[Ecls-list] New 'random bug in 9.12.1

[Pascal Costanza]

On 1 Dec 2009, at 23:23, Juan Jose Garcia-Ripoll wrote:

> On Tue, Dec 1, 2009 at 10:54 PM, Waldek Hebisch
> <hebisch at math.uni.wroc.pl> wrote:
>> Juan Jose Garcia-Ripoll
>>> No, a different bug related to RANDOM was reported yesterday afternoon
>>> and I produced a fix that seems to work on the systems which I could
>>> test. Obviously the sample was not large enough and it breaks for
>>> 64-bits machines. What I can't explain is why the test farm did not
>>> reveal the problem this morning.
>>> 
>> 
>> Maybe it _sometimes_ works?  Today on my machine I see the same problem
>> as Pascal Costanza.  After setting time back one day (random 100)
>> crashed but I was able to do
>> 
>> (random (expt 2 10000))
>> 
>> After setting time to correct value the above crashes.  As far as
>> I remember the testcase I reported worked yesterday using version
>> I pulled from git.  Today the same version has problem...
> 
> I have changed the code and am running it in a 64-bits box as well. I
> think I have identified the two problems that orginated the random
> random bug. When I finish I will produce a patched tarball.
> 
> Sorry for the inconvenience, but please understand that these things
> do not happen on purpose.

Don't worry. Nobody claimed otherwise. (That would actually be cool, if you could produce _such_ bugs on purpose. ;)


Pascal

-- 
Pascal Costanza, mailto:pc at p-cos.net, http://p-cos.net
Vrije Universiteit Brussel
Software Languages Lab
Pleinlaan 2, B-1050 Brussel, Belgium