Bug numbers refer to the BTS at http://pari.math.u-bordeaux.fr/Bugs/ Done for version 2.11.2 (released 12/05/2019): Fixed 1- make ellheight(E, torsion point) return an exact 0 [#2109] [F45] BA 2- hyperellcharpoly: wrong results over Z/3Z [F46] 3- gmp kernel: off-by-1 error in red_mongomery [read uninitialized [F47] memory, then ignores result] 4- intnuminit([-1,-1/2],[1,-1/2]) twice slower than it should [F48] 5- forcomposite(n=2,4,print(n)) -> empty [#2096] [F49] FB 6- [Configure] library not found despite --with-readline-lib [#2097][F53] 7- minpoly(Mod(1,t^2)) -> SEGV [#2102] [F55] 8- a=ffgen(3^2,'a);poldisc(x^6+a*x+y) -> division by 0 [ positive [F56] characteristic with a few t_INT coefficients ] BA 9- [pthread] parapply could crash [F58] BA 10- ffinvmap(m) could SEGV on bad input [F59] 11- ellisdivisible(E/K number field in 'x) -> incorrect priority [F60] 12- idealispower(nf, t_INT n) possibly wrong if (n, nf.disc) > 1 [F61] 13- zeta''(0): all precision lost [more generally f'...'(n quotes) imprecise in the neighbourhood of 0, while derivnum(,n) was OK] [F62] 14- sumdigits(negative number, B) sometimes negative [F63] 15- poldiscfactors(x^0) -> division by 0 [F64] 16- factormod(x^3+1,[y^2+1,2]) -> SEGV [F65] 17- factormod(x^3+1,[y^2+1,5]) -> weird error message [F66] BA 18- fix inefficiency in fplll not present in original code [F69] 19- polrootsreal(x^4+2*x^3+x^2/3+x/100-1/2000,[1/100,oo]): no root [F70] 20- polrootsreal(x^4+2*x^3+x^2/3+x/100-1/1000,[1/10,oo]): extra root [F71] 21- lfun may crash on lfuncreate input with too short an vector [F72] BA 22- incorrect use of graphcolors -> SEGV [F73] 23- forcomposite(..., oo, ) was not supported [F74] BA 24- lfunartin with poles: incorrect result [F75] JD 25- factor: significant pointers lost [#2125] [F76] BA 26- matdet/matrank over large fields was inefficient [F77] 27- poldisc(y^2/x + 1, y) -> error [also affects polresultant] [F78] 28- poldisc(x^2/y + 1, y) -> 0 [also affects polresultant] [F79] 29- ispower(2, 2^64) -> error [F80] 30- (f(x) = x*'y); f'(1) -> error [F81] BA 31- sqrtn(Mod(3,19),4) -> no error [#2127] [F82] 32- nfhnfmod: wrong result [F83] 33- matdet(mat with t_RFRAC entries): wrong result [#2128] [F84] 34- n-th derivative of zetahurwitz used 'seriesprecision' instead of n + imprecise value when n large [#2130] [F85] 35- lfunzeros(f, [0, b]) wasn't allowed [F86] 36- mateigen(): typo causing wrong results when correct results were achievable [#2131] [F87] 37- intnum(x=-oo,[0,-1/2],1/sqrt(-x*(x^4+1))) -> division by 0 [F88] 38- printtex(quadgen(-3,'z)) ==> w [F90] BA 39- [a,b]=a could lead to memory corruption [F91] 40- memory leak in cgetalloc when lg overflows [F92] 41- possible SEGV in padicappr [#2133] [F93] 42- core() could destroy its input, if stored in a GP variable [F96] 43- quadgen(2^64+1) * 1. => junk (stack corruption in quad_disc). [F97] 44- ellmoddegree: infinite loop and stack corruption (e.g on 52a2) [F98] 45- ellmoddegree(ellinit("10890ba6")) -> wrong result [F99] 46- nfgcd called ZX_resultant(a,T) with typ(a) == t_INT [F100] Done for version 2.11.1 (released 1/12/2018): Fixed 1- heap-buffer-overflow in init_prefix [readline] [F4] 2- mfsplit(mf,,flag) could return uninitialized objects => SEGV [F5] 3- mfeisenstein(k,,chi) was treated as E(k,chi) instead of E(k,1,chi)[F6] 4- poldegree(y/x) -> 0 [ instead of -1 ] [F7] 5- sumeulerrat(y/x^2,1) -> junk [F8] HC 6- incgam(-1000.4,2) -> SEGV [F9] 7- mfatkininit(mfinit([366,2]),2) -> precision error [F10] 8- forprimestep: wrong when wrapping over word boundary [#2071] [F11] 9- mfbracket: [f,g]_m was multiplied by (-1)^m [F12] 10- wrong results in mfatkininit / mfatkineigenvalues [#2073/#2074] [F13] 11- issquare(Mod(x,ffinit(3,2))) -> wrong result [broken Fq_ispower] [F14] 12- possible SEGV in rnfpseudobasis(, [pol,lim]) [F15] 13- wrong result in elllog over F_p, p in [2^63,2^64[ [F16] 14- wrong result in mfsymboleval when path extremities are close to [F17] real axis (cusps were OK) [#2075] 15- mfcoefs(mfDelta(),0) -> SEGV [#2078] [F18] 16- GC error in lfuncreate(elliptic curve over number field) [#2080] [F19] 17- X11 and Qt graphic engine: pari_close called too soon => crash [F20] 18- pariold.h: mix up with obsoleted taille / taille2 [F21] 19- foo(n)=vector(n)[1..n];123; would corrupt the GP interpreter [F22] 20- Pol(0)/'x -> t_INT 0 (instead of 0*x^0) [F23] Pol(0)/(Mod(1,2)*'x) -> t_INT 0 (instead of Mod(0,2)*x^0) 21- missing typecheck in nfalgtobasis [#2084] [F24] 22- dbllog2(t_COMPLEX of t_FRAC) => junk [F25] 23- nffactor(t_POL, t_POL) => bug in LLL_cmbf [#2083] [F26] 24- ideallog(pure archimedean conductor, t_FRAC) -> log(0) error [F27] 25- lfunrootres: avoid oo-loop [F28] 26- mfgaloistype: dihedral forms possibly incorrect for N > 3000 [F29] 27- mfgaloistype: error on mf=mfinit([1159,1,Mod(930,1159)],0); [F30] 28- hash_GEN(x) differed depending on whether x was a clone [F33] BA 29- [mpi] setting nbthreads in .gprc could lead to crashes. [F34] 30- accuracy too large in derivnum => slowdown [F35] 31- nfisincl(x^5-x^4+x^3-2*x^2+3*x-1,x^20+x^15+x^10+x^5+1) -> SEGV [F36] 32- stack corruption in addsub_frac [F37] AP 33- segfault in rnfidealup [#2093] [F38] 34- Ser(x,x,0) -> error instead of O(x) [#2092] [F39] 35- fix mspolygon(,2) [add 1/3rd hyperbolic triangles + fix labels] [F40] 36- factor(3/(x^5+3*y*x^4+3*y^2*x^3+y^3*x^2)) -> SEGV [F41] 37- catastrophic cancellation in acosh / asinh for large t_COMPLEX [F43] 38- zeta(1/2 + I*t) => internal error [F44]