Activity
From 16 Nov 2016 to 15 Dec 2016
14 Dec 2016
- 11:40 Feature #993 (In Progress): New function: RingQQi()? extension of QQ with imaginary unit
- It would be handy to have @RingQQi()@ (or @NewRingQQi()@).
Very simple to do in CoCoA5 (in this case it has to be ...
13 Dec 2016
- 16:53 Design #990: CoCoA-5 distribution: tidying
- I think it is probably better to copy explicitly the files we want in the distribution, rather than copy everything a...
08 Dec 2016
- 20:08 Slug #991: make htmldoc always recreates everything (even if no change was made)
- The files to check for changes should be @CoCoAHelp.xml@, @aux-files/GUI_help.xsl@, and the files in @aux-files/GUI-e...
- 13:13 Slug #991: make htmldoc always recreates everything (even if no change was made)
- It may be enough to create (using @touch@?) two sentinel files: one immediately before producing all the HTML files, ...
- 13:10 Slug #991 (Closed): make htmldoc always recreates everything (even if no change was made)
- It is mildly annoying that the @htmldoc@ target is always rebuilt even if there was no change to the file @CoCoAHelp....
07 Dec 2016
- 07:53 Design #990: CoCoA-5 distribution: tidying
- John Abbott wrote:
> I imagine that @README@ is not needed; all the permissions look wrong to me!
@README@ shoul...
05 Dec 2016
- 15:01 Design #990: CoCoA-5 distribution: tidying
- I am trying to write a @make install@ target for CoCoA-5, and this involves copying the manual.
Rather than blindly ... - 14:55 Design #990 (In Progress): CoCoA-5 distribution: tidying
- I have noticed that several files inside our source tree have wrong permissions:
* all @source.C@ files should have ... - 14:50 Design #990 (Closed): CoCoA-5 distribution: tidying
- I have had a quick look at the files in the distribution of CoCoA-5.1.5, and I think some tidying is needed.
* Sever...
01 Dec 2016
- 11:36 Design #989 (In Progress): init file obligatory?
- If it can be done quickly, I see no objection to having a *@--no-packages@* option.
I am not entirely happy about ... - 11:32 Feature #988 (Resolved): Makefile: install target for cocoa5
- I have opted to use a symbolic link from @/usr/local/bin/cocoa5@ to the actual script which does the work (_e.g._ @/u...
30 Nov 2016
- 23:35 Bug #755: Find out how to compile statically on linux
- I have built what seems to be a portable 32-bit executable of @CoCoAInterpreter@ on the Linux VM (on my old MacBook)....
- 21:23 Feature #988 (In Progress): Makefile: install target for cocoa5
- I now think that it might be simpler to make @/usr/local/bin/cocoa5@ a (symbolic?) link to @/usr/local/bin/cocoa-5.1....
- 21:13 Feature #988: Makefile: install target for cocoa5
- I have just checked in a first attempt at making an @install@ target for CoCoA-5.
Currently the destination director... - 07:42 Design #989: init file obligatory?
- When I added @init.cocoa5@ I did not consider the possibility of calling cocoa passing explicitely an empty directory...
- 07:34 Design #989: init file obligatory?
- John Abbott wrote:
> In my tree @init.cocoa5@ contains 9 lines, but only 2 (or perhaps 3) actually do anything usefu...
29 Nov 2016
- 23:23 Design #989: init file obligatory?
- The critical section of source code appears to be around line 126 of @Main.C@.
(call to @perror@)
- 23:12 Design #989: init file obligatory?
- In my tree @init.cocoa5@ contains 9 lines, but only 2 (or perhaps 3) actually do anything useful.
I suggest keepin... - 23:10 Design #989: init file obligatory?
- I found this while trying to create a "quick start" CoCoA-5 by giving it an empty directory as the place to look for ...
- 23:04 Design #989 (In Progress): init file obligatory?
- Currently the @CoCoAInterpreter@ requires that there be a file @init.cocoa5@ in the same directory as the packages.
... - 23:19 Bug #755: Find out how to compile statically on linux
- Has the blas-free version been put on the website?
- 23:17 Support #322: Installation instructions (on website)
- The instructions for installing CoCoA-5 on linux still need improvement!
* what to do with the file @cocoa-XYZ.tar... - 18:32 Feature #988: Makefile: install target for cocoa5
- This will be a little complicated because we need to install both the executable and the packages, and also tell the ...
- 18:19 Feature #988 (Closed): Makefile: install target for cocoa5
- Zoltan kovacs would like to install both CoCoALib and CoCoA-5.
Currently the @install@ target in the Makefile instal...
28 Nov 2016
- 13:52 Support #985: Microsoft (Windows 10, maybe other versions): more help for installation
- Ablamovicz's email was sent on 2016-11-28.
It might be enough to supply a simple *@example.cocoa5@* file which can... - 13:48 Support #985 (New): Microsoft (Windows 10, maybe other versions): more help for installation
- Recently Rafal Ablamowicz reported problems with installing CoCoA-5 (with emacs) on a windows 10 computer.
He had ...
26 Nov 2016
- 18:08 Design #984: GroebnerFanIdeals: order matrices sometimes have "large" entries
- I noticed that in this example the order matrices always have strictly positive entries in the first row. Are zeroes...
- 18:02 Design #984: GroebnerFanIdeals: order matrices sometimes have "large" entries
- Here is the same example as in issue #973...
- 17:51 Design #984 (In Progress): GroebnerFanIdeals: order matrices sometimes have "large" entries
- After using @GroebnerFanIdeals@, I noticed that some order matrices can have quite "large" entries (_e.g._ greater th...
- 17:46 Design #917: CallOnGroebnerFanIdeals: better to use an iterator (or a "stream")
- After recently delving into the source code for the interpreter to handle interrupts as I'd originally intended, I am...
25 Nov 2016
- 17:28 Bug #981: SqFreeFactor: small (or big) bug?
- Works on other examples (used in factorization over algebraic extensions).
Thanks! great! - 16:59 Bug #981: SqFreeFactor: small (or big) bug?
- Added Anna's example to CoCoA-5 @tests/exbugs.cocoa5@. Checked in.
- 16:46 Bug #981 (Resolved): SqFreeFactor: small (or big) bug?
- I have modified @SparsePolyRingBase::myGCD@ to handle specially only if coeffs are @IsRingFp@; previously it just tes...
- 16:22 Bug #981 (Closed): SqFreeFactor: small (or big) bug?
- This example gives error (others seem to work fine)...
24 Nov 2016
- 19:12 Feature #980: CoeffSize: function to measure the size of coeffs in a poly
- Maybe the one I wrote could then be called @NumDenSize10@?
I still think it is useful, for a human, to know that. - 19:01 Feature #980: CoeffSize: function to measure the size of coeffs in a poly
- Anna has put a first prototype in @experimental.cpkg5@; it follows the original defn. It is deliberately not documen...
- 18:51 Feature #980: CoeffSize: function to measure the size of coeffs in a poly
- The definition originally proposed in email was to return a pair of integers being effectively @[max(FloorLog10(num(c...
- 18:38 Feature #980 (In Progress): CoeffSize: function to measure the size of coeffs in a poly
- In email Anna proposed a function, tentatively named @CoeffSize@, to measure the size of the coeffs in a poly (over @...
- 13:46 Slug #405 (Feedback): ReducedGBasis not memorized in an ideal
- GBasis is now exactly ReducedGBasis.
(still an error on RingWeyl, though, where it is not interreduced) - 13:43 Slug #405: ReducedGBasis not memorized in an ideal
- John Abbott wrote:
> [translated from an email written in italian]
>
> Here is a potentially important point. Fo... - 13:13 Slug #405: ReducedGBasis not memorized in an ideal
- [translated from an email written in italian]
Here is a potentially important point. For simplicity I consider th... - 13:05 Slug #405: ReducedGBasis not memorized in an ideal
- Anna now reports that @GBasis@ actually produces an irredundant fully reduced GBasis; the only step missing for makin...
- 13:02 Support #977: "universal denominator" (related with GroebnerFanIdeals)
- I now think that the "universal" denominator is valid for any monic basis which contains a RGB as subset (since the o...
23 Nov 2016
- 16:44 Support #977: "universal denominator" (related with GroebnerFanIdeals)
- I wonder how "universal" @UniversalRGBDenom@ is? Does it also apply to all Janet Bases? And Pommaret Basis (if it e...
- 13:32 Support #977: "universal denominator" (related with GroebnerFanIdeals)
- John Abbott wrote:
> The name *@UniversalRGBDenominator@* is OK for me.
>
> I note that there are already two "de... - 12:19 Support #977: "universal denominator" (related with GroebnerFanIdeals)
- The name *@UniversalRGBDenominator@* is OK for me.
I note that there are already two "denominator" functions: *@de... - 07:41 Support #977: "universal denominator" (related with GroebnerFanIdeals)
- John Abbott wrote:
> I'm still hoping to find a better name than @UniversalDenominator@; I feel that it ought to con... - 13:55 Support #973 (Feedback): GroebnerFanIdeals: verbosity and output style
- Now prints "*" with verbosity >=10 /// updated...
- 08:53 Support #973: GroebnerFanIdeals: verbosity and output style
- Added @GroebnerFanReducedGBases@.
For the "*" I could use the new "VerbosityLevel". Working on it.
22 Nov 2016
- 15:34 Support #977: "universal denominator" (related with GroebnerFanIdeals)
- I have implemented @SmallestNonDivisor@ (see #979).
I'm still hoping to find a better name than @UniversalDenomina... - 07:42 Support #977: "universal denominator" (related with GroebnerFanIdeals)
- The other functions should be called @UniversalDenominator(I)@ and @SmallestExcellentPrime(I)@.
- 13:09 Support #973: GroebnerFanIdeals: verbosity and output style
- Out of curiosity.... Does GFan produce order matrices with smallest possible non-negative entries?
In the example fr... - 11:25 Support #973: GroebnerFanIdeals: verbosity and output style
- I have rewritten the man page for @GroebnerFanIdeals@ (and already checked in, if I recall correctly).
- 07:36 Support #973: GroebnerFanIdeals: verbosity and output style
- Anna Maria Bigatti wrote:
> One possibility, for small examples (or for convincing the user it is not a good idea ;-... - 07:32 Feature #964: New function: MakeMultiset?
- John Abbott wrote:
> What applications do you have in mind?
I haven't yet replied because I cannot remember... I ...
21 Nov 2016
- 14:44 Support #973: GroebnerFanIdeals: verbosity and output style
- John Abbott wrote:
> I think the confusion came from the way the documentation is worded.
>
> I have rerun the ex... - 14:27 Support #973: GroebnerFanIdeals: verbosity and output style
- I think the confusion came from the way the documentation is worded.
I have rerun the example from comment 2, and ... - 09:40 Support #973: GroebnerFanIdeals: verbosity and output style
- It would be nice to have as result the list of ideals *generated* by the reduced GBases, but in that way (in CoCoA-5!...
- 14:41 Feature #978: CommonDenom: for polys and lists?
- Some aspects to consider when deciding the semantics:
* we may assume that the result is positive (if coeffs in @QQ@... - 14:34 Feature #978: CommonDenom: for polys and lists?
- In fact there is already an undocumented builtin fn called @CommonDenom@, but only for RINGELEM. The fn also exists ...
- 14:32 Feature #978 (Closed): CommonDenom: for polys and lists?
- Should there be a function called *@CommonDenom@* (or something similar)?
For polynomials? For lists of polynomials? - 09:47 Support #977: "universal denominator" (related with GroebnerFanIdeals)
- I copied John's code for further experiments in our working dir MinPoly2016, file @Deltone.cocoa5@. CVS-ed
- 09:36 Support #977: "universal denominator" (related with GroebnerFanIdeals)
- By John Abbott:
Robbiano suggested that it could be interesting to find the first (or at least a smallish) good pr... - 09:35 Support #977: "universal denominator" (related with GroebnerFanIdeals)
- By John Abbott:
Does this code correctly compute the "universal denominator" for the ideal I?... - 09:33 Support #977 (In Progress): "universal denominator" (related with GroebnerFanIdeals)
- [Coming from our recent work on MinPoly]
It would be interesting to investigate the "universal denominator" of an id...
18 Nov 2016
- 22:20 Feature #865: Implicit: make easier to use with rational functions
- Is there any reasonable chance of finishing this for the upcoming version? Or should we postpone it?
- 22:14 Bug #755: Find out how to compile statically on linux
- Michael Wheat reports that Anna's compilation (without libblas) works fine for him.
Does that mean we can make pro... - 22:10 Feature #964: New function: MakeMultiset?
- What applications do you have in mind?
In some ways it is not so different from a "factorization".
- 22:02 Support #973 (In Progress): GroebnerFanIdeals: verbosity and output style
- moved to #977
Robbiano suggested that it could be interesting to find the first (or at least a smallish) good prim... - 21:54 Feature #744: Handle interrupts more helpfully
- The GUI seems to work tolerably well too.
There is a problem with underlining some expressions, but that problem e... - 20:50 Feature #744 (Resolved): Handle interrupts more helpfully
- I have just checked in a version of CoCoA-5 that should handle interrupts more nicely.
I have added a new handler ...
17 Nov 2016
- 22:52 Support #973: GroebnerFanIdeals: verbosity and output style
- moved to #977
Does this code correctly compute the "universal denominator" for the ideal I? (...)
- 16:25 Support #973: GroebnerFanIdeals: verbosity and output style
- John Abbott wrote:
> I tried @GroebnerFanIdeals@ on the following input:
> [...]
> The resulting list @GF@ has 195... - 15:32 Support #973: GroebnerFanIdeals: verbosity and output style
- I tried @GroebnerFanIdeals@ on the following input:...
- 15:28 Support #973: GroebnerFanIdeals: verbosity and output style
- I have given this a higher priority because I think it will be quick and easy to resolve.
@Anna: can you do it? (b... - 15:27 Support #973 (Closed): GroebnerFanIdeals: verbosity and output style
- Two mild criticisms:
* it prints out an asterisk for each fan ideal found
* the generators of the ideals are not mo...
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