Activity
From 08 Jan 2014 to 06 Feb 2014
06 Feb 2014
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14:46 CoCoA-5 Slug #434: Emacs UI: very slow when input file is big (with long lines)
- I created a 3Mbyte file with short lines (100 copies of the code in @radical.cpkg@). There was some slow down, but q...
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14:22 CoCoA-5 Slug #434: Emacs UI: very slow when input file is big (with long lines)
- The problems of serious slow down occur only when the cursor is towards the end of the file -- response is normal whe...
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13:49 CoCoA-5 Slug #434 (New): Emacs UI: very slow when input file is big (with long lines)
- Emacs has become very slow as I edit a large (3Mbyte) @file.cocoa5@.
The file contains several quite long lines (u... -
10:23 CoCoA-5 Bug #433: EMACS UI: trouble with sending a long line
- My idea to use @SourceRegion@ has a (minor?) technical problem: it implies that the buffer be saved to the associated...
05 Feb 2014
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00:06 CoCoA-5 Bug #433 (Closed): EMACS UI: trouble with sending a long line
- Sending a long line to CoCoA-5 inside Emacs does not work: CoCoA gets stuck and simply prints out lots of ^G. I beli...
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23:55 CoCoA-5 Feature #381: Emacs User Interface: Easier binding for sending a line to cocoa-5
- Could you also define some other key sequences? For instance,
C-c RET
C-c C-RET
The advantage of defining both ...
04 Feb 2014
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19:42 CoCoALib Bug #413: OrdvArith: use of a single buffer is NOT THREADSAFE
- On our compute server with 20 threads the performance was about 5% better with the OpenMP adaptation for some medium ...
03 Feb 2014
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18:53 CoCoALib Feature #222: Printing polynomials - spaces between terms
- I notice in @SparsePolyRing.C:551@ that there is a check via @IsPrintAtom@. The documentation says _true iff arg doe...
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18:24 CoCoALib Feature #222: Printing polynomials - spaces between terms
- In note 6 I unwittingly overlooked some (important?) points: for instance I did not consider compound coefficients in...
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17:37 CoCoALib Bug #413: OrdvArith: use of a single buffer is NOT THREADSAFE
- CVS
time nmzIntegrate -E CondEffPlurSymm-100
nmzIntegrate -E CondEffPlurSymm-100 218,09s user 0,69s system 385% cpu... -
12:43 CoCoALib Bug #413: OrdvArith: use of a single buffer is NOT THREADSAFE
- OK, I'll try to rewrite it -- maybe even this afternoon while invigilating!
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11:47 CoCoALib Bug #413: OrdvArith: use of a single buffer is NOT THREADSAFE
- I did some tests and the timings were exactly the same. So I checked again. I only have a version which still include...
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11:07 CoCoALib Bug #413: OrdvArith: use of a single buffer is NOT THREADSAFE
- Yes, I still have it and will give it a try.
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15:27 CoCoALib Design #432: Semantics of IsPrintedWithMinus
- Anna rightly asked how should TwinFloats be handled.
Right now, I'm undecided. I'm quite sure that any polynomial... -
12:49 CoCoALib Design #432 (In Progress): Semantics of IsPrintedWithMinus
- If we follow the suggestion in note 6 of issue #222 then we need to define @IsPrintedWithMinus@ only for numerical ri...
01 Feb 2014
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10:20 CoCoALib Feature #222: Printing polynomials - spaces between terms
- I would prefer a symmetric appearance, either no space around the + sign or a blank on bothsides.
But it is a mat...
31 Jan 2014
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20:32 CoCoALib Feature #222: Printing polynomials - spaces between terms
- This issue has been sitting idle for a year. We should decide, and then implement!
*Addendum:* JAA thinks that a le... -
20:29 CoCoALib Design #432 (In Progress): Semantics of IsPrintedWithMinus
- We should clarify what the semantics of @IsPrintedWithMinus@ are.
I suggest that if @IsPrintedWithMinus(x)@ gives ... -
20:25 CoCoALib Design #429 (In Progress): factorization: public data fields, or mem fns allowing the fields to be updated.
- John and Anna talked about Christof's proposal, and both believe it is a good idea! :-)
John will look at existing... -
20:17 CoCoALib Bug #413 (Feedback): OrdvArith: use of a single buffer is NOT THREADSAFE
- @Christof, I have unclosed the issue because Anna proposed to redo your long computation using impl *(B)*, just to co...
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19:47 CoCoALib Feature #431 (Resolved): NewPolyRing_DMPI has no constructor with a predefined PPM
- Wow I wrote something that actually works?? :-)
Bonus extra 10% for this issue :-)
Now I'll have to write a test,... -
11:16 CoCoALib Feature #431 (In Progress): NewPolyRing_DMPI has no constructor with a predefined PPM
- John implemented it. Works for me.
30 Jan 2014
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18:59 CoCoALib Bug #413 (Closed): OrdvArith: use of a single buffer is NOT THREADSAFE
- Several test were successful. I consider it as done.
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18:57 Bug #238 (Feedback): Cleaner CVS?
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11:04 Bug #238: Cleaner CVS?
- It looks much cleaner now.
I'm not sure how the .cvsignore works but maybe you want to add the Makefile_dependencies... -
17:18 CoCoALib Feature #342: Remove denominators: QQ[x] -> ZZ[x] (and PushBack(coeff, PP))
- Anna pointed out that is already a fn *@ClearDenom@* which does almost what is wanted: it multiplies the polynomial b...
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17:02 CoCoALib Feature #209 (Feedback): ReadExpr: input polynomials in CoCoALib
- Official part of CoCoALib now.
Even with example in
example/ex-PolyInput2.C
(still missing: documentation)
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14:10 CoCoALib Feature #209 (Resolved): ReadExpr: input polynomials in CoCoALib
- Example program is done and working fully:
reads any kind expression with + - * / ^ ()
They key was John Abbott's... -
16:36 CoCoALib Feature #431 (Closed): NewPolyRing_DMPI has no constructor with a predefined PPM
- We would like to do ...
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16:30 CoCoALib Feature #407: RingElem ctor from mpz_t (from Bruns)
- To summarize, there are now the following constructors:...
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14:01 CoCoALib Feature #430: Use -fopenmp flag when compiling CoCoALib with libnormaliz
- For me it now works fine. With and without libnormaliz.
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10:38 CoCoALib Feature #430: Use -fopenmp flag when compiling CoCoALib with libnormaliz
- without --with-libnormaliz it still tries to check and get
nm: '': No such file -
09:39 CoCoA-5 Feature #78: Elim ordering and matrix ordering in CoCoA-5
- Just an idea... it might be nice if the matrix created contained only non-negative entries (_e.g._ it is easy to have...
29 Jan 2014
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19:50 CoCoALib Design #254 (Resolved): How to return a Hilbert Series in CoCoALib
- Now all essentially set.
One thing to decide: factorization of denom is now arbitrary:
Normaliz uses a compact form... -
19:17 CoCoA-5 Feature #270: Distribution for linux
- I suggest generalizing this issue to simplifying the _make a distribution_ process on any platform. There should be ...
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17:51 Bug #238: Cleaner CVS?
- JAA has removed all @Makefile_dependencies@ from CVS.
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16:41 Bug #238: Cleaner CVS?
- In the CoCoA5 dir also @C5Makefile@ is created (together with C5.pro) and depend on @autoconf.mk@.
So I suggest to re... -
17:48 CoCoALib Feature #218 (In Progress): CoCoALib normaliz interface
- added HilbertSeries and multiplicity functions
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16:47 CoCoALib Feature #430 (Feedback): Use -fopenmp flag when compiling CoCoALib with libnormaliz
- Resolved the outstanding problem -- the flag had to passed correctly to @qmake@.
JAA has fixed the @make-c5makefile.... -
16:08 CoCoALib Feature #430 (In Progress): Use -fopenmp flag when compiling CoCoALib with libnormaliz
- JAA has written a new script, and added a suitable call to @configure@.
Christof confirms that it works for him, exc... -
15:38 CoCoALib Feature #430 (Closed): Use -fopenmp flag when compiling CoCoALib with libnormaliz
- Right now libnormaliz can be included to CoCoALib only without using OpenMP. We did it this way to have an easier sta...
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14:48 CoCoALib Feature #342: Remove denominators: QQ[x] -> ZZ[x] (and PushBack(coeff, PP))
- Regarding the conversion @QQ[x]@ to @ZZ[x]@ clearing denominators, JAA thinks the following is a reasonable approach:...
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13:55 CoCoALib Feature #407 (Feedback): RingElem ctor from mpz_t (from Bruns)
- After discussing with Anna and Christof...
* We *reject the idea of using a "marker"* because it is cumbersome, also... -
12:27 CoCoALib Bug #149: Makefile dependencies
- JAA believes the correct approach is to have separate dependencies for *internal* dependencies and for *external* dep...
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11:59 CoCoA-5 Feature #204: NmzComputation: the powerful NormalizComputation function in CoCoA-5
- And it also works with gradings:...
28 Jan 2014
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18:18 CoCoALib Design #429 (Closed): factorization: public data fields, or mem fns allowing the fields to be updated.
- Christof was surprised to see that the data fields in a @factorization@ are publicly modifiable. He suggested having...
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18:04 CoCoALib Design #254: How to return a Hilbert Series in CoCoALib
- Anna Maria Bigatti wrote:
> Constructors:
> (RingElem num, factorization<RingElem> DenFactors) -- general
> (vecto... -
18:04 CoCoALib Bug #413 (Feedback): OrdvArith: use of a single buffer is NOT THREADSAFE
- Somewhat unexpectedly Christof's tests shows that approach *(C)* is as fast as approach *(B)* but it is also simpler ...
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18:00 CoCoALib Bug #428 (Feedback): PPMonoidOv is not threadsafe
- Christof's tests have all gone well.
The change was simple (but a bit tedious/ugly).
I've even checked-in the code ... -
12:12 CoCoALib Bug #428: PPMonoidOv is not threadsafe
- JAA has modified the code to use local buffers if @CoCoA_THREADSAFE_HACK@ has a positive value.
*15:00* Christof say... -
12:09 CoCoALib Bug #428 (Closed): PPMonoidOv is not threadsafe
- @PPMonoidOv@ uses a "global" buffer much as @OrdvArith@ did.
This is not threadsafe -- Christof has observed crashes... -
17:55 CoCoALib Support #195 (Feedback): OrdvArith documentation needs rewriting
- The doc should now be essentially complete.
Also greatly improved doc for @PPOrdering@.
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15:06 CoCoALib Support #195: OrdvArith documentation needs rewriting
- A first version of the doc has been written! It even includes comments about thread-safety!
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17:48 CoCoA-5 Feature #204: NmzComputation: the powerful NormalizComputation function in CoCoA-5
- Since the HilbertSeries is now availabe in CoCoALib, I also added it to NmzComputation. Example:...
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14:59 CoCoALib Support #234 (Feedback): Update/Improve geobucket documentation
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14:48 CoCoALib Feature #233 (Feedback): AsINT and AsRAT -- ConvertTo<BigInt> and ConvertTo<BigRat>
- Final decision is for ConvertTo<BigInt> and ConvertTo<BigRat>
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14:45 Support #425 (In Progress): Osnabrueck 2014-01
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14:40 CoCoA-5 Bug #418 (Feedback): What does interreduce do?
- All done
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13:59 CoCoALib Design #427: Error names and error messages (current design)
- Many errors now are called *Not...* (e.g. *NotNonZero*) but that's ambiguous/confusing.
Suggestion: rename them *Need... -
10:39 CoCoALib Design #427 (In Progress): Error names and error messages (current design)
- As a sub-issue of re-designing errors here we note the suggested names.
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12:13 CoCoALib Feature #248 (Feedback): IsDivisible for RingElem with nice interface
- All done (I think)
27 Jan 2014
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16:11 CoCoALib Feature #426 (Closed): ConvertTo with optional arg to give more helpful error message
- The *@ConvertTo@* fn is used extensively in the interface between the C5 interpreter and the CoCoALin fns which actua...
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15:26 Support #425: Osnabrueck 2014-01
- Bruns mentioned sometime ago (1 year?) that CoCoALib-0.9951 was about 20% faster than a later version.
*20140127:* C... -
14:49 Support #425 (Closed): Osnabrueck 2014-01
- Here's what we hope to do during the week here.
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14:36 CoCoA-5 Feature #367: implement LF/DF for an ideal
- LF(ideal) done.
(cvs tomorrow)
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13:53 CoCoA-5 Feature #367 (In Progress): implement LF/DF for an ideal
- code for LF of a polynomial implemented in october 2012
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12:13 CoCoALib Feature #209 (In Progress): ReadExpr: input polynomials in CoCoALib
- Anna, Christof & John propose the following for an initial impl:
* input polys are terminated by newline
* the whole ...
25 Jan 2014
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22:10 CoCoALib Bug #413 (In Progress): OrdvArith: use of a single buffer is NOT THREADSAFE
- We should discuss this in Osnabrueck next week.
*(A)* the solution using local buffers in every fn that needs one is...
24 Jan 2014
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20:47 CoCoA-5 Feature #78 (In Progress): Elim ordering and matrix ordering in CoCoA-5
- In issue #313 I have posted an impl of @ElimOrdMat@ which creates a matrix for elimination orderings. This fn lets o...
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20:40 CoCoALib Feature #313: Elim(vector<long>) as PPOrderingCtor
- Anna told me she has an impl (of exactly what I don't recall).
Let's make it available -- I'd like it to be availabl... -
20:30 CoCoA-5 Bug #418 (Resolved): What does interreduce do?
- It would be good to get this issue closed ASAP; it is not especially urgent, but I'd like it fixed before the Alg Com...
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13:54 CoCoA-5 Design #424: Emacs UI: Name of emacs init file
- If we were to use *@.emacs.d/@* then we could put *@cocoa.el@* there; this could make installation easier?
I doubt... -
12:16 CoCoA-5 Design #424: Emacs UI: Name of emacs init file
- Anna is unconvinced by the idea of forcing the user to accept a whole directory. Perhaps we could use the alternativ...
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11:51 CoCoA-5 Bug #423 (Feedback): Emacs UI: semicolon does not work in emacs-24.3
- Using lastest CVS, a quick test passed fine on my machine --> changing state to "feedback".
23 Jan 2014
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13:47 CoCoA-5 Bug #423: Emacs UI: semicolon does not work in emacs-24.3
- Solved (luckily easier than I feared).
Replaced @last-command-char@ with @last-command-event@
tested on emacs 22,... -
11:39 CoCoA-5 Slug #405: ReducedGBasis not memorized in an ideal
- Will it be possible to have this fixed by Easter? (_i.e._ before I need it for the Alg Comp course)
22 Jan 2014
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17:26 CoCoA-5 Design #424 (In Progress): Emacs UI: Name of emacs init file
- The current distribution for M$ already includes a *@.emacs.d@* directory, so it is certainly possible to create one,...
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16:37 CoCoA-5 Design #424: Emacs UI: Name of emacs init file
- John Abbott wrote:
> Starting emacs-24.3 with the current (M$) distribution produced a warning about the file name *... -
16:29 CoCoA-5 Design #424 (In Progress): Emacs UI: Name of emacs init file
- Starting emacs-24.3 with the current (M$) distribution produced a warning about the file name *@_emacs@* being obsole...
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16:23 CoCoA-5 Bug #423 (Closed): Emacs UI: semicolon does not work in emacs-24.3
- The current @cocoa5@ emacs code does not work well in emacs 24.3.
Try creating a new @file.cocoa5@ and type into it:... -
16:13 CoCoA-5 Feature #381: Emacs User Interface: Easier binding for sending a line to cocoa-5
- I think it works fine (but then I probably don't use @cua-mode@).
It works also with emacs-24.3.
Any chance of clos... -
16:09 CoCoA-5 Feature #352: Should SourceRegion echo the "region"?
- I have been using @SourceRegion@ for several months now, and definitely appreciate the fact that it does not fill my ...
21 Jan 2014
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18:11 CoCoA-5 Bug #279: Bug in Radical (actually a RingHom problem)
- Here's an old(?) failing case; posting here so that we have a test suite....
16 Jan 2014
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16:57 CoCoALib Feature #209: ReadExpr: input polynomials in CoCoALib
- Would it make sense to discuss this when we go to Osnabrueck? (in 10 days' time)
*Note: remember this KISS philosophy!* -
16:38 CoCoA-5 Support #179: TeX documentation for CoCoA-5
- > * I had wanted to write 2^31 in the description of a fn, but this caused LaTeX to fail with an error (about missing...
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16:31 CoCoA-5 Support #179: TeX documentation for CoCoA-5
- I've just built the CoCoA-5 LaTeX-PDF documentation; there are several minor problems.
* JAA thinks the fn names in ...
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