptilities and then load
> them and maybe load subgraph-containing.cl by hand.
>
> Let me know how it goes,
>
> thanks,
>
> http://deepaksurti.com
> You want to see a miracle. Then be the miracle.
>
>
> That's a great tag-line!
>
> --
> Gary Warren King, metabang.com
> Cell: (413) 559 8738
> Fax: (206) 338-4052
> gwkkwg on Skype * garethsan on AIM * gwking on twitter
>
>


-- 
http://deepaksurti.com
You want to see a miracle. Then be the miracle.
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