[SciPy-user] extracting elements of a matrix using arrays as indices (SEGFAULT!)
Travis E. Oliphant
Thu May 22 01:37:01 CDT 2008
Michael Hearne wrote:
> Thanks for the help - the method below works just fine in my real
> application (which has nothing to do with setting elements of an array
> to zero - that was just a simple example of something to _do_ with the
> data being indexed).
> However, I am still concerned about the larger problem of getting a
> segfault using ANY method of indexing an array. If it is user error
> that is causing the problem, then shouldn't I get an exception that
> tells me my syntax is somehow incorrect?
> I've added SEGFAULT to the subject line in hopes that someone
> responsible for the core NumPy code (Travis O., perhaps?) will take
> notice and address the issue. If that happens, once again, I'm happy
> to help test on my version of NumPy wherever needed.
Thank you for finding this bug. It is a bug due to over-flow
calculations causing a loop not to terminate correctly (therefore
walking over available memory). It should be fixed in latest SVN
version of NumPy.
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