Activity
From 17 May 2015 to 15 Jun 2015
12 Jun 2015
- 12:03 CoCoALib Feature #664: Impl small non-prime finite fields (using logs)
- Now I have a (partly?) working CoCoALib ring which wraps my previous code.
11 Jun 2015
- 20:06 CoCoALib Feature #728: Noncommutative algebra "of solvable type"
- As I am sitting in a delayed train with too much time at hand, some further comments:
1.) The "book" by Levandovsk... - 15:27 CoCoALib Feature #728: Noncommutative algebra "of solvable type"
- Going to a seminar here about G-bases in PBW algebras :-)
*NOTE* the seminar was OK. The student pointed out that (... - 11:43 CoCoALib Feature #728 (In Progress): Noncommutative algebra "of solvable type"
- Yes, we should get the old @RingWeyl@ code working again -- my guess is that there is little to do.
We should find... - 11:30 CoCoALib Feature #728: Noncommutative algebra "of solvable type"
- We have already done most of these considerations for RingWeyl (except for the coefficient rule).
.. and we also had... - 11:14 CoCoALib Feature #728: Noncommutative algebra "of solvable type"
- Werner pointed out that a simplistic implementation is likely to be terribly slow (though perhaps "obviously correct"...
- 19:00 CoCoALib Feature #735 (Resolved): Convert a PPMonoidElem to RingElem with coefficient one
- done, checked in.
So far I modified only the files in AlgebraicCore - 11:46 CoCoALib Feature #735: Convert a PPMonoidElem to RingElem with coefficient one
- OK, do it! Including @monomial(P,expv)@.
Don't forget documentation, examples and tests!
- 11:24 CoCoALib Feature #735: Convert a PPMonoidElem to RingElem with coefficient one
- My preference (by far) goes to @monomial(P, pp)@
I have already implemented and all tests pass.
Should I also do @m... - 11:04 CoCoALib Feature #735: Convert a PPMonoidElem to RingElem with coefficient one
- I point out that assignment to @RingElem@ can perform some type changes. Should we allow assignment to a @RingElem@ ...
- 11:00 CoCoALib Feature #735: Convert a PPMonoidElem to RingElem with coefficient one
- I do agree that, without familiarity with the function, upon reading @monomial(P,1,pp)@ my first thought would be "Wh...
- 10:46 CoCoALib Feature #735: Convert a PPMonoidElem to RingElem with coefficient one
- I didn't know that @monomial(P, 1, pp)@ works as expected.
But I think for the _normal_ user who wants to use a @PP... - 10:41 CoCoALib Feature #735: Convert a PPMonoidElem to RingElem with coefficient one
- I am a little uncertain about the proposal. @monomial(P,pp)@ gains little over @monomial(P,1,pp)@.
Is it worth cr... - 08:56 CoCoALib Feature #735: Convert a PPMonoidElem to RingElem with coefficient one
- Should we do the same for @monomial(P, expv)@?
I cannot see any ambiguity.
*REPLY* (JAA) if we have @monomial(P,PP)@... - 08:41 CoCoALib Feature #735 (In Progress): Convert a PPMonoidElem to RingElem with coefficient one
- That seems very reasonable: I had a look at the code and, indeed, most of the times @monomial@ is called the coeffici...
- 08:31 CoCoALib Feature #735 (Closed): Convert a PPMonoidElem to RingElem with coefficient one
- Let @pp@ be a @PPMonoidElem@ of the @PPMonoid@ @PPM@. Let @P@ be a @SparsePolyRing@ with @PPM@ as @PPMonoid@.
Severa... - 15:26 CoCoALib Feature #664 (In Progress): Impl small non-prime finite fields (using logs)
- JAA has implemented a first prototype (following the model @RingFpImpl@ and @SmallFpImpl@). The computational part u...
- 14:58 CoCoALib Feature #386: add resolution data type
- Hans says that singular uses more or less the design we are considering; apparently in some cases they store two reso...
- 11:57 CoCoALib Feature #386: add resolution data type
- One possibility might be to have a "module view" much like @MatrixView@, but I'm far from certain whether such a thin...
- 11:43 CoCoALib Feature #386: add resolution data type
- > Since the C++ types of the input are different it seems simplest to have different classes for each case. Each cla...
- 08:28 CoCoA-5 Feature #732 (Feedback): Primary Decomposition in CoCoA-5: port Luis Garcia's package(cocoa-4)
- mostly done (with some more cleaning and testing to do)
- 08:25 CoCoA-5 Feature #732 (Closed): Primary Decomposition in CoCoA-5: port Luis Garcia's package(cocoa-4)
- Luis Garcia wrote a package for CoCoA-4. Port it to CoCoA-5.
- 08:27 CoCoA-5 Feature #734 (Closed): Primary Decomposition in CoCoA-5: zero dimensional, zero characteristic
- 08:26 CoCoA-5 Feature #733 (Closed): Primary Decomposition in CoCoA-5.1.2: zero dimensional, finite characteristic
- First prototype
- 08:24 CoCoALib Feature #665: Integrate Janet/Pommaret basis code
- In the following I try to explain how I integrated the JBMill/PBMill into @SparsePolyRing::IdealImpl@:
h3. UIBC
... - 08:23 CoCoA-5 Feature #731 (In Progress): Primary Decomposition in CoCoA-5
- Implement Primary Decomposition in CoCoA-5
10 Jun 2015
- 17:12 CoCoALib Feature #728: Noncommutative algebra "of solvable type"
- For starters Ore algebra as a simple case of polynomial algebras of solvable type should be enough. Their main advant...
- 12:55 CoCoALib Feature #728: Noncommutative algebra "of solvable type"
- I made a slight mistake in the original description. It should have been:
* @x[i]*x[j] = q*x[j]*x[i] + tail@ where @... - 14:24 CoCoALib Slug #725: Example database: Slow ideal equality test
- John Abbott wrote:
> In the specific example of this issue there are 36 indets (all used), 15 polynomials, and @dim(... - 14:22 CoCoA-5 Bug #148: C-c C-p in emacs goes to wrong line
- > *REPLY (JAA)* I think what confused me was that in the CoCoA-5 output window the cursor was at the end of the outpu...
- 13:41 CoCoALib Feature #386 (In Progress): add resolution data type
- Mario and I have discussed some possible designs; neither of us has much experience with resolutions, so it is possib...
- 13:19 CoCoALib Feature #729 (In Progress): Betti numbers, betti diagram
- Mario suggested that the internal representation should be @vector< map<degree, long> >@.
The resolution is a list... - 11:30 CoCoALib Feature #730: Stats in GBMill (GReductor)
- I suppose Mario ought to write about this. He has followed my design suggestion, and seems to be happy with it. If ...
- 11:24 CoCoALib Feature #730: Stats in GBMill (GReductor)
- Mario asked about gathering stats for his involutive basis code.
I suggested using a @struct@ to keep all the stats ... - 11:18 CoCoALib Feature #730 (Closed): Stats in GBMill (GReductor)
- There is already some implementation for gathering stats in G-basis computation.
Review it!
Perhaps separate st...
08 Jun 2015
- 22:27 CoCoALib Feature #728: Noncommutative algebra "of solvable type"
- Sounds like a generalisation of RingWeyl.
... Werner, are you willing to test it out? ;-)
I was thinking of porti... - 18:45 CoCoALib Feature #728 (In Progress): Noncommutative algebra "of solvable type"
- Werner asked about the possibility of having non-commutative algebras of solvable type. They are nice enough that Bu...
- 18:52 CoCoALib Feature #729: Betti numbers, betti diagram
- Mario points out that for a non-graded case we will also need a datastructure.
*UPDATE* (20150608) Mario thinks it is... - 18:50 CoCoALib Feature #729 (In Progress): Betti numbers, betti diagram
- Design a good data structure for storing Betti numbers (also for multigraded case).
- 11:46 CoCoA-5 Bug #148: C-c C-p in emacs goes to wrong line
- John Abbott wrote:
> I recently tried using @C-c C-p@ and found it unhelpful; so I "stupidly" tried it a second time,... - 11:09 CoCoALib Feature #718: Insert calls to CheckForInterrupt
- Mario asked about the possible run-time cost of calling @CheckForInterrupt@.
Currently it may be needlessly expensiv...
07 Jun 2015
- 12:46 CoCoALib Slug #725: Example database: Slow ideal equality test
- In the specific example of this issue there are 36 indets (all used), 15 polynomials, and @dim(P/I)@ gives 21. Isn't...
06 Jun 2015
- 23:04 CoCoA-5 Bug #148: C-c C-p in emacs goes to wrong line
- I recently tried using @C-c C-p@ and found it unhelpful; so I "stupidly" tried it a second time, and found that it wa...
- 22:58 CoCoA-5 Bug #727 (In Progress): Emacs UI: send-file (C-c C-f) should check if buffer and file are synchronized
- The emacs command @C-c C-f@ send a @source@ command to CoCoA-5, so CoCoA-5 reads the file on disk which may not be th...
- 22:49 CoCoALib Slug #725: Example database: Slow ideal equality test
- For completeness here is the list of generators in @QQ[x[1..6,1..6]]@ ...
- 22:46 CoCoALib Slug #725: Example database: Slow ideal equality test
- Anna, you are right (in principle). In practice, I think almost the whole time is spent computing a G-basis (rather ...
- 21:17 CoCoALib Slug #725: Example database: Slow ideal equality test
- Instead of checking equality you should just check whether g_j is in the ideal generated by the others. However, thi...
- 20:32 CoCoALib Slug #725: Example database: Slow ideal equality test
- It has finally finished:...
- 14:25 CoCoALib Slug #725: Example database: Slow ideal equality test
- Progress......
- 13:19 CoCoALib Slug #725: Example database: Slow ideal equality test
- Re-running the program (over @QQ@) I get the following output (still incomplete):...
- 13:14 CoCoALib Slug #725 (New): Example database: Slow ideal equality test
- This is probably not important, but I wanted to record this example which seems to be unexpectedly slow -- it might b...
- 22:39 CoCoA-5 Bug #726: TopLevel cannot "import" a package variable
- I think a "global variable" is a reasonable design for this task.
There is a "philosophical" question: is a qualif... - 22:34 CoCoA-5 Bug #726 (Closed): TopLevel cannot "import" a package variable
- I would like to have a user controllable "verbosity level" in a package. How should this be done?
I had thought o...
02 Jun 2015
- 22:43 CoCoA-5 Bug #724 (In Progress): RationalSolve: wrongly complains about non zero-dim even in finite char
- It is not quite as easy as I had hoped. Every so often zero polynomials pop up in awkward places (_e.g._ to be facto...
- 17:06 CoCoA-5 Bug #724: RationalSolve: wrongly complains about non zero-dim even in finite char
- I have disabled the zero-dimensionality check if the coeff ring is a finite field.
In one simple test that seems t... - 15:55 CoCoA-5 Bug #724: RationalSolve: wrongly complains about non zero-dim even in finite char
- Is it just enough to skip the check for zero-dimensionality in this case?
(if so, that's a really simple fix)
- 15:53 CoCoA-5 Bug #724 (Closed): RationalSolve: wrongly complains about non zero-dim even in finite char
- I ran the example given in issue #723 which tries to compute all rational solutions over a finite field of a homogene...
- 16:35 CoCoA-5 Feature #723: Referring to indets with multiple indices from a polyring
- Yes and no. I thought the topic had come up recently, but did not find it on redmine.
Perhaps the manual page for @... - 16:18 CoCoA-5 Feature #723: Referring to indets with multiple indices from a polyring
- Is this what you want? (From the manual ;-)...
- 15:45 CoCoA-5 Feature #723: Referring to indets with multiple indices from a polyring
- The existing function @indets("s")@ almost does what I want except that the result is a list rather than an @INTMAP@....
- 15:39 CoCoA-5 Feature #723: Referring to indets with multiple indices from a polyring
- Here is an example I want to run (NB it is very slow)...
- 15:35 CoCoA-5 Feature #723 (New): Referring to indets with multiple indices from a polyring
- I would like to be able to refer to multi-index indets in a poly ring using their multiple indices... where the ring ...
- 13:19 CoCoA-5 Feature #719: Readline: consider creating a textual interpreter with readline
- A commandline option to disable readline is probably a good idea. It is the most flexible.
You can then also add some... - 13:11 CoCoA-5 Feature #719: Readline: consider creating a textual interpreter with readline
- I have just read some documentation for @readline@ and also looked online. We're not the first people to have proble...
- 12:45 CoCoA-5 Feature #719: Readline: consider creating a textual interpreter with readline
- Clearly, I was too hasty with my hack to add @readline@ :-(
I know @READLINE@ appears twice at the start -- don't ... - 12:05 CoCoA-5 Feature #719: Readline: consider creating a textual interpreter with readline
- And it also works fine for me. Is it also possible to include a tab-completion? :)
Only problem is that the tests of... - 11:27 CoCoA-5 Feature #719: Readline: consider creating a textual interpreter with readline
- My first try was not successfull. Durign the configure I got...
01 Jun 2015
- 22:31 CoCoALib Slug #722 (In Progress): valuation slow for large inputs
- I have implemented a version which divides repreatedly by the largest power of the prime which fits into @unsigned lo...
- 10:39 CoCoALib Slug #722: valuation slow for large inputs
- Probably @QuoRem@ is a more sensible choice than @gcd@.
- 17:50 CoCoA-5 Bug #712: External Libs: missing dependencies in Makefiles
- Depending on the source files would maybe be to much. It can not know how to recompile the external library.
What I ...
31 May 2015
- 11:58 CoCoALib Slug #722: valuation slow for large inputs
- Source code is in @NumTheory.C@.
It is just a very simple loop. Presumably I could test divisibility by a small pow... - 11:56 CoCoALib Slug #722 (Closed): valuation slow for large inputs
- I tried @valuation(5,factorial(1000000))@ and it took too long.
Make @valuation@ faster if the prime is small (and...
30 May 2015
- 19:49 CoCoA-5 Feature #711: External Libs: print credits?
- If we do implement some scheme for recognising use of external libraries, probably we should also do something simila...
- 14:52 CoCoALib Feature #721: CheckForInterrupt: string arg to specify where it was called?
- I have implemented my suggestion in note 1.
It occurred to me that if we do allow a string as arg (to where @Check... - 10:01 CoCoALib Feature #721 (In Progress): CheckForInterrupt: string arg to specify where it was called?
- I prefer that the exception thrown is not of the same type as a normal @CoCoA_ERROR@ because the reasons behind the e...
- 10:22 CoCoALib Feature #385: Design new errors using inheritance
- I think it may be a cleaner design to use (impose) the convention that all exceptions CoCoALib are derived from a sin...
29 May 2015
- 17:20 CoCoALib Feature #721: CheckForInterrupt: string arg to specify where it was called?
- In fact I was suggesting something else: @CheckInterrupt@ throws something which is not a CoCoA_ERROR, so cocoa-5 doe...
- 16:19 CoCoALib Feature #721: CheckForInterrupt: string arg to specify where it was called?
- It looks to be almost trivial to add @CheckForInterrupt(const char*)@ and @CheckForInterrupt(const std::string&)@.
... - 16:16 CoCoALib Feature #721 (Closed): CheckForInterrupt: string arg to specify where it was called?
- Anna indirectly suggested that it might be nice to have an optional arg to @CheckForInterrupt@ which takes a string i...
- 12:03 CoCoALib Feature #718 (In Progress): Insert calls to CheckForInterrupt
- Nice! I added it into @TmpGReductor.C@ (I was actually doing something else with very slow GB ;-) )...
26 May 2015
- 15:51 CoCoA-5 Feature #719: Readline: consider creating a textual interpreter with readline
- (I had to do a bit of updating and adaptations) it compiles and works well.
Under emacs, both in shell and in comi...
25 May 2015
- 12:17 CoCoA-5 Feature #719: Readline: consider creating a textual interpreter with readline
- Strictly the headers for @readline@ are needed only for compiling @LineProviders.C@.
Similarly @libreadline.a@ is ne...
24 May 2015
- 14:29 CoCoA-5 Feature #719: Readline: consider creating a textual interpreter with readline
- It's not perfect (_e.g._ prints out READLINE twice in the list of ext libs).
Checking in anyway, as I must go now.
- 14:26 CoCoA-5 Feature #719: Readline: consider creating a textual interpreter with readline
- I have just updated @configure@. If a quick test passes, I'll check in.
Currently it is a bit of a hack: _e.g._ it ...
22 May 2015
- 18:44 CoCoA-5 Feature #719: Readline: consider creating a textual interpreter with readline
- John Abbott wrote:
> What to do?
> * *(A)* one possibility is to offer a command line arg to @CoCoAInterpreter@ whi... - 18:35 CoCoA-5 Feature #719: Readline: consider creating a textual interpreter with readline
- The CoCoA-5 tests passed with @readline@ active. So I have checked in (to reduce the risk of losing the code).
St... - 18:25 CoCoA-5 Feature #719: Readline: consider creating a textual interpreter with readline
- Compilation of @CoCoAInterpreter@ with require the option @-lreadline@ if the readline library is to be used.
- 18:17 CoCoA-5 Feature #719: Readline: consider creating a textual interpreter with readline
- There is some problem with lines longer than 1023 chars. I think it is an Emacs/comint problem because cutting and p...
- 18:04 CoCoA-5 Feature #719: Readline: consider creating a textual interpreter with readline
- I had to change just one line in @Main.C@ (and add some @#include@ directives).
What to do?
* *(A)* one possibili... - 17:45 CoCoA-5 Feature #719: Readline: consider creating a textual interpreter with readline
- I have an apparently working first prototype :-)
- 16:52 CoCoA-5 Feature #719: Readline: consider creating a textual interpreter with readline
- JAA does not want to make @readline@ mandatory for compiling CoCoALib, nor even CoCoA-5.
So @readline@ will become a... - 16:46 CoCoA-5 Feature #719 (In Progress): Readline: consider creating a textual interpreter with readline
- I have downloaded and built readline-6.3.
Building was non-trivial: by default it compiled 32-bit (not compatible ... - 14:14 CoCoA-5 Feature #720: External libs: specifying I/O streams (initialization?)
- @CoCoAInterpreter@ works just fine because the default streams in @libnormaliz@ are @cout@ and/or @cerr@ which is wha...
- 13:45 CoCoALib Slug #675: Matrix determinant over multivariate poly ring
- A Google search for "division free algorithm for determinant" produces several hits. Possibly something there may be...
- 13:21 CoCoALib Slug #675 (In Progress): Matrix determinant over multivariate poly ring
- I have changed @myDet@ in @DenseMatrix.C@ so that it calls @DetDirect@ only if there are at least 3 indets and the ma...
21 May 2015
- 17:53 CoCoA-5 Feature #720 (New): External libs: specifying I/O streams (initialization?)
- libnormaliz needs to be informed of two output streams: one for logging info (in "verbose" mode), the other for error...
- 17:47 CoCoA-5 Feature #719 (Closed): Readline: consider creating a textual interpreter with readline
- This was discussed in March 2009 via email. I will copy the essence of the messages here.
Christof would greatly ... - 16:02 CoCoALib Bug #666 (Feedback): RatReconstructByLattice fails in some simple cases
- I have added a comment to the documentation.
I discussed with Christof the possibility of throwing an exception wh... - 15:23 CoCoA-5 Bug #713 (In Progress): External libs: interrupting not easy
- It is probably best to KISS: _i.e._ just have a straightforward signal handler which simply sets the flag. If this p...
- 11:57 CoCoA-5 Slug #709: Speed of some Normaliz calls (NmzComputation)
- Attempts to profile the running program on my computer failed :-(
@gprof@ does not work properly in MacOSX, and ther... - 11:34 CoCoA-5 Slug #709: Speed of some Normaliz calls (NmzComputation)
- With Christof we ran a side-by-side comparison (on my machine) with "verbose" activated.
The run under CoCoA-5 was a... - 11:26 CoCoA-5 Slug #709: Speed of some Normaliz calls (NmzComputation)
- On my machine (MacBook Pro with OSX 10.5.8, compiler version 4.2.1)
Normaliz 2.12 took 9mins (about 550s)
CoCoA-5 ... - 11:19 CoCoA-5 Slug #709: Speed of some Normaliz calls (NmzComputation)
- Here is the original Normaliz input file (called @5x5.in@ in their source tree):...
- 11:17 CoCoA-5 Slug #709: Speed of some Normaliz calls (NmzComputation)
- Here is body of the CoCoALib code I used to speed testing in CoCoALib:...
- 11:15 CoCoA-5 Slug #709 (In Progress): Speed of some Normaliz calls (NmzComputation)
- Here is the input I was giving to CoCoA-5...
- 10:54 CoCoALib Feature #718: Insert calls to CheckForInterrupt
- I suggest we keep a log here of the files we have looked at with a view to inserting calls to @CheckForInterrupt@.
- 10:52 CoCoALib Feature #718 (Closed): Insert calls to CheckForInterrupt
- So that interrupts are acted upon we must insert calls to @CheckForInterrupt@ in various places -- principally in loo...
- 09:41 CoCoALib Feature #714 (Resolved): Interrupt mechanism
- I have checked in the impl with both *(A)* and *(B)*.
Then I deleted *(A)* and checked in again. This way I hope *(... - 09:38 CoCoALib Feature #715 (Resolved): RandomSubsetIndices, RandomTupleIndices?
- I have already reported this (and logged time) in issue #622.
I think @RandomSubsetIndices@ is likely to be useful...
20 May 2015
- 20:09 CoCoA-5 Feature #317: BuiltInFunctions: evalArgAsLong
- ... I liked it so much I also changed *RandomTupleIndices*, *IsZeroRow*, *IsZeroCol*.
The code becomes shorter and e... - 19:53 CoCoA-5 Feature #317 (Resolved): BuiltInFunctions: evalArgAsLong
- 19:49 CoCoA-5 Feature #317: BuiltInFunctions: evalArgAsLong
- I have implemented in *Interpreter.C* the function *evalArgAsLong* returning a *long*.
I tested it on the definition... - 19:13 CoCoALib Feature #573: Use symbolic links for external libraries
- John Abbott wrote:
> What is the current status? Has the cleaning been done? It has been working fine for several ... - 17:24 CoCoALib Feature #573 (Feedback): Use symbolic links for external libraries
- What is the current status? Has the cleaning been done? It has been working fine for several months, so changing st...
- 19:12 CoCoA-5 Feature #485 (Resolved): Initialization for CoCoA-5: file init.cocoa5
- 17:31 CoCoA-5 Feature #485: Initialization for CoCoA-5: file init.cocoa5
- Anna Maria Bigatti wrote:
> the general @init@ file now works well.
> I don't think there is a particular need for ... - 19:11 CoCoA-5 Support #717: CoCoAManual: improve part on RINGHOM
- Added *Introduction to RINGHOM* and *Composition of RINGHOM*
- 19:08 CoCoA-5 Support #717 (Closed): CoCoAManual: improve part on RINGHOM
- Improve chapter on RINGHOM
- 19:06 CoCoA-5 Feature #704 (Feedback): rename MinGensGeneral?
- All done: Renamed it *MinSubsetOfGens* and documented
- 18:33 CoCoA-5 Feature #711: External Libs: print credits?
- Now I'm less sure about using a @std::map@ since it might be difficult and/or costly to make it threadsafe.
Probab... - 18:16 CoCoA-5 Feature #711: External Libs: print credits?
- I spoke to Christof about the idea of recording when ext libs are actually used (_e.g._ see my suggestion of counters...
- 17:57 CoCoA-5 Feature #622: New function: RandomSubset
- I have checked in @RandomSubsetIndices@ and @RandomTupleIndices@ (in CoCoALib); also the interface fns in @BuiltinFun...
- 17:20 CoCoA-5 Feature #622: New function: RandomSubset
- John Abbott wrote:
> I have added defns to CoCoALib of @RandomSubsetIndices@ and @RandomTupleIndices@. These names ... - 15:40 CoCoA-5 Feature #622: New function: RandomSubset
- Checked in.
You'll have to remove @interrupt.C@ from @src/AlgebraicCore/Makefile@ until I can check those files in..... - 15:28 CoCoA-5 Feature #622: New function: RandomSubset
- John Abbott wrote:
> Where should the new functions go?
>
> Currently they are in a new file @combinatorics.C@ be... - 15:22 CoCoA-5 Feature #622: New function: RandomSubset
- Where should the new functions go?
Currently they are in a new file @combinatorics.C@ because I could not see any ... - 13:50 CoCoA-5 Feature #622: New function: RandomSubset
- I have added defns to CoCoALib of @RandomSubsetIndices@ and @RandomTupleIndices@. These names are very long :-/
N... - 12:48 CoCoA-5 Feature #622 (Feedback): New function: RandomSubset
- 12:04 CoCoA-5 Feature #622: New function: RandomSubset
- documentation done (and cvs'ed)
When we implement the "Indices" in CoCoALib we'll remove them from "NotBuiltin".
... - 11:41 CoCoA-5 Feature #622: New function: RandomSubset
- I added to NotBuiltin.cpkg the functions...
- 10:38 CoCoA-5 Feature #622: New function: RandomSubset
- I suggest having also @RandomTuple(n,r)@ which is indeed pretty simple: in CoCoA...
- 15:42 CoCoA-5 Bug #716: NotBuiltin.cpkg5: indent for MODULE
- John Abbott wrote:
> On line 126 when @indent@ prints out a submodule, it prints out the letter @F@ (in a string). ... - 15:19 CoCoA-5 Bug #716 (In Progress): NotBuiltin.cpkg5: indent for MODULE
- On line 126 when @indent@ prints out a submodule, it prints out the letter @F@ (in a string). Is this right? I supp...
- 13:10 CoCoA-5 Support #548 (Resolved): Printing rings with ID
- John Abbott wrote:
> I think it has just been forgotten; it seems like a good idea to me. Indeed now that direct pr... - 12:47 CoCoALib Feature #715 (Closed): RandomSubsetIndices, RandomTupleIndices?
- In CoCoA we have *RandomSubsetIndices, RandomTupleIndices*.
Could they be useful in CoCoALib?
If so implement trans... - 12:38 CoCoALib Feature #714: Interrupt mechanism
- John Abbott wrote:
> Is there any sense in offering approach *(A)*? Perhaps it is best to offer just *(B)*, and add ... - 12:21 CoCoALib Feature #714: Interrupt mechanism
- I am undecided about which ways to offer for telling the GlobalManager which interrupt flag to watch:
* *(A)* specif... - 12:34 CoCoA-5 Support #616: Release: CoCoA-5.1.2
- First run of...
- 10:22 CoCoALib Slug #675: Matrix determinant over multivariate poly ring
- in the cocoa manual there is this example...
19 May 2015
- 17:55 CoCoALib Feature #714: Interrupt mechanism
- Also seems to work with the C5 GUI now :-)
- 16:56 CoCoALib Feature #714 (In Progress): Interrupt mechanism
- I have implemented a first version following the outlines given above.
It seems to pass a quick test -- I have mad... - 11:41 CoCoALib Feature #714: Interrupt mechanism
- Here is a further complication: how to handle several libraries together?
Let us suppose that CoCoALib has a mechani... - 10:16 CoCoALib Feature #714: Interrupt mechanism
- There is a slight risk in my proposal above. If @SignalInterrupt@ is called asynchronously while @CheckForInterrupt@...
- 10:09 CoCoALib Feature #714: Interrupt mechanism
- As far as CoCoA-5 is concerned CoCoALib is "external software", and the problem noted in #713 applies as much to CoCo...
- 10:04 CoCoALib Feature #714 (Closed): Interrupt mechanism
- Add an interrupt mechanism to CoCoALib.
- 17:24 CoCoA-5 Feature #652: Flag to enable/disable printing of list of loaded packages
- The C5 GUI still prints out the packages as they are loaded. Fix!
- 13:38 CoCoA-5 Feature #711: External Libs: print credits?
- I think that @Banner.C@ is a reasonable place to put it. I have cleaned up the code slightly; it now also prints out...
18 May 2015
- 21:35 CoCoA-5 Bug #713: External libs: interrupting not easy
- GNU has some useful looking documentation:
@http://www.gnu.org/software/libc/manual/html_node/Signal-Sets.html#Signa... - 21:09 CoCoA-5 Bug #713: External libs: interrupting not easy
- I am considering the following behaviour:
* each time ctrl-C is received a counter is increased
* if the CoCoA inte... - 21:01 CoCoA-5 Bug #713: External libs: interrupting not easy
- I have found this web page which gives some advice:
@http://stackoverflow.com/questions/103280/portable-way-to-catch... - 16:31 CoCoA-5 Bug #713: External libs: interrupting not easy
- Christof has tried some experiments with GAP, and he noticed that a single ctrl-C appeared to do nothing, but 2 ctrl-...
- 16:25 CoCoA-5 Bug #713: External libs: interrupting not easy
- Another possible (simple) approach is to offer a command line flag which stops @CoCoAInterpreter@ from intercepting s...
- 15:44 CoCoA-5 Bug #713: External libs: interrupting not easy
- Perhaps the best solution would be to leave the code as it is, and to write better documentation. After all a call t...
- 15:42 CoCoA-5 Bug #713: External libs: interrupting not easy
- Remember that a (portable) signal handler cannot do much.
Christof was puzzled when running some Normaliz tests th... - 15:35 CoCoA-5 Bug #713 (Closed): External libs: interrupting not easy
- @CoCoAInterpreter@ intercepts @SIGTERM@ signals; this means that a long computation happening inside an external lib ...
- 17:14 CoCoA-5 Bug #698 (Resolved): Emacs UI: problems with packages on windows
- John Abbott wrote:
From issue #699:
<quote>
JAA notes that Emacs lisp has the built-in variable system-type whic... - 17:10 CoCoA-5 Bug #699 (Rejected): Emacs UI: set back "cocoa5-executable" to "CoCoAInterpreter"?
- 16:57 CoCoA-5 Support #706 (Resolved): meaningful error for IDEAL <= IDEAL
- Done.
- 15:24 CoCoA-5 Bug #712 (In Progress): External Libs: missing dependencies in Makefiles
- The CoCoALib binaries related to Normaliz (_e.g._ *@ExternalLibs-Normaliz.o@*) do not depend on the Normaliz source f...
- 15:20 CoCoA-5 Feature #708: ExternalLib Normaliz: verbose flag?
- Christof says that Normaliz uses a @bool@.
Should CoCoALib simply follow what Normaliz does for its normaliz relat... - 15:02 CoCoA-5 Feature #711: External Libs: print credits?
- Anna Maria Bigatti wrote:
> Done in init.cpkg5.... but that's not good: it does not see the "--no-preamble" flag :-(... - 12:21 CoCoA-5 Feature #711: External Libs: print credits?
- We would like authors to cite CoCoA when they use in the their research. Presumably then they should also cite any e...
- 12:12 CoCoA-5 Feature #711 (In Progress): External Libs: print credits?
- Done in init.cpkg5.... but that's not good: it does not see the "--no-preamble" flag :-(
undoing it.
- 11:11 CoCoA-5 Feature #711: External Libs: print credits?
- I propose printing out a message about external libraries at the same time as the banner is printed out -- and the me...
- 11:05 CoCoA-5 Feature #711: External Libs: print credits?
- One piece of software printed out a message every time a Normaliz function was called: this produced thousands of mes...
- 10:59 CoCoA-5 Feature #711 (Closed): External Libs: print credits?
- At the Normaliz workshop I noticed that two other pieces of software printed out "credits" when external libraries we...
- 12:16 CoCoALib Feature #222: Printing polynomials - spaces between terms
- This issue has been idle for another year.
- 10:38 CoCoA-5 Feature #700: Which external libs are present?
- It would also be nice if there were an indication of which version of each external library is present. The ability ...
17 May 2015
- 10:33 CoCoA-5 Slug #709: Speed of some Normaliz calls (NmzComputation)
- *TO DO* JAA can try the same computation but from CoCoALib; perhaps some time is spent converting to CoCoA-5 data str...
- 10:17 CoCoA-5 Slug #709 (In Progress): Speed of some Normaliz calls (NmzComputation)
- JAA has done a few speed comparisons between calling @normaliz@ directly from the command line and calling @NmzComput...
- 10:31 CoCoALib Design #710: Update normaliz interface?
- The revised @normaliz@ interface aims to be backward compatible.
JAA prefers the new names in @normaliz@, and woul... - 10:29 CoCoALib Design #710 (In Progress): Update normaliz interface?
- Normaliz is about to release version 3.0.
This has a revised interface (_e.g._ new names for certain existing feat... - 10:27 CoCoALib Feature #253: W.Bruns's wish list
- Can we finish this issue in the near future?
- 10:12 CoCoA-5 Feature #708: ExternalLib Normaliz: verbose flag?
- Some ideas are:
* a global flag which says what the default verbosity is
* an optional arg to calls to Normaliz whi... - 09:55 CoCoA-5 Feature #708 (Closed): ExternalLib Normaliz: verbose flag?
- Is it possible to make Normaliz be verbose from the CoCoA-5 interface?
Christof says he/they often find it help to s... - 09:51 CoCoA-5 Feature #700 (Feedback): Which external libs are present?
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