Vincent Lefevre on Mon, 26 May 2014 09:16:30 +0200

[Date Prev] [Date Next] [Thread Prev] [Thread Next] [Date Index] [Thread Index]

Re: bug in PARI/GP (Segmentation Fault), please report.

On 2014-05-25 03:41:31 -0700, John W. Nicholson wrote:
> Is this a bug on my machine, or can it be reproduced by others? Has
> this been reported before?

On Debian/unstable, I get:

xvii:~> gp
Reading GPRC: /home/vinc17/.gprc ...Done.

                  GP/PARI CALCULATOR Version 2.7.1 (released)
          amd64 running linux (x86-64/GMP-6.0.0 kernel) 64-bit version
          compiled: May 16 2014, gcc version 4.8.2 (Debian 4.8.2-21) 
                           threading engine: pthread
                 (readline v6.3 enabled, extended help enabled)

                     Copyright (C) 2000-2014 The PARI Group

PARI/GP is free software, covered by the GNU General Public License, and comes 

Type ? for help, \q to quit.
Type ?12 for how to get moral (and possibly technical) support.

parisize = 8000000, primelimit = 500000
? n=2;while(ln(prime(n))>ln(prime(n+1))/exp(1/(n))&&n<pl,n++);print(n)
  ***   at top-level: n=2;while(ln(prime(n))>ln(prim
  ***                           ^--------------------
  ***   not a function in function call
A function with that name existed in GP-1.39.15; to run in backward 
compatibility mode, type "default(compatible,3)", or set "compatible = 3" in 
your GPRC file.

New syntax: ln(x) ===> log(x)

log(x): natural logarithm of x.

  ***   Break loop: type 'break' to go back to GP prompt

Vincent Lefèvre <> - Web: <>
100% accessible validated (X)HTML - Blog: <>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)