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From 06 Aug 2016 to 04 Sep 2016

02 Sep 2016

15:55 CoCoA-5 Design #478: Use of dollar-dot ($.) in packages
John Abbott wrote:
> Should I "close" or even "reject" this issue?
I agree. I think we should "reject"
Anna Maria Bigatti
14:18 CoCoA-5 Design #478 (Feedback): Use of dollar-dot ($.) in packages
JAA notes that the dollar-dot prefix (or perhaps also the full prefix?) is necessary for package local variables.
...
John Abbott
14:49 CoCoA-5 Bug #712 (In Progress): External Libs: missing dependencies in Makefiles
In a perfect world the CoCoA files which connect to external libraries should depend on the corresponding header file... John Abbott
14:25 CoCoALib Design #908: Sum of ideals: what are the generators of (x) + (0)?
Since we shall need to discuss this, I think it is better to postpone the "delivery date" rather than take hasty acti... John Abbott
13:45 CoCoA-5 Bug #918 (In Progress): UniversalGBasis: sometimes gives error
A simpler failing case is:... John Abbott

01 Sep 2016

16:02 CoCoA-5 Bug #918: UniversalGBasis: sometimes gives error
try now (just checked it the new code using @CallOnGroeberFan@) Anna Maria Bigatti
15:32 CoCoA-5 Bug #918: UniversalGBasis: sometimes gives error
The code for @UniversalGBasis@ simply makes the union of all the reduced GBases produced by @GroebnerFanIdeals@. Sho... John Abbott
11:37 CoCoA-5 Bug #918 (Closed): UniversalGBasis: sometimes gives error
The following input produces an error (cannot index empty list)... John Abbott

31 Aug 2016

16:06 CoCoA-5 Design #917: CallOnGroebnerFanIdeals: better to use an iterator (or a "stream")
Yes, it would require some modification to the interpreter.
It would anyway be interesting to have such "stream" o...
John Abbott
14:36 CoCoA-5 Design #917: CallOnGroebnerFanIdeals: better to use an iterator (or a "stream")
John Abbott wrote:
> I have in mind a "stream", so the user could write CoCoA code like the following:
> [...]
O...
Anna Maria Bigatti
14:28 CoCoA-5 Design #917: CallOnGroebnerFanIdeals: better to use an iterator (or a "stream")
but there is no such thing in CoCoA-5.... Anna Maria Bigatti
14:28 CoCoA-5 Design #917: CallOnGroebnerFanIdeals: better to use an iterator (or a "stream")
I have in mind a "stream", so the user could write CoCoA code like the following:... John Abbott
14:25 CoCoA-5 Design #917 (New): CallOnGroebnerFanIdeals: better to use an iterator (or a "stream")
The fn @CallOnGroebnerFanIdeals@ is not a good way of achieving its end.
Design and implement a better way.
John Abbott

25 Aug 2016

17:42 CoCoA-5 Support #916 (New): use command: unhelpful error if you use := instead of ::=
Here is an excerpt from a CoCoA session containing a "typo" (OK, it's 33 degrees here, and I wasn't concentrating)
<...
John Abbott

22 Aug 2016

16:45 CoCoALib Feature #914: New function: quorem for univariate polynomials?
The request for @quorem@ (or whatever it will be called) seems reasonable to me -- at first sight, anyway.
If the ...
John Abbott
16:42 CoCoA-5 Support #915: When is a semicolon needed to end a statement/command?
This question came to me as I was writing the tutorials for CoCoA-5. I actually thought that the final semicolon was... John Abbott
16:06 CoCoA-5 Feature #912: Add TUTORIALs to online manual
As a "proof of concept" I have written and checked in two tutorial pages: 0 (ciao) and 1 (manual).
I'll see what Ann...
John Abbott
16:05 CoCoA-5 Feature #912 (In Progress): Add TUTORIALs to online manual
Here is a proposal for how we could organize tutorials as manual pages in CoCoA-5.
Tutorial Content
0 ...
John Abbott

20 Aug 2016

22:04 CoCoA-5 Support #915 (New): When is a semicolon needed to end a statement/command?
Some commands do not need a semicolon to make them happen.... John Abbott

16 Aug 2016

19:32 CoCoALib Feature #914: New function: quorem for univariate polynomials?
There is a function which is not publicly available: @DivMod@ in DenseUPolyRing.C.
Should we make that function avai...
Anna Maria Bigatti
19:29 CoCoALib Feature #914 (New): New function: quorem for univariate polynomials?
(requested by Christoph Fuerst)
> I've seen at the examples that there are routines available
>> IsDivisible
>> op...
Anna Maria Bigatti
 

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