Activity
From 12 Jul 2017 to 10 Aug 2017
09 Aug 2017
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09:15 CoCoALib Feature #1094 (In Progress): Revive code for SelfSaturating GBasis
- Compiles and run, but gives the wrong answer, because the temporary ring does not have the homogenizing indeterminate...
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09:11 CoCoALib Feature #1094 (In Progress): Revive code for SelfSaturating GBasis
- The code is there.
Make it work.
04 Aug 2017
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11:31 CoCoA-5 Design #1092 (Feedback): Design issues for discussion in July 2017
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11:31 CoCoA-5 Design #1092: Design issues for discussion in July 2017
- homomorphism code
24 Jul 2017
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11:10 CoCoALib Feature #587: port to CoCoALib: Homomorphism pkg (ker, IsInjective, IsSurjective..)
- John Abbott wrote:
> I propose a new fn *@preimage0@* which returns either a preimage or the zero element of the dom... -
09:07 CoCoA-5 Design #1092: Design issues for discussion in July 2017
- I would like to talk about the MathSAT interface: the class I wrote, and the input for MSatLinSolve.
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09:05 CoCoA-5 Design #939 (Feedback): Rename Fact to factorial?
- @Fact@ is in BackwardCompatible.cpkg5, and not in the manual.
@factorial@ is the official name.
Should we close t...
23 Jul 2017
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16:30 CoCoA-5 Bug #1093: GUI: bugs and slugs
- I have changed the way CoCoALib handles signals. This forced me to make some changes to the source of the GUI (but w...
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16:20 CoCoA-5 Bug #1093: GUI: bugs and slugs
- The GUI really seems to have trouble with big outputs; my guess is that this is a QT "feature" :-/
@factorial(10^5... -
16:14 CoCoA-5 Bug #1093 (In Progress): GUI: bugs and slugs
- I know the GUI is on "life support" (or worse), but I'd like to gather in one place some of the problems it has just ...
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16:07 CoCoA-5 Slug #741 (Feedback): C5 GUI: slow to close
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16:04 CoCoA-5 Design #939 (In Progress): Rename Fact to factorial?
- How about making *@Fact@* obsolescent?
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16:02 CoCoALib Feature #587: port to CoCoALib: Homomorphism pkg (ker, IsInjective, IsSurjective..)
- My "clever idea" in comment 2 for cleaning the gens of the kernel does not work well.
I have cleaned the students'...
22 Jul 2017
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15:18 CoCoALib Feature #1030: IsInRadical: case of homog ideal
- I wonder if either of the following ideas could be completed into an algorithm (with reliable output):
# if the idea... -
15:07 CoCoALib Feature #638: Time limit: let user specify time limit for a computation
- Checked in the new BOOST-free version.
Still have to update doc.
21 Jul 2017
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16:57 CoCoALib Feature #638: Time limit: let user specify time limit for a computation
- I have modified the structure of @interrupt@, and now have a new version of @CpuTimeLimit@ which does not need BOOST....
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16:28 CoCoA-5 Design #1091 (In Progress): ExternaLib-MathSAT: (first) prototype CoCoA-5 interface for MathSAT
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15:29 CoCoALib Bug #1078 (Feedback): makefile: ungraceful when interrupted
- I have just checked in a version which seems to work correctly in my (few) tests.
A crucial feature is use of the ...
20 Jul 2017
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13:12 CoCoALib Bug #1078 (In Progress): makefile: ungraceful when interrupted
- It seems that my first attempt does not work as hoped.
Now trying the obvious approach: create a @Makefile_depende... -
13:06 CoCoALib Bug #1089 (In Progress): invalid pointer in "free"
- After about 150 hours the program running under gdb the program finally died from a @SIGABRT@.
The problem occurre...
19 Jul 2017
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19:47 CoCoALib Design #1065 (Feedback): Design: should we allow an ideal to change ring?
- I have implemented the change: just delete the check inside @operator=@ for ideals.
Some simple tests passed (_e.g._... -
19:27 CoCoALib Support #1056: Release: CoCoALib-0.99560 (together with CoCoA-5.2.2)
- I would like to make a "release" for ISSAC/SC2 School. That is very soon, and there is probably not enough time to m...
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19:05 CoCoALib Support #1056 (In Progress): Release: CoCoALib-0.99560 (together with CoCoA-5.2.2)
- *RELEASE NOTES FOR CoCoALIB 0.99560* (or an interim version)
* @MinPolyQuot@ (modular) now has no limit on number ... -
19:20 CoCoALib Feature #1035: Improvement: how to sort QuotientBasis?
- As far as I can tell @QuotientBasisSorted@ is already implemented in CoCoA-5.
Should it be moved into CoCoALib?
S... -
19:14 CoCoALib Feature #1030 (Feedback): IsInRadical: case of homog ideal
- The CoCoA-5 package was translated into C++ by some students at Kassel.
I have cleaned up the resulting code, and ch...
17 Jul 2017
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16:46 CoCoA-5 Design #1092: Design issues for discussion in July 2017
- Keywords: ISSAC, SC-square, SC2
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16:45 CoCoA-5 Design #1092 (Closed): Design issues for discussion in July 2017
- Not really a single issue. Just to gather matters to discuss shortly.
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14:21 CoCoALib Feature #587: port to CoCoALib: Homomorphism pkg (ker, IsInjective, IsSurjective..)
- Should I log the time the students spent on this project? If so, how? (and where?)
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14:20 CoCoALib Feature #587 (In Progress): port to CoCoALib: Homomorphism pkg (ker, IsInjective, IsSurjective..)
- Since I had to assign some student projects after the CoCoALib mini-course (here in Kassel),
I gave the task of tran...
15 Jul 2017
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17:27 CoCoALib Feature #638 (Resolved): Time limit: let user specify time limit for a computation
- I have just checked in a first attempt at allowing users to impose time limits on computations in CoCoALib.
It use...
14 Jul 2017
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21:28 CoCoALib Bug #1088 (Resolved): MinPolyQuot: runs out of primes
- I think I have fixed the code: the only real change needed was to use @NewZZmod@ instead of @NewRingFp@.
This allows... -
18:01 CoCoALib Bug #1088: MinPolyQuot: runs out of primes
- John Abbott wrote:
> The problem is not yet fixed (but I did have to try "hard" to make a big enough example).
!?... -
17:04 CoCoALib Bug #1088 (In Progress): MinPolyQuot: runs out of primes
- The problem is not yet fixed (but I did have to try "hard" to make a big enough example).
The code should switch f... -
11:16 CoCoALib Feature #1090: ExternaLib-MathSAT: first prototype
- I made a class MathSAT::env as a wrapper for msat_env
The interface is currently only via matrices.
See @examples... -
11:04 CoCoA-5 Design #1091: ExternaLib-MathSAT: (first) prototype CoCoA-5 interface for MathSAT
- ...
13 Jul 2017
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17:32 CoCoA-5 Design #1091: ExternaLib-MathSAT: (first) prototype CoCoA-5 interface for MathSAT
- First prototype working, very naive implementation...
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17:17 CoCoA-5 Design #1091 (Closed): ExternaLib-MathSAT: (first) prototype CoCoA-5 interface for MathSAT
12 Jul 2017
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18:53 CoCoALib Feature #1090: ExternaLib-MathSAT: first prototype
- Cleaned up first prototype (0.99550), all in example into a more proper itnegration in ExternalLib-MathSAT.
The exam... -
18:47 CoCoALib Feature #1090 (Closed): ExternaLib-MathSAT: first prototype
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