Activity
From 06 Apr 2024 to 05 May 2024
05 May 2024
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21:01 CoCoA-5 Support #1603: Unhelpful behaviour in "compatibility mode": double error mesg
- I'm still with *won't fix* because we have far more important things to do with our time.
Reject?
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20:57 CoCoA-5 Support #1650: Potentially confusing prompt: waiting for semicolon
- It does seem to be hard to find a better prompt without it become too long (and possibly still not covering all cases...
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20:53 CoCoA-5 Support #1566: What does rad do?
- There is no *@rad@* function in the current version of CoCoA-5.
Close?
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20:49 CoCoA-5 Slug #1760 (Closed): Quitting can be slow
- This has been done for some time. I'm happy enough with the behaviour... no-one else has complained. So closing.
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20:44 CoCoA-5 Feature #97: OpenOFile
- This issue was opened 12 years ago. Have there been any complaints in that time about the differing behaviour?
Ma... -
20:17 CoCoA-5 Design #1508: Initial ring
- This issue has been dormant for too long. Here is what I now think:
* the initial ring should have a longer name, I... -
19:53 CoCoA-5 Design #1496: Use "special" names for variables inside tests
- I originally created this issue, which superficially seems reasonable.
But now I no longer recall exactly which name... -
19:45 CoCoA-5 Bug #1746: ManExamples target: need to reset VerbosityLevel
- The Control-M character seems to appear where a printed line has had a prefix elided.
It is not serious, but I wou... -
19:42 CoCoA-5 Design #610: Variable It: assign before or after printing
- I am testing the behaviour by computing a large cyclotomic polynomial (without assigning it). Then compute @1+2@ wit...
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19:39 CoCoA-5 Design #610 (Resolved): Variable It: assign before or after printing
- I believe that the relevant spurce code is around @Interpreter.C:4187@ The line I mean is...
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19:15 CoCoA-5 Bug #1708: Linux: just 1 executable, should be 2 (with & without readline)
- Have we made any progress with this?
Maybe it suffices to make a few small changes to the scripts which make the rel... -
19:12 CoCoA-5 Bug #1634 (In Progress): Unexpected or unhelpful error using GroebnerFanIdeals
- This specific problem does not arise on a platform with 64-bit @long@; though no doubt a larger example would eventua...
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19:03 CoCoA-5 Bug #1435: Disable readline if input is redirected
- Here are some possibly useful links:
* *@https://stackoverflow.com/questions/5156675/how-to-use-isatty-on-cout-or-ca... -
18:54 CoCoA-5 Bug #727 (In Progress): Emacs UI: send-file (C-c C-f) should check if buffer and file are synchronized
- Here are some potentially useful links:
* *@https://superuser.com/questions/712237/safely-reload-files-which-are-cha...
02 May 2024
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19:58 CoCoALib Feature #1815: JSON and UUID
- Another point to bear in mind is the licence of any library.
We already use BOOST in CoCoA-5, but I'm not sure wheth... -
19:46 CoCoALib Feature #1815: JSON and UUID
- I note the following link(s):
* *@https://www.boost.org/doc/libs/1_85_0/libs/json/doc/html/json/comparison.html@*
*... -
19:41 CoCoALib Feature #1815: JSON and UUID
- We should also decide which goals we have.
I'm expecting in Berlin to spend much of the time discussing and planni... -
19:29 CoCoALib Feature #1815 (In Progress): JSON and UUID
- Antony in Berlin says that they use *@rapidJSON@*; I did not enquire about UUIDs -- we can use an interim, makeshift ...
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19:20 CoCoALib Feature #1815 (In Progress): JSON and UUID
- Investigate including a library for serializing and deserializing JSON encodings.
This includes having the ability t...
29 Apr 2024
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21:13 CoCoALib Feature #1667: GBasis over ZZ: port to CoCoALib
- It seems that we have several implementations: some in C++, and some in CoCoA-5.
The C++ versions ought to be quicke...
26 Apr 2024
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21:09 CoCoALib Design #1804: Use long long (at least sometimes)?
- Nico Mexis sent the following by email (a few days ago):...
25 Apr 2024
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21:54 CoCoALib Feature #1778: Homogenizer
- This is for *JOHN* Knuckle down and do it!
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21:53 CoCoALib Design #1414: Make class RingElemVector?
- *Yes!* We really should implement this, and preferably soon.
Maybe we can also include an auto conversion to @vecto... -
21:49 CoCoALib Design #894: strict enum types: C++11 extension
- This is one of those _mindless_ tasks to be done when the brain is taking a nap...
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21:46 CoCoALib Design #707: MatrixOrderingMod32749Impl: test and write documentation!
- What is the status of this issue?
Not so long ago I wrote a similar class for 64-bitters where the modulus is about ... -
21:44 CoCoALib Bug #1764 (In Progress): Verbosity messages: avoid printing BIG values
- As hinted in the main description, we should also try to limit the amount of output (unless it is important to be abl...
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21:40 CoCoALib Bug #1705: ProgressReporter: prepare for new loop?
- Maybe just *@myReset@*? Or is that too vague? It is short, which I like.
So far we have been using @myPrepareForNe...
24 Apr 2024
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23:04 CoCoALib Feature #797: SmallFpImpl: make it faster
- I have just wasted quite a bit of time thus evening rediscovering this phenomenon... sigh!
I should consider making ...
23 Apr 2024
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22:26 CoCoALib Design #1787: Iterator design: compatible with C++STL? Advancing beyond end?
- A quick look on StackOverflow found a discussion which claims that the C++ standard says that advancing an iterator b...
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22:14 CoCoALib Support #1814: Ensure tests do not need too much RAM
- I created a memory leak in the gcd function for multivariate polynomials over a finite field. I have a first fix, an...
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22:05 CoCoALib Design #1804: Use long long (at least sometimes)?
- While it might give slightly better performance to use @(unsigned) long long@ in some internal chinese-remaindering f...
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21:57 CoCoALib Design #1572: Use noexcept
- What I meant to say in comment 9 above is: if we choose a design for iterators where @operator*@ never throws then we...
22 Apr 2024
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22:39 CoCoALib Design #1572: Use noexcept
- According to the C++ standard, a function is either not-throwing or potentially-throwing. The ...
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21:22 CoCoALib Design #1572: Use noexcept
- Another question is about @operator*@ for iterators: if an error is thrown when "beyond the end" then it cannot be @n...
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21:35 CoCoALib Feature #718 (Closed): Insert calls to CheckForInterrupt
- This has been mostly done. Comment 13 above is a good strategy.
Current state is good enough, so closing. -
21:32 CoCoALib Design #934: MachineInt: change semantics?
- There are 2 designs for @MachineInt@
# internal repr is @unsigned long@ and an extra bit to indicate that the true v... -
21:26 CoCoALib Feature #1702 (In Progress): Use C++ attributes
- We should try to reduce the number of warnings (esp. when compiling in "debug" mode).
Then we can consider attribute... -
21:24 CoCoALib Design #1787: Iterator design: compatible with C++STL? Advancing beyond end?
- If iterator operators can throw then they cannot be @noexcept@ (obviously!). See issue #1572
Not sure how important... -
21:08 CoCoALib Design #1346: C++14: use the new for loop syntax where appropriate (like cocoa's foreach)
- Some files still need tp be updated: I think the "morse" files need to be updated.
The "JB" files look to scary to t... -
20:43 CoCoALib Design #1242: C++14: Use type auto where appropriate
- * @DynamicBitset@ uses iterators explicitly; maybe switch to @auto@?
* possibly review @TmpJB...@ code too?
* @Long... -
20:24 CoCoALib Design #1106 (Closed): Remove READLINE from CoCoALib
- The @configure@ script was changed some time ago; now it is clear which options are relevant to CoCoALib and which to...
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20:21 CoCoALib Feature #1218 (Closed): 32-bit or 64-bit preprocessor macro?
- This has effectively been resolved by issue #1661. The solution there assumes **either 64-bit or 32-bit @long@**; ot...
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20:15 CoCoALib Bug #1811 (Feedback): Check include guards
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20:15 CoCoALib Bug #1811: Check include guards
- Thanks to Nico for the suggestion about @#pragma@. I read also the discussion about its pros and cons -- it is not c...
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20:06 CoCoALib Bug #986: GFan: require version newer than 0.6
- I have not found any suitable macro in the gfanlib sources (v.0.6.2).
Without Anders's help we cannot really do much... -
20:00 CoCoALib Bug #1719 (Closed): FactorINT has got worse
- The current impl is good enough. It behaves well enough on the two "big" test examples listed above. If we really w...
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19:51 CoCoALib Bug #1733 (Resolved): FactorINT: funny order
- I have adopted the simple solution of changing the documentation: previously it said nothing about the order of the f...
19 Apr 2024
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22:10 CoCoA-5 Bug #1794 (Resolved): Do not use random inside tests!!
- @random@ is called harmlessly in @exbugs.cocoa5@.
We should check *@ErrMesg.cocoa5@* and *@test-ApproxSolve.cocoa5@*... -
17:10 CoCoA-5 Design #1709 (Closed): Test tut-CoCoLA2
18 Apr 2024
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16:38 CoCoALib Feature #937: LinDepMill: Mill for linear dependencies
- LinDepMill could also be used by MakeTermOrdMat.
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16:37 CoCoALib Feature #937 (In Progress): LinDepMill: Mill for linear dependencies
- I have implemented the (hidden but present) function ShapeLemma which returns the whole lex-GB when the MinPoly has m...
16 Apr 2024
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22:46 CoCoALib Slug #1394: Oddly slow GBasis computation (slow final cleanup)
- This might be another example where "final clean up" is not instant:...
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22:40 CoCoALib Support #1666 (In Progress): MachineInt: chase through ULL changes
- I have just removed @long long@ from @MachineInt@ (and had to change one call in @BigIntOps.C@)
There are actually *... -
22:29 CoCoALib Design #925: MachineInt or long for args which are indices (yet again)
- Indices into matrices (and other indexable objects, _e.g._ @ModuleElem@?) must be non-negative.
As already noted ind...
15 Apr 2024
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22:27 CoCoALib Design #1804: Use long long (at least sometimes)?
- I think we are close to a decision: not to use @(unsigned) long long@ except perhaps internally.
I don't regard it a... -
22:22 CoCoALib Design #1804: Use long long (at least sometimes)?
- Winfried Bruns sent the following response by email:...
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10:14 CoCoALib Design #1804: Use long long (at least sometimes)?
- My current thoughts are that we should avoid using LL/ULL in any (normal) user interfaces, but we may use them intern...
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19:05 CoCoALib Support #1814: Ensure tests do not need too much RAM
- Anna thinks she has found the cause. She'll do some more tests to confirm; then we hope to fix it.
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10:09 CoCoALib Support #1814: Ensure tests do not need too much RAM
- *Anna* plans to investigate today
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10:09 CoCoALib Design #1800 (In Progress): Conversion from SmallPrime to UNSIGNED long?
- I am quite tempted just to try changing the automatic conversion, but this should probably also be done with some oth...
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10:08 CoCoALib Feature #828: MachineInt: function for checking that value is greater than some lower limit (and below MAXLONG)
- I think we need a new central issue regard possible redesign of @MachineInt@
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10:05 CoCoALib Support #1666: MachineInt: chase through ULL changes
- I wonder if this change should be reconsidered in light of the discussion in #1804?
14 Apr 2024
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20:44 CoCoALib Design #1804: Use long long (at least sometimes)?
- To be honest, I would also rather keep support for 32-bit platforms instead of using e.g., ...
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09:20 CoCoALib Design #1804: Use long long (at least sometimes)?
- The more I think about making a "typedef", the less I am convinced. For convenience I shall suppose it is called *@C...
13 Apr 2024
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22:38 CoCoALib Design #1804: Use long long (at least sometimes)?
- > Personally I was hoping to drop support for 32-bit platforms, but long on MinGW is only 32-bits.
Actually, MinGW... -
22:21 CoCoALib Design #1804 (In Progress): Use long long (at least sometimes)?
- Nico sent the following comment by email:...
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22:18 CoCoALib Design #1801 (In Progress): BuildInfo
- Here is a list of CPP symbols beginning with *@COCOA_@*
* @COCOA_ULONG2LONG@
* @COCOA_ULONGLONG2LONGLONG@
* @COCOA...
12 Apr 2024
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19:08 CoCoA-5 Design #1709: Test tut-CoCoLA2
- I have just checked-in the changes. They should be in the next "internal" release. Hope to resolve #1814 before mak...
10 Apr 2024
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11:47 CoCoALib Support #1814: Ensure tests do not need too much RAM
- Ulrich von der Ohe wrote:
> @test-RadicalMembership1.C@ did not change from 0.99824 to 0.99850. Do you think the 20-...
09 Apr 2024
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23:31 CoCoALib Support #1814: Ensure tests do not need too much RAM
- John Abbott wrote:
> * there was a bug in @IsInRadical@ which meant that it always returned @true@ IIRC
@test-Rad... -
20:55 CoCoALib Support #1814: Ensure tests do not need too much RAM
- I'm not sure if I am recalling correctly the time-line...
* there was a bug in @IsInRadical@ which meant that it alw... -
14:31 CoCoALib Support #1814: Ensure tests do not need too much RAM
- John Abbott wrote:
> I'm not surprised by the change in resources needed for @test-RadicalMembership1.C@ since the t... -
21:53 CoCoALib Design #1804: Use long long (at least sometimes)?
- I am a bit concerned that *@long long@* may incur unnecessary overhead on some platforms.
We could also have a CoC... -
14:21 CoCoALib Bug #1662: txt2tags: problem with filenames containing "_" or "-"
- John Abbott wrote:
> Did we use a workaround?
The workaround introduced in #1662#note-4 is indeed in effect in ne...
08 Apr 2024
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21:42 CoCoALib Support #1814: Ensure tests do not need too much RAM
- My idea did not produce much gain (neither regarding time nor memory requirement).
There's a loop somewhere which is... -
20:57 CoCoALib Support #1814: Ensure tests do not need too much RAM
- It is not clear to me why @test-SparsePolyRing1-b.C@ should have become slower by a factor of 2.
I'm not surprised b... -
16:18 CoCoALib Support #1814: Ensure tests do not need too much RAM
- I realize that this issue was intended to be about something else. Feel free to move my posts as you see fit -- sorry...
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16:05 CoCoALib Support #1814: Ensure tests do not need too much RAM
- ...
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12:23 CoCoALib Support #1814: Ensure tests do not need too much RAM
- ...
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20:26 CoCoALib Bug #1662 (Resolved): txt2tags: problem with filenames containing "_" or "-"
- I have advanced this issue to *resolved* since it seems to be OK now -- thanks Nico for the clarification!
Anna is a... -
15:31 CoCoALib Bug #1662: txt2tags: problem with filenames containing "_" or "-"
- I am using txt2tags 3.9 and it works fine on my end as well. This issue was only related to txt2tags 2.7-dev (commits...
07 Apr 2024
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23:17 CoCoALib Support #1814: Ensure tests do not need too much RAM
- The tests @test-RadicalMembership1@ and @test-SparsePolyRing2@ are the only ones where memory usage considerably wors...
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22:48 CoCoALib Support #1814: Ensure tests do not need too much RAM
- Strictly this is not CoCoALib but CoCoA-5.
I ran the CoCoA-5 tests with about 0.5GiB memory: there was 1 failure, na... -
22:18 CoCoALib Support #1814 (In Progress): Ensure tests do not need too much RAM
- Assuming that @ulimit -v@ does what I think/hope it does, I confirm that the only test to fail with a limit of @25000...
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21:57 CoCoALib Support #1814: Ensure tests do not need too much RAM
- On my linux box the command *@ulimit -v 1048576@* will limit memory use to 1GiB (which seems a reasonable limit to me...
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21:55 CoCoALib Support #1814 (In Progress): Ensure tests do not need too much RAM
- Ulrich also reported that *@test-SparsePolyRing2@* now needs about 3GiB of RAM at some point. That is rather a lot!
... -
21:53 CoCoALib Slug #1813 (In Progress): Some tests have become slower
- I think the slow down may be due to a change in code in radical (of ideals)" I believe we now speculatively try to co...
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21:49 CoCoALib Slug #1813 (In Progress): Some tests have become slower
- Ulrich reports by email that the test *@test-SparsePolyRing2@* has become significantly slower; also perhaps @test-Sp...
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20:49 CoCoALib Bug #1662: txt2tags: problem with filenames containing "_" or "-"
- *AnnA* can you check whether this issue can now be closed?
Ulrich reports that 0.99850 is OK with txt2tags-2.6; I s... -
20:42 CoCoA-5 Design #1709 (Resolved): Test tut-CoCoLA2
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20:41 CoCoA-5 Design #1709: Test tut-CoCoLA2
- Ah, oops!
Since Anna did not object, I have just made the change hinted at in my comment 8 above. This should avoid...
06 Apr 2024
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15:55 CoCoA-5 Design #1709: Test tut-CoCoLA2
- John Abbott wrote:
> What do you think?
I think it would be preferable to have deterministic output (i.e. literal... -
15:34 CoCoALib Bug #1662: txt2tags: problem with filenames containing "_" or "-"
- The files released as 0.99850 work for me with txt2tags 2.6 (the latest stable 2.x version) as well as with txt2tags ...
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