Project

General

Profile

Activity

From 09 Oct 2019 to 07 Nov 2019

07 Nov 2019

20:17 CoCoA-5 Feature #1358: Emacs UI: should active input line be cleared before sending line from CoCoA-5 file?
I noticed quite a lot of "almost duplication" in the *@cocoa5.el@* file. We should try to reduce that: more work for... John Abbott
18:37 CoCoA-5 Feature #1358 (In Progress): Emacs UI: should active input line be cleared before sending line from CoCoA-5 file?
I have a first version which seems to work: after *@(goto (point-max))@* I have inserted *@(move-beginning-of-line ni... John Abbott
17:43 CoCoA-5 Feature #1358: Emacs UI: should active input line be cleared before sending line from CoCoA-5 file?
I think it is probably a good idea to clear the last line (assuming this can be done reasonably easily in emacs).
...
John Abbott

05 Nov 2019

14:26 CoCoALib Design #982: Catching interrupts in example progs?
On my machine all examples are faster than 5s, but several took more than 2s.
I have made some (local) changes to ma...
John Abbott
11:49 CoCoALib Design #982 (In Progress): Catching interrupts in example progs?
There are two example progs for interrupts (*@ex-interrupt1.C@* and *@ex-interrupt2.C@*).
I am not sure that they ar...
John Abbott

04 Nov 2019

11:01 CoCoALib Feature #1360: configure script: add flags for "only cocoalib" or "both cocoalib and cocoa5" (for boost)
John Abbott wrote:
> Anna suggested *@--only-cocoalib@*
>
> JAA prefers that the default be "only cocoalib", and ...
Anna Maria Bigatti

01 Nov 2019

10:28 CoCoALib Feature #1360: configure script: add flags for "only cocoalib" or "both cocoalib and cocoa5" (for boost)
Anna suggested *@--only-cocoalib@*
JAA prefers that the default be "only cocoalib", and that an option must be giv...
John Abbott
10:22 CoCoALib Feature #1360 (Closed): configure script: add flags for "only cocoalib" or "both cocoalib and cocoa5" (for boost)
Considering adding configuration option(s) to specify:
* compile just cocoalib
* compile cocoalib and also also CoC...
John Abbott

31 Oct 2019

18:34 CoCoALib Support #1276: Release 0.99650
... Anna Maria Bigatti
16:24 CoCoALib Support #1276: Release 0.99650
Valgrind OK... Anna Maria Bigatti
15:55 CoCoALib Bug #1248 (Closed): MinPolyQuot: guaranteed and ideal without GBasis
Anna Maria Bigatti
11:17 ApCoCoA Feature #1328: New ApCoCoA UI
Next meeting is 2019-11-21 at 11:00.
AIM: *get interactive window and history mechanism working.*
John Abbott

30 Oct 2019

22:44 CoCoA-5 Slug #480: gcd too slow for large degree univariate poly
This slug still exists: on my current machine, top reports that CoCoA-5 is using 13Gbyte of memory. The computation ... John Abbott
22:39 CoCoALib Slug #952 (Closed): GCD very slow
It is no longer very slow; no sure how fast it is (seems to be instant).
Closing.
John Abbott
22:32 CoCoALib Bug #986: GFan: require version newer than 0.6
*2019-10-30* Update: I now have gfanlib-0.6.2 (released 2018-09-28 according to GFanlib website).
However it sti...
John Abbott
22:23 CoCoALib Slug #1359: gcd: low degree but big coeffs can be slow
If the number of steps in the PRS is very small then a direct method may well be better than the modular method.
T...
John Abbott
22:21 CoCoALib Slug #1359 (New): gcd: low degree but big coeffs can be slow
gcd of low degree polys with big coeffs can be too slow.... John Abbott
22:16 CoCoALib Bug #1113 (Closed): gcd crashes (Floating point exception)
*2019-10-30* I have just tried the example in comment 1, and it no longer crashes. No idea when it was resolved.
...
John Abbott
22:10 CoCoALib Feature #1218 (In Progress): 32-bit or 64-bit preprocessor macro?
Exactly what wordsize assumptions do we want to make?
* *(A)* 32-bits or not (meaning more than 32?)
* *(B)* 32-...
John Abbott
21:56 CoCoALib Feature #1218: 32-bit or 64-bit preprocessor macro?
*2019-10-30* I have just checked, and CoCoALib and CoCoA-5 both compile, run and all tests pass on my little 32-bit m... John Abbott
21:51 CoCoALib Feature #1219: Frobby version number
There was recent email from Bjarke Roune stating that he will no longer be able to maintain Frobby.
We should contac...
John Abbott
21:47 CoCoALib Feature #1282: subresultant
Note that there is already *@SubresultantSeq@* in @SparsePolyOps-resultant@.
Where did this impl come from? Is it a...
John Abbott
21:44 CoCoALib Slug #1324 (In Progress): Improve RootBound
Here is a family of examples where factorization may not work so well:
let @f@ be a product of @x^k-1@ where the @k@...
John Abbott
16:09 CoCoA-5 Feature #1358 (Closed): Emacs UI: should active input line be cleared before sending line from CoCoA-5 file?
When using the Emacs UI, possibly confusing problems can arise if the user has started to type some input in the exec... John Abbott
11:20 CoCoA-5 Support #1222: Release CoCoA-5.3.0
I have compiled CoCoA-5 (current CVS) on my little 32-bit netbook (with @readline@ but no other extlibs). Compilatio... John Abbott
11:08 CoCoALib Support #1276: Release 0.99650
FWIW I have compiled CoCoALib on my old "netbook" which is 32-bit. All tests passed.
John Abbott
11:06 ApCoCoA Design #1357: How to connect GUI to cocoa5 executable?
I wonder how this was achieved with CoCoA-4.
I do not believe that we implemented any special in CoCoA-4 to enable...
John Abbott
11:02 ApCoCoA Design #1357 (New): How to connect GUI to cocoa5 executable?
The GUI needs to start a separate process for CoCoA-5, and then be able to send inputs to CoCoA-5, and receive output... John Abbott

29 Oct 2019

19:44 CoCoALib Feature #1347 (Closed): New function: ctor of PPVector with vector<RingElem>
Documented (and modernized its doc file) Anna Maria Bigatti
16:21 CoCoALib Feature #1332 (Closed): New function: vector of RingElem from string -- in CoCoALib
documented in @RingElem.txt@ Anna Maria Bigatti
12:37 CoCoALib Feature #658: Indets actually in a poly (or vector or matrix)
Checked in @IndetsIn(vector<RingElem>)@
John Abbott
12:20 CoCoA-5 Bug #1356 (Closed): CoCoA-5 header files: should use a common prefix for CPP variables which enforce read-once
The usual trick to ensure that header files are read only once is to define a CPP variable the first time the header ... John Abbott
12:04 CoCoALib Design #1355 (New): TmpLDP uses srand and time
The code in *@TmpLDP.C@* uses old C functions *@time@* and *@srand@*.
Try to update the code to clean, modern C++.
John Abbott
12:00 CoCoALib Design #1295 (Closed): Never use "using namespace .." in header files
I must have done this some time ago; no doubt shortly after it was reported.
I have just removed some @using names...
John Abbott
11:30 ApCoCoA Feature #1354: ApCoCoA: separate window for manual
Here are some design details which must be sorted out before much can be implemented:
* which XML tags are used in t...
John Abbott
11:25 ApCoCoA Feature #1354 (New): ApCoCoA: separate window for manual
The ApCoCoA UI must offer a means of opening manual pages in a separate window.
The content of this window must be...
John Abbott
10:58 CoCoALib Support #1353: configure script help
I have another suggestion: add the flag *@--only-lib@* that does @--no-boost --no-readline@ and does not compile coc... Anna Maria Bigatti

28 Oct 2019

12:31 CoCoALib Support #1353: configure script help
Ahhh. I see your point.
For CoCoALib the option *@--no-boost@* does nothing (since CoCoALib does not use BOOST, I...
John Abbott
11:48 CoCoALib Support #1353: configure script help
I think that @--no-boost@ should be listed as a CoCoALib option, because it can compile without boost, instead of a C... Anna Maria Bigatti

27 Oct 2019

21:16 CoCoALib Support #1353 (In Progress): configure script help
I have just compiled CoCoALib with the option *@--no-boost@*, and everything worked fine (as I expected/hoped). Of c... John Abbott
21:13 CoCoALib Support #1353 (Closed): configure script help
Bruns recently asked (by email) if configuring CoCoALib with *@--no-boost@* will work OK.
I believe CoCoALib does ...
John Abbott
21:10 CoCoALib Slug #792 (In Progress): configure: search for libgmp too slow
I think this may already be almost done. Let's finish it soon! John Abbott
21:06 CoCoALib Support #976: configure: auxiliary scripts should be consistent about error messages
Let's finish this soon! Boosted priority, and brought target version forward.
I think it is almost done anyway... b...
John Abbott

26 Oct 2019

09:53 CoCoA-5 Bug #1325 (Closed): Emacs UI: emacs does not recognize "until" as marking the end of a "repeat" block
tried. works. closed. Anna Maria Bigatti
09:11 CoCoA-5 Bug #1325 (Feedback): Emacs UI: emacs does not recognize "until" as marking the end of a "repeat" block
I have made the changes which I think are right for having *@until@* recognized as an end-keyword.
I have tried to c...
John Abbott
08:47 CoCoA-5 Feature #673: Error message: I was expecting...
John Abbott wrote:
> Mind you, anyone who types in any of the above is just being a vandal (mmm, me too?)
Now cal...
Anna Maria Bigatti

25 Oct 2019

18:27 CoCoA-5 Design #1352: cocoa5 (launch) script: sleep time
Added sleep to ConfigEmacs mac and linux Anna Maria Bigatti
18:06 CoCoA-5 Design #1352: cocoa5 (launch) script: sleep time
updated accordingly the scripts in @release-files/@ Anna Maria Bigatti
16:17 CoCoA-5 Design #1352: cocoa5 (launch) script: sleep time
Good point! I think we should set the same timings in the installation script (for Mac it's called @ConfigEmacs@) Anna Maria Bigatti
14:07 CoCoA-5 Design #1352: cocoa5 (launch) script: sleep time
One could argue that this is relatively unimportant for normal users (_i.e._ those who download CoCoA-5) since they _... John Abbott
14:01 CoCoA-5 Design #1352 (In Progress): cocoa5 (launch) script: sleep time
A slightly previous version of the script would sleep for 1 sec, print error mesg, sleep for 1 sec, then exit.
An ...
John Abbott
13:39 CoCoA-5 Design #1352 (Closed): cocoa5 (launch) script: sleep time
The usual way to start CoCoA-5 is to run the script *@cocoa5@*.
This script runs some quick basic checks then call...
John Abbott
15:57 CoCoA-5 Bug #1325: Emacs UI: emacs does not recognize "until" as marking the end of a "repeat" block
I now see that in *@cocoa5.el@* there are two very similar constants: *@cocoa5-endkeywords-list@* and *@cocoa5-end-bl... John Abbott
15:39 CoCoA-5 Bug #1325 (Resolved): Emacs UI: emacs does not recognize "until" as marking the end of a "repeat" block
I think I may have solved this (without actually understanding what the emacs-lisp code does).
I have changed the ...
John Abbott
15:27 CoCoA-5 Bug #1325: Emacs UI: emacs does not recognize "until" as marking the end of a "repeat" block
Here is a test case:... John Abbott
15:12 CoCoA-5 Feature #673 (Feedback): Error message: I was expecting...
I have tried some more tests. Mostly it seems OK, but it is possible to confuse the parser:... John Abbott
13:34 CoCoA-5 Bug #1351: Clean up package points.cpkg
I was surprised by the following line in @points.cpkg5@... John Abbott
13:31 CoCoA-5 Bug #1351 (New): Clean up package points.cpkg
I noticed some old code in *@points.cpkg@* which does not work in CoCoA-5.
In any case, most functions in that pac...
John Abbott
13:28 CoCoA-5 Support #1350: CoCoA manual: entry for operators, shortcuts
I have added *@<=@* and *@>@* and *@>=@* to the list at the top of the page.
I also noticed that there appears to ...
John Abbott
13:26 CoCoA-5 Support #1350 (New): CoCoA manual: entry for operators, shortcuts
The first time I use the online manual in CoCoA-5, I always get a warning about the *@operators, shortcuts@* page bei... John Abbott
11:55 CoCoA-5 Feature #504: New operators: += -= *= /=
Here is a command for finding lines which contain commands like *@A := A + blah@* or some other operator -- it does f... John Abbott
11:46 CoCoA-5 Feature #504: New operators: += -= *= /=
One big advantage of rejecting the idea of introducing *@+=@* and friends is that there would be no need to fiddle ar... John Abbott

24 Oct 2019

23:11 CoCoA-5 Feature #673: Error message: I was expecting...
CVS-ed. Also CoCoA-5 tests pass :-)
John Abbott
23:00 CoCoA-5 Feature #673 (Resolved): Error message: I was expecting...
Not really sure how to do this cleanly, so I have "hacked" the class @Token@ in @Lexer.H@ (near line 243) by adding a... John Abbott
23:06 CoCoA-5 Support #530: Interpreter error message: "for" with missing "do"
Oh, that is strange.
I suppose the parser thinks that @10 x@ is more likely a typo for @10*x@, but that @10 3@ is pr...
John Abbott
15:38 CoCoALib Feature #1349: ideal ctor where given gens are a gbasis
Here is the background for my request.
I want to modify @MinPolyQuot@ so that it accepts "relatively zero-dim idea...
John Abbott
15:27 CoCoALib Feature #1349 (In Progress): ideal ctor where given gens are a gbasis
I would like to create a new ideal from a list which I know is a (reduced) GBasis.
How should I do this?
In fact,...
John Abbott
15:00 CoCoALib Feature #658: Indets actually in a poly (or vector or matrix)
I have just added (in @SparsePolyOps-RingElem.C@) an impl for @IndetsIn(const std::vector<RingElem>&)@.
The result i...
John Abbott
08:23 CoCoA-5 Design #1348 (Feedback): cocoa5 script for releases
I recovered the check on 32/64 bits for linux even though we no longer distribute 32-bit.
(but this way the user get...
Anna Maria Bigatti

23 Oct 2019

18:51 CoCoA-5 Design #1348: cocoa5 script for releases
I made a new release for mac and for linux on the webpage.
Anna Maria Bigatti
18:19 CoCoA-5 Design #1348 (Resolved): cocoa5 script for releases
Done, I believe.
Now testing comes.
Anna Maria Bigatti
14:48 CoCoA-5 Design #1348 (In Progress): cocoa5 script for releases
I have updated the release-* scripts for Linux, Mac and Microsoft.
CVS-ed.
John Abbott
14:43 CoCoA-5 Design #1348: cocoa5 script for releases
I have noticed that @cocoa5-linux@ still includes the trick for choosing between 32-bit and 64-bit executables. Isn'... John Abbott
14:35 CoCoA-5 Design #1348: cocoa5 script for releases
The bug the student had found had been fixed (ages ago?) in our "private" version of @cocoa5@, but the change was nev... John Abbott
14:34 CoCoA-5 Design #1348 (Closed): cocoa5 script for releases
A student today reported a problem with CoCoA-5 on her Mac: we released a "bad" version of the @cocoa5@ start-up scri... John Abbott

22 Oct 2019

11:10 CoCoA-5 Slug #1284 (Closed): CartesianProductList: too slow
Anna Maria Bigatti
11:04 CoCoA-5 Bug #1288 (Closed): len for RINGELEM ?!?
Anna Maria Bigatti

21 Oct 2019

23:00 CoCoA-5 Slug #1270 (In Progress): RationalSolve: use MinPolyQuot instead of elim
Here is an example which shows that @RationalSolve@ can be unreasonably slow:... John Abbott
18:50 CoCoALib Feature #1347 (Feedback): New function: ctor of PPVector with vector<RingElem>
Done, tested, cvs-ed.
To do: documentation.
Anna Maria Bigatti
18:49 CoCoALib Feature #1347 (Closed): New function: ctor of PPVector with vector<RingElem>
While updating the code for monomial ideals using the new range-based for loop I realized how many times I need to in... Anna Maria Bigatti
18:45 CoCoALib Design #1346 (In Progress): C++14: use the new for loop syntax where appropriate (like cocoa's foreach)
Anna Maria Bigatti
18:44 CoCoALib Design #1346: C++14: use the new for loop syntax where appropriate (like cocoa's foreach)
used massively for monomial ideals.
Tested.
cvs-ed.
Anna Maria Bigatti
12:27 CoCoALib Design #1346: C++14: use the new for loop syntax where appropriate (like cocoa's foreach)
We should maintain a list of files to change and/or a list of files already changed.
* @SparsePolyOps-ideal-monomial...
John Abbott
12:26 CoCoALib Design #1346 (In Progress): C++14: use the new for loop syntax where appropriate (like cocoa's foreach)
Since C++11 there is a new "range-based" *@for@* loop.
Employ it where appropriate in CoCoALib.
John Abbott
12:29 CoCoALib Design #1242: C++14: Use type auto where appropriate
I have created a new issue (#1346) about using the new *@for@* loop syntax; please put relevant progress reports ther... John Abbott
12:06 CoCoALib Design #1242: C++14: Use type auto where appropriate
John Abbott wrote:
> * use *@auto@* instead of the explicit type for C++ iterators (usu. the explicit type is "unrea...
Anna Maria Bigatti

19 Oct 2019

20:28 CoCoALib Bug #1345: Problem with linking the library
John Abbott wrote:
> If you were running your tests from a @cocoa5@ session, then you should also check with @ls -l@...
Anna Maria Bigatti
19:43 CoCoALib Bug #1345: Problem with linking the library
Very strange. I think I may have seen a similar phenomenon occasionally, but @make clean; make@ always seemed to fix... John Abbott
17:14 CoCoALib Bug #1345 (Closed): Problem with linking the library
My mistake?
I tried again, and I cannot longe reproduce it.
It is linked correctly.
Anna Maria Bigatti
11:43 CoCoALib Bug #1345 (Closed): Problem with linking the library
I was testing a change made in @SparsePolyOps-ideal-monomial.C@, and, though it did recompile the file, the new code ... Anna Maria Bigatti

18 Oct 2019

17:04 CoCoALib Design #1242 (In Progress): C++14: Use type auto where appropriate
Anna Maria Bigatti
11:23 CoCoALib Design #1242: C++14: Use type auto where appropriate
It may be helpful to keep a list of source files which have been "done" (this may also include that the file was look... John Abbott
11:19 CoCoALib Design #1242: C++14: Use type auto where appropriate
I must re-read the relevant parts of Meyers's book (Eff. Modern C++). Where should we use *@auto@*?
* use *@auto@* ...
John Abbott
16:16 CoCoALib Feature #1332 (Feedback): New function: vector of RingElem from string -- in CoCoALib
done, documented, tested Anna Maria Bigatti

17 Oct 2019

23:27 CoCoALib Support #1263: Tidy CoCoALib test directory
I have merged several tests in the series @test-NumTheory@ and @test-SparsePolyRing@ into fewer files.
I have prefer...
John Abbott
23:23 CoCoALib Feature #1297 (Closed): New fn: FixedDivisor (formerly IntrinsicContent)
I have added a test (and also reorganized several of the existing tests).
Closing.
John Abbott
17:45 CoCoALib Feature #1332: New function: vector of RingElem from string -- in CoCoALib
OK for the name *@RingElems@* it is a bit like *@symbols@*
(I do not really like it that much, but cannot think of ...
John Abbott
17:43 CoCoA-5 Support #1344 (Rejected): Clean out OBSOLESCENT
Some obsolescent functions have been so for a long time.
Clean out some of the oldest ones (for 5.3.0).
John Abbott
15:24 CoCoA-5 Design #1075: LaTeX package: power-product printing
John Abbott wrote:
> Perhaps the criterion in comment 3 should consider only those indets which actually appear in t...
Anna Maria Bigatti

16 Oct 2019

22:30 CoCoA-5 Bug #946: Function "ideal" evaluates the argument twice
I have just run the test given in comment 2; now only the first one evals its arg twice.
Is this easy to fix?
Mov...
John Abbott
22:23 CoCoA-5 Design #474: Eliminate package BinRepr
This issue has been lingering for years. Now it is marked as *urgent* (so moving it back to target 5.3.0).
*Anna* n...
John Abbott
22:15 CoCoA-5 Bug #1288 (Feedback): len for RINGELEM ?!?
The CoCoA-5 manual page has already been fixed.
I have just modified @BuiltinFunction-CoCoALib.C@ so that an error...
John Abbott
22:04 CoCoA-5 Design #1075: LaTeX package: power-product printing
I have just tried a quick test: it is a bit surprising that the resulting strings are different... John Abbott
21:56 CoCoA-5 Slug #1284 (Feedback): CartesianProductList: too slow
Apparently I checked this in some time ago -- I suppose not long after the previous comment (5 months ago).
Maybe ...
John Abbott
15:10 ApCoCoA Feature #1343 (New): ApCoCoA projects
ApCoCoA input files are organized into "projects"; a project is just a directory.
There should be a small window f...
John Abbott
15:08 ApCoCoA Feature #1342 (New): Input tabbed windows associated to files
In addition to teh interactive input window, it is possible to have other "tabbed windows" each associated to a (dist... John Abbott
15:02 ApCoCoA Bug #1341 (Closed): Test: redmine problem
The solution appeared to be that Klaus had to log out and log in again. Then all issues were visible to him.
John Abbott
15:00 ApCoCoA Bug #1341 (Closed): Test: redmine problem
Redmine does not show 1340 when Klaus asks for a list of issues inside ApCoCoA project.
John Abbott
14:58 ApCoCoA Feature #1328: New ApCoCoA UI
*2019-10-16 Current state*
Klaus summarises the current state as follows:
* early prototype
* JAA confirms that ...
John Abbott
14:45 ApCoCoA Design #1340: Interactive window and history mechanism
There is a *single* interactive window.
*Q:* Martin can you confirm this?
The user types input into a blank "new ...
John Abbott
14:39 ApCoCoA Design #1340 (New): Interactive window and history mechanism
Issue to summarise design of "interactive window" and its history mechanism.
Also to report progress on implementati...
John Abbott
14:04 CoCoALib Feature #1339: All PPs of given wdeg
There used to be a function like this is CoCoA-4, I think.
What was it called? What was its interface?
John Abbott
14:03 CoCoALib Feature #1339 (New): All PPs of given wdeg
Bernhard Andraschko wants a function which produces a list of all PPs with given wdeg (actually stddeg in his case).
...
John Abbott

15 Oct 2019

17:52 CoCoALib Feature #1330 (Closed): New syntax for NewQuotientRing
Anna Maria Bigatti
17:48 CoCoALib Feature #1329 (Closed): New syntax for creating homomorphisms (PolyAlgebraHom)
Anna Maria Bigatti
17:33 CoCoALib Design #1336 (Closed): Rename SparsePolyOps-MonomialIdeal into SparsePolyOps-IdealMonomial?
Anna Maria Bigatti
15:33 CoCoALib Feature #1332: New function: vector of RingElem from string -- in CoCoALib
I like the name *@RingElems(R, str)@* because it recalls the constructor @RingElem(R, str)@.
The name I suggested ...
Anna Maria Bigatti
15:29 CoCoALib Feature #1251 (Closed): New function: radical for monomial ideal
Anna Maria Bigatti
14:09 CoCoALib Design #1257 (Closed): C++14: use nullptr
All tests pass, examples too. Even with debugging active.
Checked-in.
Closing. It is not worth devoting any more ...
John Abbott
13:55 CoCoALib Support #1338: Release CoCoALib-0.99700
_Add to this list as we do things (or remember things we have already done)_
List of principal changes made:
Bu...
Anna Maria Bigatti
13:49 CoCoALib Support #1338 (Closed): Release CoCoALib-0.99700
Everything related to making a CoCoALib release:

* Redmine Roadmap: close or postpone issue
* Redmine Release...
Anna Maria Bigatti
13:47 CoCoALib Support #1276 (In Progress): Release 0.99650
Anna Maria Bigatti
11:49 CoCoA-5 Slug #948: radical is slow (compared to singular) on these examples
John Abbott wrote:
> My simple idea was just to add say 0.1 to the actual measured time: if minpoly is fast,
> this...
Anna Maria Bigatti
11:41 CoCoALib Slug #1337 (In Progress): PrimaryDecomposition: a interesting/pathological example
This example is very very slow because a factor of @MinPolyQuot(t,I,t)@ produces an ideal with a very slow GBasis.
<...
Anna Maria Bigatti

14 Oct 2019

22:37 CoCoALib Design #1336 (In Progress): Rename SparsePolyOps-MonomialIdeal into SparsePolyOps-IdealMonomial?
I agree it would be nice to have them all start the second part of the name with @Ideal@ (or maybe @ideal@?)
Mayb...
John Abbott
22:22 CoCoALib Design #1336 (Closed): Rename SparsePolyOps-MonomialIdeal into SparsePolyOps-IdealMonomial?
We have these files:
SparsePolyOps-ideal.C,
SparsePolyOps-IdealOfPoints.C,
SparsePolyOps-IdealZeroDim.C
so, s...
Anna Maria Bigatti
22:29 CoCoA-5 Slug #948: radical is slow (compared to singular) on these examples
I have just tried modifying the code, but *it does not work as expected.*
In @SparsePolyOps-Ideal0Dim.C@ around l...
John Abbott
22:01 CoCoA-5 Slug #948: radical is slow (compared to singular) on these examples
We have another funny problem: @MinPoly@ is too fast ;-)
The timeout for @GBasis@ depends only on the time spent in ...
Anna Maria Bigatti
19:31 CoCoALib Design #1257: C++14: use nullptr
Ha ha! I did not change "nearly" all 0s into @nullptr@ that need to be changed.
I've just changed many more... it i...
John Abbott
17:32 CoCoA-5 Bug #1230 (In Progress): PrimaryDecomposition with lex ordering
Not quite :-/
there is still something dodgy:...
Anna Maria Bigatti
17:03 CoCoA-5 Support #406: Manual for CoCoAManual/CoCoAHelp.xml
John Abbott wrote:
> Should we postpone this issue to the release after 5.3.0?
I think we should aim at 5.3.0.
I...
Anna Maria Bigatti
15:17 CoCoALib Support #1039 (Closed): Rename iroot?
This has apparently all been done (incl. doc, tests, CVS).
No complaints, so closing.
John Abbott
15:15 CoCoALib Design #1259 (Closed): ThreadsafeCounter is now obsolete?
Well, I am now sync'd with CVS, so presumably this also works fine for Anna.
Apparently I have deleted the source fi...
John Abbott
15:10 CoCoALib Feature #1301 (Closed): New function primorial
I am inclined not to put in any tests since CoCoALib merely delegates all the work to GMP.
Also, as the function is ...
John Abbott
15:01 CoCoALib Bug #1310 (Closed): RealRoots: gives odd number of roots for deg 6 irred poly
John Abbott

11 Oct 2019

22:18 CoCoA-5 Support #1311 (In Progress): THINGS TO DO IN GENOVA September 2019
John Abbott
22:16 CoCoA-5 Support #406: Manual for CoCoAManual/CoCoAHelp.xml
Should we postpone this issue to the release after 5.3.0?
John Abbott
22:14 CoCoA-5 Support #1222: Release CoCoA-5.3.0
I have revised the title since we changed the planned version number ;-) John Abbott
22:12 CoCoA-5 Bug #1335: ManExamples: some problems
Running the example on the man page for @StandardInput@ is definitely a problem. I do not know how to fix this (othe... John Abbott
22:06 CoCoA-5 Feature #1236: Add "socket" devices
It would be good to close this soon.
We should test it on the 3 usual platforms: GNU/Linux seems OK to me, Mac? M...
John Abbott
22:03 CoCoA-5 Bug #1230 (Resolved): PrimaryDecomposition with lex ordering
I think this has already been done. Changed status to "resolved". John Abbott
22:02 CoCoA-5 Bug #1274 (Closed): SortBy and SortedBy sometimes give wrong result
This was actually fixed some time ago; I just forgot to tell redmine.
John Abbott
21:54 CoCoA-5 Design #1334: sylvester or SylvesterMat?
I have renamed @jacobian@ to @JacobianMat@; @jacobian@ is now in obsolescent (both for CoCoA-5 and CoCoALib).
John Abbott
18:01 CoCoA-5 Design #1334: sylvester or SylvesterMat?
John Abbott wrote:
> Not really related: there is a function *@jacobian@* which returns the jacobian matrix. Should...
Anna Maria Bigatti
15:03 CoCoA-5 Design #1334 (Resolved): sylvester or SylvesterMat?
I have changed the CoCoA-5 manual to use the new name. There was no need to change any tests.
Also added @Sylvest...
John Abbott
12:06 CoCoA-5 Design #1334: sylvester or SylvesterMat?
Not really related: there is a function *@jacobian@* which returns the jacobian matrix. Should it be called *@Jacobi... John Abbott
12:01 CoCoA-5 Design #1334: sylvester or SylvesterMat?
What should @SylvesterMat@ do if one of the args is 0?
An error must be signalled, but how?
Currently the error is ...
John Abbott
11:57 CoCoA-5 Design #1334: sylvester or SylvesterMat?
I have now made the impl in C++; more or less a straight copy of the CoCoA-5 code.
It seems to work (on 2 simple e...
John Abbott
15:18 ApCoCoA Feature #1328: New ApCoCoA UI
Here are the main features of the UI which Martin wants to preserve:
* allow cut-and-paste of arbitrarily large text...
John Abbott

10 Oct 2019

19:26 CoCoA-5 Design #1164 (Closed): Manual: loading manual entries written by users
Anna Maria Bigatti
19:20 CoCoALib Slug #1105 (Closed): Primary Decompositon (zero-dim) slow cases
Anna Maria Bigatti
18:41 CoCoALib Feature #1329 (Feedback): New syntax for creating homomorphisms (PolyAlgebraHom)
Anna Maria Bigatti
09:49 CoCoALib Feature #1329 (Resolved): New syntax for creating homomorphisms (PolyAlgebraHom)
Anna Maria Bigatti
18:41 CoCoA-5 Design #1327 (Feedback): Inconvenient PolyRingHom, PolyAlgebraHom
Anna Maria Bigatti
09:42 CoCoA-5 Design #1327 (Resolved): Inconvenient PolyRingHom, PolyAlgebraHom
The power of the new string syntax: can be defined in one line, and the strings are evaluated in the appropriate ring... Anna Maria Bigatti
18:40 CoCoALib Feature #1330 (Feedback): New syntax for NewQuotientRing
Anna Maria Bigatti
09:55 CoCoALib Feature #1330: New syntax for NewQuotientRing
reminder: write doc for cocoalib Anna Maria Bigatti
18:24 CoCoA-5 Support #1024 (Closed): CoCoA Manual: consistent spacing in VarName: TYPE
John Abbott wrote:
> To see an example of inconsistency, just type *@?:@* into CoCoA. This gives the page for infix...
Anna Maria Bigatti
17:37 CoCoA-5 Design #168 (Closed): Type info in CoCoA-5 manual
Anna Maria Bigatti
17:35 CoCoA-5 Bug #1261 (Closed): ASCII function
Still no reaction. Anyway, there is a test in @exbugs.cocoa5@. So we can close.
John Abbott
17:27 CoCoA-5 Feature #1243: New function: Read a string into a list (of RingElem) -- CoCoA-5
One "advantage" of @BlaBlaVector@ and @BlaBlaList@ is that it help reminds the programmer that indices in the first c... John Abbott
14:54 CoCoA-5 Feature #1243 (Resolved): New function: Read a string into a list (of RingElem) -- CoCoA-5
what about @RingElems(ring, string)@?
Similar to @RingElem(ring, string)@... or too similar?
One thing I do not l...
Anna Maria Bigatti
09:57 CoCoA-5 Feature #1243: New function: Read a string into a list (of RingElem) -- CoCoA-5
reminder: choose name and write doc for cocoa-5 Anna Maria Bigatti
08:41 CoCoA-5 Feature #1243: New function: Read a string into a list (of RingElem) -- CoCoA-5
For the moment called (also in CoCoA) @ReadExprVector(ring, string)@.
Example @ReadExprVector(R, "x-1, y^3-2, x*z")@...
Anna Maria Bigatti
17:27 CoCoA-5 Design #1334: sylvester or SylvesterMat?
John Abbott wrote:
> This fn should be in CoCoALib!
> Move it there and change its name; and put @sylvester@ into o...
Anna Maria Bigatti
16:10 CoCoA-5 Design #1334: sylvester or SylvesterMat?
This fn should be in CoCoALib!
Move it there and change its name; and put @sylvester@ into obsolescent. Change the ...
John Abbott
15:53 CoCoA-5 Design #1334 (In Progress): sylvester or SylvesterMat?
I vote for @SylvesterMat@ Anna Maria Bigatti
17:21 CoCoA-5 Support #1333: Typevectors
Here are some questions:
* roughly how long might it take to resurrect it?
* could it be easily translated into C++...
John Abbott
17:12 CoCoA-5 Support #1333: Typevectors
yes, fixed.
I wonder if I should resurrect this package...
Anna Maria Bigatti
16:04 CoCoA-5 Bug #1335: ManExamples: some problems
John Abbott wrote:
> I now see that the errors reported in the examples about hyperplane arrangements are intentiona...
Anna Maria Bigatti
09:57 CoCoALib Feature #1332: New function: vector of RingElem from string -- in CoCoALib
reminder: write doc for cocoalib Anna Maria Bigatti
09:56 CoCoALib Feature #1332: New function: vector of RingElem from string -- in CoCoALib
reminder: write doc for cocoalib Anna Maria Bigatti
09:33 CoCoALib Feature #1332 (Resolved): New function: vector of RingElem from string -- in CoCoALib
Anna Maria Bigatti
08:36 CoCoALib Slug #1238: ReadExpr is too slow on long lists of monomial with many indets: ---> use RingElems instead
Dramatic improvement using the new function @ReadExprVector@ in @ex-MVT-Simplicial.C@. (because the new function cre... Anna Maria Bigatti
08:33 CoCoALib Slug #1238: ReadExpr is too slow on long lists of monomial with many indets: ---> use RingElems instead
John Abbott wrote:
> 2019-09-23 This is still very slow. Here is a specific test case:
> [...]
New function @R...
Anna Maria Bigatti

09 Oct 2019

21:45 CoCoALib Slug #1238: ReadExpr is too slow on long lists of monomial with many indets: ---> use RingElems instead
I have run an example (in a ring with 4999 indets) with the profiler (it was rather slower than I expected).
The t...
John Abbott
20:32 CoCoALib Slug #1238: ReadExpr is too slow on long lists of monomial with many indets: ---> use RingElems instead
I have just tried the example from comment 4, but in a ring with 9999 indets (instead of just 999). The time increas... John Abbott
20:41 CoCoA-5 Bug #1335: ManExamples: some problems
I now see that the errors reported in the examples about hyperplane arrangements are intentional; _i.e._ the example ... John Abbott
14:44 CoCoA-5 Bug #1335 (In Progress): ManExamples: some problems
Here is a quick summary of the problems with MaxExamples@ (after I have already fixed a few)
*NOTE*: I do not have ...
John Abbott
14:38 CoCoA-5 Bug #1335 (Closed): ManExamples: some problems
I have just run @make ManExamples@, and there are some problems.
Fix them.
John Abbott
20:29 CoCoA-5 Support #677: Credits to CoCoA-5 contributors
A simple approach would be to have either a manual page about contributors, or a function which prints out some infor... John Abbott
20:26 CoCoALib Design #1309 (Closed): SmoothFactor: allow limit = 1?
John Abbott
19:36 ApCoCoA Feature #1328: New ApCoCoA UI
Next meeting with Nguetsa: Wed 16th Oct, at 14:00.
Intro to redmine; plan for next 2 weeks. New version of cocoa5....
John Abbott
19:33 ApCoCoA Feature #1328: New ApCoCoA UI
What characteristics of the new UI must be tested?
Here is a list: probably each entry here will correspond to a n...
John Abbott
18:22 CoCoALib Feature #1330 (Resolved): New syntax for NewQuotientRing
Now also for non principal ideals... Anna Maria Bigatti
17:53 CoCoALib Feature #1332: New function: vector of RingElem from string -- in CoCoALib
Done:
I think I've done it. ... after lots of tedious little mistakes!
Called @ReadExprVector(ring, string)@ in ...
Anna Maria Bigatti
17:48 CoCoA-5 Feature #1243: New function: Read a string into a list (of RingElem) -- CoCoA-5
I think I've done it. ... after lots of tedious little mistakes!
Called @ReadExprVector(ring, string)@ in @RingEl...
Anna Maria Bigatti
 

Also available in: Atom