CoCoA

29 Jul 2021

10:51 CoCoA-5 Bug #1604 (In Progress): SqFreeFactor crashes over non-perfect field

Correction: the problem seems to be that @SqfreeFactorCharP@ goes into an infinite loop.
The call to @IteratedPthR... John Abbott

28 Jul 2021

22:31 CoCoA-5 Bug #1604: SqFreeFactor crashes over non-perfect field

The problem appears to be an infinite loop inside *@PthRoot@* (in @ring.C:1220--1250@).
For some reason the iterator... John Abbott

27 Jul 2021

14:42 CoCoA-5 Bug #1604 (In Progress): SqFreeFactor crashes over non-perfect field

It seems like SqFreeFactor only works over perfect fields, but CoCoA does not check whether the ring is defined over ... Florian Walsh

19 Jul 2021

15:54 CoCoALib Bug #1601 (In Progress): Compilation ambiguity

I have now modified *@apply.H@* so that the *@apply@* function for vectors is just a normal function (rather than a p... John Abbott

14:13 CoCoA-5 Bug #946: Function "ideal" evaluates the argument twice

(I'll see ModuleElem) Anna Maria Bigatti

12 Jul 2021

19:59 CoCoA-5 Support #1603 (Rejected): Unhelpful behaviour in "compatibility mode": double error mesg

Syntactic errors inside compatibility mode can be unhelpful:... John Abbott

02 Jul 2021

17:27 CoCoALib Feature #1598: RingHom: implement phi(X) as apply(phi, X) also for X vector and matrix

I made a prototype for matrix. Needs to be tested properly. Anna Maria Bigatti

17:27 CoCoA-5 Bug #946: Function "ideal" evaluates the argument twice

Just 1 left: @ModuleElem@
Relevant source seems to be in @BuiltinFunctions-CoCoALib.C@ around line 1465.
At the m... John Abbott

16:20 CoCoA-5 Bug #946: Function "ideal" evaluates the argument twice

Created new fn *@SpecializeToListOfRingElem@* which converts a generic @LIST@ into a list of @RINGELEM@ (I hope).
... John Abbott

16:17 CoCoA-5 Bug #946: Function "ideal" evaluates the argument twice

at the end of this file there is a section "TO BE FIXED" with the last few cases to be fixed.
Anna Maria Bigatti w... Anna Maria Bigatti

17:26 CoCoALib Feature #1602 (New): Sparse matrix (SparseMat)

Create new type for representing sparse matrices.
Then check all code which by default creates a @DenseMat@ (becau... John Abbott

15:52 CoCoA-5 Feature #1599 (Resolved): ConcatStr

Renamed to *@ConcatStrings@*.
Very clear.
John Abbott

15:41 CoCoALib Bug #1601: Compilation ambiguity

Florian reports problems compiling the following mini-prog using gcc-11.... John Abbott

15:35 CoCoALib Bug #1473 (Feedback): isystem not working as expected

Anna says it works.
It is just a cheap hack: if @uname@ gives @Darwin@ then it uses @-I@ instead of @-isystem@.
John Abbott