Activity
From 09 Jun 2013 to 08 Jul 2013
08 Jul 2013
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14:27 CoCoA-5 Design #83: C++11 compatibility questions
- C++11 has a more flexible exception mechanism than the one in C++. Reconsider the design of CoCoALib exceptions (see...
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14:24 CoCoALib Feature #385: Design new errors using inheritance
- BOOST exceptions are quite sophisticated. Since exceptions currently play a very minor role in CoCoALib, *I am incli...
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12:10 CoCoALib Feature #385: Design new errors using inheritance
- The following URL @http://stackoverflow.com/questions/9387377/how-to-design-exception-types-in-c@ suggests deriving a...
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11:18 CoCoALib Feature #385: Design new errors using inheritance
- The current error mechanism allows for *error messages in different languages* -- and the user can change language ar...
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11:10 CoCoALib Feature #385 (In Progress): Design new errors using inheritance
- So that C++'s *@try...catch@* mechanism can be used easily we should redesign CoCoALib's error codes so that they are...
05 Jul 2013
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15:04 CoCoA-5 Feature #384 (Closed): IsZero for matrix
- The built-in fn *@IsZero@* works for many types (@INT, RAT, RINGELEM, MODULEELEM@ and @IDEAL@).
Should it work for m...
04 Jul 2013
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17:06 CoCoALib Feature #383: Resolution/morse: integrate Mario Albert's code into CoCoALib
- The inclusion of Mario's code is essentially complete.
There are still several questions about its public interface.
28 Jun 2013
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14:09 CoCoA-5 Feature #380: Add Frobby functions to cocoa-5
- Corrected Frobby fn names: in example file, test file & RegsiterServer file..
Still need discuss about Register se...
27 Jun 2013
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19:05 CoCoALib Feature #383 (In Progress): Resolution/morse: integrate Mario Albert's code into CoCoALib
- John and Mario have been incorporating his code into CoCoALib.
We have also cleaned the code somewhat. Perhaps Co... -
19:00 CoCoALib Feature #383 (In Progress): Resolution/morse: integrate Mario Albert's code into CoCoALib
- Mario Albert has written an implementation for computing resolutions & Betti numbers.
Incorporate it into CoCoALib -
17:05 CoCoA-5 Bug #382 (Closed): Subtle bug with CoeffEmbeddingHom
- This lines cause crashing (bug already tracked in CoCoALib)...
26 Jun 2013
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19:49 CoCoA-5 Feature #381 (Resolved): Emacs User Interface: Easier binding for sending a line to cocoa-5
- These are the two bindings:
C-return (works in graphical emacs) [note: *one* movement]
C-c return (works both in... -
16:45 CoCoA-5 Feature #381 (Closed): Emacs User Interface: Easier binding for sending a line to cocoa-5
- set an easier binding (easier than C-c C-l) for sending a line to cocoa-5.
Macaulay-2 mode sets f11, but that's unco... -
12:12 CoCoA-5 Feature #380 (In Progress): Add Frobby functions to cocoa-5
- functions in ExternalLib-Frobby have been ported: prefix is *Frb*
Might change names slightly.
Manual partially upd... -
12:07 CoCoA-5 Feature #380 (Closed): Add Frobby functions to cocoa-5
20 Jun 2013
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14:46 CoCoALib Design #377: IsDivisible -- exact semantics?
- JAA continues to believe that attempting to compute @0/0@ in any ring should give an error. Giving an answer is almo...
19 Jun 2013
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19:01 CoCoALib Feature #379 (Closed): Iter for subsets/tuples
- Add new iters for subsets/tuples.
[JAA see file @ShortTerm/oscar.C@] -
17:16 CoCoA-5 Bug #378 (Closed): Ungraceful behaviour: Source inside For loop
- The following input produces an unexpected effect:...
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12:20 Bug #238: Cleaner CVS?
- Another argument: The CVS merged some Makefile_dependencies and when I then tried to compile I just got
Makefile_... -
10:57 CoCoALib Design #377 (In Progress): IsDivisible -- exact semantics?
- The problem with dividing @4/2@ in @ZZ/6@ is that the true answer is @2@ in @ZZ/3@ -- a different ring! The answer ...
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10:28 CoCoALib Design #377 (Closed): IsDivisible -- exact semantics?
- While dealing with issue #248 I realised that the exact semantics of @IsDivisible@ are not clear.
The problem is whe...
18 Jun 2013
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23:11 CoCoA-5 Design #376: Hilbert: Redesign hp.cpkg5 and public functions in TmpHilbert.C
- work on numerator in hp.cpkg5
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23:08 CoCoA-5 Design #376 (In Progress): Hilbert: Redesign hp.cpkg5 and public functions in TmpHilbert.C
- modify the current design (hp.cpkg5) to reflect the decision made for CoCoALib.
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23:05 CoCoALib Feature #203 (In Progress): Function to get the Hilbert Polynomial ring from GlobalManager
- Now that we have *RingQQt(n)* clean up older tentatives....
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19:12 CoCoALib Design #254: How to return a Hilbert Series in CoCoALib
- Christof Soeger wrote:
> Anna Maria Bigatti wrote:
> > ... what about *@RingQQt(n)@*? That is pretty self-explanat... -
18:40 CoCoALib Design #254: How to return a Hilbert Series in CoCoALib
- New name implemented & checked-in.
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14:15 CoCoALib Design #254: How to return a Hilbert Series in CoCoALib
- Anna Maria Bigatti wrote:
> ... what about *@RingQQt(n)@*? That is pretty self-explanatory and flexible ;-)
Yes ... -
08:54 CoCoALib Design #254: How to return a Hilbert Series in CoCoALib
- Christof Soeger wrote:
> I spoke with W.Bruns about a name for the ring. One suggestion is PolynomialInvarianceRing ... -
10:37 CoCoA-5 Feature #375 (New): allow single function call in "use" : e.g. "Use NewFractionField(R);"
- After "use" the interpreter expectes the special poly ring constructor, such as @QQ[x,y]@, with the unconventional me...
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08:49 CoCoALib Feature #374: Porting "IdealOfProjectivePoints"
- I know this is not pretty, but for the time being there is this workaround (if you can put your points in an affine s...
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08:34 CoCoALib Feature #374: Porting "IdealOfProjectivePoints"
- requested by Marie Ermete and Susan Cooper
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08:15 CoCoALib Feature #374 (Closed): Porting "IdealOfProjectivePoints"
- port also @IdealOfProjectivePoints@
17 Jun 2013
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18:26 CoCoALib Bug #351 (Resolved): Problems with DenseMatImpl::myResize
- fixed really subtle bug in myResize()...
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16:08 CoCoALib Design #254: How to return a Hilbert Series in CoCoALib
- I spoke with W.Bruns about a name for the ring. One suggestion is PolynomialInvarianceRing (or a shortened form) inst...
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11:59 CoCoALib Design #254: How to return a Hilbert Series in CoCoALib
- Design:
new class *HilbertSeries*: member fields
*myNum* RingElem and *myDenFactors* factorization.
Constructors... -
15:26 CoCoA-5 Support #325: CoCoAManual: display syntax first
- I changed the code in OnlineHelp.C so that syntax is displayed first (2013-02).
It would be worth having the syntax ... -
15:15 CoCoALib Feature #373 (In Progress): add DeleteCol, DeleteRow
- first implementation and some tests and documentation.
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15:12 CoCoALib Feature #373 (Closed): add DeleteCol, DeleteRow
- Add functions for deleting row and cols from matrices (no throw guarantee)
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14:31 CoCoA-5 Feature #372 (Feedback): add IsFactorClosed
- Added a reasonable impl of *@IsFactorClosed@* to the package @monomial_ideals.cpkg5@.
Added doc to CoCoAManual.
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11:18 CoCoA-5 Feature #372 (Closed): add IsFactorClosed
14 Jun 2013
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09:50 CoCoA-5 Feature #243 (In Progress): Normaliz tests for CoCoA5
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09:49 CoCoA-5 Design #332 (Resolved): Approx pts preprocessing fns
13 Jun 2013
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15:58 CoCoA-5 Feature #371 (Feedback): Resurrect LinearSimplify
- JAA has revived the code -- the main problem was that @Coefficients(F,X)@ in CoCoA-4 used the opposite order to @Coef...
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15:26 CoCoA-5 Feature #371 (Closed): Resurrect LinearSimplify
- translate LinearSimplify package to CoCoA-5
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15:35 CoCoA-5 Support #325 (In Progress): CoCoAManual: display syntax first
12 Jun 2013
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16:03 CoCoA-5 Support #322: Installation instructions (on website)
- slight improvement (at cocoaschool 2013)
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15:50 CoCoA-5 Support #370 (Feedback): OnlineHelp: Problem with "><" in syntax of CartesianProduct
- fixed "OnlineHelp.C" and improved entry for "CartesianProduct" in CoCoAHelp.xml
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15:47 CoCoA-5 Support #370 (Closed): OnlineHelp: Problem with "><" in syntax of CartesianProduct
11 Jun 2013
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18:41 CoCoA-5 Support #369 (Closed): write documentation for TgCone and other function from the "primary" package
- TgCone is not efficient, but it does what it should. Document it (Anna).
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18:33 CoCoA-5 Feature #368 (In Progress): port SmithNormalForm (CoCoA-4)package to CoCoA-5
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18:31 CoCoA-5 Feature #367 (Closed): implement LF/DF for an ideal
- *LF* is the *leading form*. As for the other _leading_ functions it throws an error if the polynomial is 0.
*DF* is... -
17:24 CoCoALib Feature #366 (In Progress): function (CoCoALib) for minimal generators (like old Minimalize)
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14:58 CoCoALib Feature #366 (Closed): function (CoCoALib) for minimal generators (like old Minimalize)
- Might require some thoughts about @GBMill@
*2014-04-02* postponed again @GBMill@. Added functions *MinGens* and *... -
14:56 CoCoA-5 Feature #365 (Closed): add function to compute minimal generators (like Minimalize)
- *2014-04* added *MinGens*, *MinGensGeneral* (for ideals and submodules) *minimalize*, *minimalized* (for ideals)
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