Activity
From 11 May 2012 to 09 Jun 2012
08 Jun 2012
- 22:16 CoCoALib Feature #174: IsStdGraded: add for PPOrdering, PPMonoid, (Sparse)PolyRing..
- Should modules also have an @IsStdGraded@?
*Note* we have already used the abbrev @std@ for standard (_e.g._ *@StdDe... - 22:11 CoCoA-5 Bug #118: unistd and call to access in Main.C
- I have improved the warning message when the default package directory is not accessible (for text UI, and GUI).
T... - 19:30 CoCoA-5 Bug #182 (Closed): Unescaped double quote inside superstring
- The parser goes into a strange state if an unescaped double quote character is found inside a superstring. It correc...
- 19:09 CoCoALib Support #26: Redmine Administration
- JAA is not keen on such automatic methods. We should try harder to be diligent about updating the percentages. If w...
- 17:59 CoCoALib Support #26 (In Progress): Redmine Administration
- If I understend well (but I think it is dangerous to test it) that we can have percentege set automatically based on ...
- 19:03 CoCoA-5 Feature #19: How to get the version number of CoCoA-5?
- Anna Maria Bigatti wrote:
> * disadvantages: I think the version number should be in the executable
> * advantage... - 18:28 CoCoA-5 Feature #19 (In Progress): How to get the version number of CoCoA-5?
- Something we had talked about:
cocoa-4 used to load the file *init.coc*.
I've found a _tappullo_: call this file *... - 17:23 CoCoA-5 Bug #159 (Closed): Multiplicity sometimes wrong
- 17:20 CoCoA-5 Bug #162 (Closed): RegularityIndex <= 0
- 17:11 CoCoA-5 Support #179: TeX documentation for CoCoA-5
- * revived the old code and removed (for the moment) the inclusion of the horribly obsolete chapters/sections/tutorial...
- 17:05 CoCoA-5 Support #176: CoCoAManual: Doc for new commands
- added *apply*, *wdeg*, *PolyAlgebraHom*
removed *WeightsList* - 08:41 CoCoA-5 Support #181 (New): Functions throwing error even though (trivially) defined
- we should make a catalogue of cases where we choose (for safety of the user) to throw an error even though there is a...
07 Jun 2012
- 23:37 CoCoA-5 Feature #173: Anonymous symbols: should they be available in CoCoA-5?
- Here are a couple of suggestions which do not require manipulating @symbol@ directly. If these two fns cover almost ...
- 23:25 CoCoA-5 Support #176: CoCoAManual: Doc for new commands
- Can I set the assignee to Anna Bigatti? :-)
Well, anyone so long as it is not me :-) - 19:41 CoCoA-5 Support #176: CoCoAManual: Doc for new commands
- Added manual for *NewPolyRing*, *GradingDim*, *RealoadMan* (not yet cvs-ed)
- 23:22 CoCoA-5 Bug #118: unistd and call to access in Main.C
- Anna's point about almost everything (eventually) being built-in is valid; I was forgetting that. Also my "note" in ...
- 23:11 CoCoALib Feature #180 (Closed): GlobalManager: registration of global variables
- Add a feature to *@GlobalManager@* which mimics the Unix fn *@atexit@*.
This allows users to register pseudo-dtors... - 22:57 CoCoALib Bug #178: IsHomog: should it throw an error when there is no grading?
- Yes, I think throwing an error is best(=safest) in this case. Same applies to any other "homog" function.
*2013-02-1... - 17:17 CoCoALib Bug #178 (Closed): IsHomog: should it throw an error when there is no grading?
- Here is a piece of code from CoCoA-5...
- 20:01 CoCoA-5 Support #179 (Closed): TeX documentation for CoCoA-5
- Make makefile target for *texdoc*.
Check that it is created nicely (quotes, dollars, ...)
- 18:48 CoCoA-5 Bug #162 (Resolved): RegularityIndex <= 0
- 18:31 CoCoA-5 Feature #128 (Closed): wordlist.txt generation
- In adding the target to the makefile I cleaned up the manual related targets.
I'm not sure if I did it 100% right (i...
02 Jun 2012
- 23:21 CoCoA-5 Bug #118: unistd and call to access in Main.C
- John Abbott wrote:
> Waiting for Anna's return to discuss the correctness/usefulness of allowing CoCoA-5 to run if t... - 22:54 CoCoA-5 Bug #117: Added 3 times defn of isblank fn
- John Abbott wrote:
> Maybe put @IsBlank@ into a file called *@C5utils@*?
> What do you think? Perhaps a few other fn...
01 Jun 2012
- 23:44 CoCoA-5 Bug #117: Added 3 times defn of isblank fn
- Maybe put @IsBlank@ into a file called *@C5utils@*?
What do you think? Perhaps a few other fns could be moved there... - 23:42 CoCoA-5 Bug #118: unistd and call to access in Main.C
- Anna could you reply to my question in post 5?
I think it should be an error to start CoCoA without the packages. ... - 23:33 CoCoA-5 Bug #148: C-c C-p in emacs goes to wrong line
- NOTE the fn is called *@pop-to-buffer-cocoa5-source-find-error@*.
And also *@pop-to-buffer-cocoa5-source-find-X@*
... - 23:18 CoCoA-5 Bug #171: Negate LIST, MAT,...
- If *@N*X@* is valid (for @N@ integer, and @X@ of some type) then it makes perfect sense that @-X@ should be equivalen...
- 18:35 Bug #53 (Closed): MSVC10 compilation
- 18:09 CoCoA-5 Support #177 (In Progress): CoCoAManual: General part of the documentation is obsolete: update? discard?
- A decision should be made about the general part of the documentation.
Probably we should reduce it considerably, ... - 18:05 CoCoA-5 Support #176 (Closed): CoCoAManual: Doc for new commands
- CoCoA-5 already offers a big collection of new functions and commands
(mainly listed in http://cocoa.dima.unige.it/c... - 17:59 CoCoA-5 Bug #27 (Closed): CoCoA-5 Manual
- I close this issue related with Elisa Fascio's work about reading and fixing all the "command" entries.
Still to d... - 17:47 CoCoA-5 Feature #175 (In Progress): Approximate BuchbergerMoeller: port to CoCoA-5
- It was available in CoCoA-4 through CoCoAServer.
What syntax should it offer? Probably the same as CoCoA-4.
- 17:43 CoCoALib Feature #174 (New): IsStdGraded: add for PPOrdering, PPMonoid, (Sparse)PolyRing..
- Which types should offer *@IsStdGraded@*?
Port it also to CoCoA-5 - 17:41 CoCoA-5 Feature #173 (Rejected): Anonymous symbols: should they be available in CoCoA-5?
- Latest addition in CoCoALib could also be useful in CoCoA-5...
but since @symbol@ is not a type in CoCoA-5 that coul... - 17:36 CoCoA-5 Feature #172 (Closed): add customization for --fullCoCoALibError in EmacsUI
- --fullCoCoALibError is a flag for CoCoAInterpreter.
When active any error gives the full description for CoCoALib de...
31 May 2012
- 18:58 CoCoA-5 Bug #159: Multiplicity sometimes wrong
- Add also Dim&Mult for non-standard degree (or no degree, such as with @Lex@)
They are defined independently of the gr... - 18:01 CoCoA-5 Bug #171 (New): Negate LIST, MAT,...
- Negation ("-") is undefined for X, a list or matrix (and what else???)
However (-1)*X is allowed.
Should we defin... - 17:39 CoCoALib Feature #167 (Closed): Integer operations
30 May 2012
- 18:02 CoCoALib Support #75: Documentation review by Caleo
- Alessandra has looked at the doc and examples for:
* @PPMonoid@ -- approved by Alessandra!
* @symbol@ -- approved b... - 16:40 CoCoA-5 Bug #158 (Closed): May AsRAT produce an INT?
- Done everything.
- 16:14 CoCoA-5 Bug #163 (Closed): RealRootsApprox bombs
- I've contined to use *@RealRootsApprox@* intensively, and no further problems have come to light. So I'm closing thi...
- 16:08 CoCoA-5 Feature #7: Automatic mapping between (some) rings
- It would be handy to have a similar shortcut for homogeneous lists.
Also for ideals, but that raises the same questi... - 13:09 CoCoA-5 Feature #7: Automatic mapping between (some) rings
- Proposal for new "constructors": @R@ ring, @A@ matrix, @x@ ringelem (or powerproduct or ...), ... and what else?
*@M... - 13:40 CoCoALib Bug #63 (Closed): Add links to examples in documentation
29 May 2012
- 18:45 CoCoALib Feature #153 (Closed): Shorter simpler names for some bool3 values and functions
- I've written a simple example -- I hope Alessandra Caleo likes it!
- 10:07 CoCoALib Feature #153 (Resolved): Shorter simpler names for some bool3 values and functions
- Implemented the last suggestion, that way we can try it. Remember that *@bool3@* may eventually be replaced by *@tri...
- 16:16 CoCoALib Feature #157 (Closed): Separate ThreadsafeCounter from symbol.C
- Separated *@ThreadsafeCounter@*; written documentation.
Used @ThreadsafeCounter@ inside @NewRingID@ in @ring.C@.
Al...
28 May 2012
- 17:10 CoCoALib Feature #153: Shorter simpler names for some bool3 values and functions
- Proposal for shorter names: *@IsTrue3@* and *@IsFalse3@* and *@IsUncertain3@*
Propose replacing @DefinitelyTrue@, ... - 16:25 CoCoALib Feature #157: Separate ThreadsafeCounter from symbol.C
- JAA is not sure how to test the threadsafe counter since we don't know how to compile and run multithreaded programs....
- 16:20 CoCoALib Bug #22: Rename PPMonoidEvZZ?
- A "very small exp" version may be slightly faster because more PPs fit in the cache, but I doubt the slight gain woul...
- 16:13 CoCoALib Feature #156 (Closed): Brand new symbol(s)
- I've cleaned the code, and updated the documentation.
Note: Task #157 will make a further change to this one.
A... - 15:54 CoCoALib Feature #40: Squarefree factorization - Alessio d'Ali`
- Alessio has written a prototype test program; he will improve it.
He has added some detail to the report.
- 14:11 CoCoALib Support #160 (Closed): Cleanup doc for rings
- 11:57 CoCoA-5 Bug #110 (Closed): Surprise return type for GCD of a list of ints
- Implemented *@IsTrueGCDDomain@*; the main cost was sorting out the consequential changes. Eliminated @ERR::NotGCDDom...
- 11:31 CoCoALib Feature #167: Integer operations
- I've moved (into *@IntOperations@*) and reorganized all the integer functions. There were lots of consequential chan...
25 May 2012
- 15:13 CoCoA-5 Bug #170 (Closed): CoCoAManual HTML: page for "Try"
- I was not able to find the manual page for *@Try@* using the HTML version of the CoCoA-5 manual. I clicked on the "s...
- 14:42 CoCoALib Feature #167: Integer operations
- Problem originally arose in CoCoA-5, but the solution lies in changes to CoCoALib.
- 14:41 CoCoALib Feature #167 (In Progress): Integer operations
- The hard part will be all the consequential changes.
- 14:23 CoCoA-5 Support #169 (Closed): Font for parameters in manual
- Often the description in the CoCoA manual refers to the formal parameters by name.
Should these names be put in a sp... - 14:20 CoCoA-5 Design #168 (Closed): Type info in CoCoA-5 manual
- The manual entries in CoCoAHelp.xml include a collection of the types involved.
What convention should be used for t... - 14:17 CoCoA-5 Feature #131 (Closed): Conversion from bool to INT
- Implemented *@Bool01@* in the package @NotBuiltin.cpkg5@.
The fn *@Error@* (with capital @E@) is now built-in rather... - 11:41 CoCoA-5 Feature #131 (In Progress): Conversion from bool to INT
- After speaking to Anna about the various possibilities, she convinced me that the simplest approach is best (at least...
24 May 2012
- 19:10 CoCoA-5 Bug #137 (Closed): JAA does not like the name IndetInd
- 16:19 CoCoALib Feature #167 (Closed): Integer operations
- While adding *@IsDivisible@* for integers, it was not clear where to put the declarations and definitions. So far th...
23 May 2012
- 09:53 CoCoA-5 Bug #166 (Closed): Dim/Multiplicity with Lex ordering -- NYI
- ...
22 May 2012
- 12:06 CoCoALib Feature #165: FractionField -- only of TrueGCDDomain?
- I've just looked at the code for @FractionFieldImpl@. I must make a separate impl for arithmetic if GCD is not avai...
21 May 2012
- 17:27 CoCoA-5 Bug #137: JAA does not like the name IndetInd
- JAA talked to Anna. She liked @subscript@ and will implement.
- 17:11 CoCoALib Feature #165 (In Progress): FractionField -- only of TrueGCDDomain?
- After speaking to Anna and Renzo, we concluded that it is better to keep @FractionField@ general.
Anna proposed cr... - 15:09 CoCoALib Feature #165: FractionField -- only of TrueGCDDomain?
- John Abbott wrote:
> JAA proposes: the base ring of a *@FractionField@* must be a @TrueGCDDomain@ (and this must be ... - 14:36 CoCoALib Feature #165: FractionField -- only of TrueGCDDomain?
- If my proposal is accepted, someone will have to look through the existing code and remove any checks which will have...
- 12:51 CoCoALib Feature #165 (Closed): FractionField -- only of TrueGCDDomain?
- I've started implementing @IsTrueGCDDomain@.
I noticed that the ctor for a *@FractionField@* checks that the base ... - 15:59 CoCoALib Feature #40: Squarefree factorization - Alessio d'Ali`
- Alessio has a first solid version of his report.
We spoke of how to generate tables of timings automatically; Alessi... - 15:54 CoCoA-5 Feature #131: Conversion from bool to INT
- I don't like an automatic conversion.
We could write a conversion function *Bool01* (the shortest name I could think... - 11:48 CoCoA-5 Feature #131: Conversion from bool to INT
- Though I didn't say so explicitly previously, I believe that a truly *automatic* conversion from @BOOL@ to @INT@ is l...
- 11:50 CoCoALib Feature #41: Squarefree factorization - overhead
- Oh dear, I keep forgetting to log time here. I'll just make a guess.
20 May 2012
- 13:28 CoCoA-5 Bug #163 (Resolved): RealRootsApprox bombs
- I've modified RealRoots, and it seems to work now.
What puzzles me is that the bug came to light only today, even ... - 12:41 CoCoA-5 Bug #163: RealRootsApprox bombs
- Added a new C5 test file.
The RealRoots code is rather messy; I suppose it should be rewritten in C++. Any volunt... - 11:30 CoCoA-5 Bug #163: RealRootsApprox bombs
- The example I gave contains @FStar@ instead of @F@.
The bug is simply an unwarranted error; JAA does not believe the... - 11:06 CoCoA-5 Bug #163 (Closed): RealRootsApprox bombs
- The following lines produce an *@ERR::SERIOUS@* on my installation...
- 11:25 CoCoA-5 Bug #164 (Closed): CoCoA-5 emacs interface bug (minor): Source & SourceRegion with troublesome filenames
- By accident I created a filename containing a newline.
Sending the file to CoCoA-5 in emacs (by C-c C-f) produced th...
17 May 2012
- 21:41 CoCoA-5 Bug #110: Surprise return type for GCD of a list of ints
- Anna Maria Bigatti wrote:
> So the best is *@IsTrueGCDDomain@* it is the shortest of the type @Is***GCDDomain@ (and ... - 18:32 CoCoA-5 Bug #110: Surprise return type for GCD of a list of ints
- > Almost all our suggestions are rather long; perhaps this does not matter so much? Maybe we should just choose one,...
- 18:12 CoCoA-5 Bug #110: Surprise return type for GCD of a list of ints
- Anna Maria Bigatti wrote:
> Another suggestion: *IsValidGCDDomain* (by L.Robbiano)
I'm not very convinced; I'd... - 17:33 CoCoA-5 Bug #110: Surprise return type for GCD of a list of ints
- John Abbott wrote:
> However, if we regard fields as not "gcd domains" then what name should be use to mean "gcd doma... - 18:38 CoCoA-5 Bug #162 (Closed): RegularityIndex <= 0
- RegularityIndex is not complete/correct...
16 May 2012
- 18:20 CoCoA-5 Bug #110: Surprise return type for GCD of a list of ints
- JAA believes that *@myGcdInField@* was created for the following reason.
In CoCoALib fields satisfy *@IsGCDDomain@... - 16:15 CoCoA-5 Bug #110: Surprise return type for GCD of a list of ints
- > JAA thinks that
> *we can compute GCDs between values of type @RAT@*
> should be equivalent to
> *we can compute GC... - 15:36 CoCoA-5 Bug #110: Surprise return type for GCD of a list of ints
- JAA thinks that
> *we can compute GCDs between values of type @RAT@*
should be equivalent to
> *we can compute... - 15:31 CoCoA-5 Bug #110: Surprise return type for GCD of a list of ints
- There is one other imstance where @myGCDInField@ is called.
*@ex-RingElem1@* attempts to compute a GCD in a field (a... - 15:01 CoCoA-5 Bug #110: Surprise return type for GCD of a list of ints
- JAA modified @RingBase::myGcdInField@ to give error rather than produce a result of 0/1. All CoCoALib tests passed, ...
- 10:16 CoCoALib Support #160: Cleanup doc for rings
- A richer template for the documentation is offered in @empty.txt@ for homogeneity in class descriptions and facilitat...
- 07:46 CoCoALib Support #160 (Closed): Cleanup doc for rings
- Some documentation has already been rewritten.
Check that all files have appropriate links to operations in the righ... - 07:57 CoCoALib Support #161 (New): Convert old "task table" into redmine
- Redmine seems a lot easier to keep up-to-date than our old task table page.
We should then remove the task table and...
15 May 2012
- 22:51 CoCoA-5 Bug #159 (Resolved): Multiplicity sometimes wrong
- 19:54 CoCoA-5 Bug #159 (Closed): Multiplicity sometimes wrong
- It seems to work OK for monomial ideals, but......
- 22:10 CoCoA-5 Bug #158: May AsRAT produce an INT?
- JAA cannot find the manual page for *@AsRAT@* (ditto *@AsINT@*).
The only occurrence in @CoCoAHelp.xml@ is in a @<s... - 21:13 CoCoA-5 Bug #158 (Resolved): May AsRAT produce an INT?
- JAA has checked in the modified defn of *@AsRAT@*.
The question of the names of @AsRAT@ and @IsRational@ remains o... - 17:41 CoCoA-5 Bug #158: May AsRAT produce an INT?
- John Abbott wrote:
> It seems reasonable to me that *@AsRAT@* give either error or a @RAT@ as result -- after all it ... - 15:16 CoCoA-5 Bug #158: May AsRAT produce an INT?
- JAA has modified the defn of *@AsRAT@* so that it returns a @RAT@ even if the arg given was an @INT@. All the CoCoA-...
- 15:04 CoCoA-5 Bug #158: May AsRAT produce an INT?
- JAA was wondering how to convert a value of type @INT@ into the equivalent value of type @RAT@. Recall that arithmet...
- 14:56 CoCoA-5 Bug #158: May AsRAT produce an INT?
- *@AsRAT@* is defined at lines 31--39 of the file @NotBuiltin.cpkg5@.
[updating the defn should be pretty easy]
*B... - 14:51 CoCoA-5 Bug #158: May AsRAT produce an INT?
- It seems reasonable to me that *@AsRAT@* give either error or a @RAT@ as result -- after all it is a sort of "cast". ...
- 16:52 CoCoA-5 Bug #110: Surprise return type for GCD of a list of ints
- In CoCoALib we have the function @myGcdInField@, so we can compute gcd of elements in RingQQ. So, what shouldwe do i...
- 16:17 CoCoA-5 Bug #110: Surprise return type for GCD of a list of ints
- The code now works: *@type(gcd([2,3,4])@* is of type @INT@.
Also @lcm@ has been fixed accordingly.
It does not se... - 15:32 CoCoA-5 Bug #110 (Resolved): Surprise return type for GCD of a list of ints
14 May 2012
- 15:03 CoCoA-5 Bug #110: Surprise return type for GCD of a list of ints
- Anna thinks she can fix the reading of homogeneous lists; she will look into it in the next few days.
- 14:06 CoCoA-5 Bug #110: Surprise return type for GCD of a list of ints
- JAA thinks that introducing a separate name for the function for computing GCD of integers is a *bad* idea because it...
- 12:23 CoCoA-5 Bug #110: Surprise return type for GCD of a list of ints
- JAA proposes that reading of homogeneous lists have three possible return types:
* list of @INT@
* list of @RAT@
*... - 12:14 CoCoA-5 Bug #110: Surprise return type for GCD of a list of ints
- Today some students passed with a CoCoA-5 problem which derived from the unexpected return type of *@gcd@* applied to...
- 14:45 CoCoA-5 Bug #158 (Closed): May AsRAT produce an INT?
- What type should the result of *@AsRAT(3)@* have?
At the moment @AsRAT@ returns an *@INT@* if its arg is of type *...
11 May 2012
- 19:01 CoCoALib Bug #155 (Closed): gcd: multivariate over non-prime finite field
- 12:36 CoCoALib Support #75: Documentation review by Caleo
- Alessandra reports that the doc for *@PPMonoid@* did not explain clearly what a PPMonoid is, nor why CoCoALib offers ...
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