Activity
From 13 Nov 2012 to 12 Dec 2012
12 Dec 2012
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19:10 CoCoALib Feature #283: Rational approximation
- Added tests for various functions related to continued fractions. As a consequence, I found another bug (and fixed it).
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- Here is a simplistic solution: print all the "stack backtrace" information to a @string@. If the error is caught som...
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12:00 CoCoA-5 Bug #287: --fullCoCoALibError prints too much (Try/UponError)
- It seems difficult to do because the error is actually dealt with by a proper C++ *try*, whereas printing (the error ...
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- When using the flag *--fullCoCoALibError* CoCoA-5 prints the full CoCoALib error message.
It does so even inside t... -
- I have added a new file *@INSTALL-cygwin@* in the CoCoA root directory; it contains a summary of various hints for pr...
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- I describe here an easy way to check a list of tests (from @CoCoA-5/tests/anna.cocoa5@):...
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- What about this?
(note that, as said above, all other error information is lost :-( )...
11 Dec 2012
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- When developing and changing a cocoa function it is useful to repeatedly run some tests.
Explain how to do this easily. -
- JAA has changed the names (as agreed in point 2). Also changed doc.
Fixed a bug -- it gave the wrong answer for a...
10 Dec 2012
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- Giulia has finished the implementations for the easy case (polynomial algebras). There was some discussion of *@IsIn...
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- What is the correct way to write a CoCoA-5 test which checks that a certain call produces the expected error? It sho...
07 Dec 2012
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06 Dec 2012
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- When adding or removing files from *CoCoALib-0.99NN/doc/txt* there are a few operations to do in *@doc/aux-txt2tags@*...
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- Giulia showed her restructured code: generally very good, just a few minor criticisms were made.
For next time, she ...
05 Dec 2012
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- In file *BuiltInOneLiners* there are many function wonderfully declared in one line.
Unfortunately sometimes we need... -
- JAA has implemented the fn in CoCoALib, and also make it available in CoCoA-5.
It remains only to decide the name(s),... -
- Proposals for the name of the function:...
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- JAA proposes a function *@SimplestRationalInInterval@* which makes publicly accessible a feature already used interna...
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- Add a new function which computes a good rational approximation within a specified *absolute* error. Laura needs thi...
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- There are other cases: now I'm working on a (private) file with *GBEnv* and the function to get it form an object is ...
04 Dec 2012
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- AMB will unify the documentation files -- and update the names of the random sequence classes!
JAA will unify the co... -
- Approved the idea of *unifying the sources* after verbal discussion.
The best unified name seems to be *@random@*. -
- Discussion via Skype:
instead of *sample* use *NextValue* to access a new element from a *RandomStream..* -
- Following Alessandra Caleo's criticisms (see issue #75), we have modified the documentation and examples to make them...
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- An idea: since *@IsPrime@* can be extremely slow for larger inputs, and since *@IsProbPrime@* is normally extremely r...
03 Dec 2012
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- Now calling *ZZ/(7)* twice produces two different rings.
Maybe that should be stored into GlobalManager.
30 Nov 2012
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- Alessandra reports:
* what does @flush@ do in @ex-GMPAllocator2.C@? (*ok, fixed now*)
* @ex-NF.C@ not mentioned in d... -
- changed relevant code in cocoa5.el into...
29 Nov 2012
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- I believe the problem is in lines 697-698 when the value for @par@ is computed.
It is not clear to me how the value ... -
- I believe the Emacs code for C/C++ is in @cc-mode.el@. On my computer the full path is:
*@/usr/share/emacs/22.1/lis... -
- I have had a quick look at the Emacs LISP source code. It is not terribly readable. I believe the relevant function...
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- cocoa5-mode indents wrongly withing parentheses (and one student got worried ;-)...
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- this gives an error:...
28 Nov 2012
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- Write C++ code for *@CoeffVecWRT@*, corresponding to the cocoa-5 function CoeffListWRT (with indices shifted by 1, as...
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- I added *@CoeffListWRT@* to @NotBuiltin.cpkg5@.
Added and fixed manual for @CoeffListWRT@, @coefficients@, @Coefficie... -
- Last night I tried compiling CoCoALib on my old Mac G5, and the compiler reported a problem in @TmpJBSet.H@ -- the da...
27 Nov 2012
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- missing doc for *one* and *zero*
26 Nov 2012
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- In CoCoALib *@CoefficientsWRT@* accepts both a @RingElem@ and a _list of indets_ as 2nd arg, and produces the same ty...
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- @coefficients(4*x^3+2*x+1, x);@ had been disabled.
Write @CoefficientsWRT(F, x);@ returning the coefficients of F wrt... -
- Giulia has converted her code into functions. The code performs some sanity checks on the arguments, but she was una...
23 Nov 2012
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- Recently I eliminated the class @RefRingElem@ for ring elements.
Should I do the same for *@RefPPMonoidElem@*?
Pres...
22 Nov 2012
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- JAA has written a first prototype.
It works, but is 10% slower than the old C code for multiplication - why??? -
- JAA has implemented a first prototype in CoCoALib.
It works on two simple examples. Still need to:
* make it accessi...
21 Nov 2012
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- *CompleteToOrd* gives a non-term-ordering if there are 0's in the given row.
I think it's easy to fix (in cocoalib). ... -
- We still have problems about the graphical interface.
Can we easily get a nice interface with TeXmacs?
possibly usi...
19 Nov 2012
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- Giulia has done 4 examples.
For next time she will convert the code in the solutions into various functions (_e.g._ ... -
- I think that the good old code should be linked first.
Making a proper clean Chinese Remaindering in CoCoALib will r...
15 Nov 2012
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- I changed @config.H@ so that the type @SmallExponent_t@ is @unsigned char@ (in an attempt to tackle Enrico Carlini's ...
14 Nov 2012
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- We should probably avoid the name *@InputForm@*; in the past the people behind Mathematica have not hesitated to sue ...
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- Compare these...
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- Apart from quotes inside strings it works.
I don't think it is very useful, but because of that I cannot consider th...
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