Activity
From 29 Nov 2011 to 28 Dec 2011
23 Dec 2011
- 18:00 CoCoALib Support #70 (Closed): Index page for html documentation
- The two new index pages (by alpha and by topic) are no longer "tables" but simply "multicolumn" list.
CSS for mult... - 11:22 CoCoALib Support #70: Index page for html documentation
- alphabetical page should have a leaner structure (e.g. a plain list, maybe in 5 columns)
- 17:17 CoCoALib Feature #40: Squarefree factorization - Alessio d'Ali`
- Addendum: timing varies depending on the ring, just compare the following:
In a *BIVARIATE* ring... - 17:02 CoCoALib Feature #40: Squarefree factorization - Alessio d'Ali`
- John Abbott wrote:
> D'Ali` has also implemented the case for characteristic 0. Execution speed is competitive wi... - 17:05 CoCoALib Support #65: matrix - MatrixView
- JAA has created a new ex-matrix2.C
- 13:06 CoCoALib Feature #71: ZeroMat & FilledMat
- John Abbott wrote:
> ZeroMat & FilledMat are very similar. Should they be condensed into a single function?
Anna... - 12:18 CoCoALib Support #75: Documentation review by Caleo
- Alessandra asked what to look at next (possibly during the holidays):
* RingZZ
* RingQQ
* RingFp (3 versions)
* F... - 10:59 CoCoALib Support #75: Documentation review by Caleo
- Alessandra has checked the following parts:
* BigInt
* BigRat
* RingElem (& ring)
* matrix & MatrixView
* NumThe... - 10:55 CoCoALib Support #75 (Closed): Documentation review by Caleo
- Alessandra Caleo has volunteered(?!?) to review the CoCoALib documentation & examples.
This "issue" keeps track of... - 11:20 CoCoALib Support #76 (New): keywords in documentation
- We could add to each documentation page a "keyword" section.
A C++ program could elaborate them and generate an (htm...
22 Dec 2011
- 19:36 CoCoALib Bug #74 (New): printing polynomials
- ...
21 Dec 2011
- 19:10 CoCoALib Design #64: submat takes only vector<long>
- @submat(ConstMatView M, V1 rows, V2 cols)@
Do we require that @V1@ and @V2@ are the same type, or can they be differ... - 18:08 CoCoALib Bug #73 (Closed): Repeated rows/cols in submat
- Check code, and adjust doc so that submat does not allow repeated row/col indexes.
JAA thinks we should exclude re... - 18:02 CoCoALib Feature #72: MatByRows, MatByCols
- Even if we decide not to create MatByRows/MatByCols we should mention it in the documentation (_e.g._ under _Shortcom...
- 17:50 CoCoALib Feature #72 (Closed): MatByRows, MatByCols
- CoCoA4 has MakeMatByRows and MakeMatByCols.
Should CoCoALib offer MatrixViews which in an analogous way?
If so,... - 17:43 CoCoALib Feature #71 (Closed): ZeroMat & FilledMat
- ZeroMat & FilledMat are very similar. Should they be condensed into a single function?
JAA suggests having just o...
20 Dec 2011
- 18:25 CoCoALib Support #70 (Closed): Index page for html documentation
- I think the alphabetical index for the html documentation is not as useful as it should.
A more "immediate" index sh... - 12:20 CoCoALib Feature #41: Squarefree factorization - overhead
- For details see the task specific to D'Ali's contributions.
At some point JAA may translate D'Ali`'s implementatio... - 12:18 CoCoALib Feature #40: Squarefree factorization - Alessio d'Ali`
- JAA has been writing a short note where he uses a more flexible definition of sqfr factorization which allows any ref...
- 12:09 CoCoALib Feature #40: Squarefree factorization - Alessio d'Ali`
- Explained peculiar variation noted last time: simply that some of the test cases were much denser modulo certain prim...
- 11:40 CoCoALib Feature #69: p-th root
- Also want a convenient way of computing p-th roots of polys over a field of finite characteristic.
- 11:38 CoCoALib Feature #69 (Closed): p-th root
- Fields of finite characteristic need a p-th root function.
It won't be easy implementing this in general; the case...
16 Dec 2011
- 17:33 CoCoALib Feature #68: cleanup doc for matrix, MatrixViews, *Matrix*,....
- *Is it possible to set a "label" and have a link to a "label" with t2t?*
The answer is "yes" (just to (sub)section ti...
15 Dec 2011
- 12:53 CoCoALib Feature #68 (Closed): cleanup doc for matrix, MatrixViews, *Matrix*,....
- avoid duplication of documentation: write doc only in the most appropriate file X and add list of functions and link ...
- 12:42 CoCoALib Bug #67 (Closed): Rename MatrixViews
- rename file so that it has the same name as the class (MatrixView)
- 12:33 CoCoALib Support #66 (Closed): BigInt - NumTheory
- as for Matrix/MatrixView, function documented in *@NumTheory@* should be mentioned in the documentation on *@BigInt@*...
- 12:08 CoCoALib Support #65 (Closed): matrix - MatrixView
- Explain the difference between *matrix* and *MatrixView*
- 12:03 CoCoALib Design #64 (Closed): submat takes only vector<long>
- ...
- 11:10 CoCoALib Bug #63 (Closed): Add links to examples in documentation
- still missing:
matrix
13 Dec 2011
- 15:31 CoCoALib Feature #62 (Closed): polynomial coefficient extraction w.r.t. single variable -- dense output
- Given a polynomial f and an indet x, produce a vector of the coeffs of f when viewed as a poly in x. The resulting v...
- 15:24 CoCoALib Feature #61 (Closed): Conversion functions -- documentation
- The conversion functions available, and the corresponding documentation are out of sync. Decide which functions we d...
07 Dec 2011
- 17:06 Bug #60 (Closed): MSVC10 - shared_ptr
- Apparently Visual Studio has its own shared_ptr (in view of C++11?), so it complains about calls of boost::shared_ptr...
- 10:13 CoCoALib Support #59 (New): List of all functions in CoCoALib
- It would be nice to be able to generate (automatically!) a list of all functions in CoCoALib and the file where they ...
- 09:51 Bug #58 (Closed): MSVC10 - more things and overhead
- Other easier tasks for portability to Visual Studio.
- 09:42 Bug #57 (Closed): MSVC10 - BOOST_SCOPE_EXIT
- With Visual Studio there are problems with BOOST_SCOPE_EXIT and this alternative is proposed (thanks to Bruno Simoes)...
- 09:34 Bug #56 (Closed): MSVC10 - unistd.h
- Is unistd.h only for "unix-like" systems?
There are problems with Visual Studio and other includes are needed instead. - 09:29 Bug #55 (Closed): MSVC10 - static member fields
- In many .C files we have
const int MantExp::ourDefaultSigFig; // pointless but necessary
but Visual Studio c... - 09:20 Bug #54 (Closed): MSVC10 - #include <iterator>
- In many files it complains for missing
#include <iterator>
is that right? - 09:15 Bug #53 (Closed): MSVC10 compilation
- Changes for compilation with Visual Studio (MS Windows)
06 Dec 2011
- 14:14 CoCoALib Feature #41: Squarefree factorization - overhead
- Weekly meeting with D'Ali`.
His impl of Bernardin's method is largely complete, and seems to work fine in tests.
... - 12:49 CoCoALib Feature #40: Squarefree factorization - Alessio d'Ali`
- D'Ali` has almost finished refinement and testing of his impl of Bernardin's algm.
He will check the details about th...
05 Dec 2011
- 18:27 CoCoALib Bug #36 (Closed): Saturation
- 17:42 CoCoALib Bug #36 (Resolved): Saturation
- 14:07 CoCoALib Bug #36: Saturation
- Use QQ[x,y];
I:=ideal (x);
J:=ideal(x,y);
Saturation(I,J);
01 Dec 2011
- 18:37 CoCoA-5 Bug #52 (Closed): GUI: problem with "--" comment
- When copying and pasting into the interactive windows *sometimes* all newlines after a "--" comment are ignored. Two...
30 Nov 2011
- 17:42 CoCoALib Feature #51 (Closed): polynomial coefficient extraction w.r.t. variable
- Given a multivariate polynomial and an indet X (or set of indets?)
Produce a list(?) of "coeffs" w.r.t. X; probably ... - 17:38 CoCoALib Feature #50 (Closed): Polynomial content
- New function(s) to compute content of a poly w.r.t. a given indet.
In which ring does the result lie?
* if poly i... - 17:34 CoCoALib Feature #49 (Closed): Squarefree factorization - multivariate polynomials, char p > 0
- Conceptually trickier than char=0 case because we must handle:
* inseparable polys whose derivative is 0 but which a... - 17:31 CoCoALib Feature #48 (Closed): Squarefree factorization - multivariate polynomials, char 0
- No obvious new conceptual problems. Efficiency may be an issue. Consider modular approach?
What happens if coeff... - 17:28 CoCoALib Feature #47 (Closed): Squarefree factorization - multivariate polynomials
- A bit tricker than univariate. Seems to need content-free factorization.
- 17:26 CoCoALib Feature #46 (Closed): Squarefree factorization - univariate polynomials, char p > 0
- We consider only the case of prime characteristic.
Needs more care than char=0 case because:
* p-th power of a po... - 17:22 CoCoALib Feature #45 (Closed): Squarefree factorization - univariate polynomials, char 0
- Conceptually the simplest case.
We might want to investigate a modular approach.
- 17:20 CoCoALib Feature #44 (Closed): Squarefree factorization - univariate polynomials
- For the case of sqfr factorization of univariate polynomials, it is easy to obtain the coarsest sqfr factorization.
- 17:18 CoCoALib Feature #43 (Closed): Squarefree factorization - for polynomials
- Sqfr factorization in a polynomial ring (with coeffs in a field) is the case we are most interested in.
- 17:16 CoCoALib Feature #42 (Closed): Squarefree factorization - generic case
- Squarefree factorization can be effected in any ring where (irreducible) factorization is possible.
The default be... - 16:56 CoCoALib Feature #40: Squarefree factorization - Alessio d'Ali`
- d'Ali` has completed a first impl of Bernardin's algorithm.
Ported to C5 by JAA. Tests taken from Bernardin's paper... - 16:17 CoCoALib Feature #40 (Closed): Squarefree factorization - Alessio d'Ali`
- Alessio d'Ali` is implementing some stages of the squarefree factorization task, under the supervision of John Abbott...
- 16:21 CoCoALib Feature #41: Squarefree factorization - overhead
- Managing redmine.
Meeting with d'Ali`; also emails etc.
Writing first draft of CoCoA report on squarefree factoriza... - 16:19 CoCoALib Feature #41 (Closed): Squarefree factorization - overhead
- Management and sundry other tasks related to the implementation of squarefree factorization
- 16:04 CoCoALib Feature #39 (Closed): Squarefree factorization
- Implement squarefree factorization (most especially for polynomial rings).
This is just a parent task; it has many... - 16:00 CoCoALib Feature #17: implement "binomial" (coefficient) for RingElem
- Please clarify what exactly you want the function to do, and what values it accepts as args. For instance is the fol...
- 09:39 CoCoA-5 Bug #38 (New): GUI: open file "with C5"
- Se prepari un file con CoCoA-5, lo salvi, quitti CoCoA-5
e imponi al file di aprirsi (open with) con CoCoA-5, quand... - 08:31 CoCoALib Feature #37: matrix constructors
- JAA: C4 has a function for creating an identity matrix. It also has a means of creating a zero matrix (of specified ...
- 08:25 CoCoALib Feature #37 (Closed): matrix constructors
- Comments about matrix constructors: mainly "ring or not ring?"
*IdentityMat(QQ,2)*, *ZeroMat(QQ,2,4)*, *ConcatHor*...
29 Nov 2011
- 16:39 CoCoALib Bug #36 (Closed): Saturation
- Use QQ[x,y];
I:=Ideal(x,y-1);
J:=Ideal(x,y-2);
Saturation(I,J);
ideal(1)
La risposta giusta è Ideal(x,y-1) oss... - 16:09 CoCoA-5 Bug #33 (Closed): Modify the packages so that -w3 produces no warnings during start-up
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