File pari-2.7.3.changelog of Package pari

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File pari-2.7.3.changelog of Package pari

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

Done for version 2.7.3 (released 18/02/2015):
[last column crossreferences current development release 2.8.0]

Fixed
    1- [from 2.7.2] ??bnrL1 and ??ellL1 did not work anymore
    2- thue(f^e*g, ...), e even, (f,g)=1 missed solutions such that f<0   [F22]
XR  3- bnrL1(bnrinit(bnfinit(x^2-168),[6,[1,1]],1)) -> bug in ArtinNumber [F55]
    4- nfisincl(t_POL, t_POL) could lead to wrong negative results        [F58]
    5- polresultant(1+x*z^2,1+y*z^4,z) -> GC error [#1614]                [F59]
BA  6- ellcard over non-prime fields could return wrong results           [F60]
    7- [libpari] FpX_roots could produce GC errors [#1618]                [F61]
    8- weber(1+I) was missing its imaginary part                          [F62]
    9- (1+I)*(1+1/2*I) => wrong result (type errors) [#1619]              [F63]
   10- contfracpnqn([a]) => [1,a;0,1] instead of [a,1;1,0]                [F64]
   11- primes([2^50, 2^50+200000]) => stack overflow                      [F65]
   12- issquare((x+1/2)^2,&z); z => 1.0*x+0.5 instead of x+1/2            [F66]
   13- possibly missing roots in nfroots (when using Trager)              [F68]
   14- quadray(bnf, ideal) did not work                                   [F69]
   15- thue(-14*x^3 + 10*x^2 + 63*x - 5,1) -> "short continued fraction"  [F70]
   16- thue(29*x^3+130*x^2-35*x-48,1) -> "round error" bug                [F71]
   17- T=thueinit(10*x^3+6*x^2-41*x+8,1); thue(T,8) => SEGV [#1630]       [F72]
   18- ellrootno(e,p = 2 or 3) when e not minimal at p => random result   [F73]
   19- agm(1,2+O(5)) -> SEGV [#1645]                                      [F76]
BA 20- [cygwin64] ellap(ellinit([0,0,1,-1,0]),10007) was broken           [F77]
   21- primes([-5,5]) -> [5] (spurious absolute values)                   [F78]
   22- matqr([;]) -> crash                                                [F79]
   23- Fp_rem_mBarrett could return a non-normalized result               [F80]
       p=436^56-35;Mod(271,p)^((p-1)/2) -> p+1
   24- plotcopy would corrupt "string" objects (ROt_ST)                   [F81]
BA 25- [GP] default arguments to GP functions could cause corruption      [F82]
VBr26- [darwin] remove obsolete linker options that cause crashes [#1623] [F83]

Done for version 2.7.2 (released 19/09/2014):
[last column crossreferences current development release 2.8.0]

Fixed
    1- gaffsg(0, t_PADIC): wrong valuation                                [F21]
    2- (t_INTMOD with word-sized modulus)^(huge negative power) [#1584]   [F24]
    3- (gp -p N) or (primelimit=N in gprc_ for N >= 436273290 resulted in an
       incorrect primetable. N.B. Such commands are now useless: needed primes
       are produced dynamically anyway.                                   [F25]
    4- monomial(exact zero, d, v) returned an invalid t_POL / t_RFRAC     [F26]
    5- contfracpnqn(v, n) returned partial quotients p[-1]/q[-1] ...
       p[n-1]/q[n-1], instead of the documented p[0]/q[0] ... p[n]/q[n]   [F27]
    6- factor((3+4*I)/25) -> factor 2+I had 0 exponent [#1586]            [F29]
BA  7- iferr() could crash if some component of the t_ERROR were clones.  [F31]
    8- nffactor() could overflow the stack when default accuracy too low  [F32]
BA  9- obsolete use of E=[a1,a2,a3,a4,a6] in ellmul crashed  [#1589]      [F33]
   10- incorrect rounding in mulrr/divrr for one-word precision reals     [F34]
BA 11- multiif did not handle correctly return() in conditions [#1590]    [F35]
   12- [0..5] -> [0,0,0,0,0] on some architectures                        [F36]
   13- is_gener_Fp could return wrong results                             [F37]
   14- Fq_sqrtn(t_INT,..,&zeta) could return a wrong root of 1            [F38]
   15- bnfinit: SEGV due to precision issues [#1592]                      [F39]
   16- zm_zc_mul only worked for square zm matrices                       [F40]
   17- genus2red(0,27*x^5+97*x^4+118*x^3+60*x^2+13*x+1,3) -> bug [#1596]  [F41]
   18- [gphelp] oo loop when $COLUMNS too small [#1594]                   [F42]
   19- genus2red(x,-x^6-3*x^4-10*x^2-1,3) -> impossible inverse [#1597]   [F43]
   20- factoru(1) returned a t_MAT instead of the expected "matsmall"     [F44]
   21- FpM_charpoly wrong in small characteristic [#1602]                 [F45]
   22- when compatible = 3; series() used a random precision              [F50]
   23- genus2red(0,6*x^6+5*x^4+x^2+1,7) -> impossible inverse [#1597]     [F51]
   24- isprime() could crash on large input [#1604]                       [F52]
   25- genus2red(x^3+1,1) -> type error [#1597]                           [F53]
   26- gphelp did not handle === correctly [#1603]                        [F54]
   27- FpXY_evaly() wrong when evaluating at 0                            [F56]
   28- [mingw] gp could crash at start up [#1607]                         [F57]

Done for version 2.7.1 (released 16/05/2014):
[last column crossreferences current development release 2.8.0]

Fixed
    1- make install fails on OS/X: ln -s libpari.dylib libpari.dylib fails [F1]
    2- Q_pvalrem(t_FRAC) => wrong result                                   [F2]
    3- [] == 0 but []~ != 0  (now []~ == 0 as well) [#1560]                [F3]
BA  4- test-kernel did not work when using --mt=pthread                    [F4]
BA  5- ellheegner was using too much memory in some case                   [F5]
BA  6- ellap can overflow on 32-bit machine [#1558] (minimal fix)          [F6]
    7- nfhilbert(K,x,y, P above 2) could give wrong results [#1561]        [F7]
    8- gcd(1/2, 1+I*1.) -> SEGV [#1563]                                   [F10]
    9- mathnf(t_VEC) could corrupt input (change sign)                    [F11]
   10- [libpari] RgM_transmul did not work                                [F12]
   11- [libpari] Fq_issquare didn't support T=NULL                        [F13]
   12- [libpari] nfpow_u didn't handle non-integral rational numbers      [F14]
   13- eint1(0) -> stack overflow [#1568]                                 [F15]
   14- nfroots(, t_POL with leading coeff -1) could miss solutions        [F19]
   15- precprime(1) -> invalid t_INT [#1576]                              [F20]

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