# $Id$
Bug numbers refer to the BTS at http://pari.math.u-bordeaux.fr/Bugs/
[last column crossreferences current development release 2.6.1]
Done for version 2.5.5 (released 20/09/2013):
Fixed
BA 1- [native kernel] FFT mulii relied on unspecified order
of evaluation [2.6.0-F118]
BA 2- [Configure] fix support for multiarch systems for GMP
3- local() could corrupt polynomial variable of the same name [F4]
4- Flm_Fl_mul returned a wrong result [F12]
5- allocatemem(2^36-1) --> corrupted stack [#1437] [F14]
6- stack corruption in carberkowitz / charpoly(,,3) [ session crash ] [F19]
7- subst(O(x^2),x,0*x) => SEGV [#1447] [F20]
8- bnfcertify() when primelimit < Zimmert bound => oo loop
9- dirmul/dirdiv: incorrect result length when valuation > 1 [F23]
10- x,y a t_PADIC, x === y always returned 0 [F24]
11- round((1e-40+x) / (1e-39+x)) would create the invalid object x/x [F26]
12- polgalois(x^11 + 627*x^4 - 584) -> F_110 instead of S_11 [#1460] [F27]
[last column crossreferences current development release 2.6.0]
Done for version 2.5.4 (released 13/05/2013):
Fixed
1- sin'(1) with default(compatible,3) caused a crash [F97]
2- rare corruption in ECM [#1240] factorint(,1) => SEGV [F98]
3- add missing call to normalize() in lift(t_POL/t_SER) [#1359] [F99]
BA 4- listput was not SIGINT safe [F100]
BA 5- znorder(Mod(5,16),200) -> 5 instead of 4 [F101]
JD 6- galoisinit(x^3+x^2-2*x-1) -> uninitialized read [#1389] [F106]
BA 7- polhermite(66) -> corrupted result [#1393] [F107]
8- polred() could return non-squarefree polynomials [#1395]
BA 9- galoisfixedfield() could return a wrong result for polynomials [F109]
with large roots [#1406]
10- bnrdisc could return a wrong result if the modulus had more than [F110]
2 prime divisors [#1399]
11- y;z;(x^2+y)*w/z/x -> significant pointers lost [#1248] [F113]
12- thue(thueinit(x^3-1493,1),3) -> error [F115]
13- typo in modr_safe -> precision error [#1413] [F116]
[last column crossreferences current development release 2.6.0]
Done for version 2.5.3 (released 03/10/2012):
Fixed
1- padicappr(x^2+1+O(3), -1+O(5^10)) --> no error [F34]
2- sqrtn(1+O(5),5) -> error, ispower(1+O(5),5) -> error [#1261] [F65]
PB 3- printf("%.6f", 5E-5) -> SEGV [#1328] [F83]
BA 4- diffop(Mod(y,x^2-y),[y],[1]) -> wrong result [F84]
BA 5- calling a GP function with a lot of omitted arguments could crashes [F85]
GH 6- missing solutions in thue() [#951] [F86]
7- t_RFRAC == t_RFRAC could return a wrong result [#1339] [F87]
8- obscure bug in polroots() (sage #13314) [F88]
BA 9- printf() did not flush output [F90]
10- polrootsff(2*x+1,2,y) -> SEGV [#1350] [F93]
BA 11- elltors() was using an insufficient precision [#1326]
12- resultant(x,x,y) -> 0 and related problems [F94]
13- thue((x^4+1)^2, 4) -> no solution [F95]
BA 14- idealramgroups() and idealfrobenius() did not accept a bnf [F96]
[last column crossreferences current development release 2.6.0]
Done for version 2.5.2 (released 20/06/2012):
Fixed
1- [from 2.5.1] substvec slowdown [F25]
2- logfile: strip properly color escape sequences [#1225] [C18]
BA 3- ispower(x < 0,, &n): n could have the wrong sign [#1302] [F45]
4- mathnf(..., 4) didn't remove 0 columns from HNF [#1271] [F61]
JD 5- possible SEGV in pari_init_opts [#1264] [F62]
BA 6- ellorder(E,P*Mod(1,p)) did not work if E was defined over Z [F63]
7- parimacro.tex: pdftex --output-format dvi would produce a PDF [F66]
BA 8- pari_close failed to free all allocated memory [#1297] [F67]
9- issquarefree(0) => error [#1304] [F71]
10- sqrt(0.E-97-1.12-97*I) -> div by 0 [#1309] [F76]
PH 11- vecsort0 was not valid C code (miscompiled by gcc 4.7)
BA 12- FpX_gcd(0,x) -> div by 0 [F77]
13- x; y; p; q; subst(Mod(q,p), q, x + y) --> Mod(1, p)*x [#1321] [F78]
[last column crossreferences current development release 2.6.0]
Done for version 2.5.1 (released 06/02/2012):
Fixed
1- Euclidean chains were confused by t_POLs with t_INTMOD coeffs [F01]
[ because a 0 polynomial could have lg() == 3 ]
2- remi2n didn't allow negative arguments [native kernel] [#1215] [F04]
3- qfbred(t_QFR) wrong when frac( sqrt(D) ) > 0.5 [F06]
4- problems with diagnostic messages when changing a 'default', e.g \o3[F08]
5- divru() could call bfffo(0) => overflow in expo() [F09]
AMe 6- (t_FRAC<0) * t_INTMOD => wrong result [F10]
7- trace(t_POL or t_SER) could yield unormalized object [0 lead. term] [F11]
LGr 8- off-by-1 error in primepi() when argument is = primelimit [F12]
9- crash when default(prettyprinter,...) points to non-existent cmd [F15]
10- qfperfection(): wrong result in unlucky cases [#1223] [F16]
BA 11- allocatemem() did not reset parse error [#1226] [F17]
BA 12- (x->vector(1,j,x))(1) --> significant pointers lost [#1211] [F18]
VL 13- [makefile] Incorrect -I and -L flags order [#1212] [F19]
14- nfbasis / nfdisc(f,, partial factorization) would sometimes spend a [F20]
lot of time trying to factorize a discriminant [#1227]
BA 15- missing consistency checks in conjvec [#1231] [F22]
16- wrong result in bezoutres [#1233] [F24]
17- wrong sign in polresultant() [#1234] [F25]
18- subst(Y/X,X,x) -> 0 [F27]
PB 19- polrootsff(x^2-x-ffgen((v^2+1) * Mod(1,3))) -> SEGV [#1241] [F28]
BA 20- functions ending by the x[y]=z construct could corrupt the stack. [F30]
BA 21- test-kernel and test-ploth did not work [F35]
BA 22- for(i=1,10^7,) + SIGINT -> SEGV [#1249] [F37]
BA 23- mateigen precision error was not trappable. [F40]
24- broken rnfeltup [#1256] [F42]
25- x===y was always wrong for x,y t_SER [F43]
26- ispower(x < 0) could return an even value ! [#1259] [F45]
27- ispower(1 / n) return a wrong result [#1259] [F46]
BA 28- [breakloop] initial context could be lost. [F47]
BA 29- Ser([1+O(x)],x) returned an invalid object. [F48]
BA 30- ispseudoprime used too much stack for huge operands. [F49]
31- [rnfidealup doc] idealgentoHNF() was incorrect. [F50]
DS 32- elldivpol returned wrong result for degree n >=8. [F51]
33- overflow in mpbern(n) for huge n [#1256] [F52]
34- psdraw() ignored plot colors [F55]
BA 35- stack_base() was not C89 standard compliant. [F56]
BA 36- my(f(x)=x+1);f --> SEGV [#1273] [F57]
37- ellheight([0, 0, 1, -1, 0], [0., 0.]) -> BUG [F58]
Changed
BA 1- [darwin] do not use dylib_ prefix to ld options [#1210] [C12]
2- delete README-subversion, replace with README-git [C22]
3- much faster final divisibility test in nfgcd() [#1214] [C25]
Added
BA 1- [INSTALL] Documentation of RUNTEST
BA 2- [Configure] support for multiarch systems