Activity
From 28 Feb 2017 to 29 Mar 2017
29 Mar 2017
- 18:25 Feature #931: GBasis verbose mode
- Current setting seems satisfactory.
Documented in cocoa-5.... not in CoCoALib.
Can we avoid this duplication of doc... - 18:21 Feature #961 (Closed): New function: ReducedGBasis
- In conclusion: all done for the commutative case.
To do for non-commutative case (new issue).
Closing this one. - 18:13 Support #953 (Closed): new file for old functions: obsolescent.C
- 18:09 Bug #971 (Closed): CheckForInterrupt does not work in the expected way
- 12:02 Design #983 (Closed): Which ostream for verbose/obsolescent log mesgs?
- Solved by issue #1036 (which is a duplicate of this issue, but I created it because a search for "LogStream" found no...
- 11:49 Feature #1036 (Feedback): LogStream: stream for log output
- Already implemented: very simple. Written doc.
The only thing missing is an example.
- 11:48 Feature #1036 (Closed): LogStream: stream for log output
- On which output stream should logging messages from CoCoALib be printed?
* @cout@ mixes logging messages with stan...
28 Mar 2017
- 22:32 Feature #206: Matrix equation solving: LinKer
- Anna Maria Bigatti wrote:
> Add also the syntax @LinKer(L)@ where L is a list of linear polynomials.
Modified cou... - 13:57 Feature #206: Matrix equation solving: LinKer
- Add also the syntax @LinKer(L)@ where L is a list of linear polynomials.
- 17:11 Feature #313: Elim(vector<long>) as PPOrderingCtor
- Should we postpone this issue to the next version?
- 16:56 Slug #1009: coefficients for MinPoly e Frobenius
- Postpone to next version?
- 13:43 Feature #1035 (Closed): Improvement: how to sort QuotientBasis?
- QuotientBasis returns a list of power-products ordered by increasing lex (independently of the ordering in the ring)....
17 Mar 2017
- 15:48 Feature #1033 (In Progress): Split poly into homog parts
- > In some ways the "eat up" version appeals to me more; though it might discourage casual use... (would that matter?)...
- 15:16 Feature #1033: Split poly into homog parts
- I'm against this idea, because I think it might be badly misused.
I see you want to apply it to IsInRadical for a ... - 13:50 Feature #1033: Split poly into homog parts
- If we do choose to introduce such a function, what should its name be?
- 11:17 Feature #1033 (Closed): Split poly into homog parts
- Introduce new function to split a poly into its homog parts.
What should the result be?
* @vector<RingElem>@ whe...
14 Mar 2017
- 14:18 Feature #1030: IsInRadical: case of homog ideal
- John Abbott wrote:
> I think that if the ideal @I@ is homog then @IsInRadical(f,I)@ is the same as the logical-and o... - 14:00 Feature #1030 (In Progress): IsInRadical: case of homog ideal
- I think that if the ideal @I@ is homog then @IsInRadical(f,I)@ is the same as the logical-and of @IsInRadical(f_d,I)@...
- 13:54 Feature #1030 (Closed): IsInRadical: case of homog ideal
- Currently @IsInRadical@ is defined in a CPKG5, but may soon be translated to CoCoALib.
The case of a homog poly in...
10 Mar 2017
- 19:18 Design #1019: CPP flags in installed library
- The tests are producing strange results: it seems that there is some mysterious problem with the threadsafe counter :...
- 19:17 Design #1019: CPP flags in installed library
- I now have a first impl of the "preprocessor definitions" header file.
One question which has just arisen is the f...
08 Mar 2017
- 18:35 Design #1019: CPP flags in installed library
- After some consideration I think it is best to put all the CPP "flags" into a single header file, then any files whic...
- 15:26 Bug #1026: JanetBasis gives error indet index out of range
- There is a certain irony in finding this problem just 5 minutes after Mario left for good...
Is the implementation... - 15:24 Bug #1026 (New): JanetBasis gives error indet index out of range
- The following input gives an error:...
06 Mar 2017
- 19:37 Feature #1022: New "LF" function which is based on StdDeg
- Winfried Bruns wrote:
> Why not have a function for decomposing a polynomial into its homogeneous components? There ... - 19:14 Feature #1022: New "LF" function which is based on StdDeg
- Here is the function.
I'm still uncertain whether this should be part of cocoalib or not.
Anyway it may be copied... - 17:50 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.
- 16:50 Feature #1022: New "LF" function which is based on StdDeg
- CoCoALib currently offers @deg@ (or equiv. @StdDeg@) and @wdeg@. These functions throw an exception if the ring has ...
- 16:44 Feature #1022 (New): New "LF" function which is based on StdDeg
- [2017-03-06] Bruns requested by email to have a function like *@LF@* which works with respect to the standard grading...
- 13:30 Design #1019: CPP flags in installed library
- *NOTE* I have just learned that if you press return while typing in the comment "subject" line, redmine then "finishe...
- 11:45 Design #1019: CPP flags in installed library
- Here is a list of the CoCoA CPP flags:
* *@CoCoA_ULONG2LONG@*
* *@CoCoA_THREADSAFE_HACK@*
* *@CoCoA_DEBUG@*
* *@C...
05 Mar 2017
- 21:20 Design #1019: CPP flags in installed library
- To me it seems that approach *(A)* is less convenient and more risky/annoying (since any problem is reported only aft...
- 21:13 Design #1019 (In Progress): CPP flags in installed library
- Recently Bruns reported a compilation problem (see #1015) which turned out to be a problem of missing CPP flags. A s...
- 21:01 Design #1019 (Closed): CPP flags in installed library
- What is the best way to ensure that any important CPP flags are correctly set when using CoCoALib?
One approach is...
03 Mar 2017
- 15:12 Bug #1015 (Feedback): Bruns SEGV: SparsePolyIter/DMPI problem
- 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
- 15:51 Bug #1015: Bruns SEGV: SparsePolyIter/DMPI problem
- JAA should also check the value of ULONG2LONG... perhaps need a template approach?
- 15:22 Feature #202 (In Progress): MatrixView/function for viewing a single row or column (RowMat, ColMat)
- Implemented (using @submat@).
Still have to write tests and doc.
- 14:50 Design #934: MachineInt: change semantics?
- After personal discussion in Kassel: I agree.
- 13:51 Feature #958: New function: multiplicity and dim
- Still to do: non-homogenous input
- 13:34 Feature #958: New function: multiplicity and dim
- John Abbott wrote:
> What exactly does multiplicity do?
>
> I made the mistake of trying to compute @multiplicity... - 13:46 Feature #931: GBasis verbose mode
- Set 100 for first GBasis printouts
- 13:39 Feature #931: GBasis verbose mode
- John Abbott wrote:
> In the meantime, Anna plans to add the appropriate verbosity lines to @myDoGBasisElimFirst@.
... - 11:08 Feature #931: GBasis verbose mode
- Answer to previous question is that internally Anna uses a hack: she calls @myDoGBasisElimFirst@ rather than the gene...
- 13:46 Feature #961: New function: ReducedGBasis
- John Abbott wrote:
> I prefer to have two distinct functions *@GBasis@* and *@ReducedGBasis@* because:
done.
Sho... - 11:24 Feature #961: New function: ReducedGBasis
- I prefer to have two distinct functions *@GBasis@* and *@ReducedGBasis@* because:
* the name *@ReducedGBasis@* gives... - 13:44 Feature #902 (Closed): New function: FrobeniusMat
- 13:44 Feature #962: General verbose mode?
- Changed interface (after personal discussion in Kassel):...
- 13:31 Feature #357: Constructor for vectors? CoCoAVector
- It seems to me that this will be covered by the "braced constructor" for C++ vectors that appeared in C++11.
What ... - 13:31 Feature #957 (Feedback): New function: HasGBasis
- 11:16 Feature #1016 (Closed): ReducedGBasis for RingWeyl (and other non-commutative rings)
- Implement @ReducedGBasis@ for @RingWeyl@ and other potential future non-commutative rings.
01 Mar 2017
- 18:04 Bug #1015: Bruns SEGV: SparsePolyIter/DMPI problem
- I have now added an automatic check for @CoCoA_THREADSAFE_HACK@.
If you compile the library with one setting and try... - 14:43 Bug #1015 (Resolved): Bruns SEGV: SparsePolyIter/DMPI problem
- The problem goes away if the flag *@-DCoCoA_THREADSAFE_HACK@* is added to the compilation line.
At the moment I do... - 14:16 Bug #1015: Bruns SEGV: SparsePolyIter/DMPI problem
- The problem continues to arise with the following simplified compilation command:...
- 14:06 Bug #1015: Bruns SEGV: SparsePolyIter/DMPI problem
- Here we have a minimal failing example:...
- 13:40 Bug #1015 (In Progress): Bruns SEGV: SparsePolyIter/DMPI problem
- The problem arises under the following conditions:
* CoCoALib is configured with @--threadsafe-hack@ and @--no-boost... - 13:37 Bug #1015 (Closed): Bruns SEGV: SparsePolyIter/DMPI problem
- Winfried Bruns reported a SEGV problem by email.
The following code will exhibit it: @F@ is a poly with a single t...
Also available in: Atom