Activity
From 08 Feb 2012 to 08 Mar 2012
08 Mar 2012
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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...
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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
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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...
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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
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12:24 CoCoA-5 Bug #98 (Closed): RealRoots should use IsRational
- RealRoots incorrectly complains about non rational coeffs in cases like the following:...
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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
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17:14 CoCoA-5 Feature #97 (New): OpenOFile
- In cocoa-4 we had (syntax not pretty)...
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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
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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...
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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...
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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
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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
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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 ...
14 Feb 2012
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16:13 CoCoALib Feature #92 (In Progress): Error Codes: BadIndex
- We've been talking a lot about how to classify errors and how many errors (error classes) we should have.
[see relat...
11 Feb 2012
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14:04 CoCoALib Feature #91 (Closed): Return type & name for "indets" of a PP
- JAA has recently added the fn @indets@ to be applied to a PP.
Its return type is @vector<long>@ being a list (ordere... -
13:25 CoCoA-5 Feature #90 (Closed): Make the new fn CoefficientsWRT available in C5
- JAA has recently added CoefficientsWRT, ContentWRT, and a few other fns to CoCoALib.
Make these fns available to C5 ...
10 Feb 2012
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18:41 CoCoALib Feature #28 (Closed): rename RingQ, RingZ --> RingQQ, RingZZ
09 Feb 2012
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22:51 CoCoALib Bug #89 (Closed): MachineInt or long as fn arg type for indices
- In file @PPMonoid.H@ several functions expect a @long@ arg to indicate the index of an indet.
Should these arg typ... -
22:46 Bug #55: MSVC10 - static member fields
- I looked on internet, but did not find an answer which I feel is truly definitive. If the initializer is a constant ...
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17:02 Bug #55: MSVC10 - static member fields
- It doesn't seem a problem in VC10 SP1 (tried on a toy example).
From my understanding of the standard, it shouldn't ... -
16:56 CoCoA-5 Slug #31: theValue makes copy
- The solution is to implement a move constructor in BigInt (and every "huge" data structure ;-) )
08 Feb 2012
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16:29 CoCoALib Support #87: Cleanup header for ring classes (so that they are e-diff-able)
- 1 - separate more clearly member functions "of the same type".
2 - emphasize what is inherited from what.
3 - remov... -
16:09 CoCoALib Support #87 (New): Cleanup header for ring classes (so that they are e-diff-able)
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16:12 CoCoA-5 Bug #88 (Closed): Makefile problem with GUI on linux
- it doesn't seem to generate the .pro files....
I'd have sworn it used to work....
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