### 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]