Activity
From 04 Mar 2012 to 02 Apr 2012
02 Apr 2012
28 Mar 2012
- 14:29 Bug #115 (Closed): PP ordering bug
- The error was in Interpreter.C: I got the wrong "symmetry" with LessOrEqual....
- 13:53 Bug #115 (Closed): PP ordering bug
- ...
27 Mar 2012
- 13:28 Feature #18: Printing matrices: I/O unified style for CoCoA-5?
- John Abbott wrote:
> I do not like the "abandoned" square bracket at the end of the first line.
>
> Generally I pref... - 10:04 Feature #18: Printing matrices: I/O unified style for CoCoA-5?
- I do not like the "abandoned" square bracket at the end of the first line.
After speaking yesterday, we also conclud...
26 Mar 2012
- 17:42 Feature #18: Printing matrices: I/O unified style for CoCoA-5?
- after using the "old style" for a while I'm getting more and more convinced that a matrix should also print its own r...
23 Mar 2012
- 14:41 Feature #7: Automatic mapping between (some) rings
- Probably the simplest definition is simply that R1 is "simpler" than R2 if the construction of R2 passed explicitly v...
22 Mar 2012
- 15:20 Feature #90 (Closed): Make the new fn CoefficientsWRT available in C5
- 13:50 Feature #90: Make the new fn CoefficientsWRT available in C5
- John Abbott wrote:
> At the moment it is not clear to JAA what the CoCoALib interface should be if we adopt the RING...
21 Mar 2012
- 16:18 Feature #90: Make the new fn CoefficientsWRT available in C5
- Here are some arguments in favour of the interface which wants a list of RINGELEM to specify which indets:
* JAA bel...
20 Mar 2012
19 Mar 2012
- 18:01 Bug #109 (Closed): SmoothFactor should allow large first arg
- 14:51 Bug #109 (Closed): SmoothFactor should allow large first arg
- Second arg should be small (e.g. up to 2^32-1), but first arg may be big without any problems...
- 17:14 Bug #108 (Resolved): Unhandled division by zero in FFp
- Fixed, but the error is indicated at the operator...
- 14:36 Bug #108 (Closed): Unhandled division by zero in FFp
- Here's a sample case...
- 16:45 Bug #110: Surprise return type for GCD of a list of ints
- The function @AsINT@ can be used as a workaround:...
- 16:19 Bug #110 (Closed): Surprise return type for GCD of a list of ints
- JAA expected GCD of a list of INTs to produce an INT; instead it produces a RINGELEM (in ZZ)...
- 11:45 Feature #105: Add I*f and f*I (RINGELEM and IDEAL)
- Just a quick note reporting what we'd already said vocally: both left and right multiplication should be enabled (par...
- 11:42 Bug #104: Misprints suggestions: Z --> ZZ
- Are you asking to add
# special checks for the names "Z" and "Q" in a context where a ring is to be expected?
# spe...
16 Mar 2012
- 07:42 Feature #106 (In Progress): I:f (IDEAL and RINGELEM) -- operator colon
- cocoa-4 had no warning for I:xy being intepreted as (I:x)*y, but cocoa-5 does!
So we can resume that syntax.
Make... - 07:38 Feature #105 (Closed): Add I*f and f*I (RINGELEM and IDEAL)
- Multiplication of RINGELEM and IDEAL is missing.
Add it to CoCoALib and CoCoA-5.
(Multiply, product: keys for "Se...
15 Mar 2012
- 12:31 Bug #104 (Closed): Misprints suggestions: Z --> ZZ
- CoCoA-5 is very helpful with suggestions on misprints.
Is it possible to improve this case? i.e. suggest "ZZ" as we... - 11:57 Bug #103 (Closed): Bad error mesg using operator ":"
- The session excerpt below contains an erroneous error message.
I think the operator should be just ":" -- it certain...
12 Mar 2012
- 11:09 Bug #98 (Resolved): RealRoots should use IsRational
- 11:09 Bug #98: RealRoots should use IsRational
- Fixed the bug -- actually quite easy.
A as consequence I "improved" the defn of @content@.
09 Mar 2012
- 16:17 Bug #102 (Closed): Packages: should exported functions be automatically "Protect"ed?
- If Package @$aaa@ exports a function @Foo@, then @Foo@ cannot be exported by another Package @$bbb@.
And that's safe... - 11:02 Feature #101: rethrow in Try .. UponError .. EndTry
- Giovanni Lagorio wrote:
> (the error object contains the error message only, more information should be embedded ther...
08 Mar 2012
- 15:49 Feature #101: rethrow in Try .. UponError .. EndTry
- I'm afraid that information is lost at the moment (the error object contains the error message only, more information...
- 12:13 Feature #101 (New): rethrow in Try .. UponError .. EndTry
- What is the way to deal with errors we don't want to catch?
See this example:...
07 Mar 2012
- 16:13 Bug #100 (New): BringIn should map only the indets in its arg
- In C4 the function @BringIn@ maps only the indets which actually appear in the arg to be mapped. In C5, the currentl...
- 15:32 Feature #90: Make the new fn CoefficientsWRT available in C5
- Anna Maria Bigatti wrote:
> it would inefficient to write...
Yes, but I believe the run-time inefficiency would be ... - 15:25 Slug #99 (Closed): Function "insert": obsolescent
- As far as I can tell @Insert@ is never called by any function in the standard CoCoA packages.
I would like to make...
06 Mar 2012
- 12:24 Bug #98 (Closed): RealRoots should use IsRational
- RealRoots incorrectly complains about non rational coeffs in cases like the following:...
- 11:54 Bug #27: CoCoA-5 Manual
- Some (many?) examples in the manual use multiplication by juxtaposition. These all need to be corrected so that cut-...
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