Activity
From 17 Jan 2013 to 15 Feb 2013
15 Feb 2013
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17:55 Support #314 (Closed): odd and even numbers for snapshots/official versions?
- Should we use in cocoa-5 the rule odd and even numbers for snapshots/official versions?
(e.g. 5.0.3 is snapshot ;-)
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- added *HomogElimMat* and *ElimMat*, and documented.
Remark: JAA says that in the "::=" ring contructor we should h... -
11:31 Feature #309: (Multi)BlockMatrix
- If in the future we let users be more flexible with rings, it may be helpful to have a @BlockMat@ function which acce...
14 Feb 2013
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- How about renaming the current @BlockMat@ to *@BlockMat2x2@*,
and the new fn @MultiBlockMat@ to just plain *@BlockMa... -
13 Feb 2013
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- added JAA's definition of MultiBlockMat into manual entry of BlockMat
(and also search keys)... -
- John Abbott wrote:
> JAA wonders whether it might be appropriate to have a fairly general function for building matri... -
- JAA wonders whether it might be appropriate to have a fairly general function for building matrices by blocks:...
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- added ConcatHorList, ConcatVerList and manual
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- I thought about the code for the multi block matrix.
The input checking (size compatibility) would be *really tedious... -
- We have this constructor for matrices:...
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08:57 Feature #309 (Closed): (Multi)BlockMatrix
- It would be VERY HELPFUL to have a function, say MultiBlockMat, which takes several matrices in input and returns a m...
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- added *FirstNonZeroPosn*, *homog(ModuleElem)* (for GradingDim=1)
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- Implemented: seems to work fine. Example (in BuiltinFunctions.H)...
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- Too many new functions for modules: I think I'd better start experimenting with this "shortcut" ;-)
I'll try the nam...
12 Feb 2013
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- Questions:
What names should we use? Why does @ker@ have such a long name & the others not?... -
- Document order of entries in the list produced by @indets(R,"y")@.
Note also that @y[2]..y[3]@ gives all indets if... -
- JAA likes the proposal; cannot see any obvious objection (I wonder if the compiler will).
Other possible names: @G... -
- We have many arguments like...
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- In BuiltinFunctions there are some calls like *BigIntValue::fromInt*, *BoolValue::fromBool* (others?).
But in othe... -
- added also *evalArgAsT1orT2orT3orT4* and *evalArgAsT1orT2orT3orT4orT5*
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- added *LPP*, *LPosn*, *LT*, *wdeg*
11 Feb 2013
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- When add a new function it is good practice to have:
* in *BuiltinOneLiner.C* only functions using the "one-line" de... -
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08 Feb 2013
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- Let @X@ be a ring elem belonging to a finite field.
How can I get an integer value from @X@?
At the moment *@AsINT(...
30 Jan 2013
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- The message saying that cocoa is running should be close to the output window (instead of at the bottom)
25 Jan 2013
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- Definitely *@valgrind@* time!
I suppose the bug never revealed itself before because @malloc@ may well reserve sli... -
- Still some error (I guess of the same nature): this time triggered by...
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- This was (one of) the bug(s?)...
24 Jan 2013
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- I further reduced the error:...
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- Here is some "simpler" CoCoA-5 code which triggers the problem:...
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- JAA notes that _system protected_ variables cannot be unprotected (_e.g._ the variable *@QQ@*).
Internally the inter... -
- I have already assigned it to myself as I'm the one most using it
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- I thought the most difficult question would be _who is going to do it?_
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- Even though the code is written quite well it would be handy to have some documentation ;-)
The most difficult quest... -
- Not quite the dream solution, but I found this function making life easier:
*@evalArgAsT1orT2orT3@*...
23 Jan 2013
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- After considering typical use patterns, it makes most sense for *@Export@* to protect the exported names, and for *@D...
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- If you run the two offending lines in a fresh CoCoA-5 then C5 reports an error that @CurrentRing@ has no value! This...
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- We need a sort of _partial_ canonical hom which maps symbols which are not in the codomain to zero. Before applying ...
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- one liner functions work like a dream (thanks Giovanni! ;-)
Is it possible to simplify writing the code for _overloa... -
- Splitting the code seems to work very well.
Now I wonder whether I should also split BuiltinFunctions separating the...
22 Jan 2013
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- added zero(module), BaseRing(module), RingOf(module), RingOf(ModuleElem)
added stub documentation
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- added types MODULE and MODULEELEM.
added functions: NewFreeModule, arithmetics for type MODULEELEM. -
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- Add @CpuTime@ to CoCoA-5 manual.
Suggested keywords: time, cpu, timing, timer
17 Jan 2013
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- Rename *@IndetsCalled@* to *@indets@*.
Non-trivial because there is already a fn called *@indets@* -
- Giulia has produced a first version of the code for phi: R/I --> S/J.
For next time she will:
* change the ring name ...
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