Activity
From 28 Mar 2013 to 26 Apr 2013
26 Apr 2013
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11:22 CoCoA-5 Bug #344: basic_string::erase error in interpreter
- I'm 99% certain I know what the problem is: when emacs generates the @SopurceRegion@ command it uses column position ...
24 Apr 2013
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- The same error occurs even when the input is syntactically correct (but without final newline):...
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- Found by Giulia Marconi.
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- Save the following in a file, and then use send-region (without final newline) to send it to CoCoA:...
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- The interrupt can be delayed longer than I thought!...
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- The following behaved unexpectedly in CoCoA-5 via emacs:...
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08:19 CoCoA-5 Bug #343: Interpreter SEGV
- In any case I get @abort trap@, not @segv@
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- I get the same error calling directly...
23 Apr 2013
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- I get a SEGV when I send the following file to CoCoA-5 from an Emacs buffer (using send-file):...
17 Apr 2013
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- For many computations QQ[x] it is very convenient to remove denominators and perfom computations in ZZ[x].
There are... -
- The C5 manual refers to the concept @vector@ but should instead refer to @ModuleElem@, right?
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- added test-JBMill1.C to CVS and to the Makefile
(commented out all "cout" to be tested silently)
16 Apr 2013
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11 Apr 2013
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- To create a module hom from @M1@ to @M2@ we must specify where each generator of @M1@ maps to. These could be specif...
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- OK, I have modified *@configure@* in the CoCoALib root directory.
Let me know if it does what you expect.
09 Apr 2013
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- How can you have have multiple of copies of BOOST in the standard location?
Perhaps you mean that there are severa... -
- I thought that, with many BOOST to choose from @configure@ should give a warning (and a choice).
Apparently it doesn... -
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...
08 Apr 2013
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- @DenseUPolyClean@ uses @std::size_t@ both internally and in fn interfaces.
Is this really appropriate? If not, re... -
- My old impls in CoCoA-4 returned a matrix as the result: the entries in the matrix are the coeffs of the basis elemen...
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- JAA proposes offering two functions *@IdealOfPoints@* (for the affine case) and *@IdealOfProjectivePoints@* (for the ...
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- What output do we want or need from the Buchberger-Moeller implementations?
# generators of the ideal (list of polyn... -
- First try in public version 10.6.
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- Compiling CoCoA-5 with static libraries would avoid annoying multiple releases for 10.5, 10.6, ...
C. Soeger succesf... -
- pulic version for macos-10.6
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- Attempting to compute @Mat(M)@ where @M@ is a module should give an error which refers the user to @GensAsRows@ and @...
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- Implement module homs.
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- Giulia has done:
* not much (because the module impl had too many holes)
For next time she will:
* proceed wit... -
- New module fns to add:
* @rank@
* @IsIn@
* equality test
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- Make equality testing of two (sub)modules work as it does for ideals
(_i.e._ using G-bases check both inclusions).
...
05 Apr 2013
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- ... and import cocoa-4 code
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- First demo in CoCoA-5 ;-)...
04 Apr 2013
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- It is not easy to obtain the manual page for the logical operators @and@, @or@, @not@.
Can it be made easier?
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28 Mar 2013
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- I'm not sure which version of *redmine* we are using, but a new stable release was announced just a week ago. Should...
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- JAA notes that there is a ctor for @DenseMat@ which behaves as @MatByRows@ except that it makes a copy of the entries...
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- JAA has just changed slightly the way matrices are printed: removed two newlines.
The newly changed code would produc...
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