Activity
From 17 Feb 2023 to 18 Mar 2023
16 Mar 2023
- 19:49 CoCoALib Feature #1702: Use C++ attributes
- Let me clarify. I think we should try to *avoid warnings by rectifying the code.*
If we are sure the code is correc...
15 Mar 2023
- 08:40 CoCoALib Feature #1488 (Closed): BuiltIn Interreduce-Function
- Anna Maria Bigatti wrote:
> Anna Maria Bigatti wrote:
> > Reminder for me: write doc for CoCoALib (and check manual... - 08:06 CoCoALib Design #855 (Closed): Copyright and authorship?
- 08:03 CoCoALib Design #1721 (Feedback): Verbose messages: print level?
- You insipired me: I chose this look because this is how I've always desired the indentation for depth!
Reference: fi... - 07:30 CoCoA-5 Design #1698: indent: return a string?
- fixed syntax IndentStr (rtn string) and modified example, also for level 2.
cvs-ed - 06:56 CoCoA-5 Feature #1112 (Feedback): New function: IsEmpty
- In conclusion:
there is no advantage in @IsEmpty(L)@ compared to @L = []@.
And there is no advantage in removing @... - 06:45 CoCoA-5 Feature #1112: New function: IsEmpty
- And also:...
14 Mar 2023
- 23:07 CoCoA-5 Feature #1112: New function: IsEmpty
- Just out of curiosity I made yet another test:...
- 23:01 CoCoA-5 Feature #1112: New function: IsEmpty
- Mmm, so what is the conclusion here?
Originally I had hoped/expected that a simple built-in function would be faster... - 22:51 CoCoALib Design #1721: Verbose messages: print level?
- I Tjink I might prefer to info to be inside (square?) brackets:
something like this:... - 22:04 CoCoALib Design #1721: Verbose messages: print level?
- John Abbott wrote:
What about *D depth - L level* _e.g._ @D3-L40@... - 22:29 CoCoA-5 Feature #1718: FactorINT with time-out
- Do you prefer *@GBasis_TimeOut@* or *@GBasis_Timeout@*?
(and then analogously for *@FactorINT_TimeOut@*)
- 21:58 CoCoA-5 Feature #1718: FactorINT with time-out
- John Abbott wrote:
> I think I prefer with the underscore... not entirely sure why.
> Should I change *@GBasisTimeo... - 21:36 CoCoA-5 Feature #1718: FactorINT with time-out
- I think I prefer with the underscore... not entirely sure why.
Should I change *@GBasisTimeout@* to *@GBasis_TimeOut... - 22:11 CoCoA-5 Design #1075 (Feedback): LaTeX package: power-product printing
- 22:10 CoCoA-5 Design #1075: LaTeX package: power-product printing
- I think I now agree with Anna's comment 15.
If there are long indet names then the user will almost surely have to r... - 22:01 CoCoA-5 Bug #1171 (Closed): RealRoots: first point is sometimes wrong?
- I think the revised documentation is helpful here; enough so, that I shall close the issue.
- 21:57 CoCoA-5 Design #1477 (Closed): Packages: questions from Andraschko
- The *@CheckDependencies@* proposal in comment 12 is a tolerable workaround (for the moment).
The issue of document... - 21:52 CoCoA-5 Feature #1587 (Closed): Multiline string literals (again)
- *@fold@* and *@ConcatStrings@* are a reasonable compromise. We'll revisit the topic if a specific use-case comes up....
- 21:43 CoCoA-5 Design #1698 (Closed): indent: return a string?
- I have just revised the manual entry for *@indent@* and *@IndentStr@*.
I think it makes sense for them to share an e... - 21:32 CoCoALib Design #1716 (Closed): Qn: factor for BigInt
- The current state is reasonable. Some improvements could be made, but I'm not sure it is worth investing time in thi...
- 21:27 CoCoALib Feature #222: Printing polynomials - spaces between terms
- Sorry I typed in the example wrongly: there should have been a quotient (now corrected -- see comment 19)
- 21:22 CoCoALib Feature #222: Printing polynomials - spaces between terms
- *THIS REPLY BASED ON MY MISTAKE IN COMMENT 19*
On my computer I get... - 20:08 CoCoALib Feature #222: Printing polynomials - spaces between terms
- I am tempted to make the following change (which I hope is not too difficult):
* the coefficient of the PP 1 is prin... - 20:00 CoCoALib Feature #222: Printing polynomials - spaces between terms
- *SOURCE CODE* has moved: now near *@SparsePolyOps-RingElem.C:480@*
- 21:23 CoCoALib Design #1346: C++14: use the new for loop syntax where appropriate (like cocoa's foreach)
- I have done some more. Anna fixed yesterday's bug.
Need a break from this... anyway it does seem to make the code m... - 20:09 CoCoALib Feature #253 (Closed): W.Bruns's wish list
- 19:52 CoCoALib Support #256 (Closed): Improve doc about ordering/grading for poly rings
- 19:49 CoCoALib Feature #664: Impl small non-prime finite fields (using logs)
- I'd need a few free days to finish this (and to remember where I'd got to).
Maybe something for the summer holiday?
... - 19:45 CoCoALib Bug #1233: factor SEGV -- too large characteristic
- I have just tried:...
- 14:59 CoCoA-5 Design #635 (Closed): Automatic mapping of RingElem (in operation with a compound value)
- Added ".. promotion mapping .." (3 lines) and checked in.
Closing.
- 14:51 CoCoA-5 Design #635: Automatic mapping of RingElem (in operation with a compound value)
- I added the manual search key "promotion mapping" to CanonicalHom and to matrix
- 14:46 CoCoA-5 Design #635: Automatic mapping of RingElem (in operation with a compound value)
- John Abbott wrote:
> I have changed the err mesg to be more comprehensible: "automatic" instead of "auto".
what a... - 11:56 CoCoA-5 Bug #1539 (Closed): Website: installation instructions for Microsoft
- Seems mainly reasonable. My students, those who read the instructions, managed to install it.
- 11:53 CoCoA-5 Feature #1724 (Closed): New function: AdjacentMinors
13 Mar 2023
- 22:03 CoCoALib Design #1716: Qn: factor for BigInt
- It is now possible to impose a timeout.
- 22:02 CoCoALib Design #950 (Closed): factor and SmoothFactor for integers --> FactorINT, FactorINT_TrialDiv, FactorINT_PollardRho
- The current impl is good enough for most purposes.
Some factors may be reducible if PollardRho is used.
Too bad.
C... - 21:57 CoCoALib Design #1346: C++14: use the new for loop syntax where appropriate (like cocoa's foreach)
- This is a mind-numbing task.
Something weird in *@SparsePolyOps-reduce.C@*:
the obvious transformation of the code ... - 21:50 CoCoALib Bug #1712 (Closed): Windows: New configuration script
- Yes, this can be closed and the Qt-Gui already has its own issue: #1713
- 18:31 CoCoALib Bug #1712: Windows: New configuration script
- Can we close this issue?
Maybe make a new issue with details about the Qt GUI problem?
- 19:01 CoCoALib Design #1727 (New): Cruft in ExtLibs-Normaliz.C
- @ExtLibs-Nrmaliz.C@ contains quite a lot of commented out code.
Can it be deleted? Or is it an incomplete extension?
- 18:41 CoCoA-5 Feature #1724 (Feedback): New function: AdjacentMinors
- Documentation done...
12 Mar 2023
- 18:04 CoCoALib Bug #1662: txt2tags: problem with filenames containing "_" or "-"
- About a year ago, I created a PR on their repo (https://github.com/txt2tags/txt2tags/pull/244) targeting the v2 branc...
11 Mar 2023
- 12:29 CoCoALib Design #1628: Unused variables, params, data members
- Several functions have an unused parameter @CheckForTimeout@.
It would be nice to activate the time-out for these fn...
10 Mar 2023
- 19:17 CoCoALib Design #855: Copyright and authorship?
- John Abbott wrote:
> I think we can close this.
> The code by Arri is destined to be removed before too long (and n... - 18:29 CoCoA-5 Design #1075: LaTeX package: power-product printing
- John Abbott wrote:
> I like the suggestion of putting a backslash in front of all long indet names:
> * if the inde... - 17:31 CoCoA-5 Design #1075: LaTeX package: power-product printing
- I am a little unhappy about @\!\:@ which does look rather ugly.
Maybe it is OK if (at least) one of the indets does... - 17:28 CoCoA-5 Design #1075 (Resolved): LaTeX package: power-product printing
- I like the suggestion of putting a backslash in front of all long indet names:
* if the indet name is a greek letter... - 17:48 CoCoALib Feature #718 (Resolved): Insert calls to CheckForInterrupt
- I do this whenever I encounter a case which is not yet covered.
I think most cases are now covered. Hence 90%. But... - 17:46 CoCoALib Slug #1557 (Closed): Reading list of rationals is too slow
- This is not so important. Yes, it is strange that CoCoA-5 can read the input so fast... but it is not important.
- 17:08 CoCoA-5 Feature #7 (Resolved): Automatic mapping between (some) rings
- What is the status of this issue?
I thought it was almost finished.
09 Mar 2023
- 23:11 CoCoA-5 Design #635 (Feedback): Automatic mapping of RingElem (in operation with a compound value)
- I have changed the err mesg to be more comprehensible: "automatic" instead of "auto".
I think we can close this is... - 23:03 CoCoA-5 Slug #948 (Feedback): radical is slow (compared to singular) on these examples
- 22:57 CoCoA-5 Support #1077: Manual: remove old stuff about "devices"
- Shall I just do this?
Any objections?
- 22:56 CoCoA-5 Design #1477 (Feedback): Packages: questions from Andraschko
- Current state (2023-03-09):
*(A)* and *(B)* and *(C)* have effectively been solved.
For *(D)* there is a workaround... - 22:45 CoCoA-5 Feature #1246 (Feedback): Revive old CoCoA4 package called "cocoa5.cpkg"
- Is there any news from Passau about this issue?
Is there an improved version of *@OperationCommunication.cpkg5@*?
- 22:42 CoCoA-5 Bug #1695 (Closed): boost-find-lib.sh
- 22:41 CoCoA-5 Design #1696 (Closed): Which BOOST libs are actually needed?
- 22:39 CoCoA-5 Feature #1718 (Feedback): FactorINT with time-out
- No one objected to *@FactorINT_TimeOut@*.
I wonder if *@GBasisTimeout@* should be renamed to *@GBasis_TimeOut@* -- w... - 22:37 CoCoALib Bug #1719 (Feedback): FactorINT has got worse
- The current code works a lot better.
I suppose I should find time sooner or later to *implement the idea in comment ... - 22:25 CoCoALib Feature #1488: BuiltIn Interreduce-Function
- *Anna?*
- 22:23 CoCoALib Design #1689 (Closed): Automatic mapping of RHS in += etc
- 22:15 CoCoALib Feature #800 (Closed): PPMonoidSparse: impl of sparse PPs
- It make sense to close this issue, and let issue #842 deal with the disappointing execution speed.
- 22:11 CoCoALib Support #1265 (Resolved): Unregistered TXT files in doc
- The only remaining case is *@SparsePolyOps.txt@* which is almost empty...
*BUT* there are several other files *@Spar... - 22:01 CoCoALib Support #26: Redmine Administration
- *Anna:* could you produce a short user-guide for redmine.
I think it will be useful for both of us!
Not sure where... - 21:58 CoCoALib Bug #536 (Closed): Make RingBase::myCharacteristic a fn rather than a proc
- 21:57 CoCoALib Feature #253 (Resolved): W.Bruns's wish list
- Shall we close this very old issue? Most of its children have been completed.
- 21:53 CoCoALib Design #855: Copyright and authorship?
- I think we can close this.
The code by Arri is destined to be removed before too long (and no one is maintaining it)... - 21:50 CoCoALib Bug #1522 (Closed): SEGV: avoid long linked lists of loaves in MemPools
- 21:48 CoCoALib Feature #1694 (Closed): New expv/exponents function?
- I have cleaned up all calls which I think needed cleaning.
*Observation:* I thought it was odd that @exponents(exp... - 21:41 CoCoA-5 Support #1675: Version 5.4.0 requires Visual C++ Runtime 2013 on Windows
- I have analysed version 5.4.0 and my currently installed CoCoA version (5.4.1k), compiled on 24 Feb 2023 at 09:59:49 ...
- 21:07 CoCoALib Bug #1712: Windows: New configuration script
- Thanks for the update! Yes, I will be able to compile it whenever you want.
I will also try to remove the limitation... - 20:55 CoCoALib Bug #1712: Windows: New configuration script
- We are hoping to make a new official release in the next few days (probably early next week).
*@Nico:* Will you be a... - 20:49 CoCoALib Bug #1725 (Closed): resultant: gives wrong answer when should be 0
- I have some doubts about correct @SubresultanSeq@ is... it seemed to contain a 0 for one test input (now forgotten).
... - 20:16 CoCoALib Bug #1726 (In Progress): Dangling references to temporaries
- I am still perplexed by these warnings. I'm pretty sure the code is safe: all it is doing is giving a convenient sho...
- 09:43 CoCoALib Bug #1726: Dangling references to temporaries
- Thanks for letting us know! We are about to release a new version of CoCoA... hopefully tomorrow or early next week....
08 Mar 2023
- 21:57 CoCoALib Bug #1726 (Closed): Dangling references to temporaries
- The Fedora Linux project has built all packages with GCC 13, which will be released soon. I see warnings of this for...
- 21:37 CoCoALib Bug #1522 (Feedback): SEGV: avoid long linked lists of loaves in MemPools
- I'm not convinced the test in comment 12 is really a good test.
Anyway, i have reproduced results which suggest that... - 21:13 CoCoALib Slug #1337 (In Progress): PrimaryDecomposition: a interesting/pathological example
- 2023-03-08 I have just run the example (on my current GNU/Linux box).
The times are: 0.33s and 499s (ouch! slow... - 20:52 CoCoALib Design #1689 (In Progress): Automatic mapping of RHS in += etc
- The current impl gives an error if the LHS would be promoted.
I am inclined to accept this impl, and close this issu... - 20:29 CoCoALib Bug #536 (Feedback): Make RingBase::myCharacteristic a fn rather than a proc
- I have made the change. I really cannot see a sane use-case where @characteristic@ needs to be super efficient.
I h... - 19:48 CoCoALib Bug #1662: txt2tags: problem with filenames containing "_" or "-"
- What is the status of this issue? Is it advanced enough that we can close this week? (I hope so)
- 19:44 CoCoALib Support #59: List of all functions in CoCoALib
- I think the documentation for CoCoALib needs a major overhaul...
Something similar to what we have made for CoCoA-5 ...
07 Mar 2023
- 21:00 CoCoALib Feature #1360 (Closed): configure script: add flags for "only cocoalib" or "both cocoalib and cocoa5" (for boost)
- I'm closing this issue -- I think it has become too long (20 comments).
The current @configure@ script is definitely... - 20:55 CoCoALib Bug #1710 (Closed): IsSqFree, IsIrred bugs in ZZ[x] and QQ[x]
- 20:54 CoCoALib Feature #1694: New expv/exponents function?
- Let's discuss this issue. I hope we can close it this week!
- 20:51 CoCoALib Support #1265: Unregistered TXT files in doc
- Let's discuss this issue. I hope we can resolve it this week.
- 20:49 CoCoALib Support #1263: Tidy CoCoALib test directory
- It would be nice to close this issue... I have decided to postpone it, since it likely requires some discussion.
I... - 20:38 CoCoALib Design #1572: Use noexcept
- Postponing to have more time to discuss & think; also there is not enough time to make the checks implied by the last...
- 20:36 CoCoALib Design #1572: Use noexcept
- *Point 1*
As in the previous comment: for fns which use @CoCoA_ASSERT@ we can now write something like... - 20:27 CoCoALib Feature #1723 (Closed): New fn CoprimePart, OddPart: naming question
- 20:23 CoCoA-5 Support #1675: Version 5.4.0 requires Visual C++ Runtime 2013 on Windows
- We plan to make a new release quite soon (before the CoCoA School).
I'm hoping Nico Mexis might be willing to make t...
06 Mar 2023
- 22:41 CoCoALib Bug #1710: IsSqFree, IsIrred bugs in ZZ[x] and QQ[x]
- I have now extended *@IsCoprime@* so that it covers integers and ring elems,and a mixture of the two.
Added tests, a... - 20:56 CoCoALib Feature #1723: New fn CoprimePart, OddPart: naming question
- I have added _b-free part_ as a keyword (or similar).
The fn name I have kept as @CoprimePart@, as it seems a reason... - 20:54 CoCoALib Bug #1725: resultant: gives wrong answer when should be 0
- Now I think I have really fixed it!
Also added an exbugs test.
Will check in shortly.
05 Mar 2023
- 20:15 CoCoALib Bug #1725 (Resolved): resultant: gives wrong answer when should be 0
- I have now fixed it. Will add a new exbugs test, and check in.
- 20:14 CoCoALib Bug #1725 (Closed): resultant: gives wrong answer when should be 0
- Here is a smaple input (in CoCoA-5):...
- 18:52 CoCoALib Design #1572: Use noexcept
- I have just modified @configure@ so that it defines the CPP macro *@CoCoA_DEBUG_MODE@*.
This new macro is either *@t...
28 Feb 2023
- 15:19 CoCoALib Feature #1723: New fn CoprimePart, OddPart: naming question
- After looking a bit further into this, if ...
27 Feb 2023
- 20:48 CoCoALib Feature #1723: New fn CoprimePart, OddPart: naming question
- A quick thought I had about that: Two separate functions (or at least a ...
- 20:17 CoCoALib Feature #1723: New fn CoprimePart, OddPart: naming question
- Oops! I had meant to include Nico Mexis as a watcher for this issue.
I have just added him. Let's see if he has an... - 20:15 CoCoALib Feature #1723: New fn CoprimePart, OddPart: naming question
- Thanks for the feedback!
I must agree that it is probably easier to guess what the fn does if it is called *@Coprime... - 12:09 CoCoALib Feature #1723: New fn CoprimePart, OddPart: naming question
- John Abbott wrote:
> Since I need the fn for something else, I'll proceed with *@CoprimePart@*.
> But I still hope ... - 20:45 CoCoA-5 Design #1681: Should Starting be case-insensitive?
- I have just revised the impl in *@coclib.cpkg5@*
Right now there is a local variable which says whether to do a case... - 20:23 CoCoA-5 Design #1681 (In Progress): Should Starting be case-insensitive?
- A disadvantage of being case insensitive is that it may sometimes produce too much output...
in theory... are there ... - 20:12 CoCoALib Design #1721 (In Progress): Verbose messages: print level?
- I wonder whether the format you propose is too terse, but then making it longer perhaps produces too much output?
No... - 12:31 CoCoALib Design #1721: Verbose messages: print level?
- Proposed look (invented numbers) @[depth:level] space space@...
- 12:15 CoCoALib Design #1721: Verbose messages: print level?
- Yes!!! That's a great idea!
It would be impossibile to keep the documentation up to date... and tedious to read.
- 12:57 CoCoA-5 Slug #1722: Daft slug
- At least partly due to memory creation for intermediate computations: restarting CoCoA and swapping the computations...
- 12:40 CoCoA-5 Slug #1722: Daft slug
- John Abbott wrote:
> On my current linux box the timings are:
> [...]
On my Mac... - 12:38 CoCoA-5 Design #1698: indent: return a string?
- John Abbott wrote:
> I do not have @IndentStr@:
> [...]
>
> Can you check in? And write the manual (should be t... - 11:48 CoCoA-5 Feature #1724 (Resolved): New function: AdjacentMinors
- done and pre-released for testing
Still to do: manual
20 Feb 2023
- 21:54 CoCoALib Feature #1723 (In Progress): New fn CoprimePart, OddPart: naming question
- Since I need the fn for something else, I'll proceed with *@CoprimePart@*.
But I still hope to get feedback, and per...
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