CoCoA

24 Apr 2013

18:00 CoCoA-5 Bug #344: basic_string::erase error in interpreter

The same error occurs even when the input is syntactically correct (but without final newline):... John Abbott

15:16 CoCoA-5 Bug #344: basic_string::erase error in interpreter

Found by Giulia Marconi.
John Abbott

15:15 CoCoA-5 Bug #344 (Closed): basic_string::erase error in interpreter

Save the following in a file, and then use send-region (without final newline) to send it to CoCoA:... John Abbott

16:24 CoCoA-5 Bug #345: Interpreter interrupt delayed confusingly

The interrupt can be delayed longer than I thought!... John Abbott

16:18 CoCoA-5 Bug #345 (Closed): Interpreter interrupt delayed confusingly

The following behaved unexpectedly in CoCoA-5 via emacs:... John Abbott

08:19 CoCoA-5 Bug #343: Interpreter SEGV

In any case I get @abort trap@, not @segv@ Anna Maria Bigatti

08:09 CoCoA-5 Bug #343: Interpreter SEGV

I get the same error calling directly... Anna Maria Bigatti

23 Apr 2013

16:43 CoCoA-5 Bug #343 (Closed): Interpreter SEGV

I get a SEGV when I send the following file to CoCoA-5 from an Emacs buffer (using send-file):... John Abbott

17 Apr 2013

17:32 CoCoALib Feature #342 (Closed): Remove denominators: QQ[x] -> ZZ[x] (and PushBack(coeff, PP))

For many computations QQ[x] it is very convenient to remove denominators and perfom computations in ZZ[x].
There are... Anna Maria Bigatti

15:01 CoCoA-5 Support #341 (Closed): Remove/replace the word "vector" in the manual

The C5 manual refers to the concept @vector@ but should instead refer to @ModuleElem@, right? John Abbott

11:13 CoCoALib Feature #215: Janet Bases: check and include code in CoCoALib (first prototype)

added test-JBMill1.C to CVS and to the Makefile
(commented out all "cout" to be tested silently) Anna Maria Bigatti

16 Apr 2013

18:49 CoCoA-5 Support #225 (Feedback): HilbertBasis: cocoa vs normaliz

Anna Maria Bigatti

11 Apr 2013

16:57 CoCoALib Feature #337: Module homs

To create a module hom from @M1@ to @M2@ we must specify where each generator of @M1@ maps to. These could be specif... John Abbott

16:41 CoCoALib Feature #340 (Feedback): "configure" does not set BOOST if there are multiple copies in "standard" location

OK, I have modified *@configure@* in the CoCoALib root directory.
Let me know if it does what you expect.
John Abbott

09 Apr 2013

17:30 CoCoALib Feature #340: "configure" does not set BOOST if there are multiple copies in "standard" location

How can you have have multiple of copies of BOOST in the standard location?
Perhaps you mean that there are severa... John Abbott

17:08 CoCoALib Feature #340 (Closed): "configure" does not set BOOST if there are multiple copies in "standard" location

I thought that, with many BOOST to choose from @configure@ should give a warning (and a choice).
Apparently it doesn... Anna Maria Bigatti

16:01 CoCoALib Support #302: Compilation on M$Windows: Visual Studio

To the last problem for Windows 64:
size_t is there unsigned __int64, but long is still 32bit. I guess that is causi... Christof Soeger

08 Apr 2013

21:06 CoCoALib Design #339 (Closed): DenseUPolyClean uses size_t

@DenseUPolyClean@ uses @std::size_t@ both internally and in fn interfaces.
Is this really appropriate? If not, re... John Abbott

20:58 CoCoALib Feature #143: Buchberger-Moeller (parent task)

My old impls in CoCoA-4 returned a matrix as the result: the entries in the matrix are the coeffs of the basis elemen... John Abbott

12:28 CoCoALib Feature #143: Buchberger-Moeller (parent task)

JAA proposes offering two functions *@IdealOfPoints@* (for the affine case) and *@IdealOfProjectivePoints@* (for the ... John Abbott

12:10 CoCoALib Feature #143: Buchberger-Moeller (parent task)

What output do we want or need from the Buchberger-Moeller implementations?
# generators of the ideal (list of polyn... John Abbott

16:55 CoCoA-5 Support #338: MacOS version with static gcc libraries

First try in public version 10.6. Anna Maria Bigatti

16:50 CoCoA-5 Support #338 (Closed): MacOS version with static gcc libraries

Compiling CoCoA-5 with static libraries would avoid annoying multiple releases for 10.5, 10.6, ...
C. Soeger succesf... Anna Maria Bigatti

16:39 CoCoA-5 Feature #336: Mat(Module) should give error

pulic version for macos-10.6 Anna Maria Bigatti

16:30 CoCoA-5 Feature #336 (Feedback): Mat(Module) should give error

Anna Maria Bigatti

15:36 CoCoA-5 Feature #336 (Closed): Mat(Module) should give error

Attempting to compute @Mat(M)@ where @M@ is a module should give an error which refers the user to @GensAsRows@ and @... John Abbott

16:11 CoCoALib Feature #337 (New): Module homs

Implement module homs. John Abbott

16:09 CoCoA-5 Feature #273: Package for Polynomial Algebra Homomorphisms

Giulia has done:
* not much (because the module impl had too many holes)
For next time she will:
* proceed wit... John Abbott

15:52 CoCoA-5 Feature #200: add modules and module operations

New module fns to add:
* @rank@
* @IsIn@
* equality test
John Abbott

15:31 CoCoALib Bug #335 (Closed): Equality of (sub)modules

Make equality testing of two (sub)modules work as it does for ideals
(_i.e._ using G-bases check both inclusions).
... John Abbott

05 Apr 2013

17:33 CoCoA-5 Support #333 (Feedback): manual entry for "indent"

Anna Maria Bigatti

14:06 CoCoALib Feature #145: Buchberger-Moeller: fast modular impl

... and import cocoa-4 code
Anna Maria Bigatti

11:54 CoCoA-5 Feature #216: Janet Bases: port function into CoCoA-5

First demo in CoCoA-5 ;-)... Anna Maria Bigatti

04 Apr 2013

16:54 CoCoA-5 Support #334 (Closed): CoCoAManual: entry for "and", "or", "not" operators

It is not easy to obtain the manual page for the logical operators @and@, @or@, @not@.
Can it be made easier?
John Abbott

14:43 CoCoA-5 Support #333 (Closed): manual entry for "indent"

Anna Maria Bigatti

28 Mar 2013

17:11 CoCoALib Support #26: Redmine Administration

I'm not sure which version of *redmine* we are using, but a new stable release was announced just a week ago. Should... John Abbott

17:06 CoCoALib Feature #72: MatByRows, MatByCols

JAA notes that there is a ctor for @DenseMat@ which behaves as @MatByRows@ except that it makes a copy of the entries... John Abbott

16:07 CoCoA-5 Feature #18: Printing matrices: I/O unified style for CoCoA-5?

JAA has just changed slightly the way matrices are printed: removed two newlines.
The newly changed code would produc... John Abbott

27 Mar 2013

20:02 CoCoALib Bug #119: CoCoA4io

This is a silly mindless task, but it needs to be done (and the sooner the better).
John Abbott

19:38 CoCoALib Feature #145: Buchberger-Moeller: fast modular impl

Just a pointless comment to "wake up" this issue.
John Abbott

19:36 CoCoALib Support #140 (Feedback): Doc & example for convert

All calls to @convert@ have been eliminated (replaced).
The conversion from @BigInt@ and @BigRat@ to @string@ has ... John Abbott

19:30 CoCoA-5 Design #332 (Closed): Approx pts preprocessing fns

I have just added the approx pts preprocessing fns to CoCoA-5.
This issue is about deciding the most appropriate int... John Abbott

11:38 CoCoALib Support #195: OrdvArith documentation needs rewriting

JAA has added a new class *@StdDegRevLex2@*.
This appears to offer a cleaner and faster impl -- but its speed has ye... John Abbott

26 Mar 2013

16:43 CoCoALib Support #140: Doc & example for convert

I have removed @convert@ (and replaced all calls to it).
Modified the doc for the conversion functions.
Modified th... John Abbott