Activity
From 05 Feb 2017 to 06 Mar 2017
06 Mar 2017
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21:52 CoCoA-5 Design #1020: Rename minimalized(I) into IdealOfMinGens(I)?
- John Abbott wrote:
> I like @IdealOfMinGens@.
> I do not much like @minimalize(I)@, so suggest making it obsolescen... -
17:40 CoCoA-5 Design #1020: Rename minimalized(I) into IdealOfMinGens(I)?
- I like @IdealOfMinGens@.
I do not much like @minimalize(I)@, so suggest making it obsolescent.
Presumably @IdealO... -
- I have added @IdealOfGBasis(I)@ to cocoa-5.
It is like saying @ideal(GBasis(I))@ and @SetGBasisAsGens@ (not availabl... -
- Winfried Bruns wrote:
> Why not have a function for decomposing a polynomial into its homogeneous components? There ... -
- Here is the function.
I'm still uncertain whether this should be part of cocoalib or not.
Anyway it may be copied... -
17:50 CoCoALib Feature #1022: New "LF" function which is based on StdDeg
- Why not have a function for decomposing a polynomial into its homogeneous components? There is one in NmzIntegrate.
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- CoCoALib currently offers @deg@ (or equiv. @StdDeg@) and @wdeg@. These functions throw an exception if the ring has ...
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- [2017-03-06] Bruns requested by email to have a function like *@LF@* which works with respect to the standard grading...
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- John Abbott wrote:
> As I pointed out in #1020, this fn should also copy across any 3-way flags (_e.g._ @IamRadical3... -
- As I pointed out in #1020, this fn should also copy across any 3-way flags (_e.g._ @IamRadical3@) from the original i...
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- Now using @IdealOfGBasis@, so that the generators of the ideals are the different GBasis....
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- To see an example of inconsistency, just type *@?:@* into CoCoA. This gives the page for infix operators. It looks ...
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- Most entries in the CoCoAManual include a succinct description of the syntax like the following...
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- This seems a duplicate of #558, closed for CoCoA-5.1.0 Easter14.
Unless you mean to check also the output (then it... -
- Done (again, long time ago...). It is called by...
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- @SetVerbosityLevel/VerbosityLevel@ allow to have verbosity.
Some functions now use them.
This should be reported in... -
- in log:
Revision 1.19 2012/05/25 13:07:23 abbott
Cleaned entry for "Try".
Revision 1.14 2012/03/09 17:00:2... -
- As far as I can tell, this has already been done... no idea by whom, or when.
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- I suggest transforming the search string as follows:
* replace all TABs (and any other whitespace chars) by plain sp... -
- Some CoCoA online manual pages have titles containing spaces.
Searching for such a page with a search string contain... -
- *NOTE* I have just learned that if you press return while typing in the comment "subject" line, redmine then "finishe...
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- Here is a list of the CoCoA CPP flags:
* *@CoCoA_ULONG2LONG@*
* *@CoCoA_THREADSAFE_HACK@*
* *@CoCoA_DEBUG@*
* *@C...
05 Mar 2017
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- To me it seems that approach *(A)* is less convenient and more risky/annoying (since any problem is reported only aft...
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- Recently Bruns reported a compilation problem (see #1015) which turned out to be a problem of missing CPP flags. A s...
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- What is the best way to ensure that any important CPP flags are correctly set when using CoCoALib?
One approach is...
03 Mar 2017
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- I have now added a similar check for ULONG2LONG. It's all a nasty hack, but seems to work.
Checked-in too. Now I...
02 Mar 2017
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- JAA should also check the value of ULONG2LONG... perhaps need a template approach?
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- now prints
* with verbosity >=10 (each call of recursive, CallOnRecursive)
. with verbosity >=20 (each call of Get... -
- Implemented (using @submat@).
Still have to write tests and doc.
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- After personal discussion in Kassel: I agree.
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- Currently there is no check for the arguments of @..@
Limit the input!
for example upper-lower < ???
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- Still to do: non-homogenous input
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- John Abbott wrote:
> What exactly does multiplicity do?
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> I made the mistake of trying to compute @multiplicity... -
- Set 100 for first GBasis printouts
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- John Abbott wrote:
> In the meantime, Anna plans to add the appropriate verbosity lines to @myDoGBasisElimFirst@.
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- Answer to previous question is that internally Anna uses a hack: she calls @myDoGBasisElimFirst@ rather than the gene...
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- John Abbott wrote:
> I prefer to have two distinct functions *@GBasis@* and *@ReducedGBasis@* because:
done.
Sho... -
- I prefer to have two distinct functions *@GBasis@* and *@ReducedGBasis@* because:
* the name *@ReducedGBasis@* gives... -
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- Changed interface (after personal discussion in Kassel):...
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- It seems to me that this will be covered by the "braced constructor" for C++ vectors that appeared in C++11.
What ... -
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- Write a new function to modify an ideal so that removes the current set of generators and substitutes it with the GBa...
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- Implement @ReducedGBasis@ for @RingWeyl@ and other potential future non-commutative rings.
01 Mar 2017
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- I have now added an automatic check for @CoCoA_THREADSAFE_HACK@.
If you compile the library with one setting and try... -
- The problem goes away if the flag *@-DCoCoA_THREADSAFE_HACK@* is added to the compilation line.
At the moment I do... -
- The problem continues to arise with the following simplified compilation command:...
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- Here we have a minimal failing example:...
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- The problem arises under the following conditions:
* CoCoALib is configured with @--threadsafe-hack@ and @--no-boost... -
- Winfried Bruns reported a SEGV problem by email.
The following code will exhibit it: @F@ is a poly with a single t... -
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25 Feb 2017
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11:11 CoCoALib Support #1013: GlobalManager: name of object in examples (and tests)
- > Would *@InitializeCoCoA@* be more comprehensible?
Perfect!
24 Feb 2017
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- Another (mild?) incompatibility is that in CoCoA-5 @RowMat@ and @ColMat@ accept as input lists of INT and/or RAT.
In... -
- At the moment JAA thinks that giving an error is probably better.
Is there a situation where one might reasonably ... -
- In CoCoA-5 one can call @RowMat([])@ and @ColMat([])@ to produce a matrix 1x0 or 0x1.
In CoCoALib a similar call pro... -
- What should @RowMat@ and @ColMat@ do if given am empty list/vector as argument?
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- What should these functions do if the matrix is 0-by-C or R-by-0?
Return a 0-by-1 or 1-by-0 matrix? -
- Another possibility: uglier, but possibly clearer?
* *@RowMatView@*
* *@ColMatView@*
The intention is that the r... -
- In just a couple of days I shall have to present CoCoALib and its examples.
Indeed, I shall probably concentrate on ... -
- At the moment all CoCoALib examples use the name *@CoCoAFoundations@* for the @GlobalManager@ object.
Is there a b...
22 Feb 2017
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- I have added some hasty tutorials... no doubt it is clear that they have been hastily written.
21 Feb 2017
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- There is less than a week to go to the mini-course. It would be nice to make some progress with the tutorials.
20 Feb 2017
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- The functions have existed for some time, but have never been documented.
Also compare speed of CoCoALib impl with... -
- There is a CoCoA-5 package called @chebyshev.cpkg5@.
There are also CoCoALib fns for computing the chebyshev polynom... -
- An interactive CoCoA-5 session will always generate the same sequence of (pseudo-)random numbers.
In CoCoA-4 there w... -
- CoCoA-4 has a @Seed@ fn for resetting the global random number generator.
Make it (or something equivalent) availa... -
- Currently I am just adding the "keyword" *@MatrixFp@*
Some code has already been written, and it is in the file @sr... -
- How does this issue differ from issue #83?
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- Mario makes essential use of various C++11 featues (_e.g._ @auto@ variable declarations).
The problem is that CoCo... -
- Mario would like to incorporate his Hilbert scheme code, but to do so he must compile with c++11 (because he uses sev...
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- @Winfried: could you check whether this problem persists in the latest version of CoCoALib?
There is version from 16...
17 Feb 2017
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- Apart from the improvements we can do for @elim@ (and are about to do ;-)
I think @myFinalizeGBasis@ can be improved...
16 Feb 2017
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- The function creating the vector of coefficients (wrt a QB) can be improved.
(this is an internal and costly functio... -
- The same example computed using @MinPolyQuot@ is much faster: about 0.2s :-)
Maybe @elim@ can be programmed to us... -
- I happened upon the file for the example, and tried it with @SetVerbosityLevel(1999)@.
It seems that much of the tim... -
- How about starting with just two ranges?
1--9 for users
10--??? for CoCoA packages and CoCoALib
I had also consi... -
- I prefer the mnemonic number of digits. So I suggest
1 digit -- free for users
2 digits -- cocoalib and cocoa pac...
15 Feb 2017
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- Anna's idea of reserving certain ranges for different "levels" of function appeals to me. I think her ranges are too...
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- All tests pass. I have now checked in the change. ==> feedback
14 Feb 2017
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- Checked-in an update to all Makefiles. Hope it works -- I did mess some things up :-(
13 Feb 2017
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- John Abbott wrote:
> Should the file @examples/index.html@ be included in the distribution?
> In other words, shoul... -
- Should the file @examples/index.html@ be included in the distribution?
In other words, should @make distclean@ delet... -
- It seems that the dependencies (in @src/AlgebraicCore/@) are rebuilt whenever @include/CoCoA/library.H@ changes, and ...
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- John Abbott wrote:
> I'm still undecided where the dependency files should fit into this scheme; internal dependenci... -
- I have read through the GNU guidelines. Following them all would be quite hard work.
The "cleaning" targets which w... -
- No problems has been reported so far, so moving to "feedback".
I think the solution I have chosen should be compat... -
- OK, then we agree to eliminate the function @square@. It will disappear the next time I do a check in (later today?)
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- If we had a @square@ we should document how it differs from @power(x,2)@. So I think we'd better not.
If we have @m...
12 Feb 2017
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- So far we have not really felt the need for a @square@ function in CoCoALib (presumably).
So maybe it does not mak... -
- A search for @square@ showed that there had been a @square@ function for @RingElem@, but that it was removed (presuma...
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- In @utils.H@ there is a fn called @square@ defined only for @double@. It used only in @ApproxPts.C@.
I am sure th...
10 Feb 2017
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- I think we should set some rules like:
1 - 9 (or to 99) reserved for users.
100 - ?? for higher cocoa/cocolib fu...
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