Activity
From 02 Jun 2012 to 01 Jul 2012
29 Jun 2012
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18:53 CoCoA-5 Feature #200 (Closed): add modules and module operations
- We have modules in CoCoALib.
Just mimick ideals to add modules..... will it be that easy?
Probably we'll have som... -
17:17 CoCoALib Bug #199 (Closed): CFApprox: division by zero
- I forgot to close the issue and to count CVS time etc.
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- The bug was a consequence of when I changed the definition of integer division (from round towards -infinity to round...
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- ...
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- Problem for the GUI release:
even though it works reasonably well, there is a bug related to the fact that (by defau... -
- Per chiarirci le idee prima di spargere la voce...
*relatore Informatica*: Giovanni Lagorio? Paola Magillo?
*ge...
28 Jun 2012
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- added to script generation of pre-release for cocoa-5.0.3 for Mac emacs
(and made pre-release)
26 Jun 2012
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- Alessio has:
* continued with the report
* reorganized the tests so that they are largely automatic
He will chec... -
- John Abbott wrote:
> Will we use the banner in the GUI?
I think it is nice to have something looking like "I'm re... -
- I placed the definition of the banner in the files *Banner.[CH]*.
I do not like adding a separate file for such a sm... -
- I have the first "complete" version of *cocoa5-cvs-snapshot*.
* It assumes the cvs copy in my "0.99/snapshot" directo... -
- I've found this bug (among the other "surprise" and rare occurrences) is caused by *make; make;* which seemed to occ...
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- Sometimes we get this mysterious message when starting the GUI....
25 Jun 2012
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- I've created on my computer a "snapshot" directory for the "current cvs snapshot" where I should compile (and also ge...
22 Jun 2012
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- Another problem...
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- which functions give guarantees and which don't?
better be more clear and consistent.
Check also if PPMonoidFast ca... -
- Alessandra reports:
* doc for *@PPWithMask@* needs major improvement (and also the impl)
* *@ex-PPWithMask2.C@* nee... -
- Alessandra Caleo noticed that OrdvArith seems to be quite messy: includes parts about PPOrdering and is not clear why...
21 Jun 2012
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- John Abbott wrote:
> No idea why it was so slow before :-(
I had a similar problem to what you described yesteray... -
- I think this latest proposal is a good start. It contains the most useful information, and the names of the fields a...
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- I suggest removing the @CoCoA@ prefix from the compilation date, the compiler name, and the compilation options.
I... -
- see above
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- I changed the relevant lines (near 2910) in @Interpreter.C@:...
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- CoCoALib produces a "mixed rings" error in the following example; CoCoA-5 does not intercept the error at the level o...
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12:39 CoCoA-5 Feature #193: BuiltinFunctions.C getting too long (2000 lines)
> I think we have to make two variables *@vector<NameFunPair> builtIns;@*
You can probably keep a single variabl...-
- One proposal for splitting is
- file A: general macros and templates
- file B: all oneliners (the easy ones) with... -
- Can we split BuiltinFunctions.C so that it is easier to update and faster to compile?
20 Jun 2012
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- I did @make veryclean@; sync with CVS, and @make@.
Now mine takes about a minute too... very odd!
No idea why it ... -
- John Abbott wrote:
> The following example comes from an exercise I gave during _Algebra Computazionale_
> [...]
>... -
- Compare these...
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- How to get the (string) values out of *BuildInfo.C* ?
At the moment there is... -
- JAA sees two mutually exclusive ways of solving the problem:
# fix the ref counting so that it always works correctly...
19 Jun 2012
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- The following example comes from an exercise I gave during _Algebra Computazionale_...
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- added VersionInfo.
fixed documentation.
This could also return the other info in BuildInfo (such as compilation f... -
- I have added "division by a scalar" for matrices and lists; not added anything to the documentation, nor any example/...
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- Claudia reports that @Matlab@ allows the user to write @M/2@ to mean @(1/2)*M@. JAA finds this reassuring because it...
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- John Abbott wrote:
> Should modules also have an @IsStdGraded@?
> *Note* we have already used the abbrev @std@ for ... -
- The function is called *PrintCoCoA5Banner*.
I'm checking it all in.
If by default it is printed badly in teh GUI we... -
- The cause of the problem is a design bug in CoCoALib (see issue #190).
As a consequence I shall close this issue.
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- If you add...
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- @Valgrind@ even complains about the following two lines!!...
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- According to *@valgrind@* the following input is enough to do damage:...
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- I finally reduced the example: (quite a lot reduced ;-)
it seems due to having both a redefinition of the PolyRing a... -
- The problem appears to be a *@RingHomValue@* in the interpreter which has a reference to a CoCoALib *@RingHom@* which...
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- Laura's code works fine on my Linux VM.
However, *@Valgrind@* confirms that there is a memory access problem (seems ... -
- The function below looks perfectly reasonable, but it creates a *dangling reference*...
18 Jun 2012
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17:18 CoCoA-5 Feature #188: CoCoAManual: entries for operators
- John Abbott wrote:
> How would a student find out what @><@ means in CoCoA?
> How to have manual pages for operator... -
- Yes, in its current form it requires BOOST.
I can add some *@#ifdef@* directive to make it compile without BOOST (an... -
- Does this mean that users are now forced to have boost, or we can have a non-threadsafe version without boost?
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- Recompiled with MemPool debugging and linking with @debug_new.o@
The problem disappears... this may be enough to let... -
14:32 CoCoA-5 Bug #189 (Closed): malloc ERROR
- I get the following error...
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- John Abbott wrote:
> @Anna: could you explain your preference for two separate functions rather than a single functi...
15 Jun 2012
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- I have asked some students (and colleagues) about writing @M/2@ where @M@ is a matrix. The replies were quite varied...
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- I believe the Linux kernel uses odd/even version numbers to distinguish between public releases and interim versions....
14 Jun 2012
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- Added new test *@test-RingElem1@* which currently just does some simple sanity checks on @gcd@ and @lcm@.
Cleaned ... -
- Fixed the wrong result -- it was a bug in CoCoALib.
Fixed the type error (in @Builtin.C@) but fix is rather *ugly*.
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- How would a student find out what @><@ means in CoCoA?
How to have manual pages for operators in CoCoA?
Here is a... -
- @Anna: could you explain your preference for two separate functions rather than a single function?
JAA has a (mild...
13 Jun 2012
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- I added a mechanism to make it simple to change the date in the manual.
So that *? CoCoAManVersion* prints the ver... -
- I added the functions *CoCoAVersion()* and *CoCoALibVersion()*.
Before I cvs it all in, how should the "version" fil... -
- It is reasonably easy now to make a new CoCoALib (snapshot) release.
On the other hand making a new CoCoA-5 is *quit...
12 Jun 2012
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- John Abbott wrote:
> Should the field be called *@CoCoA5@* or just simply *@CoCoA@*?
> JAA prefers *@CoCoA@*. Its ... -
- John Abbott wrote:
> Common sense says that if you can do @M*(1/X)@ then you ought to be able to do @M/X@ (and get th... -
- John Abbott wrote:
> Should "5" be part of the banner?
I think so: it is quite different from CoCoA-4, so we'd be... -
- I agree to exclude @MATRIXROW@ and @RECORD@
> Can we create values of type @VECTOR@? Are they the same as @Module...
11 Jun 2012
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- Scalar multiplication could be useful for:...
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- Added scalar mult on the right & unary minus for matrices in C5.
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- Added scalar multiplication on the right (for matrices) to CoCoALib.
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- John Abbott wrote:
> I've just added *@operator-@* (scalar multiple by -1) to @MatrixArith@.
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> Contrary to my s... -
- Common sense says that if you can do @M*(1/X)@ then you ought to be able to do @M/X@ (and get the same result!). If ...
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- We can comupte INT*MAT, more recently also MAT*INT.
Should we also allow MAT/INT?
(was not allowed in CoCoA-4)
A... -
- Should "5" be part of the banner?
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- Will we use the banner in the GUI?
It might be tricky to make it look good if/when the user changes font.
The pro... -
- I suggest this banner for CoCoA-5...
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- Should the field be called *@CoCoA5@* or just simply *@CoCoA@*?
JAA prefers *@CoCoA@*. Its value will be a string... -
- John Abbott wrote:
> Strictly, each package should have its own version number (maybe they already do in the source ... -
- Strictly, each package should have its own version number (maybe they already do in the source text?) I'm not sure i...
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- John Abbott wrote:
> I agree that the version number should be in the executable.
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> If the version number is in... -
- doc for degree and PPVector needs a bit of cleaning (but is comprehensible anyway)
PPWithMask has a (now useless) ... -
- Unary minus is implemented via a member fn -- JAA does not know why it was implemented in this way.
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- In Interpreter.C there are templates for *opEqual*, *opStar*, ...
Can we have a similar template for *unaryMinus*?...
10 Jun 2012
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- I've just added *@operator-@* (scalar multiple by -1) to @MatrixArith@.
Contrary to my suggestion that multiplicat... -
- John Abbott wrote:
> If *@N*X@* is valid (for @N@ integer, and @X@ of some type) then it makes perfect sense that @-... -
- *-M* is not available in CoCoALib whereas
@matrix operator-(ConstMatrixView Mleft, ConstMatrixView Mright)@
is.
Sh...
08 Jun 2012
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- Should modules also have an @IsStdGraded@?
*Note* we have already used the abbrev @std@ for standard (_e.g._ *@StdDe... -
- I have improved the warning message when the default package directory is not accessible (for text UI, and GUI).
T... -
- The parser goes into a strange state if an unescaped double quote character is found inside a superstring. It correc...
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- JAA is not keen on such automatic methods. We should try harder to be diligent about updating the percentages. If w...
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- If I understend well (but I think it is dangerous to test it) that we can have percentege set automatically based on ...
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- Anna Maria Bigatti wrote:
> * disadvantages: I think the version number should be in the executable
> * advantage... -
- Something we had talked about:
cocoa-4 used to load the file *init.coc*.
I've found a _tappullo_: call this file *... -
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- * revived the old code and removed (for the moment) the inclusion of the horribly obsolete chapters/sections/tutorial...
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- added *apply*, *wdeg*, *PolyAlgebraHom*
removed *WeightsList* -
- 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
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- Here are a couple of suggestions which do not require manipulating @symbol@ directly. If these two fns cover almost ...
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- Can I set the assignee to Anna Bigatti? :-)
Well, anyone so long as it is not me :-) -
- Added manual for *NewPolyRing*, *GradingDim*, *RealoadMan* (not yet cvs-ed)
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- Anna's point about almost everything (eventually) being built-in is valid; I was forgetting that. Also my "note" in ...
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- Add a feature to *@GlobalManager@* which mimics the Unix fn *@atexit@*.
This allows users to register pseudo-dtors... -
- Yes, I think throwing an error is best(=safest) in this case. Same applies to any other "homog" function.
*2013-02-1... -
- Here is a piece of code from CoCoA-5...
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- Make makefile target for *texdoc*.
Check that it is created nicely (quotes, dollars, ...)
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- 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
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- John Abbott wrote:
> Waiting for Anna's return to discuss the correctness/usefulness of allowing CoCoA-5 to run if t... -
- John Abbott wrote:
> Maybe put @IsBlank@ into a file called *@C5utils@*?
> What do you think? Perhaps a few other fn...
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