Activity
From 29 Dec 2023 to 27 Jan 2024
25 Jan 2024
- 20:27 CoCoALib Design #1703 (Resolved): Threadsafety, multithreading: optional fn arg (or separate fn)
- *SUMMARY*
Offering proper thread-safety is likely trickier than I had hoped, and probably decidedly more costly at r... - 20:22 CoCoALib Design #1703: Threadsafety, multithreading: optional fn arg (or separate fn)
- Anna reported compilation warnings with @clang@:
@std::mutex@ cannot be copied or moved, so attempting to have defau... - 16:26 CoCoALib Bug #1579: Readexpr/RingElem: unhelpful error message when input is wrong
- Still to do: check other cases.
I modified only @ReadExpr(string)@ and @ReadAtom@ (for symbol).
I prefer to documen... - 16:21 CoCoALib Bug #1579: Readexpr/RingElem: unhelpful error message when input is wrong
- I think I improved these error messages (hard to spot in string otherwise):...
- 10:12 CoCoALib Bug #1579: Readexpr/RingElem: unhelpful error message when input is wrong
- Here is another test case: @RingElem(R, "y(x)")@
Looks like a function call...
23 Jan 2024
- 22:14 CoCoALib Feature #1715: ProductBigInt (also ProductBigRat???)
- If I recall well, a first attempt was disappointing.
One may have to be clever if many factors are small integers.
- 22:13 CoCoALib Feature #947: IsRadical for ideal?
- I think my idea might not work in general.
Let @I := ideal(x+y^2)@ then @I@ *is* radical. But if I add an extra ge... - 09:27 CoCoALib Design #1777: VerificationLevel: just 3? Low, high, guaranteed?
- I discussed withe the OSCAR people about putting something similar into Oscar. There it seemed simpler/clearer to of...
- 09:25 CoCoALib Design #1777 (New): VerificationLevel: just 3? Low, high, guaranteed?
- Should there be just 3 @VerificationLevel@ values?
* *@low@* fast but greater chance of wrong answer
* *@high@* sl...
22 Jan 2024
- 20:28 CoCoALib Feature #539: Functions to clean up a factorization
- Do you have a good use-case for this?
So far I have not needed such a function. Anyway priority is _low_.
- 20:24 CoCoALib Feature #1349 (In Progress): ideal ctor where given gens are a gbasis
- What is the status of this issue?
The previous comment suggests that it should be _feedback_ or _closed_. Is there ... - 20:14 CoCoALib Design #1753 (Feedback): Clean up EulerTotient, InvTotient jungle in NumTheory-misc
- I have cleaned the code:
* removed the InvTotient iterator which is superseded by the new code (which is fast enough... - 19:41 CoCoALib Design #1647: Suppress zero from ideal generators? Detect 1 and simplify generators?
- Which ideal operations could benefit from @CleanGens@?
Sum, product, maybe colon. Radical?
It might make sense t... - 19:39 CoCoALib Design #1647: Suppress zero from ideal generators? Detect 1 and simplify generators?
- Here is an outline heuristic for cleaning the generators:
* remove zeroes
* collect all monomial gens, compute GBas... - 10:58 CoCoALib Design #1647: Suppress zero from ideal generators? Detect 1 and simplify generators?
- Anna: recover ideas, read it all, decide, implement, and close!
- 11:01 CoCoALib Feature #1763: implement ideal(R) for zero ideal, with no generators?
- Anna: read it all, decide, implement, close!
- 10:53 CoCoALib Design #908: Sum of ideals: what are the generators of (x) + (0)?
- Neither the manual for CoCoALib nor for CoCoA-5 mention that the generators are the mere concatenation, so we are all...
- 10:47 CoCoALib Design #908: Sum of ideals: what are the generators of (x) + (0)?
- Anna has just confirmed that the documentation *does not guarantee* that @gens(I+J) = concat(...)@. This is good!
- 10:44 CoCoALib Design #908: Sum of ideals: what are the generators of (x) + (0)?
- Status on 2024-01-22...
- 10:37 CoCoA-5 Feature #368: port SmithNormalForm (CoCoA-4)package to CoCoA-5
- JAA has some new code from Passau which should be in integrated...
- 10:36 CoCoALib Design #1768 (Closed): Limit indentation in verbose mesgs?
- 10:28 CoCoALib Support #1761 (Feedback): MakeTermOrdMat: improve error mesg
21 Jan 2024
- 20:33 CoCoALib Slug #1569 (In Progress): IsInRadical too slow (test-RadicalMembership)
- The "stupid approach" gets the answer in 10s (on my Linux laptop)....
- 20:21 CoCoALib Bug #1662: txt2tags: problem with filenames containing "_" or "-"
- What is the status of this issue?
Is it now resolved if one uses the updated @txt2tags@ which Nico mentioned? Which... - 20:16 CoCoALib Bug #1579: Readexpr/RingElem: unhelpful error message when input is wrong
- I have added a new error mesg for the case that the first extra char is open-bracket or letter or digit.
The err mes... - 20:01 CoCoALib Design #64: submat takes only vector<long>
- In comment 8 Anna says that practically all uses could be replaced by *@FirstRows(M,n)@*, so it makes a lot of sense ...
- 19:46 CoCoALib Bug #1361: Compilation fails when compiling with libgsl
- Hi Florian. Does compilation still fail with version 0.99818 (from website)? Thanks!
19 Jan 2024
- 18:11 CoCoA-5 Design #1626 (Feedback): NewMat: should be obsolescent?
- JAA has revised the manual entry, and changed calls in @packages@ to @ZeroMat@
Anna will revise the defn in @Backwar... - 16:26 CoCoA-5 Bug #1623: EmacsUI: annoying colours
- Tested also for @DenseUPolyRing@ (and made example for DUP)
- 15:02 CoCoA-5 Bug #1623 (Feedback): EmacsUI: annoying colours
- 15:02 CoCoA-5 Bug #1623: EmacsUI: annoying colours
- Done:...
- 09:36 CoCoA-5 Bug #1623: EmacsUI: annoying colours
- John Abbott wrote:
> Does the printing change if we use @indent@? I suppose not; but could it, should it?
It is ...
16 Jan 2024
- 19:07 CoCoA-5 Bug #1623: EmacsUI: annoying colours
- Not bad! Minor variant: using square brackets for lists...
- 15:52 CoCoA-5 Bug #1623: EmacsUI: annoying colours
- New suggestion (the most compact I can think of)...
15 Jan 2024
- 19:54 CoCoA-5 Bug #1623: EmacsUI: annoying colours
- Can we conclude this discussion, implement, and close? :-)
- 19:49 CoCoA-5 Bug #469: Emacs UI: keywords in multiline comments
- [2024-01-15] I have just confirmed that the bug is still there.
If the code is commented out with *@//@* or *@--@* ... - 19:42 CoCoA-5 Design #1626: NewMat: should be obsolescent?
- Yes, we should make @NewMat@ obsolete/backward-compatible-only.
This should be an easy change (don't forget the doc ... - 19:39 CoCoA-5 Feature #1541: foreach with ref to list entry?
- Postponing this issue because it requires discussion, and could be tricky/lengthy if we opt to to make the change.
I... - 19:32 CoCoA-5 Slug #1363 (In Progress): Emacs UI: slow with long lines
- I did take a look at @so-long.el@, and it did help a bit.
Handling of long lines is a known emacs weakness; probably...
13 Jan 2024
- 22:27 CoCoALib Slug #1756: deg(f) is slow if f is long
- I have re-run the example from comment 2: it now takes 0.001s.
I'm undecided about the extra generality handling t... - 22:20 CoCoALib Design #1768: Limit indentation in verbose mesgs?
- Can we close this?
*Anna* do you agree? - 22:16 CoCoALib Slug #1739: IsHomog for ideals
- This should be easy to implement, right?
I was wondering how often one would want to know whether an ideal is homog ...
12 Jan 2024
- 13:18 Support #1774 (Feedback): Look of first Redmine page linked from CoCoA web page
- I changed this page, which may be updated only by admin, so that it just contains links to other pages.
It now refer... - 11:53 CoCoA-5 Support #1776: CoCoA-5 releases on redmine
- (Just keep updating the description)
- 11:52 CoCoA-5 Support #1776 (New): CoCoA-5 releases on redmine
- Links to the list of issues dealt with in each release:
*CoCoA-5*: Computer Algebra System
- (2020) *CoCoA-5.3.... - 11:45 CoCoALib Support #1775: CoCoALib releases on redmine
- (Just keep updating the description)
- 11:29 CoCoALib Support #1775 (New): CoCoALib releases on redmine
- Links to the list of issues dealt with in each release:
*CoCoALib: C++ library*
- (2024) *CoCoALib-0.998??* h...
04 Jan 2024
- 10:23 CoCoALib Feature #1763: implement ideal(R) for zero ideal, with no generators?
- I still think that @ideal(P)@ looks odd, and is less immediate to understand than @ideal(P,EmptyListOfRingElem)@.
Or... - 10:18 CoCoALib Design #1767: Finalize design for ideals in CoCoALib
- Also for _exception cleanliness_, an operation such as @I += J@ would almost certainly have to compute a temporary id...
- 10:14 CoCoA-5 Design #1041 (In Progress): Separators for elements of a list
- I still agree with my comments in note 3 above.
For matrices, there are really 2 separators: between elements in a r... - 09:49 CoCoALib Design #908: Sum of ideals: what are the generators of (x) + (0)?
- Currently I think we *should not* require that @gens(I+J) = concat(gens(I),gens(J))@. Other ideal operations do not ...
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