Karim Belabas on Sun, 01 May 2011 13:56:08 +0200 |
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pari-2.4.4.BETA released |
Dear PARI lovers, I would like to announce the release of pari-2.4.4-BETA. The sources are available at the address http://pari.math.u-bordeaux.fr/download.html The testing development branch is now mature enough to become the next stable branch: pari-2.4.4-BETA is a release candidate for pari-2.5.0-STABLE Please help us test this Beta release! -- How to report problems: http://pari.math.u-bordeaux.fr/Bugs/ -- List of known minor bugs in this release: http://pari.math.u-bordeaux.fr/cgi-bin/pkgreport.cgi?pkg=pari (These will not be fixed before the STABLE release) This is mostly a bugfix release coming on top of pari-2.4.3. Some new features, still: [Basic arithmetic] - subquadratic gcd over prime finite fields - private "prime table" (addprimes) must now contain primes only: its entries are now used in all arithmetic functions [new function addpseudoprimes to cover old usage: in factorint() only] [Number Fields] - bnfinit: huge improvements for fields of large degree or admitting non-trivial automorphisms (series of patches by Loic Grenie). [GP] - new default 'histfile', to save your typing history in between sessions ! - all GP functions are now understood by GP2C Have fun, Karim. P.S: The Changelog. Done for version 2.4.4 (released 29/04/2011): Fixed BA 1- FpX_gcd did not garbage-collect for large input. BA 2- 'make all' failed to build the documentation. 3- typo in polgalois() when new_galois_format is 0 : returned [3,1,2] instead of [3,1,1] for C_3 4- rnfkummer was using too much stack. 5- nfgaloisapply did not work on extended ideals. 6- Strprintf and printf0 prototypes were wrong. 7- Mod(4*x+1,Mod(1,2)*x) -> SEGV [#1116] 8- gcd(t_INTMOD, t_FRAC) -> SEGV 9- qfjacobi failed on a matrix of zeros (or in presence of 0s of large exponent) [#990] 10- t_SER / t_SER where denominator has 0 leading term -> SEGV [#1120] 11- (t_COMPLEX of t_INTMOD) + t_PADIC -> SEGV [#1121] 12- (t_QUAD of t_INTMOD) + t_PADIC -> SEGV [#1122] LGr13- bnfinit: various performance improvement. BA 14- several instance of random garbage collection were broken. BA 15- [install]: support for D0,G, and D"str",s, in prototype code. BA 16- [gp2c]: foo(x:mp)=... did not work. 17- when the divisor's leading term was 0, RgX_divrem(,,&rem) created rem before the quotient (invalidating the use of cgiv() suggested in the documentation) [#1129] 18- gadd(t_COMPLEX of t_REAL, t_QUAD = 0) -> SEGV [#1131] 19- log(11+11^2+O(11^3)) -> bug in log_p [#1136] BA 20- (ffgen(ffinit(2,10))*0)^-1 -> oo-loop BA 21- ispseudoprime(-3,0) != ispseudoprime(-3,1) BA 22- text form of a closure now include the closure context. BA 23- reading compressed files could corrupt the stack. BA 24- t_CLOSURE==t_CLOSURE and t_CLOSURE===t_CLOSURE did not work. 25- gequal1(0.*x + 1) returned 0 26- ispower((100!)^2) -> 0 [#1155] Affected pure powers divisible by more than 22 of the 26 primes <= 101. (introduced in 2.4.3) BA 27- LLL could fail (rarely) due to insufficient precision [#1154] 28- rnfisnorminit(y,x^2-Mod(2+y,y)): polynomial not in Z[X] in nfinit [#1157] 29- factorff failed to merge identical irreducible factors [#1159] BA 30- ploth(x=0,1,0,"Complex|Recursive") -> SEGV [#1163] 31- mathnf(dim > 8) could return a non-HNF upper triangular matrix [#1153] BA 32- forsubgroup() did not handle break/next/return. 33- modular resultant, e.g. rnfequation(polcyclo(17,y), x+y^6,1) [#1151] 34- gequal1(x) / gequalm1(x) did not implement gequal(x, 1) for t_COL/t_MAT 35- matsize(vecextract(M,0,y)) -> [;] instead of matrix with 0 and the requested number of columns [#1170] 36- readline completion : allow commas ',' in directory names [#105] 37- List() == List() returned 0. 38- [Configure] C_INCLUDE_PATH was not used when looking for libgmp BA 39- polroots(1) returned [] instead of []~. 40- a succession of <C-C> in breakloop context would reinitialize timer 41- matsnf(matdiagonal([x,0])) --> [x,0] instead of [0,x] BA 42- qfbred(large discriminant, small prec): precision too low in truncr [#1173] PMo43- erfc(large x) was slow and inaccurate [#364] 44- erfc() : allow t_COMPLEX inputs 45- stack corruption in ifac_decomp_break() [#1115] 46- factor(0) returned 0^1, but factorint(0) raised an error. Allow factorint(0), core(0), coredisc(0), etc. 47- ellwp, ellzeta, ellsigma only used realprecision, instead of the input precision [#1184] BA 48- tuning for 32bit and 64bit, with or without GMP5. 49- idealintersect(K, 1/2,1/2) -> 1/4 instead of 1/2 [#1192] Changed LGr1- universal constants (gen_0,gen_1, etc.) are now read-only 2- qfjacobi : sort eigenvalues by increasing order 3- [libpari] gtoser : add a third precdl argument. 4- [libpari] swap the last 2 arguments of ellwp0 (prec and precdl) 5- ellwp now outputs a number of terms equal to the default seriesprecision, instead of *twice* that number. 6- Ser, ellwp, taylor, elltaniyama: add an optional 'precdl' argument (by default equal to 'seriesprecision'). One no longer has to rely on (and change locally) a global variable to handle conversion to power series. LGr7- add information to the version() output [backward compatible if version() used as recommended in the documentation] [#1130] 8- O(x^0) is now printed as is, not as O(1). t_SER and t_PADIC are now treated in the same way. 9- inverse trigonometric functions (acos,asin,atan,acosh,asinh,atanh): values on the branch cuts changed to conform to standards, e.g. "implementations shall map a cut so the function is continuous as the cut is approached coming around the finite endpoint of the cut in a counter clockwise direction." (ISO C99) [initial patch Richard Kreckel, #1084] BA 10-[libpari] nf_get_TrInv renamed to nf_get_diff 11- Qfb() : forbid square discriminants (-> corrupted objects [#1145]) 12- allow gequal1 / gequalm1 to return 'true' for t_SER 13- follow-up to (2.4.3, C104) [#1156]: - stop using the undocumented feature Z_factor_limit(x,1) = Z_factor(x). - abide by the "lim" parameter in all cases : factor(100,1 or 2) -> [10; 2] (was [2,2; 5,2]) 14- include GP defaults in the function description system + use standard hashtables instead of ad hoc types 15- cleanup and document term_color() and term_get_color() BA 16- prototype of summations functions now is fun(void *E, GEN call(void*, GEN),...) BA 17- traversesubgroups renamed to forsubgroup. 18- t_QFR with the same coefficients but different distance component are now tested equal by == (they are still different according to ===). 19- bnfinit no longer outputs a warning when fundamental units couldn't be computed (annoying and rather useless) [#1166] 20-[Configure] no longer support a link to an uninstalled readline library in PARI toplevel 21- thue() no longer outputs a Warning when the result is conditional on the GRH. 22- [libpari] rename TIMER -> timer_delay, TIMERread -> timer_get, TIMERstart -> timer_start, msgTIMER -> timer_printf BA 23- polrootsff now returns a t_COL 24- default(a, b) used to return "b". Now returns gnil 25- [libpari] remove allocatemem0 [make it private to GP], write allocatemem 26- matdet() : allow Gauss-Bareiss to develop somewhat wrt. rows/columns [ cf test O1 in Lewis-Wester's bench ] 27- addprimes() now includes its argument as-is (used to take gcds, making an insertion linear in the table size instead of O(1); filling an inially empty table was quadratic in the final table size). They must be true primes, otherwise number theoretic routines may return wrong values. [#322] 28- rename fprintferr -> err_printf, flusherr -> err_flush 29- ellpow (CM case). Try to determine the discriminant of the endomorphism ring first [#1186] Added BA 1- trap keyword "syntaxer" to trap syntax error from eval. BA 2- Flx_shift now support negative shift BA 3- [gp2c] add description _(_) for closure evaluation BA 4- PARI function FpX_halfgcd() and subquadratic FpX_gcd(), FpX_extgcd() BA 5- PARI function Flx_halfgcd() and subquadratic Flx_gcd(), Flx_extgcd() BA 6- random() now allow to draw random polynomials BA 7- PARI functions pol_0, pol0_Flx, pol0_F2x VB 8- [mingw] --datadir=@ option to Configure BA 9- PARI functions FlxqX_div 10- PARI function ismpzero BA 11- PARI function bnr_get_clgp 12- new default 'histfile' (to save readline history in between sessions) 13- PARI function cmp_universal BA 14- [gp2c] add descriptions to support intnum/suminf type functions. BA 15- function diffop 16- PARI function zero_Flm_copy 17- PARI function mantissa_real BA 18- PARI functions F2v_clear, F2m_clear, Z_to_F2x, F2x_set, F2x_clear, F2x_flip, F2x_coeff BA 19- PARI functions F2xq_sqrt, F2x_deriv BA 20- PARI functions FpXQ_trace, Flxq_trace, F2xq_trace BA 21- PARI functions FpM_det, Flm_det, F2m_det Removed BA 1- PARI function CM_CardEFp (ellsea script deprecated). -- Karim Belabas, IMB (UMR 5251) Tel: (+33) (0)5 40 00 26 17 Universite Bordeaux 1 Fax: (+33) (0)5 40 00 69 50 351, cours de la Liberation http://www.math.u-bordeaux1.fr/~belabas/ F-33405 Talence (France) http://pari.math.u-bordeaux1.fr/ [PARI/GP] `