Bill Allombert on Tue, 14 Mar 2023 22:26:53 +0100

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pari-2.15.3 (STABLE) released

Dear PARI lovers,

I would like to announce the release of pari-2.15.3 (STABLE). The sources
and Windows and MacOS binaries are available from

This is a BUGFIX release for the stable branch.
This release addresses 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.

Binaries for ARM-based Mac are available, thanks to the
hardware provided by the Sagemath project, donations made to, and technical support from William Stein.


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 and happy new years,

  Bill, Aurel and Karim

P.S: The Changelog:

Bug numbers refer to the BTS at

[last column crossreferences current development release 2.16.0]
Done for version 2.15.3 (released 15/03/2023):

    1- rare infinite loop in idealtwoelt [#2437]                           [F19]
    2- nfisisom(16*x^4+1,16*x^4+1) -> error [#2432]                        [F20]
    3- forprimestep(p=a,b,q,) overflow when a > primelimit         [#2439] [F21]
BA  4- lfun([bnrinit(bnfinit(y^2+1),12),[[2,0],[6,0]]],2) -> error         [F22]
    5- lfunthetacost(polcyclo(43)): silent overflow                        [F23]
BA  6- ellcard(ellinit([1,1]*ffgen([41,16])))-> impossible inverse [#2441] [F24]
    7- wrong result (missing content) in idealred(nf, [id, elt])           [F25]
    8- det(integer matrix) -> inconsistent exact division [#2445]          [F26]
BA  9- fft([],[]) -> SEGV, fft([1],[1]) -> SEGV                            [F27]
BA  10- nfrootsof1(x^0) -> oo-loop                                         [F28]
BA  11- hgmalpha did not check its input                                   [F29]
BA  12- hyperellchangecurve([],[]) -> SEGV                                 [F30]
BA  13- hyperellchangecurve(x^0,[1,matid(2),0]) -> SEGV                    [F31]
BA  14- rnfeltnorm(x,x) -> SEGV                                            [F32]
BA  15- polylogmult(1,[],-1) -> SEGV                                       [F33]
    16- ellheight(non-integral E) -> crash [#2448]                         [F34]
    17- content(1,y) -> pol_1(y) instead of t_INT 1                        [F35]
    18- s=taylor(1/((x-1)*(y-1)),x); taylor(s,y) -> invalid object [#2452] [F36]
    19- avoid crashing when sumnumsidi diverges (0 bits of accuracy)[#2454][F37]