pari-2.11.3(STABLE) released

[Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>]

Dear PARI lovers,

I would like to announce the release of pari-2.11.3 (STABLE). The sources
and Windows and MacOS binaries are available from

  http://pari.math.u-bordeaux.fr/download.html

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.

  --------------------------

Thanks to all those who reported problems, on the mailing lists or through
our Bug Tracking System. ( See http://pari.math.u-bordeaux.fr/Bugs/ ), or
who tested the preleases.

Have fun,

  Bill and Karim

P.S: The Changelog:

Bug numbers refer to the BTS at http://pari.math.u-bordeaux.fr/Bugs/

Done for version 2.11.3 (released 03/03/2020):
[last column crossreferences current development release 2.12.1]
  Fixed
    1- qfisom([16,6;6,10],[4,3;3,10]) was not 0. [#2140]          [2.12.0-F102]
    2- mfeval: wrong result when level and space didn't match     [2.12.0-F103]
BA  3- nfisincl(x^3+9,x^6+2187): wrong result [#2144]             [2.12.0-F104]
    4- ispower(27,2^60) -> SEGV [#2145]                           [2.12.0-F105]
BA  5- matsolve(M,vector(n)) return result of wrong dimension     [2.12.0-F106]
    6- [Windows] no longer crash on deep recursion [#2105]        [2.12.0-F107]
    7- factor(Mod(x^3 + x + y^2,2)) -> oo loop [#2148]            [2.12.0-F108]
BA  8- plotlines flag was ignored                                          [F1]
    9- fileopen(,"w" or "a") was bypassing the check for 'secure' default  [F2]
   10- bnfcertify did not certify correctly its argument when DEBUGLEVEL > 1
       (\g 2 and above) and the computed class group was trivial (introduced
       in 2002, commit d3d44841). The code was correct at \g1 or \g0, and in
       all cases if the computed class group was non-trivial.              [F4]
   11- [mf,F] = mffromqf([2,0;0,2]); L=lfunmf(mf,F) => wrong values        [F7]
   12- t=mfTheta();mfslashexpansion(mfinit(t),t,[0,1;-1,0],1,1) -> error   [F8]
   13- poldisc(x^4 + 8/y*x) -> type error in Q_divi_to_int [#2157]         [F9]
   14- T=mfTheta(); mfeval(mfinit(T),T,I/10) -> wrong sign                [F10]
   15- quadtofp(quadgen(-3)) -> t_FRAC component [#2158]                  [F13]
   16- conjvec(t_FFELT of characteristic 2) was missing a conjugate       [F15]
   17- nf2 = nfnewprec(nf) could return incompatible nf2 [#2154]          [F16]
   18- issquare(non square t_FFELT, &x) -> SEGV [#2163]                   [F20]
   19- modular symbols package: better type checks                        [F23]
   20- division by 0 in Flx_extresultant when one input is 0              [F24]
   21- internal error in isprime(,1) after addprime() [#2166]             [F26]
   22- ZM_gauss returned incorrect result for t_MAT RHS and 0 input       [F27]
BA 23- lfunhardy(..., t) with t<0 -> error                                [F28]
BA 24- ellweilpairing(E,P,P, odd m) -> wrong result [#2172]               [F29]
PB 25- FlxqM_mul could return wrong result [#2174]                        [F30]
   26- p = 4*vecprod(primes([3,373]))*587-1; quadclassunit(-p) -> SEGV    [F31]
   27- M=mfinit([11,2,Mod(3,11)]); f=mfbasis(M)[1];
       lfuncheckfeq(lfunmf(M,f)) -> type error                            [F34]
   28- rare random SEGV in nfbasis [#2178]                                [F35]
   29- missing type checks in lfunthetacheckinit [#2179]                  [F36]
   30- idealispower(x,n,&y): y could be incorrect [#2181]                 [F37]
   31- SEGV in idealispower [#2183]                                       [F38]
XR 32- factorpadic: incorrect factors (might not lift to Q))
        E.g. T=polsubcyclo(271,9); factorpadic(T,3,7)[4,1]                [F40]
BA 33- polcompositum(x^2+x/3+1,x^2+x/3+1) -> SEGV                         [F41]
   34- p=nextprime(2^20);q=nextprime(2*p);n=q*p;v=n+1;P=x^2-1;
        zncoppersmith(v*P,v*n,p,p*v) --> oo loop                          [F42]
   35- missing reduction of pr.gen in idealprimedec [ slowdown ]
        + nfmodprinit [ division by 0 ]                                   [F43]
   36- lfuninit: lfunrootres calls too expensive if rootno and polar part [F47]
   37- incorrect rounding in divrr(realprec = 3)                          [F48]
   38- polrootsreal(x+0.) -> SEGV                                         [F49]
   39- qflllgram([2,2,3;4,5,6]) -> SEGV                                   [F51]
   40- printf("%10.6f\n",2^-100) -> SEGV [#2198]                          [F52]
BA 41- ((x^7+x^3+x+1)*Mod(1,Mod(1,2)*d))%(x^4+x^3+x^2+1)->x^3+x
        instead of Mod(1,2)*x^3+Mod(1,2)*x [#2199]                        [F54]
   42- ellocalred / K != Q: wrong encoding for I0 (kod = 1 instead of 0)  [F56]

  Added
IZ  1- [win32+gp-sta] support for install()                        [2.12.0-A65]