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From 12 Nov 2020 to 11 Dec 2020

11 Dec 2020

21:54 Design #1550 (Resolved): version number for CoCoA5 snapshot release?
I have added a safety check. It seems to work well enough.
Tomorrow I'll check it in.
John Abbott
21:09 Design #1550: version number for CoCoA5 snapshot release?
I have now checked where the values of @COCOA5_VER_MAJ@ etc are used.
I believe it is safe if they contain alphanume...
John Abbott
14:31 Design #1550 (In Progress): version number for CoCoA5 snapshot release?
I changed the file @src/CoCoA/release-files/version@ so that the 3rd component was @3b@ (instead of just @3@).
CoCoA...
John Abbott
12:20 Design #1550 (Closed): version number for CoCoA5 snapshot release?
should we have finer numbering?
such as cocoa-5.3.3b?
Anna Maria Bigatti
14:24 Bug #1512 (Resolved): Package with unexpected EOF
I think I have fixed it: it now produces this error report:... John Abbott
12:30 Design #1545: CoeffOfTerm: in CoCoALibSupplement
The code is there, currently commented out.
What we have occasion to use it and test speed in a real contest (when w...
Anna Maria Bigatti
12:01 Design #1544: CoCoA coding conventions for parser/interprer?
Discussion with John: OK, updating the style "as we go".
Keep *@theRing@* & co. for *@intrusive_ptr@* (at least to...
Anna Maria Bigatti
11:55 Design #1546 (In Progress): Improve 'describe' or 'print' for a function
If the fn comes from a package, can the name of the pkg be given (perhaps in a comment)? John Abbott
09:38 Design #1546: Improve 'describe' or 'print' for a function
Anna Maria Bigatti wrote:
> Maybe we could have @print/print .. on ..@ actually printing the function.
I have it ...
Anna Maria Bigatti
11:53 Feature #1174 (In Progress): package of a function --> of an identifier!
Anna Maria Bigatti
11:48 Feature #1174: package of a function --> of an identifier!
Anna has a prototype in @coclib.cpkg5@. Currently commented out -- how long has it been there??
If it were built-...
John Abbott
09:41 Feature #1549 (In Progress): Add sagbi package
I have a package ready for computing sagbi bases.
Confirm syntax and write manual.
Anna Maria Bigatti

09 Dec 2020

08:54 Design #1546: Improve 'describe' or 'print' for a function
Anna Maria Bigatti wrote:
> Julian Danner wrote:
> > sadly CoCoA does not offer a (nice) way to save objects (rings...
Julian Danner
08:03 Design #1546: Improve 'describe' or 'print' for a function
Julian Danner wrote:
> sadly CoCoA does not offer a (nice) way to save objects (rings, polys, lists,...) in such a w...
Anna Maria Bigatti

08 Dec 2020

14:29 Support #1548 (New): Man page for UniversalGBasis
The manual page for @UniversalGBasis@ could be clearer.
Improve it!
John Abbott

07 Dec 2020

16:17 Design #1546: Improve 'describe' or 'print' for a function
I have had a (not so) quick look at the code involved.
*@describe@* like all CoCoA commands returns no value, and th...
John Abbott

04 Dec 2020

12:53 Design #1546 (Closed): Improve 'describe' or 'print' for a function
Hi,
sadly CoCoA does not offer a (nice) way to save objects (rings, polys, lists,...) in such a way that they can be...
Julian Danner
11:57 Design #1545 (New): CoeffOfTerm: in CoCoALibSupplement
Maybe improve impl of @CoeffOfTermSparse@ in @CoCoALibSupplement.C@ around line 151?
See commented out "improved" ...
John Abbott
10:26 Feature #1543 (Feedback): Default path for packages
Done and tested. cvs-ed.
Anna Maria Bigatti
09:40 Feature #1543: Default path for packages
Main.C L279 Anna Maria Bigatti
09:37 Feature #1543: Default path for packages
This is for running CoCoAInterpreter in terminal, when it is saved in the bin/ directory.
This happens (at least) ...
Anna Maria Bigatti
09:31 Feature #1543 (Closed): Default path for packages
Now CoCoAInterpreter look for packages (if not specified) in its own directory. Add also the path "../" Anna Maria Bigatti
09:51 Design #1544: CoCoA coding conventions for parser/interprer?
I've done it for *@defaultPackageDir@* which is now *@IsDefaultPackageDir@*.
I find it easier, and that's the reason...
Anna Maria Bigatti
09:47 Design #1544 (New): CoCoA coding conventions for parser/interprer?
Should we (slowly?) adapt parser/interpreter/main to our coding conventions?
Anna Maria Bigatti

03 Dec 2020

21:31 Bug #1514 (Closed): Cocoa crashes when calling RingElems
I now have a personal CoCoA version with the new @MemPool@ code (see issue #1522 comment 10).
I have just tried the ...
John Abbott

01 Dec 2020

14:03 Feature #1541: foreach with ref to list entry?
If we choose to extend CoCoA-5, there are 2 obvious approaches:
* modify @foreach@ so that it uses references --- ob...
John Abbott
13:58 Feature #1541 (New): foreach with ref to list entry?
Julian Danner asks whether it would be possible to have a version of @foreach@ which operates on a reference to the l... John Abbott
12:13 Support #1298: How can user find the indent command?
I am tempted to remove the example of using @indent@ with 2 args: it occupies a lot of vertical space, but conveys li... John Abbott
12:08 Support #1298: How can user find the indent command?
Maybe this should be a new issue? I was surprised at what @indent@ did when given a module:... John Abbott

26 Nov 2020

16:33 Support #322: Installation instructions (on website)
I must check what happens for old MacOS
Anna Maria Bigatti
16:24 Bug #1537: EmacUI: strange colours, sometimes
John Abbott wrote:
> A possible way to address the problem is to discourage users from typing *@/-@* by making it is...
Anna Maria Bigatti
16:20 Feature #1536: Implement xel?
Anna will impl in CoCoAlib, and then make accessible to CoCoA-5.
John Abbott
16:06 Feature #1536: Implement xel?
One difference between @QQ[x,y,z],xel@ and @QQ[z,y,x],lex@ is that the order in which the idents are printed is diffe... John Abbott
14:37 Feature #1536 (In Progress): Implement xel?
Very good reasoning.
Indeed some researchers have opposite standards, calling lex (and degrevlex) what we call xel (...
Anna Maria Bigatti
15:52 Feature #1535: New functions: argmin, argmax
I like the idea. We need another mane for the funzion with indices. Anna Maria Bigatti

23 Nov 2020

10:18 Design #1520 (Feedback): Replace BOOST_FOREACH by new C++14 range for syntax
I have checked in my changes. Let's hope everything works fine! John Abbott

20 Nov 2020

15:04 Design #1520: Replace BOOST_FOREACH by new C++14 range for syntax
We still need to see where the new the @for@ syntax can be used in cocoalib -- that is issue #1346.
Maybe I should...
John Abbott
15:01 Design #1520 (Resolved): Replace BOOST_FOREACH by new C++14 range for syntax
I think I have done most of the code in @src/CoCoA-5@.
It compiles and the CoCoA-5 tests all pass.
I made the chang...
John Abbott
14:11 Design #1540: Double power
I would like to maintain reasonable compatibility between the way CoCoA-5 parses expressions and the way @RingElem@ o... John Abbott
13:35 Feature #500: Interpreter: is it possible to avoid useless prompts?
Apparently the ability to suppress prompts could be useful for the ApCoCoA interface.
For that application, it wou...
John Abbott
11:36 Bug #1539 (Feedback): Website: installation instructions for Microsoft
Anna Maria Bigatti
11:35 Bug #1539: Website: installation instructions for Microsoft
fixed
Anna Maria Bigatti
11:27 Bug #1539: Website: installation instructions for Microsoft
What was nice was that Bernhard wrote "shouldn't cocoa-5.2 be cocoa-5.2?"
So even bug reporters can make typos ;-)
John Abbott
08:56 Design #1530: VersionInfo -- better field names?
Done.
I added "Boost" only in BuiltinFunctions.C.
I have also the code for adding it in ExternalLibs.C (commented o...
Anna Maria Bigatti

17 Nov 2020

22:33 Support #322: Installation instructions (on website)
Last week a student came with some problems with making CoCoA work on her MacBook; most of these are dealt with elsew... John Abbott
20:31 Bug #1537: EmacUI: strange colours, sometimes
A possible way to address the problem is to discourage users from typing *@/-@* by making it issue a warning.
As a...
John Abbott
20:26 Bug #1537: EmacUI: strange colours, sometimes
This is probably not solvable :-(
I changed the emacs syntax declaration for "minus" into just a plain "." (punctu...
John Abbott
20:11 Bug #1537: EmacUI: strange colours, sometimes
Here is some doc about emacs;... John Abbott
20:02 Bug #1537: EmacUI: strange colours, sometimes
Around line 335 in @cocoa5.el@ there is this... John Abbott
19:48 Bug #1537: EmacUI: strange colours, sometimes
As far as I can tell the following "digraphs" are recognized as starting a comment:
slash-star, slash-slash, slash-m...
John Abbott
13:49 Bug #1537 (In Progress): EmacUI: strange colours, sometimes
I have tried a few tests. slash-minus seems to be recognised as a comment start; I have tried slash-char where char w... John Abbott
13:19 Design #1540 (In Progress): Double power
If we do look at handling exponents, it might be nice to improve the error mesg when a negative exponent is given wit... John Abbott

16 Nov 2020

18:07 Design #1540: Double power
I think CoCoA should give a warning or even an error. Currently, it gives neither!
On my computer I got *@x^8@*
...
John Abbott
18:05 Design #1540 (Closed): Double power
What do you think CoCoA does with the following input?... John Abbott
09:43 Bug #1539 (Closed): Website: installation instructions for Microsoft
The installation instructions for Microsoft refer to the directory *@C:\cocoa-5.2\emacs@* instead of *@C:\cocoa-5.3\e... John Abbott

13 Nov 2020

16:00 Design #1530: VersionInfo -- better field names?
*Anna will do the following*
(1) move the info about BOOST into the subrecord @ExternalLibs@ (_i.e._ added to the li...
John Abbott
14:34 Design #1530: VersionInfo -- better field names?
and add Boost into the ExternalLibs record Anna Maria Bigatti
15:48 Support #1534 (In Progress): Install CoCoA-5 on MacOS-10.15+
Anna could you do the following on your old MacBook:
(1) download the official distrib
(2) follow the instructions ...
John Abbott
14:26 Support #1534: Install CoCoA-5 on MacOS-10.15+
I have had trouble installing CoCoA-5 from our website on my old mac.
John Abbott
14:48 Bug #1537 (Closed): EmacUI: strange colours, sometimes
... Anna Maria Bigatti
11:23 Feature #1536: Implement xel?
The matter was raised by Bernhard Andraschko. His argument is below:... John Abbott
11:19 Feature #1536 (Closed): Implement xel?
At the moment CoCoA-5 does not recognise the keyword @xel@ for specifying a term order when defining a new ring.
I...
John Abbott

12 Nov 2020

13:47 Feature #1535: New functions: argmin, argmax
Here is a little background/motivation.
I demoed to the students how one can impl in CoCoA-5 the algm to compute a m...
John Abbott
 

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