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CoCoALib Closed Issues

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# Subject Target version Category Updated Assignee Estimated time
  Improving 89 Collapse all/Expand all
736 QuotientRing: is it correct to prohibit quotient by ideal(1)? CoCoALib-0.99700 Improving 27 Jan 2020 17:43 Anna Maria Bigatti 1.11
1380 Make IsZeroDim more robust CoCoALib-0.99700 Improving 10 Jan 2020 12:29 John Abbott 1.11
976 configure: auxiliary scripts should be consistent about error messages CoCoALib-0.99700 Improving 09 Jan 2020 22:10 John Abbott 2.90
1136 IsInRadical: sometimes a bit slow CoCoALib-0.99700 Improving 09 Dec 2019 13:34 John Abbott
1458 Redesign interrupt mechanism? CoCoALib-0.99800 Improving 07 Mar 2022 10:07 John Abbott 0.51
1598 RingHom: implement phi(X) as apply(phi, X) also for X vector and matrix CoCoALib-0.99800 Improving 18 Feb 2022 15:24 Anna Maria Bigatti 8.51
1467 Change syntax apply(phi,M) into phi(M)? CoCoALib-0.99800 Improving 18 Feb 2022 15:24 John Abbott 2.01
1589 IdealOfPoints: allow matrix of points to be defined over "wrong" ring CoCoALib-0.99800 Improving 04 Feb 2022 22:07 Anna Maria Bigatti 1.11
1517 RandomLinearForm CoCoALib-0.99800 Improving 04 Feb 2022 21:31 John Abbott 0.90
1633 Make polynomial multiplication interruptible? CoCoALib-0.99800 Improving 04 Feb 2022 21:24 John Abbott 0.99
1627 Use keyword "delete" for deleted functions CoCoALib-0.99800 Improving 04 Feb 2022 21:23 John Abbott 3.60
1375 Radical 0-dim: varied timings CoCoALib-0.99800 Improving 04 Feb 2022 21:20 John Abbott 4.90
1558 CpuTimeLimit: more frequent clock checks CoCoALib-0.99800 Improving 20 Sep 2021 15:41 John Abbott 6.99
1376 GBasisTimeout: not working as expected CoCoALib-0.99800 Improving 16 Sep 2021 13:51 John Abbott 5.23
897 SimplestBigRatBetween: why is it so slow? CoCoALib-0.99800 Improving 16 Sep 2021 13:47 John Abbott 2.49
786 MemPool: review min and max loaf sizes CoCoALib-0.99800 Improving 16 Sep 2021 13:38 Anna Maria Bigatti 4.44
1391 RingElems: syntax with [ and ] ? CoCoALib-0.99800 Improving 08 Jan 2021 13:03 Anna Maria Bigatti 5.77
1457 Make SmoothFactor interruptible CoCoALib-0.99800 Improving 26 Oct 2020 21:37 John Abbott 0.99
1462 Change CoCoA_ERROR into CoCoA_THROW_ERROR CoCoALib-0.99800 Improving 14 Oct 2020 14:06 John Abbott 4.71
722 valuation slow for large inputs CoCoALib-0.99800 Improving 07 Oct 2020 22:11 John Abbott 2.00
1423 Radical 0-dim NYI? missing case for GBasisByHomog CoCoALib-0.99800 Improving 25 Sep 2020 16:58 Anna Maria Bigatti 0.51
1606 Return type with const CoCoALib-0.99850 Improving 21 Mar 2024 20:24 John Abbott 1.66
1641 gcd does not recognize univariate input CoCoALib-0.99850 Improving 21 Mar 2024 20:18 John Abbott 5.33
1789 GradingMat with negative weights should complain (or deal with them properly!!) CoCoALib-0.99850 Improving 18 Mar 2024 16:15 Anna Maria Bigatti
1511 Use C++14 constexpr CoCoALib-0.99850 Improving 16 Mar 2024 21:55 John Abbott 2.99
1761 MakeTermOrdMat: improve error mesg CoCoALib-0.99850 Improving 13 Mar 2024 21:16 John Abbott 0.99
64 submat takes only vector<long> CoCoALib-0.99850 Improving 08 Mar 2024 17:17 John Abbott 2.06
1735 PushFront/PushBack without checks? CoCoALib-0.99850 Improving 08 Mar 2024 14:38 John Abbott 1.11
908 Sum of ideals: what are the generators of (x) + (0)? CoCoALib-0.99850 Improving 08 Mar 2024 14:34 Anna Maria Bigatti 2.01
1569 IsInRadical too slow (test-RadicalMembership) CoCoALib-0.99850 Improving 01 Mar 2024 18:40
1739 IsHomog for ideals CoCoALib-0.99850 Improving 01 Mar 2024 14:57 Anna Maria Bigatti 2.01
1579 Readexpr/RingElem: unhelpful error message when input is wrong CoCoALib-0.99850 Improving 23 Feb 2024 12:39 John Abbott 3.01
1754 IsSqFree poorly implemented CoCoALib-0.99850 Improving 23 Feb 2024 11:39 John Abbott 2.88
1768 Limit indentation in verbose mesgs? CoCoALib-0.99850 Improving 22 Jan 2024 10:36 John Abbott 1.23
1769 FixedDivisor is sometimes surprisingly slow CoCoALib-0.99850 Improving 22 Dec 2023 20:57 John Abbott 2.22
1755 CheckForInterrupt: give more info? CoCoALib-0.99850 Improving 22 Dec 2023 20:56 John Abbott 1.90
1721 Verbose messages: print level? CoCoALib-0.99850 Improving 12 Apr 2023 14:56 Anna Maria Bigatti
1716 Qn: factor for BigInt CoCoALib-0.99850 Improving 14 Mar 2023 21:32 John Abbott 1.49
1557 Reading list of rationals is too slow CoCoALib-0.99850 Improving 10 Mar 2023 18:23 John Abbott 3.11
1466 Ops += *= etc for Matrices? CoCoALib-0.99850 Improving 08 Aug 2022 20:01 John Abbott
718 Insert calls to CheckForInterrupt CoCoALib-0.99880 Improving 22 Apr 2024 21:35 Anna Maria Bigatti 2.22
1719 FactorINT has got worse CoCoALib-0.99880 Improving 22 Apr 2024 20:00 John Abbott 4.25
  Makefile 7 Collapse all/Expand all
340 "configure" does not set BOOST if there are multiple copies in "standard" location CoCoALib-0.9953 Makefile 28 May 2013 18:41 John Abbott
793 compilation on fedora 23: some worrying "error messages" CoCoALib-0.99560 Makefile 15 Dec 2017 16:59 John Abbott 3.10
1426 Main Makefile: does not rebuild dependencies CoCoALib-0.99700 Makefile 04 Mar 2020 14:20 John Abbott 0.95
2 Makefile problem in ROOT and/or src/AlgebraicCore CoCoALib-0.99700 Makefile 12 Feb 2020 15:00 John Abbott 1.99
24 object files collected in one directory CoCoALib-0.99800 Makefile 14 Oct 2020 15:35 Anna Maria Bigatti 1.01
1360 configure script: add flags for "only cocoalib" or "both cocoalib and cocoa5" (for boost) CoCoALib-0.99850 Makefile 07 Mar 2023 21:00 John Abbott 14.01
701 Makefile; limit dependencies on external libs CoCoALib-0.99850 Makefile 14 Oct 2022 16:51
  Maths Bugs 44 Collapse all/Expand all
956 determinant: fails for 0x0 matrix (SEGV) CoCoALib-0.99550 spring 2017 Maths Bugs 28 Apr 2017 09:29 John Abbott 0.51
938 ReadExpr: misreads 2/3^4 CoCoALib-0.99550 spring 2017 Maths Bugs 18 Nov 2016 22:23 John Abbott 2.60
853 NearestInt can needlessly throw InsufficientPrecision CoCoALib-0.99550 spring 2017 Maths Bugs 05 Oct 2016 16:33 John Abbott 7.70
858 floor for TwinFloat can produce ERR::SERIOUS CoCoALib-0.99550 spring 2017 Maths Bugs 25 Jun 2016 12:08 John Abbott 3.90
36 Saturation CoCoALib-0.9950 Maths Bugs 05 Dec 2011 18:27 Anna Maria Bigatti 2.00
85 QuotientRing problem CoCoALib-0.9951 Maths Bugs 05 Jul 2012 10:11 Anna Maria Bigatti 3.00
199 CFApprox: division by zero CoCoALib-0.9952 Maths Bugs 29 Jun 2012 17:23 John Abbott 0.75
355 Colon of zero ideal fails (zero-divisors) CoCoALib-0.99531 Maths Bugs 30 Oct 2013 10:52 Anna Maria Bigatti
457 Zero to the power zero, 0^0 CoCoALib-0.99532 Maths Bugs 03 Apr 2014 11:50 John Abbott 1.50
510 SyzOfGens (CoCoALib): fix shifts CoCoALib-0.99533 Easter14 Maths Bugs 17 Apr 2014 16:36 Anna Maria Bigatti 2.00
377 IsDivisible -- exact semantics? CoCoALib-0.99533 Easter14 Maths Bugs 17 Apr 2014 09:21 John Abbott 3.00
577 Hilbert crashes with > 100 indeterminates CoCoALib-0.99534 Seoul14 Maths Bugs 31 Jul 2014 16:57 Anna Maria Bigatti 1.50
666 RatReconstructByLattice fails in some simple cases CoCoALib-0.99536 June 2015 Maths Bugs 25 Jun 2015 15:16 John Abbott 2.10
648 QBGenerator crashes CoCoALib-0.99536 June 2015 Maths Bugs 17 Nov 2014 11:38 John Abbott 4.00
776 FloatStr prints a NUL character CoCoALib-0.99540 Feb 2016 Maths Bugs 01 Feb 2016 14:23 John Abbott
1143 Polynomial multiplication wrong for non integral rings CoCoALib-0.99560 Maths Bugs 20 Dec 2017 15:48 John Abbott 4.01
1101 Bug in MinPolyModular (insufficient rational reconstruction) CoCoALib-0.99560 Maths Bugs 15 Dec 2017 16:42 Anna Maria Bigatti 3.00
1081 ideal() * RingElem gives error CoCoALib-0.99560 Maths Bugs 08 Nov 2017 17:03 Anna Maria Bigatti 1.01
1082 factor in ZZ[x] gives errors CoCoALib-0.99560 Maths Bugs 08 Nov 2017 14:12 John Abbott 0.90
1121 PrevPrime and NextPrime anomalies CoCoALib-0.99600 Maths Bugs 03 Aug 2018 15:48 John Abbott 0.22
1199 GCD bug with high degree arg CoCoALib-0.99600 Maths Bugs 03 Aug 2018 15:47 Anna Maria Bigatti 3.33
1185 factor: multivariate, wrong RemainingFactor (sign wrong) CoCoALib-0.99600 Maths Bugs 31 Jul 2018 13:15 John Abbott 4.51
1248 MinPolyQuot: guaranteed and ideal without GBasis CoCoALib-0.99650 November 2019 Maths Bugs 31 Oct 2019 15:55 Anna Maria Bigatti
1310 RealRoots: gives odd number of roots for deg 6 irred poly CoCoALib-0.99650 November 2019 Maths Bugs 14 Oct 2019 15:01 John Abbott 2.22
1211 HilbertSeries should check grading CoCoALib-0.99650 November 2019 Maths Bugs 03 Oct 2019 10:37 Anna Maria Bigatti 2.00
1300 CoprimeFactorBasis: mishandles negative args CoCoALib-0.99650 November 2019 Maths Bugs 01 Oct 2019 13:34 John Abbott 1.11
1416 IdealOfProjectivePoints and MinGens CoCoALib-0.99700 Maths Bugs 04 Mar 2020 14:19 Anna Maria Bigatti 2.01
1411 IsPrimary sometimes wrong CoCoALib-0.99700 Maths Bugs 03 Feb 2020 15:42 John Abbott 1.25
1379 Fails to recognize zero-dim ideal CoCoALib-0.99700 Maths Bugs 10 Jan 2020 12:17 Anna Maria Bigatti 5.55
1449 Bivariate factor bug: sometimes a factor is reducible CoCoALib-0.99710 Maths Bugs 20 May 2020 13:26 John Abbott 5.99
1656 SEGV in resultant CoCoALib-0.99800 Maths Bugs 04 Feb 2022 21:33 John Abbott 0.66
1646 radical: could be more clever CoCoALib-0.99800 Maths Bugs 24 Jan 2022 09:07 John Abbott 1.33
1484 ker bug (quotientinghom for R/ideal()) CoCoALib-0.99800 Maths Bugs 16 Sep 2021 13:33 Anna Maria Bigatti 2.52
1565 IsInRadical: gives "weird" error CoCoALib-0.99800 Maths Bugs 16 Sep 2021 12:49 John Abbott 2.51
1570 FloatStr sometimes produces NUL chars CoCoALib-0.99800 Maths Bugs 16 Sep 2021 12:32 John Abbott 8.11
1331 adj: for matrices 7x7 and bigger CoCoALib-0.99800 Maths Bugs 28 Oct 2020 23:17 John Abbott 1.17
1206 syz, SyzOfGens: which shifts for zero? CoCoALib-0.99850 Maths Bugs 28 Mar 2024 10:15 Anna Maria Bigatti 3.00
1790 saturate with zero ideals CoCoALib-0.99850 Maths Bugs 21 Mar 2024 17:56 John Abbott
1773 CyclotomicFactorIndexes: gave wrong answer CoCoALib-0.99850 Maths Bugs 22 Dec 2023 21:30 John Abbott 0.99
1758 Graeffe "sign bug" CoCoALib-0.99850 Maths Bugs 22 Dec 2023 20:59 John Abbott 1.33
1729 Bug HilbertPoly of zero-dimensional ideals CoCoALib-0.99850 Maths Bugs 12 Apr 2023 14:45 Anna Maria Bigatti
1725 resultant: gives wrong answer when should be 0 CoCoALib-0.99850 Maths Bugs 09 Mar 2023 20:49 John Abbott 0.75
1710 IsSqFree, IsIrred bugs in ZZ[x] and QQ[x] CoCoALib-0.99850 Maths Bugs 07 Mar 2023 20:55 John Abbott 3.90
1690 resultant gives wrong answer if an arg has deg 0 CoCoALib-0.99850 Maths Bugs 18 Jan 2023 18:33 John Abbott 0.55
  New Function 142 Collapse all/Expand all
899 IsMaximal, IsPrimary for IDEAL (in cocoalib) CoCoALib-0.99550 spring 2017 New Function 25 Nov 2017 10:40 Anna Maria Bigatti 6.00
957 New function: HasGBasis CoCoALib-0.99550 spring 2017 New Function 29 Apr 2017 08:32 Anna Maria Bigatti 2.01
1050 ExternalLibs: function for getting info CoCoALib-0.99550 spring 2017 New Function 28 Apr 2017 23:17 John Abbott 4.44
1008 square function CoCoALib-0.99550 spring 2017 New Function 28 Apr 2017 09:31 John Abbott 1.01
902 New function: FrobeniusMat CoCoALib-0.99550 spring 2017 New Function 28 Apr 2017 09:31 Elisa Palezzato 8.01
856 MantissaAndExponent2 for twin-float CoCoALib-0.99550 spring 2017 New Function 28 Apr 2017 09:30 John Abbott 4.01
961 New function: ReducedGBasis CoCoALib-0.99550 spring 2017 New Function 21 Apr 2017 17:08 Anna Maria Bigatti 6.00
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