Activity
From 07 Feb 2014 to 08 Mar 2014
07 Mar 2014
- 15:25 Feature #371 (Closed): Resurrect LinearSimplify
- No problems reported in the last 9 months, so closing.
- 13:35 Bug #441: Emacs UI: C-c C-e does not ignore keywords inside strings
- The regexp...
- 13:01 Bug #441: Emacs UI: C-c C-e does not ignore keywords inside strings
- Here is are two test cases. The first works OK; the second does not....
- 12:48 Bug #441 (Resolved): Emacs UI: C-c C-e does not ignore keywords inside strings
- I now have a new regexp which seems to work better:...
- 12:03 Bug #441: Emacs UI: C-c C-e does not ignore keywords inside strings
- My regexp doesn't work quite as I hoped: it fails of the matching start keyword is on the same line as point. Here's...
- 11:36 Bug #441 (In Progress): Emacs UI: C-c C-e does not ignore keywords inside strings
- I have added a regexp "suffix" so that keywords are recognised "outside strings".
Here is the regexp... - 12:49 Bug #394 (Feedback): problem with ContentFreeFactor (and missing manual entry)
- I can't remember. Now I cannot reproduce what problem I managed to invent when there was no manual ;-)
Maybe it was...
06 Mar 2014
- 20:53 Bug #441: Emacs UI: C-c C-e does not ignore keywords inside strings
- I believe the relevant function is @cocoa5-close-block@. The bug probably lies inside @cocoa5-last-unended-begin@ (d...
- 20:43 Support #406: Manual for CoCoAManual/CoCoAHelp.xml
- I want some guidance about which fonts to use in the description of a CoCoA function when refering to the arguments. ...
- 20:38 Bug #394: problem with ContentFreeFactor (and missing manual entry)
- Can I have some details???
- 20:35 Bug #458: CoCoA5 GUI; failed build "wrong architecture"
- I don't believe this issue is so important, but it is worth recording (maybe some @Makefile@ magician will spot the p...
- 20:31 Bug #458 (Rejected): CoCoA5 GUI; failed build "wrong architecture"
- I observed a failed build of the C5 GUI (on Mac OS X 10.5.8). The commands I ran were:...
05 Mar 2014
- 18:00 Support #456 (Closed): CoCoAManual: New structure for manual?
- CoCoA-4 manual had a part with the list of commands and a part with "topics" (the latter has been obsolete for ages!)...
- 17:00 Bug #444 (Feedback): Not keyword/operator
- JAA has revised the manual page for the logical operators.
- 16:50 Feature #451: Port function NewSymbol/NewSymbols to CoCoA-5
- One possible solution is to supply an "impossible name" for those indets we want to be "anonymous".
An impossible ... - 16:12 Feature #453 (In Progress): Automatic conversion from INT (or RAT) to RINGELEM
- Added code to handle the special cases of @GenRepr(INT,IDEAL)@ and @GenRepr(RAT,IDEAL)@
Which other fns need simil... - 15:29 Bug #445 (Closed): EmacsUI: indentation is wrong sometimes (e.g. if Lambda1 is on previous line)
- 15:26 Feature #372: add IsFactorClosed
- After talking to Anna about my doubt, we have decided that an empty list in input should produce an error (as it seem...
- 12:21 Bug #197 (Closed): ./C5.bin: fork: Resource temporarily unavailable
- Neither Anna nor I recall how to reproduce this bug; maybe we have fixed it unwittingly?
Anyway, there is a work-aro...
04 Mar 2014
- 15:22 Support #370: OnlineHelp: Problem with "><" in syntax of CartesianProduct
- fixed.
I just added CleanupLine in ... - 15:16 Support #369: write documentation for TgCone and other function from the "primary" package
- Mostly done. Even cleaned up the code.
There is one function left called "E".
what to do with that? is that useful... - 09:58 Feature #372: add IsFactorClosed
- Now I'm unsure whether @IsFactorClosed([])@ should return @true@ or give error.
This morning I'm more inclined to fa...
03 Mar 2014
- 22:14 Feature #372: add IsFactorClosed
- Hey! Have you been talking to Elisa Businelli again?
Fixed the case of an empty list -- it gives *true* (same as th... - 19:21 Feature #372: add IsFactorClosed
- In the manual we can have...
- 19:15 Feature #306 (Feedback): Function for accessing the pointed value
- I think it looks pretty nice now. I even wrote a bit of documentation.
Feedback.
- 19:00 Design #449 (Feedback): Emacs UI: names of emacs fns
- I renamed all functions so they start with @cocoa5-@
I'll leave this in feedback just to make sure no mismatch comes... - 17:59 Bug #445: EmacsUI: indentation is wrong sometimes (e.g. if Lambda1 is on previous line)
- Seems OK. I'm closing this (unless future guinea-pigs resurrects it ;-)
- 17:56 Bug #418 (Closed): What does interreduce do?
- 17:03 Feature #454 (New): interpolate
- I'd like to use the @interpolate@ fn in one of mys first lessons; can it be implememnted in time? May be related to ...
- 17:00 Feature #453 (In Progress): Automatic conversion from INT (or RAT) to RINGELEM
- C5 does not allow computing @GenRepr(1, I)@ because it wants a @RINGELEM@ where I supplied the value @1@ which has ty...
28 Feb 2014
- 15:51 Feature #451: Port function NewSymbol/NewSymbols to CoCoA-5
- I think I made a fool of myself: we cannot have anonymous symbols in CoCoA because we do not have symbols. (we just ...
- 15:21 Feature #451: Port function NewSymbol/NewSymbols to CoCoA-5
- I'm already writing the code (taking some rust off my C++) and I'll wait for JAA's approval ;-)
- 15:12 Feature #451 (In Progress): Port function NewSymbol/NewSymbols to CoCoA-5
- In CoCoALib there are functions for making anonynous symbols (i.e. name of indeterminates).
Should we port them to C... - 11:09 Support #369 (In Progress): write documentation for TgCone and other function from the "primary" package
27 Feb 2014
- 09:44 Support #450 (In Progress): CoCoA-5.0.9 release (admin, overheads, etc)
- I wonder if the next version should be 5.1 instead of 5.0.4; the reason for the jump is the removal of the keywords *...
26 Feb 2014
- 17:09 Support #450: CoCoA-5.0.9 release (admin, overheads, etc)
- Can we complete/close any of these issues?
#20, #32, #78, #94, #104, #197, #200, #204, #216, #239, #322
I'm sure the... - 16:54 Support #450: CoCoA-5.0.9 release (admin, overheads, etc)
- Things to do (no special order):
* (@Anna) check the roadmap, and see which tasks we can reasonably complete, and wh... - 16:51 Support #450 (Closed): CoCoA-5.0.9 release (admin, overheads, etc)
- Just an issue to gather together all the things to do for the imminent 5.0.9 release.
JAA is hoping the release wi... - 17:01 Feature #175: Approximate BuchbergerMoeller: port to CoCoA-5
- JAA should respond!
- 16:48 Bug #197: ./C5.bin: fork: Resource temporarily unavailable
- Has this effectively been resolved? It's been ages since I've seen the problem (but I hardly ever use the GUI...)
... - 11:46 Feature #414: New fn to increase max recursion depth
- Here is a reason why I prefer a built-in fn for increasing max stack height over a command line option: a user discov...
- 11:18 Feature #328 (Feedback): Swap
- I tried swapping two long lists (10000000 entries), and it was pretty quick; so I deduce that the values are not copi...
25 Feb 2014
- 16:11 Support #370: OnlineHelp: Problem with "><" in syntax of CartesianProduct
- C5 tells me "no matches" when I ask for *@? ><@*
Is this what we want? [no!]
How to fix it? [don't know] Maybe i... - 15:40 Feature #372: add IsFactorClosed
- Implemented in C++ (inside @PPMonoid.H@ and @PPMonoid.C@); it is faster.
Documented.
Also available in C5 now -- remo... - 14:31 Feature #328: Swap
- If I remember correctly, the swap above should not make any useless copy (that is, objects should be shared until the...
- 10:58 Feature #328: Swap
- *Giovanni* any good hints on how I could implement an efficient @swap@ function in C++ (rather than doing 3 assignme...
- 10:40 Feature #414: New fn to increase max recursion depth
- I had suspected as much. Some guys wanted a stack size of about 250000, and asked for a command to increase stack si...
- 10:18 Feature #414: New fn to increase max recursion depth
- It's complicated; short answer: a frame needs to "point/reference" other frames for accessing non-local variables (_e...
24 Feb 2014
- 22:42 Feature #414: New fn to increase max recursion depth
- I have a first impl, but it SEGVs if I increase the stack size; don't know why.
The CoCoA-5 input is this: (initial ... - 18:20 Feature #414: New fn to increase max recursion depth
- Anna said it would be best to keep the change as simple as possible, so it should be a function (since we're not sure...
- 18:15 Feature #380 (Closed): Add Frobby functions to cocoa-5
- No complaints from Oscar in 9 months, so presumably all is well. Closing.
- 18:13 Feature #372: add IsFactorClosed
- The impl is quite short; move it to C++ (might even be faster?)
- 18:07 Feature #212 (Closed): NBM: add to CoCoA-5
- No complaints have come forth, so closing this.
- 18:05 Feature #328 (In Progress): Swap
- Added first basic impl to @coclib.cpkg5@.
It should be possible to swap most types of value in C++ without actuall... - 17:49 Bug #444: Not keyword/operator
- Old code has been deleted (not yet CVSed though). All still works.
*ANNA* will fix the manual; perhaps separate m... - 17:41 Bug #443 (Feedback): lambda keyword
- We have chosen *@Func...EndFunc@* as the best compromise.
Implemented all steps (1)-(4).
Status is now *feedback*
22 Feb 2014
- 11:40 Bug #443: lambda keyword
- Here are the steps to make once we have decided what to do:
Step 1: modify interpreter (ought to be very easy, will ... - 10:22 Bug #443: lambda keyword
- Being "trivial to implement" is surely a *big advantage*!
I wonder whether @fn...EndFn@ is too short; specifically d... - 11:35 Support #439: CoCoA website: download pages and installing instructions
- Some points to clarify on the website:
* what to download and do for a *completely new* installation (CoCoA+emacs)
* ... - 10:58 Bug #447: CoCoA-5.0.3 Microsoft std::bad_alloc
- On my portable it gave no problem: just returned the result @ideal()@.
With full debugging I get a failed assertion:... - 10:49 Bug #446: intersection fails with zero ideal
- We must remember to add CoCoALib tests for all these "trivial cases" -- they should be in CoCoALib rather than CoCoA-...
21 Feb 2014
- 18:37 Bug #444: Not keyword/operator
- Done stage 2. All C5 tests pass. Checked in.
NB old code for @Not@ operator has only been commented out for now... - 16:44 Bug #444: Not keyword/operator
- Stage 1 done. About to check in!
- 16:14 Bug #444: Not keyword/operator
- There seems to be no doubt that the current @Not@ operator is problematic: even we, the C5 designers, find it "danger...
- 14:50 Bug #444: Not keyword/operator
- John Abbott wrote:
> I've just noticed a real howler in @hilop.cpkg5@
> [...]
> which is very different from the orig... - 13:00 Bug #444: Not keyword/operator
- A moment's refection about the above howler has put me in panic mode; how come anything works in CoCoA-5???
Should... - 12:57 Bug #444: Not keyword/operator
- I've just noticed a real howler in @hilop.cpkg5@...
- 12:39 Bug #444: Not keyword/operator
- John Abbott wrote:
> I have just grepped through the C5 packages and there are several places where the operator @No... - 01:29 Bug #444: Not keyword/operator
- I have just grepped through the C5 packages and there are several places where the operator @Not@ is incorrectly appl...
- 16:27 Bug #443: lambda keyword
- I still vote for (with the great advantage of being trivial to implement ;-)...
- 16:18 Bug #443: lambda keyword
- I found this neat little example in a file I was playing with:...
- 16:07 Bug #443: lambda keyword
- I forgot to add that if we have a very compact syntax for simple anon fns (single expr) then it is less important to ...
- 16:04 Bug #443: lambda keyword
- Here's yet another idea (for simple anon fns), I suppose inspired by TeX.
An anon fn is any expression containing at... - 16:01 Bug #443: lambda keyword
- John Abbott wrote:
> Over lunch I made a survey (sample size = 1): -Oscar-Anonymous had no idea ;-)
> My favourite... - 15:50 Bug #443: lambda keyword
- Over lunch I made a survey (sample size = 1): Oscar had no idea what a "lambda function" might be (nor indeed what is...
- 15:20 Bug #443: lambda keyword
- I prefer a name intstead of the arrow.
So I looked at synonyms: (mind you: I'm joking)
X --> definitely not g... - 13:16 Bug #443: lambda keyword
- I've spoken to Anna and she has accepted that having @lambda@ as a keyword in CoCoA-5 is inconvenient. The question ...
- 12:53 Design #449 (Closed): Emacs UI: names of emacs fns
- Most emacs variables dealing with the CoCoA5 emacs interface are called @cocoa5-*@ but a few do not begin with @cocoa...
- 12:39 Bug #423 (Closed): Emacs UI: semicolon does not work in emacs-24.3
- No problems over the last month (incl. plenty of use).
So closing.
- 12:35 Bug #445 (Feedback): EmacsUI: indentation is wrong sometimes (e.g. if Lambda1 is on previous line)
- The change was to @cocoa5-beg-block-re@; I simply added initial @"\\<"@ and final @"\\>"@ -- it seems that they had b...
- 12:18 Bug #445: EmacsUI: indentation is wrong sometimes (e.g. if Lambda1 is on previous line)
- I think I have fixed it! :-)
Now the question is how to test it thoroughly?
[answer: a class full of unwitting guine... - 12:16 Bug #446: intersection fails with zero ideal
- John Abbott wrote:
> The mem fn @myColon@ is called by @colon@ (see source @ideal.C:280@) which makes a copy of @I@ ... - 11:59 Bug #446: intersection fails with zero ideal
- The mem fn @myColon@ is called by @colon@ (see source @ideal.C:280@) which makes a copy of @I@ and then "plays" with ...
- 11:39 Bug #446: intersection fails with zero ideal
- I had fixed this kind of problemi in @SparsePolyRing.C@ for colon...
20 Feb 2014
- 00:54 Bug #445: EmacsUI: indentation is wrong sometimes (e.g. if Lambda1 is on previous line)
- I've made some quick tests in a buffer associated to @file.cocoa5@.
Adding a *prefix* (comprising letters and/or d... - 00:40 Bug #446: intersection fails with zero ideal
- Should there be a separate issue about putting some proper "extreme case" tests for all ideal operations in the stand...
- 00:36 Bug #446: intersection fails with zero ideal
- @radical@ seems happy so long as there is at least one non-zero generator.
*However*, @radical(ideal(one(R)))@ gives... - 15:53 Bug #446: intersection fails with zero ideal
- Bad news: the problem occurs somewhere inside Max's code :-(
The problem is that @EmbedPolyList@ tries to create ... - 11:46 Bug #446: intersection fails with zero ideal
- Same problem with @radical(J)@.
- 11:40 Bug #446 (Closed): intersection fails with zero ideal
- The following input wrongly produces an error...
- 15:34 Bug #443: lambda keyword
- Here is an example taken from @NotBuiltin.cpkg5@
Current form:... - 10:36 Bug #443: lambda keyword
- Other suggestions for the keyword: *@func...EndFunc@*, *@AnonFn...EndAnonFn@*,
*@AnonFunc...EndAnonFunc@*
My firs... - 12:13 Support #448: EmacsUI Source/SourceRegion produce warning on Microsoft Windows 7 Ultimate
- The problem was reported by Elisa Businelli (and can be reproduced on her computer).
- 12:12 Support #448 (New): EmacsUI Source/SourceRegion produce warning on Microsoft Windows 7 Ultimate
- In side emacs using @send-file@ or @send-region@ issues a CoCoA command using @Source@ and @SourceRegion@ commands se...
- 12:02 Bug #447 (Closed): CoCoA-5.0.3 Microsoft std::bad_alloc
- The following input produces a @std::bad_alloc@ exception on Microsoft Windows 7 Ultimate (Service Pack 1) 2009
<pre...
19 Feb 2014
- 21:53 Bug #445: EmacsUI: indentation is wrong sometimes (e.g. if Lambda1 is on previous line)
- I think the problem may be in the definition of @cocoa5-beg-block-re@.
I presume the @-re@ suffix means "regular exp... - 21:48 Bug #445 (Closed): EmacsUI: indentation is wrong sometimes (e.g. if Lambda1 is on previous line)
- The emacs UI sometimes gets indentation wrong inside a @file.cocoa5@.
The specific case I observed was when the pr... - 21:37 Bug #444 (Closed): Not keyword/operator
- The @Not@ operator behaves differently from C4.
In C4 you could write @If Not 1 IsIn I Then ...@
In C5 this is ... - 21:34 Feature #347 (Closed): C5 cannot compute derivative of a ratfn
- This has been in feedback for 9 months without any problems, so closing.
- 21:31 Bug #443 (Closed): lambda keyword
- I've just resuscitated the eigenvector code.
Having @lambda@ as a keyword is a nuisance, _e.g._ it cannot be used ... - 11:32 Support #439: CoCoA website: download pages and installing instructions
- Tony should be here in a couple of weeks; maybe we could ask him to help improve the design of the website (by giving...
14 Feb 2014
- 10:14 Feature #352: Should SourceRegion echo the "region"?
- > I did write the code for emacs so that the sourced lines are printed (commented out), but, of course, this is not s...
12 Feb 2014
- 12:07 Feature #352: Should SourceRegion echo the "region"?
- John Abbott wrote:
> I can see what the students of the upcoming Computer Algebra course say about "send region" not ... - 11:56 Feature #352 (In Progress): Should SourceRegion echo the "region"?
- I can see what the students of the upcoming Computer Algebra course say about "send region" not copying the region se...
- 12:00 Bug #441 (Closed): Emacs UI: C-c C-e does not ignore keywords inside strings
- The emacs key sequence @C-c C-e@ should automatically insert the correct @End...@ keyword to close a syntactical cons...
10 Feb 2014
- 12:04 Support #439: CoCoA website: download pages and installing instructions
- I wonder if a friendly industrial designer would be able to help. :-)
08 Feb 2014
- 20:10 Support #439 (Closed): CoCoA website: download pages and installing instructions
- [20140208] Tony reported that he found the website quite difficult to navigate, and felt it did not explain clearly p...
07 Feb 2014
- 00:44 Slug #435 (New): Assignment to protected variable
- The interpreter should check whether LHS is protected *before* trying to evaluate RHS (because evaluation RHS might b...
- 00:41 Bug #94: Default reason for protected variables
- I'd like to resolve & close this issue in the near future!
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