On 13 June 2018 at 09:34, Jeroen Demeyer <[email protected]> wrote:
> On 2018-06-13 10:25, John Cremona wrote:
>
>> THanks for looking into this Jeroen (I hoped you would). The file
>> bug.gp <http://bug.gp> you attached causes an error in the latest gp
>> (version 2.10.0), after increasing parisizemax I get the same error
>> message.
>>
>
> What are the *exact steps* for reproducing it? I still haven't managed so
> far.
At the command line (bash on Linux) I type gp, and then at the first prompt
I type
\r bug.gp
That led to the following exactly:
$ gp
GP/PARI CALCULATOR Version 2.10.0 (development git-88fb5b3)
amd64
running linux (x86-64/GMP-6.0.0 kernel) 64-bit version
compiled:
Dec 12 2017, gcc version 4.8.5 20150623 (Red Hat 4.8.5-16) (GCC)
threading engine: single
(readline v6.2 enabled, extended help enabled)
Copyright (C) 2000-2017 The PARI Group
PARI/GP is free software, covered by the GNU General Public License, and
comes WITHOUT ANY WARRANTY WHATSOEVER.
Type ? for help, \q to quit.
Type ?15 for how to get moral (and possibly technical) support.
parisize = 8000000, primelimit = 500000
? \r bug.gp
*** at top-level: nffactor(f,g)
*** ^-------------
*** nffactor: the PARI stack overflows !
current stack size: 8000000 (7.629 Mbytes)
[hint] set 'parisizemax' to a non-zero value in your GPRC
*** Break loop: type 'break' to go back to GP prompt
break>
? default(parisize,1000000000)
*** Warning: new stack size = 1000000000 (953.674 Mbytes).
? \r bug.gp
*** at top-level: nffactor(f,g)
*** ^-------------
*** nffactor: bug in LLL_cmbf [no factor], please report.
*** Break loop: type 'break' to go back to GP prompt
>
>
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