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Re: [igraph] bipartite.projection : is this an error ?
From: |
Gábor Csárdi |
Subject: |
Re: [igraph] bipartite.projection : is this an error ? |
Date: |
Sun, 1 Nov 2009 09:32:42 +0100 |
On Sun, Nov 1, 2009 at 12:27 AM, Tamas Nepusz <address@hidden> wrote:
>> Everytime I execute the "bipartite.projection" function, I receive this
>> error (in red).
>
> [...]
>>
>> R(309,0xa08ae720) malloc: *** error for object 0x164fdc8: pointer being
>> freed was not allocated
>
> Same for me (igraph 0.5.2, R 2.9.0, Mac OS X 10.6.1). It looks like igraph
> is trying to free an object twice, at least that's my guess from the
> backtrace:
>
> (gdb) bt
> #0 0x90fba27e in malloc_error_break ()
> #1 0x90ec9203 in free ()
> #2 0x029c2917 in igraph_vector_destroy ()
> #3 0x028d67e9 in IGRAPH_FINALLY_FREE ()
> #4 0x02969fa2 in R_igraph_finalizer ()
> #5 0x0008200b in do_dotcall ()
> #6 0x000a77d2 in Rf_eval ()
> #7 0x0006105d in Rf_endcontext ()
> #8 0x000aa18f in Rf_applyClosure ()
> #9 0x000a7498 in Rf_eval ()
> #10 0x000d0308 in Rf_ReplIteration ()
> #11 0x000d06c0 in R_ReplConsole ()
> #12 0x000d09fb in run_Rmainloop ()
> #13 0x00001fa0 in main ()
>
> Maybe Gabor can tell more about it.
It does not happen on Linux. But maybe this is just because Linux is
ignorant, and there is really a double free. Will check it later. I
think there is nothing to worry about, though.
Gabor
> --
> Tamas
>
>
>
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> igraph-help mailing list
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> http://lists.nongnu.org/mailman/listinfo/igraph-help
>
--
Gabor Csardi <address@hidden> UNIL DGM
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