CoCoA Project

10 Jun 2021

19:22 CoCoA-5 Bug #946: Function "ideal" evaluates the argument twice

> We must develop a proper test suite for the various cases listed in comment 6. This will take some time; I hope mo... Anna Maria Bigatti

18:09 CoCoALib Feature #1598 (Closed): RingHom: implement phi(X) as apply(phi, X) also for X vector and matrix

phi(f) is equivalent to apply(phi, f).
Implement also for matrix and vector (and export it to CoCoA-5) Anna Maria Bigatti

18:01 CoCoA-5 Design #1568: RMap and image: obsolescent?

Move RMap in BackwardCompatible Anna Maria Bigatti

17:15 CoCoA-5 Design #1568: RMap and image: obsolescent?

Checking the packages using it: one is toric. Fix it! Anna Maria Bigatti

01 Jun 2021

11:46 CoCoA-5 Slug #31: theValue makes copy

John Abbott wrote:
> Current plan of action:
> * Find out why the template fns are defined in @BuiltinOneLiners.H@ ... Anna Maria Bigatti

29 May 2021

18:15 CoCoA-5 Feature #1112: New function: IsEmpty

John Abbott wrote:
> Is this in some way related to issue #31?
> If not, delete the link I have just created above.... Anna Maria Bigatti

28 May 2021

18:01 CoCoA-5 Slug #31: theValue makes copy

Now investigate why the code is split in Interpreter.H and BuiltInOneLiners.H Anna Maria Bigatti

17:59 CoCoA-5 Slug #31: theValue makes copy

The (template) function theValue makes a copy of... Anna Maria Bigatti

17:58 CoCoA-5 Slug #1597 (Feedback): GetRow/GetRows are extraordinarily slow

Anna Maria Bigatti

13:52 CoCoA-5 Slug #1597: GetRow/GetRows are extraordinarily slow

------ *THIS IS NOW COPIED IN #31* --------
The (template) function @theValue@ makes a copy of... Anna Maria Bigatti

10:47 CoCoA-5 Slug #1597: GetRow/GetRows are extraordinarily slow

... Anna Maria Bigatti

15:43 CoCoA-5 Slug #687: Builtin fn makes unnecessary copy of arg

John Abbott wrote:
> Now it takes 0.001s. No idea why it is fast now and not before.
I guess is was for the move... Anna Maria Bigatti

27 May 2021

12:54 CoCoA-5 Slug #1597: GetRow/GetRows are extraordinarily slow

Further investigation, this is very surprising for me... Anna Maria Bigatti

12:22 CoCoA-5 Slug #1597: GetRow/GetRows are extraordinarily slow

Fixed... Anna Maria Bigatti

11:49 CoCoA-5 Slug #1597: GetRow/GetRows are extraordinarily slow

This also corresponds to the time for... Anna Maria Bigatti

21 May 2021

16:43 CoCoALib Feature #1466: Ops += *= etc for Matrices?

I think the syntax is worth having, and I think it should be exception safe, as for RingElems.
Anna Maria Bigatti

16:31 CoCoA-5 Feature #1596: Add CoCoA5 function NmzHilbertBasisKer

Internally, in CoCoALib, the input/output interface with Normaliz is through matrices, and this was chosen because it... Anna Maria Bigatti