Activity
From 27 May 2013 to 25 Jun 2013
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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- Add new iters for subsets/tuples.
[JAA see file @ShortTerm/oscar.C@] -
- 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_... -
- 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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- 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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- modify the current design (hp.cpkg5) to reflect the decision made for CoCoALib.
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- Now that we have *RingQQt(n)* clean up older tentatives....
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- Christof Soeger wrote:
> Anna Maria Bigatti wrote:
> > ... what about *@RingQQt(n)@*? That is pretty self-explanat... -
- New name implemented & checked-in.
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- Anna Maria Bigatti wrote:
> ... what about *@RingQQt(n)@*? That is pretty self-explanatory and flexible ;-)
Yes ... -
- Christof Soeger wrote:
> I spoke with W.Bruns about a name for the ring. One suggestion is PolynomialInvarianceRing ... -
- After "use" the interpreter expectes the special poly ring constructor, such as @QQ[x,y]@, with the unconventional me...
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- 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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- requested by Marie Ermete and Susan Cooper
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- port also @IdealOfProjectivePoints@
17 Jun 2013
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- fixed really subtle bug in myResize()...
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- I spoke with W.Bruns about a name for the ring. One suggestion is PolynomialInvarianceRing (or a shortened form) inst...
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- Design:
new class *HilbertSeries*: member fields
*myNum* RingElem and *myDenFactors* factorization.
Constructors... -
- I changed the code in OnlineHelp.C so that syntax is displayed first (2013-02).
It would be worth having the syntax ... -
- first implementation and some tests and documentation.
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- Add functions for deleting row and cols from matrices (no throw guarantee)
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- Added a reasonable impl of *@IsFactorClosed@* to the package @monomial_ideals.cpkg5@.
Added doc to CoCoAManual.
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14 Jun 2013
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13 Jun 2013
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- 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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- translate LinearSimplify package to CoCoA-5
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12 Jun 2013
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- slight improvement (at cocoaschool 2013)
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- fixed "OnlineHelp.C" and improved entry for "CartesianProduct" in CoCoAHelp.xml
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11 Jun 2013
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- TgCone is not efficient, but it does what it should. Document it (Anna).
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- *LF* is the *leading form*. As for the other _leading_ functions it throws an error if the polynomial is 0.
*DF* is... -
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- Might require some thoughts about @GBMill@
*2014-04-02* postponed again @GBMill@. Added functions *MinGens* and *... -
- *2014-04* added *MinGens*, *MinGensGeneral* (for ideals and submodules) *minimalize*, *minimalized* (for ideals)
06 Jun 2013
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- added documentation and tests
04 Jun 2013
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- John Abbott wrote:
> * @IsIn@
> * equality test
added *IsElem*, *IsContained* for (sub)modules, and then *IsIn* and ... -
- mostly done, needs cleaning
03 Jun 2013
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- It might be worth moving the impl into its own *separate file*: this would remove the need to include @vector@ in the...
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- The code was effectively tested while updating the article. So I'm regarding it as OK. Closing!
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- Might be able to talk about this in Osnabruck...
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- Why are the ctor and the mem fn @FastCmp@ inline?
Now that the components of the degree vector are @BigInt@, I doubt ... -
- I would like to have a command for incrementing a counter; and probably another for decrementing.
So instead of wr... -
- Currently CoCoA-5 accepts syntactically the following input...
31 May 2013
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- This is not urgent for 0.9953 so moving to 0.9954.
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- Simply "moving" the issue to 0.9954 so we remember to do valgrind again.
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- 2013-05-30 all tests clean!
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- Since the actual changes I had to make were minimal (i.e. we had anyway used @long@ for almost all instances of indic...
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- Added a comment in the newly organized installation guides (see @INSTALL-advanced.txt@). There is no perfect answer ...
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- Such a function would be helpful now. If we allow automatic conversion of RingElems in the future (seems quite likel...
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- similar function in cocoalib is *HasUniqueOwner*
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- John Abbott wrote:
> JAA still prefers the name *@BlockMat@* to the unwieldy @MultiBlockMat@.
> New issue for 5.0.4... -
- JAA still prefers the name *@BlockMat@* to the unwieldy @MultiBlockMat@.
New issue for 5.0.4??
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- Final decision is to make it public because it is indeed quite handy
(but has an uneven behaviour on rows and cols a... -
- added example in manual.
30 May 2013
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- done, tested, documented, cvs-ed, published cocoa-5 (for macos-10.6)
(cocoalib code is a bit fragile, but it's a pre... -
- The design principle is that indices should be of type @long@; note that this *includes* _size specifications_ given ...
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- I have checked/modified all the following:
* matrix indices
* PPMonoid indet indices
* PolyRing indet indices
* @... -
- I am rejecting this task since it is effectively covered by #89 which deals with indices in general; and it seems sim...
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- done and tested.
29 May 2013
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- Implement in as many cases as possible *IsZeroDivisor*
(see related issue for CoCoALib) -
- First implementation done, can be improved with "IsIntegralDomain3"
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- John Abbott wrote:
> Anna could you help me with this? It should be quick and easy once you know what to do.
OK,... -
- Anna could you help me with this? It should be quick and easy once you know what to do.
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- This is neither urgent nor necessary for CoCoA School, so I'm postponing it.
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- No chance of finishing this in time for CoCoALib-0.9953/CoCoA School 2013.
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- No hope of finishing this in time for 0.9953/CoCoA School 2013.
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- JAA has effected the "transplant". All the code should become totally obsolete when the proper new impl has been mad...
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- This has been in feedback for 2 months without problems (and it has been used).
It may well become largely obsolet... -
- The stopgap impls will have to suffice for 0.9953/CoCoA School as there's no chance of completing a proper impl in ti...
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- No troubles after 2 months in "feedback", so closing.
I have improved the doc slightly (added a couple of missing co... -
- I'm closing this even though strictly speaking there are no tests for @BinomialRepr@.
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- To *Anna:* I think this can be closed. There are tests.
However doc is rather thin; also there is no clear distincti... -
- We should implement functions like *IsPrime3* which returns true3/false3 if it easy to calculate, or already calculat...
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- JAA now thinks it is better to offer both @MatByRows@ and @MatByCols@ so that user code is more readable (& expresses...
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- C++11 offers some convenient ways of creating a @std::vector@ containing explicitly given elements. Right now I do n...
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- Since this change entailed just moving some files (& some minor changes to a @Makefile@ here and there), I am letting...
28 May 2013
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- In general mem fns will have args f type *@long@* (rather than @MachineInt@) because assume that only "experts" call ...
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- Forgot to update status & %done. OK now.
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- No complaints in the last month (but then again Bruno has left...).
It should all be sorted out now, so I'm closing ... -
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- This issue has been in feedback for about 2 months; no problems have surfaced, so I'm closing the issue.
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- Added doc, an example and a simple test.
Closing this issue. -
- fixed bug on shifts
added test
CVS'ed
27 May 2013
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- This issue has been in "feedback" for 4 months, and no problems has arisen. So I'm closing it.
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- The main issue has been satisfactorily resolved for a year or so.
The question about "normalization" (in post 3) i... -
- What do we want to do with the @CoCoAServer@ in the future? It has been "dormant" for a long time!
*We gather her... -
- Conducted final check ==> some "cosmetic changes".
Added an example program @ex-SmallFp1.C@
Closing this issue.
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- It is often useful to know whether all elements in a list belong to the same ring.
A function of this kind was *Ring...
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