# $Id: CHANGES,v 1.1546.2.54 2007/03/27 15:16:36 kb Exp $
Bug numbers refer to the BTS at http://pari.math.u-bordeaux.fr/Bugs/
Done for version 2.3.2 (released 28/03/2006):
[last column crossreferences current development release 2.4.1]
Fixed
1- [Cygwin] missing -L... -lgmp when compiling with gmp. [F2]
2- ispower(522^3) -> 0 [ looked like a 7th power to is_357_power(), which
then forgot to test for cubes ] [#506] [F3]
3- when nf.disc < 0, nf.diff was an incorrect PARI ideal [#510] [F6]
4- nf.codiff was only correct up to multiplication by some rational [F7]
number (a divisor of nf.disc) [#510]
5- inaccuracy (>= 2ulp) in [cached] log(2) [#498] [F8]
6- exp, sinh, asinh, tanh, atanh were inaccurate near 0 [F9]
7- [GMP kernel] forvec(x=[[-1,0]],print(x)) --> error [#509] [F10]
[ 'resetloop' failed when passing through '0' ]
8- nfbasistoalg(nfinit(y),x) created an invalid t_POLMOD [F11]
9- incorrect result in ZX_resultant (accuracy loss computing bound) [F12]
10- [Configure] gcc-specific flags were used on linux/freebsd/cygwin,
even when __gnuc__ was unset [F14]
11- factor( pure power FqX ) --> SEGV [F15]
12- [GMP kernel] polrootsmod(f, 4) --> wrong result [ low level t_INT [F16]
manipulation not using the int_* macros ]
13- polrootspadic(f, 2, r) --> some roots would be found twice [F17]
[ due to FpX_roots(f, 4) called ] [#521]
14- ??sumalt doesn't compile: in GPHELP, treat \ref in verbatim [F18]
mode[#518]
15- matinverseimage returned [;] when no pre-image exists. Conform to [F20]
the docs: "an empty vector or matrix", depending on the input types.
16- 3.5 % 2 --> error [ should be 0.5 ] [F22]
17- sin(1/10^100) --> 0e-28 [ also affected cos,tan,cotan ] [F23]
18- check that k >= 0 in thetanullk [#531] [F26]
19- isprime(-2,1) returned 1 [F27]
20- Fix 'Not enough precision in thue' error [F28]
BA 21- [OS X] Fix kernel detection on x86_64-darwin [F29]
BA 22- [Configure] spectacular failure to recognize gcc under some locales[F34]
23- polredabs(x^8+2*x^6-5*x^4+78*x^2+9) was incorrect [ missed
x^8+6*x^6-x^4+54*x^2+25 due to incorrect "skipfirst" ] [F35]
24- typo in resmod2n (specific to GMP kernel) [#546] [F36]
25- nfmodprinit could create FpX's which were not reduced mod p [F40]
26- O(x^3)^(1/2) was O(x^2) instead of O(x) [F41]
27- substpol(x^-2+O(x^-1),x^2,x) --> error [#555] [F43]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Done for version 2.3.1 (released 06/10/2006):
[last column crossreferences current development release 2.4.0]
Fixed
1- typo in remiimul: wrong result in a "failsafe" branch (hardly ever
taken). May affect modular powering /Fp if p >> 10^1300 [#457]
Also affects the gmp kernel, for p >> 10^5800. [F1]
2- inconsistent return type in nffactormod [#460] [F3]
3- gammah(1+O(3^5)) --> incorrect type in ggamd. [F8]
4- invalid read in copy_leaf [ SEGV in some libc ] [F9]
BA 5- ellheight short help was accidentally truncated. [F10]
6- substpol(1+O(x^(2*n)),x^2,x) --> 1+O(x) instead of 1+O(x^n) [#470] [F11]
7- [OS X] only use -no-cpp-precomp with Apple cc [F12]
8- divrem(x,x,y) --> [1/y*x, 0] [F13]
9- typo in qflll: in rare cases (exact input+floating point computation+
precision increase in last-but-1 step), the returned base change is not
properly updated in last iteration --> basis not LLL-reduced [F15]
10- (1+x)/(1-x)/(1+x)^2 not simplified [#472,#473] [F14,F16]
11- ispower(x^k, k) would answer 0 for some x and k in {3,5,7} [#476] [F17]
12- content(t_MAT with exactly 1 col) gave a wrong result [F18]
13- rare bug in red_montgomery (returning 0 with + sign, an incorrect object)
[ polrootspadic(x^11+x,11,10) --> corrupts gen_0 ] [F20]
14- qfbsolve(Qfb(1,2,10),5) --> [0,0; 0,0] instead of 0 [#479] [F21]
15- ispower(0, n, &z) would not set z [F22]
16- wrong result in conversion t_QUAD -> t_PADIC whenever disc = 1 (4) [F23]
JJ 17- gaddgsz macro was wrong [#481] [F24]
18- polsubcyclo(p^k, q) --> wrong result [ gener_Fl(p^k) can't handle
k > 1, use gener instead ] [#480] [F25]
SC 19- [GMP] mp_set_memory_functions was called with an incompatible realloc
function. [#484] [F26]
AM 20- [TeXmacs] typo in texmacs_output: x --> [#491] [F30]
BA 21- bnrstark prototype code was non-standard. [F34]
22- rnfkummer(,,degree) often found too many fields [#482] [F35]
23- missing GC in forvec(,,2) [F37]
24- loss of accuracy in p-adic ellinit: wrong digits and spurious errors:
E.g i = 5; ellinit([1, -1, 1, -1, -14]*(1+O(17^i))) [F36]
25- possible stack corruption in charpoly(,1) [F39]
26- Ser(x) raised an error [#499] [F40]
Changed
1- remove CPP from Configure tests [C3]