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MathGroup Archive 2007

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Re: Reproducible kernel crash

  • To: mathgroup at smc.vnet.net
  • Subject: [mg80257] Re: Reproducible kernel crash
  • From: Andrew Moylan <andrew.j.moylan at gmail.com>
  • Date: Wed, 15 Aug 2007 04:32:52 -0400 (EDT)
  • References: <f9p4qn$qmi$1@smc.vnet.net><f9s4hg$aun$1@smc.vnet.net>

Thanks for your efforts in reducing the code required to demonstrate
this bug Naz!

I did CC my original post to support at wolfram.com so I assume they're
aware of it now. I hope they are monitoring this newsgroup to see your
reduction of it, if they haven't yet gotten that far in investigating
it themselves.


On Aug 14, 9:43 pm, Nazdrovje <nazdro... at gmail.com> wrote:
> I can reduce the code to
>
> ListCorrelate[#1, #1, 1] & @ InverseFourier[Fourier[Table[0, {17}]]]
>
> and it still crashes the second time. The length of the table should
> be 17 or higher for the crash to occur.
>
> Replacing InverseFourier[Fourier[Table[0, {17}]]] with their result if
> evaluated on a separate line, i.e. with {0., 0., 0., 0., 0., 0., 0.,
> 0., 0., 0., 0., 0., 0., 0., 0., 0., 0.} does *not* lead to a crash.
>
> ListConvolve leads to the same problems as ListCorrelate.
>
> Looks like a clear internal Mathematica bug. It does this in 6 only.
> Mathematica 5.2 works fine in this respect.
>
> I suggest you report it to Wolfram Research.
>
> Naz




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