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From 06 Mar 2017 to 04 Apr 2017

04 Apr 2017

17:04 Feature #1035 (In Progress): Improvement: how to sort QuotientBasis?
First we should decide what the public interface is to be.
* One possibility is to have 2 fns *@QuotientBasis@* and ...
John Abbott

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...
Anna Maria Bigatti
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.
Anna Maria Bigatti
18:13 Support #953 (Closed): new file for old functions: obsolescent.C
Anna Maria Bigatti
18:09 Bug #971 (Closed): CheckForInterrupt does not work in the expected way
John Abbott
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... John Abbott
11:49 Feature #1036 (Feedback): LogStream: stream for log output
Already implemented: very simple. Written doc.
The only thing missing is an example.
John Abbott
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...
John Abbott

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...
Anna Maria Bigatti
13:57 Feature #206: Matrix equation solving: LinKer
Add also the syntax @LinKer(L)@ where L is a list of linear polynomials. Anna Maria Bigatti
17:11 Feature #313: Elim(vector<long>) as PPOrderingCtor
Should we postpone this issue to the next version? John Abbott
16:56 Slug #1009: coefficients for MinPoly e Frobenius
Postpone to next version? John Abbott
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).... Anna Maria Bigatti

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?)... John Abbott
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 ...
Anna Maria Bigatti
13:50 Feature #1033: Split poly into homog parts
If we do choose to introduce such a function, what should its name be? John Abbott
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...
John Abbott

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...
Anna Maria Bigatti
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)@... John Abbott
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...
John Abbott

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 :... John Abbott
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...
John Abbott

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... John Abbott
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...
John Abbott
15:24 Bug #1026 (New): JanetBasis gives error indet index out of range
The following input gives an error:... John Abbott

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 ...
Anna Maria Bigatti
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...
Anna Maria Bigatti
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. Winfried Bruns
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 ... John Abbott
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... John Abbott
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... John Abbott
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...
John Abbott
 

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