Bill Allombert on Mon, 09 Nov 2015 22:04:44 +0100

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pari-2.7.5(STABLE) released

Dear PARI lovers,

I would like to announce the release of pari-2.7.5 (STABLE). The sources
and Windows binaries are available from

This is a BUGFIX release for the stable branch. 
This release addresses all significant problems that could be fixed in a
simple, harmless way. However we strongly encourage you to upgrade since it
fixes a number of cases where PARI was returning an incorrect result. 

This release also fixes some warnings generated by clang 3.7, and compatibility
issues with perl 5.20 when doing "make clean".

  --- For Windows users: ---

A 64-bit installer package is available at:

A 32-bit installer package is available at:

  --- For Android users: ---

  An updated PariDroid package will be available soon.


Thanks to all those who reported problems, on the mailing lists or through
our Bug Tracking System. ( See ), or
who tested the preleases.

Have fun,

  Bill and Karim

P.S: The Changelog:

Bug numbers refer to the BTS at

Done for version 2.7.5 (released 09/11/2015):
[last column crossreferences current development release 2.8.0]

    1- forprime engine could skip (fast) sieve in favour of (slow)
       nextprime [#1711]                                                 [F113]
    2- 0^[1] -> domain error                                     [#1713] [F114]
    3- memory leaks (clones) in ellchangecurve                   [#1716] [F115]
    4- zeta inaccurate around 0                                  [#1714] [F116]
    5- bnrrootnumber did not support the trivial character [0,..,0]      [F118]
    6- default(log,1) when logfile is write-protected later lead to SEGV [F119]
BA  7- 2-adic gamma function: fix accuracy loss                          [F120]
    8- A==A -> 0 for A a t_SER of huge accuracy (so that A-A overflows
       valuation)                                                [#1734] [F121]
XR  9- P=Pol([1,-2,12,-12,-181,-4,-6899,9780,6360,702,-45]);
       for(i=1,10000,setrand(i);nfdisc(P)) -> crash              [#1735] [F122]
   10- select(x->x,Vecsmall([1,2,3]),1) -> crash                 [#1737] [F123]
BA 11- [libpari] RgV_to_RgX_reverse did not work if v[1] or v[2] was 0   [F125]
   12- bnfinit could fail at low precision                       [#1736] [F126]
   13- Rg_to_ff: incorrect type in zk_to_ff                      [#1755] [F127]
BA 14- nfsubfields could fail                                    [#1758] [F128]
   15- rare SEGV in ArtinNumber                                  [#1759] [F129]