Activity
From 15 Feb 2012 to 15 Mar 2012
15 Mar 2012
- 12:31 CoCoA-5 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 CoCoA-5 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 CoCoA-5 Bug #98 (Resolved): RealRoots should use IsRational
- 11:09 CoCoA-5 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 CoCoA-5 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 CoCoA-5 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 CoCoA-5 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 CoCoA-5 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 CoCoA-5 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 CoCoA-5 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 CoCoA-5 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... - 13:01 CoCoALib Feature #40: Squarefree factorization - Alessio d'Ali`
- Alessio and John have both implemented content free factorization.
The CoCoALib impl is slightly faster -- but we ran...
06 Mar 2012
- 12:24 CoCoA-5 Bug #98 (Closed): RealRoots should use IsRational
- RealRoots incorrectly complains about non rational coeffs in cases like the following:...
- 11:54 CoCoA-5 Bug #27: CoCoA-5 Manual
- Some (many?) examples in the manual use multiplication by juxtaposition. These all need to be corrected so that cut-...
02 Mar 2012
- 17:14 CoCoA-5 Feature #97 (New): OpenOFile
- In cocoa-4 we had (syntax not pretty)...
- 16:01 CoCoA-5 Feature #90: Make the new fn CoefficientsWRT available in C5
- I think we should keep both interfaces: Co**WRT(f, x) and Co**WRT(f, [1,2,3])
The first is very convenient, but the...
01 Mar 2012
- 16:23 CoCoA-5 Feature #90: Make the new fn CoefficientsWRT available in C5
- The interfaces to @ContentWRT@ and @CoefficientsWRT@ are awful -- they seemed reasonable when I designed them, but th...
- 16:10 CoCoA-5 Feature #25: Function "Call"
- A find-grep shows that @Call@ appears in the following files:
cocoa5.cpkg
contrib/CantStop.cpkg
contrib/thmproving... - 16:05 CoCoA-5 Feature #25: Function "Call"
- Based on the premise "It is easier to add features later than to remove them", JAA suggests that we do not offer a @C...
- 15:58 CoCoA-5 Slug #96: sort is too slow
- It seems highly likely that copies are being made of the list being sorted. Here is my justification:
I created a... - 12:26 CoCoA-5 Slug #96 (New): sort is too slow
- Sorting is achieved by $list.QuickSort.
Unfortunately it should be called SlowSort. Complexity seems to be quadra...
29 Feb 2012
- 12:38 CoCoA-5 Feature #95 (New): Error/warning if fn-proc is neither fn nor proc?
- My email records show that we wrote about this on 2010-05-19.
C5 distinguishes fns from procs simply by the nature... - 12:08 CoCoA-5 Bug #94 (Closed): Default reason for protected variables
- Attempting to set a variable which has been @protect@-ed without an explicit reason produces an unsatisfactory error ...
23 Feb 2012
- 17:14 CoCoA-5 Feature #93 (Closed): Hilbert series: global output rings for non-standard gradings
- Hilbert series for rings with standard gradings are all in a single QQ[t].
All other case create a ring for every ...
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