Activity
From 13 Apr 2021 to 12 May 2021
12 May 2021
- 16:57 CoCoA-5 Bug #1594: Parser bug: missing close square bracket
- It is really annoying that CoCoA-5 treats inputs via different mechanisms differently.
Anyway, I have some new faili... - 16:44 CoCoA-5 Bug #1594: Parser bug: missing close square bracket
- Huh???
If I run CoCoA inside emacs (so with readline disabled) and type in @[1,]@ as input then CoCoA crashes.
*B... - 14:06 CoCoA-5 Bug #1594: Parser bug: missing close square bracket
- Here are some more failing cases:...
- 10:45 CoCoA-5 Bug #1594: Parser bug: missing close square bracket
- Some relevant source code is in @Parser.C@ around line 1990, in the fn *@Parser::parseRecord@*
11 May 2021
- 12:10 CoCoA-5 Bug #1594: Parser bug: missing close square bracket
- Here are some more inputs which cause trouble:...
- 12:06 CoCoA-5 Bug #1594 (In Progress): Parser bug: missing close square bracket
- The exception is thrown at line 81 in @LineProviders.C@, and ought to have been caught
in line 376 of @Parser.C@. M...
10 May 2021
- 10:57 CoCoA-5 Bug #1594: Parser bug: missing close square bracket
- After some _ad hoc_ testing, it seems that the bug appears only when using CoCoA-5 through the Emacs interface.
@g... - 10:42 CoCoA-5 Bug #1594: Parser bug: missing close square bracket
- I confirm the bug exists also for the Linux version.
08 May 2021
- 17:14 CoCoA-5 Support #1478: HilbertBasis: clarify
- It seems that ...
- 16:53 CoCoA-5 Bug #1594 (Closed): Parser bug: missing close square bracket
- ...
07 May 2021
- 17:08 CoCoALib Support #1592: Normaliz 3.8.10
- Now it works.
Repeat on Linux (anche make cocoa-5.3.3b for linux)
- 08:20 CoCoA-5 Bug #1593 (New): CanonicalHom
- Hi,
I was just playing around with the function @PolyAlgebraHom@ and noticed that there is a weird behavior when w...
06 May 2021
- 16:11 CoCoALib Support #1592 (Feedback): Normaliz 3.8.10
- Thanks to Winfried Bruns!
I left the old lines in, in case someone needs to compile with 3.8.9.
These are the cha... - 07:28 CoCoALib Support #1592 (Closed): Normaliz 3.8.10
- At the moment CoCoALib is (again) not compatible with Normaliz latest version 3.8.10 (pre-release?).
Make it compa... - 07:23 CoCoALib Support #1591: Compilation of Normaliz
- The data types in Normaliz have changed. Now we need to understand what we should pick.
I tried...
05 May 2021
- 15:46 CoCoALib Bug #1585: CRASH/ABORT: GMP overflow
- I have put in _ad hoc_ protections for @factorial@ and @binomial@.
Still need to decide how high to set the overflow... - 13:29 CoCoALib Support #1591: Compilation of Normaliz
- It seems that I managed to compile libnormaliz.a with my gmp.
(info in our doc file, when I see it working)
But n...
02 May 2021
- 20:14 CoCoALib Support #1591: Compilation of Normaliz
- Following on from an email discussion between Winfried Bruns and Anna...
Anna is simulating a set-up where a user,...
30 Apr 2021
- 22:29 CoCoALib Support #1591: Compilation of Normaliz
- I suggest as a first step we try to contact Bruns to whether the Normaliz people can fix this quickly and easily.
If... - 09:28 CoCoALib Support #1591 (Closed): Compilation of Normaliz
- With my new computer I cannot compile libnormaliz succesfully.
MacOS 10.15 Catalina
with personal installation of... - 17:58 CoCoALib Bug #1473: isystem not working as expected
- *2021-04-30* we have just verified that this is still a problem when using clang on MacOS.
The solution seems to be ...
28 Apr 2021
- 14:44 CoCoALib Feature #1381: Type ideal for ZZ[x[1..n]]
- I have just checked in my current changes... they are not well designed (but the test above works as hoped).
- 10:57 CoCoALib Feature #1381: Type ideal for ZZ[x[1..n]]
- Here is my first _ad hoc_ test:...
27 Apr 2021
- 22:45 CoCoALib Feature #1381: Type ideal for ZZ[x[1..n]]
- I think I have fixed ideal product now: it calls the "clever monomial short-cut" only if the coeff ring is a field (a...
- 21:51 CoCoALib Feature #1381: Type ideal for ZZ[x[1..n]]
- I suspect the example in the previous note is wrong because an ideal is a recognized as "monomial over field" without...
- 20:22 CoCoALib Feature #1381: Type ideal for ZZ[x[1..n]]
- A quick test of ideal product suggests that it does not work properly in @ZZ[...]@...
- 14:05 CoCoALib Feature #1381: Type ideal for ZZ[x[1..n]]
- The CoCoA-5 tests all passed, and I succeeded in creating an ideal in @ZZ[x,y,z]@.
Next thing is to check that som... - 13:56 CoCoALib Feature #1381 (In Progress): Type ideal for ZZ[x[1..n]]
- The relevant source code seems to be around line 364 of @SparsePolyOps-ideal.C@.
I'll try disabling the check insi...
26 Apr 2021
- 16:03 CoCoALib Bug #1590 (Feedback): CRASH: LinKerZZ
- The problem was an incorrectly sized vector; the bug was "hidden" by a poor choice of variable name (was *@row@*, now...
- 15:07 CoCoALib Bug #1590: CRASH: LinKerZZ
- The correct input should have been the transpose of the matrix.
- 15:06 CoCoALib Bug #1590 (Closed): CRASH: LinKerZZ
- Florian reports:...
- 14:07 CoCoALib Support #1555: Software licence
- Currently our copyright notice in source code files says the following (following guidance from FSF about using GPL):...
20 Apr 2021
- 06:54 CoCoALib Feature #1589 (Resolved): IdealOfPoints: allow matrix of points to be defined over "wrong" ring
- Easy to fix for most of the reasonable cases....
- 06:49 CoCoALib Feature #1589 (Closed): IdealOfPoints: allow matrix of points to be defined over "wrong" ring
- This works...
19 Apr 2021
- 20:55 CoCoALib Bug #1585: CRASH/ABORT: GMP overflow
- There are very many cases to consider, esp. if we want to cover all (or almost all) possibilities.
Now I am more i... - 12:03 CoCoALib Bug #1585: CRASH/ABORT: GMP overflow
- How to test if the overflow detection mechanism is working properly (_i.e._ throws an exception instead of causing a ...
- 15:55 CoCoALib Design #855: Copyright and authorship?
- Write something like:...
- 15:53 CoCoALib Design #855: Copyright and authorship?
- To do:
* @TmpFactorDir@
* @TmpHilbertDir@
* etc?
- 14:10 CoCoA-5 Support #448: EmacsUI Source/SourceRegion produce warning on Microsoft Windows 7 Ultimate
- Maybe we can ask Bernhard Andraschko to check; he does have access to a M$ computer.
I have added him as watcher. - 13:55 CoCoA-5 Feature #1431: Juxtaposition of string literals
- Another point in favour of @ConcatStr@ is that it could insert newlines between the strings in a list, rather than re...
- 13:48 CoCoA-5 Feature #1372: New function: find ?
- An important feature of the C++ version of @find@ is that it advances an iterator -- effectively it is "find next".
...
18 Apr 2021
- 22:51 CoCoALib Bug #1585: CRASH/ABORT: GMP overflow
- I have put a first version of @mpz_mul@ with overflow check in @utils-gmp@.
A quick suggests that it is working as e...
15 Apr 2021
- 11:34 CoCoALib Feature #1306: exgcd over integers (ZZ)
- The source code is in *@NumTheory-gcd.C@*.
- 11:25 CoCoALib Bug #1473: isystem not working as expected
- Any update?
- 10:38 CoCoALib Bug #1579 (In Progress): Readexpr/RingElem: unhelpful error message when input is wrong
- I have added a simple extra test: if the first char after the end of the expr is @'^'@, then it prints out a more hel...
- 10:23 CoCoALib Slug #1057: Slug: Polynomial ring contructor slow with (big) matrix ordering
- *Here is a benchmark* (since there was none given earlier:...
- 10:17 CoCoALib Slug #1588: ElimMat is slow
- My guess is that the code repeatedly calls @rank@, but we should be able to be "clever" in some common cases.
Is i... - 10:15 CoCoALib Slug #1588 (New): ElimMat is slow
- @ElimMat@ is rather slow for larger inputs:...
- 09:50 CoCoALib Design #1528: MacOS compilation with clang
- Any progress here?
It is enough to make small steps rather than try to do it all in one go.
Presumably compilatio...
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