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# Project Parent task Priority Subject Assignee Updated Category % Done
1790 CoCoALib High saturate with zero ideals John Abbott 21 Mar 2024 17:56 Maths Bugs

1773 CoCoALib Normal CyclotomicFactorIndexes: gave wrong answer John Abbott 22 Dec 2023 21:30 Maths Bugs

1758 CoCoALib Normal Graeffe "sign bug" John Abbott 22 Dec 2023 20:59 Maths Bugs

1729 CoCoALib Urgent Bug HilbertPoly of zero-dimensional ideals Anna Maria Bigatti 12 Apr 2023 14:45 Maths Bugs

1725 CoCoALib High resultant: gives wrong answer when should be 0 John Abbott 09 Mar 2023 20:49 Maths Bugs

1710 CoCoALib Urgent IsSqFree, IsIrred bugs in ZZ[x] and QQ[x] John Abbott 07 Mar 2023 20:55 Maths Bugs

1690 CoCoALib High resultant gives wrong answer if an arg has deg 0 John Abbott 18 Jan 2023 18:33 Maths Bugs

1656 CoCoALib Normal SEGV in resultant John Abbott 04 Feb 2022 21:33 Maths Bugs

1646 CoCoALib Normal radical: could be more clever John Abbott 24 Jan 2022 09:07 Maths Bugs

1570 CoCoALib Normal FloatStr sometimes produces NUL chars John Abbott 16 Sep 2021 12:32 Maths Bugs

1565 CoCoALib Normal IsInRadical: gives "weird" error John Abbott 16 Sep 2021 12:49 Maths Bugs

1484 CoCoALib Normal ker bug (quotientinghom for R/ideal()) Anna Maria Bigatti 16 Sep 2021 13:33 Maths Bugs

1449 CoCoALib Urgent Bivariate factor bug: sometimes a factor is reducible John Abbott 20 May 2020 13:26 Maths Bugs

1416 CoCoALib Normal IdealOfProjectivePoints and MinGens Anna Maria Bigatti 04 Mar 2020 14:19 Maths Bugs

1411 CoCoALib Normal IsPrimary sometimes wrong John Abbott 03 Feb 2020 15:42 Maths Bugs

1379 CoCoALib High Fails to recognize zero-dim ideal Anna Maria Bigatti 10 Jan 2020 12:17 Maths Bugs

1331 CoCoALib Normal adj: for matrices 7x7 and bigger John Abbott 28 Oct 2020 23:17 Maths Bugs

1310 CoCoALib Urgent RealRoots: gives odd number of roots for deg 6 irred poly John Abbott 14 Oct 2019 15:01 Maths Bugs

1300 CoCoALib Normal CoprimeFactorBasis: mishandles negative args John Abbott 01 Oct 2019 13:34 Maths Bugs

1248 CoCoALib High MinPolyQuot: guaranteed and ideal without GBasis Anna Maria Bigatti 31 Oct 2019 15:55 Maths Bugs

1211 CoCoALib High HilbertSeries should check grading Anna Maria Bigatti 03 Oct 2019 10:37 Maths Bugs

1206 CoCoALib Normal syz, SyzOfGens: which shifts for zero? Anna Maria Bigatti 28 Mar 2024 10:15 Maths Bugs

1199 CoCoALib Normal GCD bug with high degree arg Anna Maria Bigatti 03 Aug 2018 15:47 Maths Bugs

1185 CoCoALib High factor: multivariate, wrong RemainingFactor (sign wrong) John Abbott 31 Jul 2018 13:15 Maths Bugs

1143 CoCoALib Urgent Polynomial multiplication wrong for non integral rings John Abbott 20 Dec 2017 15:48 Maths Bugs

1121 CoCoALib Normal PrevPrime and NextPrime anomalies John Abbott 03 Aug 2018 15:48 Maths Bugs

1101 CoCoALib High Bug in MinPolyModular (insufficient rational reconstruction) Anna Maria Bigatti 15 Dec 2017 16:42 Maths Bugs

1082 CoCoALib High factor in ZZ[x] gives errors John Abbott 08 Nov 2017 14:12 Maths Bugs

1081 CoCoALib Normal ideal() * RingElem gives error Anna Maria Bigatti 08 Nov 2017 17:03 Maths Bugs

956 CoCoALib Normal determinant: fails for 0x0 matrix (SEGV) John Abbott 28 Apr 2017 09:29 Maths Bugs

938 CoCoALib Urgent ReadExpr: misreads 2/3^4 John Abbott 18 Nov 2016 22:23 Maths Bugs

858 CoCoALib Normal floor for TwinFloat can produce ERR::SERIOUS John Abbott 25 Jun 2016 12:08 Maths Bugs

853 CoCoALib Normal NearestInt can needlessly throw InsufficientPrecision John Abbott 05 Oct 2016 16:33 Maths Bugs

776 CoCoALib Normal FloatStr prints a NUL character John Abbott 01 Feb 2016 14:23 Maths Bugs

666 CoCoALib Urgent RatReconstructByLattice fails in some simple cases John Abbott 25 Jun 2015 15:16 Maths Bugs

648 CoCoALib High QBGenerator crashes John Abbott 17 Nov 2014 11:38 Maths Bugs

577 CoCoALib High Hilbert crashes with > 100 indeterminates Anna Maria Bigatti 31 Jul 2014 16:57 Maths Bugs

510 CoCoALib Normal SyzOfGens (CoCoALib): fix shifts Anna Maria Bigatti 17 Apr 2014 16:36 Maths Bugs

457 CoCoALib Normal Zero to the power zero, 0^0 John Abbott 03 Apr 2014 11:50 Maths Bugs

377 CoCoALib Normal IsDivisible -- exact semantics? John Abbott 17 Apr 2014 09:21 Maths Bugs

355 CoCoALib Urgent Colon of zero ideal fails (zero-divisors) Anna Maria Bigatti 30 Oct 2013 10:52 Maths Bugs

199 CoCoALib Normal CFApprox: division by zero John Abbott 29 Jun 2012 17:23 Maths Bugs

85 CoCoALib High QuotientRing problem Anna Maria Bigatti 05 Jul 2012 10:11 Maths Bugs

36 CoCoALib Urgent Saturation Anna Maria Bigatti 05 Dec 2011 18:27 Maths Bugs

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