bug in random

Bill Allombert on Mon, 27 Jan 2003 18:25:05 +0100

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bug in random

To: pari-dev@list.cr.yp.to
Subject: bug in random
From: Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>
Date: Mon, 27 Jan 2003 18:25:05 +0100

Hello PARI developers,
It looks like there is a nasty bug bug in random:

? p=2^128+1;sum(i=1,1000,random(p)==p-1)
%1 = 511

This bug is in both CVS and stable 2.1 versions, so is unrelated
to the change induced by the GMP kernel :^p 

Cheers,
Bill.

Follow-Ups:
- Re: bug in random
  - From: Karim BELABAS <Karim.Belabas@math.u-psud.fr>

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