Activity
From 28 Sep 2021 to 27 Oct 2021
27 Oct 2021
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13:13 CoCoA-5 Support #1006: External dependencies for building
- A possible compromise to avoid deleting the documentation if the software components needed to rebuild it are not pre...
25 Oct 2021
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- In @FractionField.C@ I have found this check-in comment:...
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- I think I have made most of the changes... quite a mind-numbing experience :-(
I may have found a couple of typos ... -
- Scott Meyers, in Effective Modern C++, writes in Item 12 that one should use the new C++ keyword *@override@* for mem...
22 Oct 2021
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08:22 CoCoALib Feature #1589 (Feedback): IdealOfPoints: allow matrix of points to be defined over "wrong" ring
- Added test
21 Oct 2021
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- My CoCoA-5 ended abruptly when I sent an EOF as an input: is that to be expected?...
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- It seems to work fine on my linux box.
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- Long tried @PlayCantStop@ (On Microsoft) but quickly wanted to give up.
However, interrupting did not work. He had ...
20 Oct 2021
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- Maybe poor Anna will have to do a merge?
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- This is almost done. I made the change while making a belated, corrected video for last week's CoCoALib course.
Wil... -
- I have checked in the version which rejects constant but accepts polyrings with 1 indet.
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- I tried throwing an exception if the arg was a constant or if the polyring had just 1 indet, but several tests failed...
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- If we do change the semantics, *don't forget to change the doc as well!* And perhaps also change the tests!
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- I have just modified the imple of @UnivariateIndetIndex@ so that it produces an error if the input is constant or if ...
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- Robbiano would like @factor@ to work for integers (or some integers, at least).
How can we do this reasonably? Mayb...
18 Oct 2021
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- I suppose we could change the printed form to something like this:...
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- I have now found examples where the EmacsUI can change colours annoyingly: printing out homomorphisms....
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- Here is an example of what I mean:...
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- I have set the target version as 5.3.4, but this may be wildly optimistic.
I fear that this request may be rather ha... -
- I have noticed that error messages produced by fns which are defined in *@BuiltinOneLiners@* are less precise than th...
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- I have set 5.3.4 as the target version because I think it would be a good idea to have a first version available soon...
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- We need to produce documentation explaining the difference between the various *@BuiltIn@* files.
When someone wants... -
- Compare also with *@LinKer@* which returns MAT and *@LinKerBasis@*, returning LIST LIST RINGELEM.
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- The problem as describe is still present.
The easy approach is to leave the interpreter as is, and just change the...
17 Oct 2021
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- I have just checked in a modified version of cocoa5.el.
I have replaced line 1337 by an *@if@* which sets the major ...
15 Oct 2021
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- I think the relevant line is 1337 in @cocoa5.el@... too tired to try now.
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- A quick search produced the following advice:
https://stackoverflow.com/questions/2238418/emacs-lisp-how-to-get-bu... -
14:24 CoCoALib Bug #1620 (New): MinPolyQuot not documented
- MinPolyQuot is available in CoCoALib but is not documented.
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- It seems like this is already implemented. There is a function mySaturate in _AlgebraicCore/SparsePolyOps-ideal.C_.
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14 Oct 2021
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- Mmm, should it be an error to call @UnivariateIndetIndex@ if the polyring has just 1 indet?
After all, the answer i... -
- I think that *@ex-RingElem2@* needs to be updated/tidied.
For instance, there is no need to pass the ring to the f...
13 Oct 2021
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- What about the case of a constant poly in a polyring with just 1 indet?
Error or not? (assuming we opt for an error... -
- What are the exact semantics of *@UnivariateIndetIndex@*?
In particular what should the function return if passed ... -
12 Oct 2021
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- (2021-10-12) Last time this was checked was 4 years ago! We must check to see if it still a problem!
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- The situation has improved. Maybe I will get good feedback from the course here in Kassel (2021-10-12).
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- I think this has progressed but nothing was noted here. Increased %done.
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- *2021-10-12* this is still a problem.
Presumably the problem comes from computing a multivariate gcd over a finite... -
- Esiste ancora questo problema? Non ho piu` sentito niente.
Possiamo semplicement chiudere l'issue? -
- Any progress on this issue in the last year?
05 Oct 2021
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- I have boosted priority to "high" because I would like this to be completed soon!
04 Oct 2021
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- Similar to issue #1614, I have "hacked" the interpreter, and the examples seem to work now.
But I am not confident t... -
- I have rather blindly changed the interpreter. The code now seems to work as hoped (but I am not too confident that ...
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- This particular problem has been resolved (by eliminating the *@apply@* fn from CoCoALib).
In this case the removal ... -
- We should move towards making *@apply@* obsolescent in CoCoA-5 now that RINGHOM can be applied directly to LIST and M...
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- I am not sure whether the following behaviour is what is wanted:...
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- *THIS IS REALLT A DUPLICATE OF #1598. SO REJECTING!*
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- As done for CoCoALib, permit RINGHOMs to be applied directly to LIST and MAT.
Then eliminate @apply@ (or make it obs... -
- In the end my hand was forced.
Some future version of C++ (maybe C++17?) defines a template fn *@apply@* which match... -
- checked in (4 Oct 21)
02 Oct 2021
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- The relevant source code is around line 4170 in @Interpreter.C@
inside the function @void SourceRegionStatement::imp... -
- Here is the simplified failing example from issue #1613:...
01 Oct 2021
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- According to gdb the fn is called (indrectly) from @Interpreter.C:3032@ in @Interpreter::run@
I think the problem m... -
- Probable source code:
@RINGHOM::eval@ around line 2792 in @Interpreter.C@
Probably called from: @intrusive_ptr<Va... -
- Simpler failing example:...
30 Sep 2021
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- Actually a separate bug: @CommonDenom(a*x^2-1/a)@ gives 1 rather than @a@... Ooops!
*NOTE* the code looks fine, ... -
- The following causes a crash: why was the exception not caught and handled?...
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- Do we want to handle structured matrices like sparse matrices? _e.g._ Toeplitz matrices are specified by just a few ...
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- Merge the doc file *@RadicalMembership.txt@* into *@ideal.txt@*?
Note that the doc refers to @ex-RadicalMembership... -
- The CoCoALib doc for @PrimaryDecomposition@ needs to be improved.
I have just added a description of the data type i...
28 Sep 2021
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- fixed. I didn't encounter other new bugs.
Updated test-exbugs -
- This seems to be the problem...
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