Activity
From 16 Mar 2024 to 14 Apr 2024
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 ...
31 Mar 2024
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20:40 CoCoA-5 Support #1675 (Closed): Version 5.4.0 requires Visual C++ Runtime 2013 on Windows
- Only just noticed that my previous comment seems to be cut off for some reason... The feedback was positive: The new ...
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20:35 CoCoALib Bug #1811: Check include guards
- Just a small question to throw in the room: Might it be worth considering to migrate to ...
29 Mar 2024
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10:37 CoCoALib Bug #1812 (New): Documentation: indexXX.html should be recompiled if version has changed
- There is no dependency on configuration/version in doc/Makefile for index...html.
(on the other hand the pdf manual ... -
08:25 CoCoALib Design #1753: Clean up EulerTotient, InvTotient jungle in NumTheory-misc
- set to 100% (after being closed)
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08:22 CoCoALib Support #1687: Release CoCoALib 0.99850
*done* Redmine Roadmap: close or postpone issue
*done* Redmine Release issues: check percentages, check timi...
28 Mar 2024
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23:10 CoCoALib Bug #1661 (Closed): Microsoft: cannot compile with signal handling
- I think Nico said it is OK now. Closing!
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23:04 CoCoALib Bug #1811 (Resolved): Check include guards
- Also the interpreter has CPP symbols without the CoCoA prefix. Is that right?
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23:00 CoCoALib Bug #1811 (Feedback): Check include guards
- Some files have include guards without the @CoCoA_@ prefix...
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15:12 CoCoALib Support #1810: Release CoCoALib 0.99900
- Release issues:
https://cocoa.dima.unige.it/redmine/projects/cocoalib/issues?query_id=49
Here is a list of the ma... -
15:11 CoCoALib Support #1810 (New): Release CoCoALib 0.99900
- Everything related to making a CoCoALib release:
Redmine Roadmap: close or postpone issue
Redmine Release... -
10:15 CoCoALib Feature #1206 (Closed): syz, SyzOfGens: which shifts for zero?
- Updated documentation submodule.txt (need proper example ex-syz.C)
Updated CoCoA-5 test test-syz, cvs-ed and include... -
08:15 CoCoALib Feature #1206: syz, SyzOfGens: which shifts for zero?
- restored "final decisions" in description removed by mistake.
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08:12 CoCoALib Feature #1206: syz, SyzOfGens: which shifts for zero?
- added documentation for CoCoA-5
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08:45 CoCoALib Feature #1809 (New): Make ex-syz.C
- Dealing with syzygies is non-trivial, expecially with shifts.
There is a dedicated function NewFreeModuleForSyz whic... -
07:35 CoCoALib Feature #1808: New constructor for PolyRing with elimination ordering
- This issue originates #78 (for CoCoA-5).
However, elimination orderings are widely used in CoCoALib (not just for el... -
07:31 CoCoALib Feature #1808 (In Progress): New constructor for PolyRing with elimination ordering
- New syntax @NewPolyRingElim(....)@ would be handy, and also easily transferred to CoCoA-5.
Design its interface (eg:... -
07:16 CoCoA-5 Feature #78: Elim ordering and matrix ordering in CoCoA-5
- Anna Maria Bigatti wrote:
> How to make this easier? Here is a possible shortcut:
> P := NewPolyRingElim(QQ, ElimI...
27 Mar 2024
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17:47 CoCoALib Feature #1206 (Resolved): syz, SyzOfGens: which shifts for zero?
- Still to do: documentations showing how to deal with 0 entries, in CoCoALib and in CoCoA5
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17:43 CoCoALib Feature #1206: syz, SyzOfGens: which shifts for zero?
- Anna Maria Bigatti wrote:
> Should we make @SyzOfGens@ obsolescent? does it do anything more than calling @syz(gens... -
17:31 CoCoALib Feature #598: Syzygy for modules: non-homogeneous module
- I moved this issue from CoCoA-5 to CoCoALib
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17:24 CoCoALib Feature #598 (In Progress): Syzygy for modules: non-homogeneous module
26 Mar 2024
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17:19 CoCoALib Feature #1667: GBasis over ZZ: port to CoCoALib
- Michele Toriell is asking for this. There was C++ from when i was in Passau: dig it out, and blow the dust off.
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17:14 CoCoALib Feature #598: Syzygy for modules: non-homogeneous module
- Good idea to make comprehensive tests.... perhaps not easy.
Why "feedback" and 10% complete?
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10:02 CoCoALib Feature #598 (Feedback): Syzygy for modules: non-homogeneous module
- This issue is old.
I'm making a test file test-sys.cocoa5.
I'll update and write there what we have working for hom... -
17:12 CoCoA-5 Feature #1072: syz: apply to ModuleElem?
- Agreed that we should reject.
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13:35 CoCoA-5 Feature #1072 (Rejected): syz: apply to ModuleElem?
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09:59 CoCoA-5 Feature #1072 (Resolved): syz: apply to ModuleElem?
- I'm inclined to reject this.
It would be ambiguos: syz of the components, or of the cyclic module it generates? -
14:36 CoCoALib Design #582: Error codes: use same code for "not poly ring" and "not elem poly ring"
- I think this has been agreed upon a long time ago, as explained in #582-3.
Moreover the recent addition of the conte... -
14:22 CoCoALib Design #1807 (In Progress): Error codes: "Not..." for "blah must be ..." -- change prefix
- In the general picture of improving the error codes, I suggest a trivial (though extensive) change.
Look at these na... -
13:44 CoCoA-5 Feature #1806 (New): New function ModuleElems? (like RingElems(RING, STRING))
- The best shortcut to make a submodule is via @SumboduleCols/Rows@.
As pointed out in #1072-#1, even for one genera... -
12:16 CoCoA-5 Feature #1805 (New): Add CoCoA-5 syntax: syz(<F,> list of ModuleElem)
- Currently we can call SyzOfGens(M), but it should also be possibile to call syz(gens(M)).
This is tedious because ... -
11:50 CoCoALib Feature #1793: Use ErrorContext instead of string FnName
- Added also to NewFreeModuleForSyz.
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10:42 CoCoALib Feature #1206: syz, SyzOfGens: which shifts for zero?
- Anna Maria Bigatti wrote:
> This is my suggestion: implement a new function @syz0@ which allows 0s in the input (giv...
25 Mar 2024
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19:31 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. Does MinGW offer ...
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19:29 CoCoALib Design #1804 (In Progress): Use long long (at least sometimes)?
- Winfried Bruns suggested in issue #1661 to consider using *@long long@* wherever we want more than 32-bits.
Investig... -
19:16 CoCoALib Feature #1797: Add a function CleanupGens making some easy cleaning on the generators?
- This might be a separate issue: should there also be a similar function which "prepares" the generators for computin...
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19:06 CoCoALib Feature #1803 (New): Improve trivial operations with ideal whose GBasis is [1]
- Sum is clever -- if HasGBasis(I) and is ideal(1).
Do the same for product and for other similar operations.... -
19:05 CoCoALib Design #1802: Tidying ideal generators (for non-polynomial ideals)
- First steps:
* remove 0 generators
* if any generator is 1 (or invertible) then the ideal is 1
* for integer ideal... -
19:02 CoCoALib Design #1802 (New): Tidying ideal generators (for non-polynomial ideals)
- Generalize the ideas of issue #1647 to other types of ideal (and modules?)
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19:02 CoCoALib Design #1647 (Closed): Suppress zero from ideal generators? Detect 1 and simplify generators?
- Moving note-33 (product) to another issue, because not related to generators.
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18:13 CoCoALib Design #1647: Suppress zero from ideal generators? Detect 1 and simplify generators?
- Sum is clever -- if HasGBasis(I) and is ideal(1)
Do it also for product.... -
18:51 CoCoALib Design #1801: BuildInfo
- The function for CoCoA-5 is VersionInfo() defined in BuiltingFunctions.C
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18:49 CoCoALib Design #1801: BuildInfo
- We need to consider the behaviour both in CoCoALib and in CoCoA-5.
Anna suggests that it is more helpful to mainta... -
18:47 CoCoALib Design #1801 (In Progress): BuildInfo
- Three things:
* why do some preprocessor flags have prefix *@COCOA_@* while others have *@CoCoA_@* ?
* for whom are... -
18:18 CoCoALib Bug #1661 (Resolved): Microsoft: cannot compile with signal handling
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09:32 CoCoALib Bug #1661: Microsoft: cannot compile with signal handling
- Anna Maria Bigatti wrote:
> Add the value of this flag to "VersionInfo()" in CoCoA-5 (work for me)
and in BuildI... -
09:30 CoCoALib Bug #1661: Microsoft: cannot compile with signal handling
- Add the value of this flag to "VersionInfo()" in CoCoA-5 (work for me)
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18:05 CoCoALib Bug #1726 (Closed): Dangling references to temporaries
- I believe I have made all necessary changes. So closing -- it works fine for us...
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17:55 CoCoALib Design #1720: DivAlg in CoCoALib
- to be improved (see Nicolas Jagersma code using GPoly)
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17:49 CoCoALib Design #1800: Conversion from SmallPrime to UNSIGNED long?
- We have long tried to avoid unsigned values because they can cause inconvenient, silent, automatic conversions.
But ... -
17:47 CoCoALib Design #1800 (In Progress): Conversion from SmallPrime to UNSIGNED long?
- Currently there is an "implicit" conversion from @SmallPrime@ to @signed long@.
Should the conversion instead be to ... -
17:49 CoCoALib Design #1649 (Closed): Add file SparsePolyOps-vector.C
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09:06 CoCoALib Design #1649: Add file SparsePolyOps-vector.C
- Anna Maria Bigatti wrote:
> I suggest having all headers in SparsePolyOps-RingElem.H (well indicated) and the "vecto... -
08:22 CoCoALib Design #1649: Add file SparsePolyOps-vector.C
- After trying to rearrange the header files I found this problem.
There are functions on vectors of RingElem need hea... -
08:12 CoCoALib Design #1649 (Resolved): Add file SparsePolyOps-vector.C
- After closing I realized that the "coefficients" functions were missing and that the .H files were not aligned.
Stil... -
07:42 CoCoALib Design #1649 (Closed): Add file SparsePolyOps-vector.C
- Anna Maria Bigatti wrote:
> Add syz and syz0 (allowing 0s) for vector of RingElem
*syz* should stay in @submodule...
24 Mar 2024
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10:52 CoCoALib Design #1799: Clean out OLD CODE?
- Apart from being untidy (& possibly embarassing) the old code does sometimes cost time if we have to maintain it.
Wh... -
10:50 CoCoALib Design #1799 (New): Clean out OLD CODE?
- The sources contain some quite old code which is likely no longer used.
We should identify the code and consider rem...
22 Mar 2024
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23:20 CoCoALib Bug #1661: Microsoft: cannot compile with signal handling
- A macro like ...
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22:04 CoCoALib Bug #1661: Microsoft: cannot compile with signal handling
- I have been working through Nico's changes. Still undecided about several of them :-/
The 32-bit vs 64-bit problems... -
23:13 CoCoALib Support #302: Compilation on M$Windows: Visual Studio
- The problem with ...
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21:01 CoCoALib Support #302: Compilation on M$Windows: Visual Studio
- Is any of this still relevant?
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18:18 CoCoA-5 Feature #78: Elim ordering and matrix ordering in CoCoA-5
- I like Anna's possible shortcut from comment 9.
Shall we impl it?
*NOTE* also for CoCoALib? -
18:17 CoCoALib Feature #313 (In Progress): Elim(vector<long>) as PPOrderingCtor
- Probably the functions ElimMat-like are good enough for this.
At least we should write some explicit example here (f... -
18:12 CoCoALib Slug #777: SLUG: elimination
- There are two improvements we can still make:
# tell myFinalizeGBasis interreduce only the polynomials with the want... -
17:25 CoCoALib Slug #777: SLUG: elimination
- Now it takes 165s (I don't know how long it was before)
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15:58 CoCoALib Slug #777: SLUG: elimination
- Anna Maria Bigatti wrote:
> Apart from the improvements we can do for @elim@ (and are about to do ;-)
I wonder if... -
18:01 CoCoALib Slug #1394 (Resolved): Oddly slow GBasis computation (slow final cleanup)
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17:56 CoCoALib Slug #1394: Oddly slow GBasis computation (slow final cleanup)
- John Abbott wrote:
> Anna points out that the actual cost is the normal form reduction inside the *@isin@* operator.... -
17:53 CoCoALib Slug #1394 (In Progress): Oddly slow GBasis computation (slow final cleanup)
- Anna points out that the actual cost is the normal form reduction inside the *@isin@* operator. The computation of t...
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16:43 CoCoALib Slug #1394: Oddly slow GBasis computation (slow final cleanup)
- Current timings after the LT checking in the final cleaning (just marginally better than before, but most of the time...
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16:16 CoCoALib Slug #1394: Oddly slow GBasis computation (slow final cleanup)
- I changed the verbosity to 130 (to see what goes on in the -Final clean up)
Now it is faster because the polynomials... -
16:19 CoCoALib Slug #1796: myFinalizeGBasis ("Final clean up") should be more flexible
- Improved (see #777-12).
Still, could be more clever when computing elimination and some reductions are completely us... -
14:38 CoCoALib Feature #1094: Revive code for SelfSaturating GBasis
- Remember to add tests to test-GB.cocoa5
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14:32 CoCoALib Feature #1212 (Closed): New function: GBasisByHomog
- Good thing I wrote #1212-19! My first implementation was wrong (embarrassing).
Now all implemented and I added a Co... -
10:20 CoCoALib Support #942: Which names to use? Intersection/saturation vs intersect/saturate
- I prefer to go through similar situations before changing the current names.
Make a list.
Postponing.
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10:18 CoCoALib Slug #967: Improve saturate
- Different situations to consider (from #1619-8)
* monomial
* homog
* principal
* univariate
* general
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10:14 CoCoALib Feature #1619 (Closed): Make saturate available in CoCoALib
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09:38 CoCoALib Design #1649 (Resolved): Add file SparsePolyOps-vector.C
- Add syz and syz0 (allowing 0s) for vector of RingElem
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09:35 CoCoALib Design #1649 (Feedback): Add file SparsePolyOps-vector.C
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09:35 CoCoALib Bug #1726 (Feedback): Dangling references to temporaries
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09:30 CoCoALib Design #1798: Computing in sub polyring
- The test in note-3 would be faster if called in the minimal sub-polyring.
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09:27 CoCoALib Design #1798: Computing in sub polyring
- From #1641-11
It seems it's the "high number of variables" problem, and syz itself is quite fast: this examples take... -
09:23 CoCoALib Design #1798 (New): Computing in sub polyring
- Investigate whether it is a good idea to adapt certain operations to compute in a sub polyring (without unnecessary i...
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09:29 CoCoALib Slug #1588: ElimMat is slow
- I though we had a class for incremental gaussian reduction. That should be useful in this case!
We can also make ... -
09:13 CoCoALib Feature #1780 (Closed): radical for ideals in SparsePolyRing: code in C++
- The old CoCoA-5 radical code is currently still available as function @radical_COCOALANGUAGE@ in the radical.cpkg5 pa...
21 Mar 2024
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20:40 CoCoALib Slug #1756: deg(f) is slow if f is long
- My previous comment just above is correct, but we can sometimes do better.
I think we need to consider just the "low... -
20:31 CoCoALib Bug #1749 (Closed): Configuration hiccups on Mac M1
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20:29 CoCoALib Design #1085 (Closed): Fns with "OUT" args: should they give ERR::MixedRings?
- I'm too lazy to track down all the functions which ought to be tested, and then to write the corresponding tests.
So... -
20:24 CoCoALib Design #1606 (Closed): Return type with const
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20:18 CoCoALib Bug #1641 (Closed): gcd does not recognize univariate input
- I have added some new tests to @test-SparsePolyRing1.C@.
I conform that Anna's example from comment 11 does seems to... -
12:02 CoCoALib Bug #1641: gcd does not recognize univariate input
- The problem for multivariate syz with many indets (from note-8 on) seems to be considered in #1057 and #1068, so I wo...
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11:31 CoCoALib Bug #1641: gcd does not recognize univariate input
- It seems it's the "high number of variables" problem, and syz itself is quite fast: this examples takes ~4s on my com...
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10:25 CoCoALib Bug #1641: gcd does not recognize univariate input
- Ah yes, I do have debugging on.
Do you get a measurable time difference if the ring contains just 3 indets or if it ... -
10:01 CoCoALib Bug #1641: gcd does not recognize univariate input
- John Abbott wrote:
> The new code seems to work now, and is faster if the polys are recognized as univariate.
>
>... -
18:02 CoCoALib Slug #967: Improve saturate
- I also added the factorization in the case of a monomial (similar test as in #967-5, now in test0saturate.cocoa5).
... -
17:56 CoCoALib Bug #1790 (Closed): saturate with zero ideals
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13:27 CoCoALib Bug #1790: saturate with zero ideals
- John Abbott wrote:
> The problem was that in @BuiltInFunctions-CoCoALib.C@ there was a call to @I->mySaturate(J)@ in... -
17:55 CoCoALib Feature #1619: Make saturate available in CoCoALib
- added CoCoA-5 test-saturate.cocoa5
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17:54 CoCoALib Feature #1619: Make saturate available in CoCoALib
- John Abbott wrote:
> Maybe different types:
> * monomial
> * principal
> * univariate
> * general
also homog -
11:55 CoCoA-5 Slug #1068: PolyRing constructor: NewOrdvArith computed twice
- I added some verbosity...
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09:39 CoCoA-5 Bug #1794: Do not use random inside tests!!
- John Abbott wrote:
> The cause is not too surprising: @demo-Osaka2015.cocoa5@ uses a random example (on line 72).
>...
20 Mar 2024
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22:41 CoCoA-5 Bug #1794 (In Progress): Do not use random inside tests!!
- The cause is not too surprising: @demo-Osaka2015.cocoa5@ uses a random example (on line 72).
Evidently, with debuggi... -
22:03 CoCoALib Bug #1641 (Resolved): gcd does not recognize univariate input
- The new code seems to work now, and is faster if the polys are recognized as univariate.
What I do not understand ... -
16:48 CoCoALib Design #1647: Suppress zero from ideal generators? Detect 1 and simplify generators?
- This is all done (I believe) for ideals in SparsePolyRing.
Do it also for ideals in other rings (should we have anot... -
15:53 CoCoALib Feature #1788 (Closed): New MatrixView/function "FirstRows/FirstCols"?
- Added documentation for CoCoALib/5.
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15:26 CoCoALib Feature #1788 (Feedback): New MatrixView/function "FirstRows/FirstCols"?
- I liked this too much and I did it.
Called in some lib/5 tests, called by GradingMat.
Easy enough. should not need...
19 Mar 2024
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22:21 CoCoA-5 Support #629: Windows-GUI: compilation with MinGW
- I know it has been quite some time, but I have made some progress on this: Even the GUI works for me!
However, there... -
22:10 CoCoALib Bug #1641: gcd does not recognize univariate input
- Made some progress. This is more tedious than I thought... the doc for CoCoALib could be better... (and the design t...
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20:18 CoCoALib Bug #1641: gcd does not recognize univariate input
- The problem code is in @SparsePolyOps-RingElem.C@ around line 718 (search for @SyzOfGens@ or maybe just @syz@).
I... -
20:05 CoCoA-5 Support #1759: Better error mesg for 1.2.3.4?
- The relevant source code is probably in @Parser.C@ near line 1924 inside the function @parseSelectors@ right after @c...
18 Mar 2024
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21:48 CoCoALib Bug #1726: Dangling references to temporaries
- *Hi Jerry James*
Could I send you a TGZ of the latest sources, so that you can try compiling, and see whether there ... -
21:45 CoCoALib Support #942: Which names to use? Intersection/saturation vs intersect/saturate
- *@sat@* is perhaps too short, and may be ambiguous with the *@SAT@* (satisfiability) family of functions.
I'm undeci... -
18:44 CoCoALib Support #942: Which names to use? Intersection/saturation vs intersect/saturate
- [Conversation with Robbiano]
XXXX-ation gives a commutative feeling, XXXX-ate gives and action (non-commutative) fee... -
18:35 CoCoALib Support #942 (In Progress): Which names to use? Intersection/saturation vs intersect/saturate
- Also *@IntersectionList@*
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14:10 CoCoALib Support #942: Which names to use? Intersection/saturation vs intersect/saturate
- In CoCoA-4 we had intersection and saturation. Now we have a mixture...
Singular and Macaulay use *@intersect@* a... -
21:39 CoCoA-5 Feature #823: NewPolyRing with weights -- better interface?
- I did slightly prefer the name I suggested in note 7 (but it is longer).
Anyway, this is a good improvement to the i... -
17:02 CoCoA-5 Feature #823: NewPolyRing with weights -- better interface?
- Added example in ex-PolyRing2.C
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16:17 CoCoA-5 Feature #823 (Closed): NewPolyRing with weights -- better interface?
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21:31 CoCoALib Bug #1740: MinGens gives non minimal gens *if some deg=0*
- Perhaps *@ERR::NYI@* ?
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09:51 CoCoALib Bug #1740: MinGens gives non minimal gens *if some deg=0*
- For the time being: should we give error? (as if non-homogeneous?)
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21:27 CoCoA-5 Feature #1583: New fn ElapsedTimeFrom?
- I'm tempted to *reject* this. Yes, there is the risk mentioned in the description, but it is not so serious -- if ne...
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21:20 CoCoA-5 Support #1603: Unhelpful behaviour in "compatibility mode": double error mesg
- I'm very tempted to mark this one *won't fix*.
It would likely be a lot of work modifying the parser/interpreter, an... -
21:14 CoCoA-5 Support #1650 (In Progress): Potentially confusing prompt: waiting for semicolon
- Since some languages (such as Julia) do not require semicolons to end the command while CoCoA does, perhaps the a com...
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21:05 CoCoA-5 Feature #1701: Preliminary packages
- We can put a page for preliminary packages in the main manual. It should either contain a list of the packages (and ...
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20:59 CoCoA-5 Design #1709 (In Progress): Test tut-CoCoLA2
- Maybe we can change the relevant line(s) to something like:...
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20:51 CoCoA-5 Bug #1795 (Feedback): Makefile problem: needlessly relinks CoCoAInterpreter
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20:49 CoCoALib Slug #1756: deg(f) is slow if f is long
- If the grading is positive and over ZZ^1 then we use the following general cut-off so that we do not need to scan the...
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20:29 CoCoALib Design #1606 (Feedback): Return type with const
- This was mostly done anyway. I changed some things in the involutive code (without really understanding it).
I ha... -
09:51 CoCoALib Design #1606: Return type with const
- John will investigate this, and hopefully close it.
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18:39 CoCoALib Feature #1797: Add a function CleanupGens making some easy cleaning on the generators?
- In principle we could make 2 such functions: one faster, and one more thorough.
But is it worth it? KISS?
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16:09 CoCoALib Feature #1797 (New): Add a function CleanupGens making some easy cleaning on the generators?
- In #1645#note-28 there is a list of easy checks one might want to do on a given set of polynomial generators.
See al... -
16:15 CoCoALib Bug #1789 (Closed): GradingMat with negative weights should complain (or deal with them properly!!)
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16:10 CoCoALib Design #1647: Suppress zero from ideal generators? Detect 1 and simplify generators?
- List in #1647-9
Anna Maria Bigatti wrote:
> Add a function @CleanupGens@ making some more easy checks?
Moved i... -
16:03 CoCoALib Design #1326 (Closed): Modify function myElim so that it returns ideal? (not quite)
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15:58 CoCoALib Feature #813 (Feedback): Implement "elim" in CoCoALib
- I activated a test (slightly simplified test7 in test-GOperation1.C).
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15:22 CoCoALib Feature #813: Implement "elim" in CoCoALib
- See #1326#note-10 for discussion about elim(I,X) vs elim(X,I).
Apart from this, we should only add some tests in CoC... -
13:54 CoCoALib Slug #1796 (New): myFinalizeGBasis ("Final clean up") should be more flexible
- We have noticed that sometimes (with SetVerbosityLevel(100)) the time spent in "Final clean up" is quite long.
The c... -
09:45 CoCoALib Support #1510: Documentation for SparsePolyOps?
- The SparsePolyOps files are quite focused on a specific topic.
Doc would be easier to maintain if kepts separately.
... -
09:35 CoCoALib Support #1510: Documentation for SparsePolyOps?
- See #1783-2 : one doc file for each topic/file
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09:23 CoCoALib Feature #1619: Make saturate available in CoCoALib
- Maybe different types:
* monomial
* principal
* univariate
* general
17 Mar 2024
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19:17 CoCoALib Bug #1662: txt2tags: problem with filenames containing "_" or "-"
- I have just tested with txt2tags v3 (commit bc7f2c43f1a59ea96f37c77b63c4b44fe51e1b08) and it works perfectly fine on ...
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10:53 CoCoALib Bug #1662: txt2tags: problem with filenames containing "_" or "-"
- We must also explain what the solution is in the documentation (and perhaps also error messages?).
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10:59 CoCoA-5 Bug #1795 (In Progress): Makefile problem: needlessly relinks CoCoAInterpreter
- I think I have corrected the error. Must do more checking.
16 Mar 2024
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23:46 CoCoALib Bug #1662: txt2tags: problem with filenames containing "_" or "-"
- Sorry, seems like I forgot to respond back then.
I am using the **latest** v2.7-dev.
It is important that it is the... -
21:28 CoCoALib Bug #1662: txt2tags: problem with filenames containing "_" or "-"
- Let's try to download the new txt2tags, and test it.
*Nico* which version should we obtain?
*Anna* how do we test i... -
21:55 CoCoALib Design #1511 (Closed): Use C++14 constexpr
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21:54 CoCoALib Bug #1749: Configuration hiccups on Mac M1
- Failed to verify on Anna's old intel MacBook: compiler gave an error about @ptrdiff_t@ in some system header (sigh)
... -
21:52 CoCoALib Feature #1770 (Closed): Evaluate polynomial function/class
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21:51 CoCoALib Feature #206: Matrix equation solving: LinKer
- Why such a long discussion and no resolution?
Can we finish this quickly? Or should we postpone?
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21:47 CoCoALib Feature #1619 (In Progress): Make saturate available in CoCoALib
- I have added @saturate@ to the relevant header file. And also a test for #1790.
Added some doc. Do we need tests? ... -
21:44 CoCoALib Bug #1641: gcd does not recognize univariate input
- This may well be length to resolve properly, but I really should look at it soon.
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21:42 CoCoALib Feature #1417: RadicalZeroDim with extra parameter for GBasis timeout
- I am currently unsure how useful it would be to let the caller choose a time-out in seconds.
It may be simpler to of... -
21:38 CoCoALib Design #894: strict enum types: C++11 extension
- I wonder whether it might not be better to wait until we switch to the C++20 standard, and so can use *@using ENUM@*....
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21:24 CoCoALib Slug #967: Improve saturate
- I have just tried the example from #note-5, and it took just less than 1s on my computer (with v0.99823).
I have inc... -
21:20 CoCoALib Design #1085 (Feedback): Fns with "OUT" args: should they give ERR::MixedRings?
- This seems to have been done already, at least mostly. So it has morally been in feedback for several month, at leas...
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14:11 CoCoA-5 Bug #1795: Makefile problem: needlessly relinks CoCoAInterpreter
- I vaguely recall Anna asking for an improvement to the @Makefile@ structure; I do not really recall why.
I also reca... -
14:07 CoCoA-5 Bug #1795 (Feedback): Makefile problem: needlessly relinks CoCoAInterpreter
- Assuming that @CoCoAInterpreter@ is already compiled (and up-to-date).
Running @make check@ in directory @src/CoCoA-... -
12:16 CoCoA-5 Bug #1794: Do not use random inside tests!!
- My @g++@ reports version info @gcc version 11.4.0 (Ubuntu 11.4.0-1ubuntu1~22.04)@
My clang reports version info @Ubu... -
12:13 CoCoA-5 Bug #1794 (Resolved): Do not use random inside tests!!
- We must avoid using @random@ inside tests. Relevant files are
* @demo-Osaka2015.cocoa5@
* @ErrMesg.cocoa5@
* @tes... -
11:11 CoCoALib Feature #1793 (In Progress): Use ErrorContext instead of string FnName
- While resolving issue #1726 I needed to call some arg-check functions specifying where in the source the arg-check wa...
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11:06 CoCoALib Feature #1793 (In Progress): Use ErrorContext instead of string FnName
- There is now a class *@ErrorContext@* and macro @CoCoA_ERROR_CONTEXT@ for recording:
* function name
* file name
*...
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