Activity
From 27 Jan 2014 to 25 Feb 2014
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!
06 Feb 2014
- 14:46 Slug #434: Emacs UI: very slow when input file is big (with long lines)
- I created a 3Mbyte file with short lines (100 copies of the code in @radical.cpkg@). There was some slow down, but q...
- 14:22 Slug #434: Emacs UI: very slow when input file is big (with long lines)
- The problems of serious slow down occur only when the cursor is towards the end of the file -- response is normal whe...
- 13:49 Slug #434 (New): Emacs UI: very slow when input file is big (with long lines)
- Emacs has become very slow as I edit a large (3Mbyte) @file.cocoa5@.
The file contains several quite long lines (u... - 10:23 Bug #433: EMACS UI: trouble with sending a long line
- My idea to use @SourceRegion@ has a (minor?) technical problem: it implies that the buffer be saved to the associated...
05 Feb 2014
- 00:06 Bug #433 (Closed): EMACS UI: trouble with sending a long line
- Sending a long line to CoCoA-5 inside Emacs does not work: CoCoA gets stuck and simply prints out lots of ^G. I beli...
- 23:55 Feature #381: Emacs User Interface: Easier binding for sending a line to cocoa-5
- Could you also define some other key sequences? For instance,
C-c RET
C-c C-RET
The advantage of defining both ...
30 Jan 2014
- 09:39 Feature #78: Elim ordering and matrix ordering in CoCoA-5
- Just an idea... it might be nice if the matrix created contained only non-negative entries (_e.g._ it is easy to have...
29 Jan 2014
- 19:17 Feature #270: Distribution for linux
- I suggest generalizing this issue to simplifying the _make a distribution_ process on any platform. There should be ...
- 11:59 Feature #204: NmzComputation: the powerful NormalizComputation function in CoCoA-5
- And it also works with gradings:...
28 Jan 2014
- 17:48 Feature #204: NmzComputation: the powerful NormalizComputation function in CoCoA-5
- Since the HilbertSeries is now availabe in CoCoALib, I also added it to NmzComputation. Example:...
- 14:40 Bug #418 (Feedback): What does interreduce do?
- All done
27 Jan 2014
- 14:36 Feature #367: implement LF/DF for an ideal
- LF(ideal) done.
(cvs tomorrow)
- 13:53 Feature #367 (In Progress): implement LF/DF for an ideal
- code for LF of a polynomial implemented in october 2012
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