Activity
From 22 Aug 2019 to 20 Sep 2019
20 Sep 2019
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16:10 CoCoA-5 Feature #1231: system command
- There is currently no manual entry for *@SystemCommand@*.
19 Sep 2019
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13:23 CoCoA-5 Feature #1316: Matrix row reduction (rref)
- What exactly should the user interface be?
* Just return the rref?
* return rref and a transformation?
* must th... -
13:21 CoCoA-5 Feature #1316 (Closed): Matrix row reduction (rref)
- Julian Danner would like a function for computing the "row reduced echelon form" (rref) of a matrix.
18 Sep 2019
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10:23 CoCoA-5 Support #1315: Manual entry about reporting bugs?
- What ways do we have for reporting bugs? Email to @cocoa@? Write it on redmine? Email a person?
Suitable keywor... -
10:21 CoCoA-5 Support #1315 (Closed): Manual entry about reporting bugs?
- After reading about the problems with *@=@* and *@;@* in aquamacs, I thought "Why didn't he just report the bug norma...
13 Sep 2019
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11:30 CoCoALib Support #1263: Tidy CoCoALib test directory
- I added a new "exbug" to one of the @test-bugN.C@ files, and noticed that it was quite a nuisance having to add all t...
12 Sep 2019
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09:44 CoCoA-5 Support #1312: Wrong links on page about COCOA School in Sapporo
- Elisa e Michele: Esistono ancora le pagine ufficiali del corso sul sito dell'universita'? io non le riesco a trovare.
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08:33 CoCoA-5 Support #1314: Emacs UI: open manual pages in a separate frame?
- It could be quite tricky to implement.
Anyway, I think it should be a separate window, not buffer.
Opening another ...
11 Sep 2019
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21:07 CoCoA-5 Support #1314 (In Progress): Emacs UI: open manual pages in a separate frame?
- Martin Kreuzer says he likes the manual pages to appear separate from the output of commands.
I can see his point, e... -
21:04 CoCoA-5 Support #1027: CoCoAManual: add a page with some emacs hints?
- I would also like some information which does not require access to internet.
I notice that CoCoA-5 no longer ment... -
15:47 CoCoA-5 Feature #1313 (New): Automatic conversion from RINGELEM to INT
- CoCoA-5 can be awkward about not "recognising" that a value is an integer....
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14:24 CoCoA-5 Support #1312 (Closed): Wrong links on page about COCOA School in Sapporo
- The links to course details on the web page for the 2018 School in Sapporo lead to something about "alien (species) i...
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14:14 CoCoA-5 Support #1311: THINGS TO DO IN GENOVA September 2019
- Here is a list of files *@ex-*.C@* which are not compiled by the @Makefile@:
* ex-BenchmarkToolkit.C, ex-DellaCorte... -
13:55 CoCoA-5 Support #1311: THINGS TO DO IN GENOVA September 2019
- Here is a short list of things to do:
* make interim release
* start planning release for next COCOA School
Anna... -
13:53 CoCoA-5 Support #1311 (Closed): THINGS TO DO IN GENOVA September 2019
- This is a pseudo-issue: I have created it just to gather together issue we should should try to address while I'm in ...
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13:51 CoCoALib Bug #905: txt2tags: double quotes wrong in LaTeX
- This is still a problem. It would be nice to fix it before a deadline on 29th Sept!
I am also not convinced by th... -
13:41 CoCoA-5 Bug #1286 (In Progress): Website: trouble with the world map
- The CPU burning problem continues to exist apparently even without visiting the site in private mode (but I have forg...
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11:29 CoCoALib Bug #1310 (Feedback): RealRoots: gives odd number of roots for deg 6 irred poly
- I have found a bug, and fixed it! It produces reasonable answers on the two tests mentioned above:...
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10:30 CoCoALib Bug #1310: RealRoots: gives odd number of roots for deg 6 irred poly
- I now have a simpler failing example:...
10 Sep 2019
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17:32 CoCoALib Bug #1310 (In Progress): RealRoots: gives odd number of roots for deg 6 irred poly
- There appear to be two real roots: approx -4.00095 and 1.05
@RootBound(f)@ gives about 2.95; *this is wrong!* -
13:53 CoCoALib Bug #1310 (Closed): RealRoots: gives odd number of roots for deg 6 irred poly
- The following looks to be wrong:...
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12:26 CoCoALib Design #1309: SmoothFactor: allow limit = 1?
- I have just changed the code to allow limit=1. All tests and examples pass (which suggests that the tests were not v...
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11:58 CoCoALib Design #1309: SmoothFactor: allow limit = 1?
- There are two separate impls for @SmoothFactor@ (one for @MachineInt@ and one for @BigInt@). One allowed the limit 1...
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11:41 CoCoALib Design #1309 (In Progress): SmoothFactor: allow limit = 1?
- The original reason for imposing the limit was to help users detect "obviously silly" function calls. Now I think th...
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11:36 CoCoALib Design #1309 (Closed): SmoothFactor: allow limit = 1?
- The @SmoothFactor@ function tries to factorize integers by dividing by all primes up to a specified limit.
Current...
05 Sep 2019
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16:29 CoCoALib Bug #1308: test-GFan1 fails
- How much backward compatibility should be maintained? It might be too tricky; perhaps we should just require that us...
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16:27 CoCoALib Bug #1308 (Closed): test-GFan1 fails
- I have moved to @gfanslib-0.6.2@ and now @test-GFan1@ produces the following error:...
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16:17 CoCoA-5 Bug #1307 (Closed): Linking problem
- The problem was that I was trying to link against libraries which I had compiled before installing the new OS.
Recom... -
11:28 CoCoA-5 Bug #1307: Linking problem
- My platform is Ubuntu 18.04, and the compiler is @gcc version 7.4.0@.
The compiler says it was configured with the... -
11:23 CoCoA-5 Bug #1307 (Closed): Linking problem
- I have recently tried to compile @CoCoAInterpreter@ with (several) external libraries selected.
The compilation fail...
02 Sep 2019
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16:47 CoCoALib Feature #1306: exgcd over integers (ZZ)
- Name *@extgcd@*?
I prefer with the *'t'*
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16:12 CoCoALib Feature #1306: exgcd over integers (ZZ)
- The cofactors are defined only modulo the lattice of "syzygies" (kernel of the row matrix); the hope is that the vect...
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16:08 CoCoALib Feature #1306 (In Progress): exgcd over integers (ZZ)
- Implement a general extended gcd over the integers.
The idea is that the cofactors should be reasonably small.
Pr... -
16:31 CoCoA-5 Feature #1305: Create a directory
- I much prefer having @CreateDirectory@.
In fact, I'd like it to give a warning if the directory already exists,
(an... -
16:15 CoCoA-5 Feature #1305: Create a directory
- I prefer not to jump straight to C++17 (as it is only 2019).
We can probably use the BOOST impl since CoCoA-5 requir... -
15:56 CoCoA-5 Feature #1305: Create a directory
- I agree it would be nice.
Do you want to do it now, or wait a bit before going all the way to C++17? -
15:45 CoCoA-5 Feature #1305: Create a directory
- It seems that C++17 includes a portable command for creating directories (@create_directory@), so this would make por...
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15:39 CoCoA-5 Feature #1305 (New): Create a directory
- Ange asked about a command in CoCoA for creating a directory.
Do we want to offer such a command?
Perhaps @OpenOFil...
29 Aug 2019
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14:55 CoCoALib Feature #1227: exgcd; solve Bezout equation
- An exgcd function would be very useful.
It is used in computing the Hermite normal form (#1304) and in computing Gr... -
14:43 CoCoA-5 Feature #1304 (New): Hermite normal form
- I created a prototype implementation for computing the Hermite normal form and for solving linear systems over the in...
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12:17 CoCoA-5 Feature #1272: Groebner Bases over ZZ
- Changes to the previous version:
- some code cleanup
- fix bug in the ExtendedGBoverZZ function
- add functions Is...
27 Aug 2019
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11:09 CoCoA-5 Bug #1303 (Rejected): Manual looking for "?"
- CoCoA's behaviour on the following inputs is a bit unexpected:...
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11:05 CoCoA-5 Bug #1261 (Feedback): ASCII function
- No reaction in the last 5 months; did Anna test the code (and check it in)?
Moving to feedback.
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