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math.exp bug on alpha?

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Luigi Ballabio

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Jan 10, 2002, 11:10:02 AM1/10/02
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Greetings,
on alpha debian, python 2.1.1-8:

>>> import math
>>> math.exp(-720)

aborts the interpreter with a floating point exception. The strange thing
is, exp(-700) and exp(-750) both work.

Any insight?

Thanks in advance,
Luigi


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Mikhail Sobolev

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Jan 10, 2002, 1:28:54 PM1/10/02
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On Thu, Jan 10, 2002 at 06:29:58PM +0100, Bastian Kleineidam wrote:

> On Thu, Jan 10, 2002 at 05:25:43PM +0000, Luigi Ballabio wrote:
> > on alpha debian, python 2.1.1-8:
> >
> Works for me, no aborts. (i386, python 2.1.1-8)
Just compare the platform... :)

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Misha

Bastian Kleineidam

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Jan 11, 2002, 5:41:49 AM1/11/02
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On Thu, Jan 10, 2002 at 09:28:30PM +0300, Mikhail Sobolev wrote:
> On Thu, Jan 10, 2002 at 06:29:58PM +0100, Bastian Kleineidam wrote:
> > On Thu, Jan 10, 2002 at 05:25:43PM +0000, Luigi Ballabio wrote:
> > > on alpha debian, python 2.1.1-8:
> > >
> > Works for me, no aborts. (i386, python 2.1.1-8)
> Just compare the platform... :)
I did. So its a platform specific bug.

Bastian

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