Activity
From 03 Feb 2017 to 04 Mar 2017
03 Mar 2017
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15:12 CoCoALib Bug #1015 (Feedback): Bruns SEGV: SparsePolyIter/DMPI problem
- I have now added a similar check for ULONG2LONG. It's all a nasty hack, but seems to work.
Checked-in too. Now I...
02 Mar 2017
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16:15 CoCoA-5 Feature #744 (Closed): Handle interrupts more helpfully
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16:12 CoCoA-5 Bug #757 (Closed): readline: fix script for finding libreadline
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15:51 CoCoALib Bug #1015: Bruns SEGV: SparsePolyIter/DMPI problem
- JAA should also check the value of ULONG2LONG... perhaps need a template approach?
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15:23 CoCoA-5 Support #973: GroebnerFanIdeals: verbosity and output style
- now prints
* with verbosity >=10 (each call of recursive, CallOnRecursive)
. with verbosity >=20 (each call of Get... -
15:22 CoCoALib Feature #202 (In Progress): MatrixView/function for viewing a single row or column (RowMat, ColMat)
- Implemented (using @submat@).
Still have to write tests and doc.
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14:50 CoCoALib Design #934: MachineInt: change semantics?
- After personal discussion in Kassel: I agree.
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14:19 CoCoA-5 Design #1018 (Closed): Interpreter: limit range for ".." operator
- Currently there is no check for the arguments of @..@
Limit the input!
for example upper-lower < ???
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13:51 CoCoALib Feature #958: New function: multiplicity and dim
- Still to do: non-homogenous input
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13:34 CoCoALib Feature #958: New function: multiplicity and dim
- John Abbott wrote:
> What exactly does multiplicity do?
>
> I made the mistake of trying to compute @multiplicity... -
13:46 CoCoALib Feature #931: GBasis verbose mode
- Set 100 for first GBasis printouts
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13:39 CoCoALib Feature #931: GBasis verbose mode
- John Abbott wrote:
> In the meantime, Anna plans to add the appropriate verbosity lines to @myDoGBasisElimFirst@.
... -
11:08 CoCoALib Feature #931: GBasis verbose mode
- Answer to previous question is that internally Anna uses a hack: she calls @myDoGBasisElimFirst@ rather than the gene...
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13:46 CoCoALib Feature #961: New function: ReducedGBasis
- John Abbott wrote:
> I prefer to have two distinct functions *@GBasis@* and *@ReducedGBasis@* because:
done.
Sho... -
11:24 CoCoALib Feature #961: New function: ReducedGBasis
- I prefer to have two distinct functions *@GBasis@* and *@ReducedGBasis@* because:
* the name *@ReducedGBasis@* gives... -
13:44 CoCoALib Feature #902 (Closed): New function: FrobeniusMat
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13:44 CoCoALib Feature #962: General verbose mode?
- Changed interface (after personal discussion in Kassel):...
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13:31 CoCoALib Feature #357: Constructor for vectors? CoCoAVector
- It seems to me that this will be covered by the "braced constructor" for C++ vectors that appeared in C++11.
What ... -
13:31 CoCoALib Feature #957 (Feedback): New function: HasGBasis
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13:28 CoCoA-5 Feature #1017 (Rejected): New function: SetGBasisAsGens [--> NO: use IdealOfGBasis]
- Write a new function to modify an ideal so that removes the current set of generators and substitutes it with the GBa...
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11:16 CoCoALib Feature #1016 (Closed): ReducedGBasis for RingWeyl (and other non-commutative rings)
- Implement @ReducedGBasis@ for @RingWeyl@ and other potential future non-commutative rings.
01 Mar 2017
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18:04 CoCoALib Bug #1015: Bruns SEGV: SparsePolyIter/DMPI problem
- I have now added an automatic check for @CoCoA_THREADSAFE_HACK@.
If you compile the library with one setting and try... -
14:43 CoCoALib Bug #1015 (Resolved): Bruns SEGV: SparsePolyIter/DMPI problem
- The problem goes away if the flag *@-DCoCoA_THREADSAFE_HACK@* is added to the compilation line.
At the moment I do... -
14:16 CoCoALib Bug #1015: Bruns SEGV: SparsePolyIter/DMPI problem
- The problem continues to arise with the following simplified compilation command:...
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14:06 CoCoALib Bug #1015: Bruns SEGV: SparsePolyIter/DMPI problem
- Here we have a minimal failing example:...
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13:40 CoCoALib Bug #1015 (In Progress): Bruns SEGV: SparsePolyIter/DMPI problem
- The problem arises under the following conditions:
* CoCoALib is configured with @--threadsafe-hack@ and @--no-boost... -
13:37 CoCoALib Bug #1015 (Closed): Bruns SEGV: SparsePolyIter/DMPI problem
- Winfried Bruns reported a SEGV problem by email.
The following code will exhibit it: @F@ is a poly with a single t... -
14:15 CoCoA-5 Feature #927 (Closed): Add "exit" in addition to "ciao"
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14:11 CoCoA-5 Feature #954 (Closed): New function: StdBasis (standard basis)
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14:10 CoCoA-5 Feature #959 (Closed): New function: SymmetricPolys
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13:35 CoCoA-5 Bug #995 (Closed): LaTeX(x^10) should use curly brackets
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13:34 CoCoA-5 Bug #880 (Closed): subst should check that indet is in same ring as 1st arg, but does not.
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13:33 CoCoA-5 Bug #870 (Feedback): GBasis of product of ideals is wrong (Vadim Tropashko) --> I.myReset()
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13:31 CoCoA-5 Bug #852 (Closed): fix OnlineManual.C so that version number may be removed from CoCoAHelp.xml
25 Feb 2017
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11:11 CoCoALib Support #1013: GlobalManager: name of object in examples (and tests)
- > Would *@InitializeCoCoA@* be more comprehensible?
Perfect!
24 Feb 2017
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17:54 CoCoALib Bug #1014 (In Progress): RowMat, ColMat with arg an empty list/vector
- Another (mild?) incompatibility is that in CoCoA-5 @RowMat@ and @ColMat@ accept as input lists of INT and/or RAT.
In... -
17:49 CoCoALib Bug #1014: RowMat, ColMat with arg an empty list/vector
- At the moment JAA thinks that giving an error is probably better.
Is there a situation where one might reasonably ... -
17:45 CoCoALib Bug #1014: RowMat, ColMat with arg an empty list/vector
- In CoCoA-5 one can call @RowMat([])@ and @ColMat([])@ to produce a matrix 1x0 or 0x1.
In CoCoALib a similar call pro... -
17:39 CoCoALib Bug #1014 (In Progress): RowMat, ColMat with arg an empty list/vector
- What should @RowMat@ and @ColMat@ do if given am empty list/vector as argument?
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17:51 CoCoALib Feature #202: MatrixView/function for viewing a single row or column (RowMat, ColMat)
- What should these functions do if the matrix is 0-by-C or R-by-0?
Return a 0-by-1 or 1-by-0 matrix? -
17:42 CoCoALib Feature #202: MatrixView/function for viewing a single row or column (RowMat, ColMat)
- Another possibility: uglier, but possibly clearer?
* *@RowMatView@*
* *@ColMatView@*
The intention is that the r... -
14:16 CoCoALib Support #1013: GlobalManager: name of object in examples (and tests)
- In just a couple of days I shall have to present CoCoALib and its examples.
Indeed, I shall probably concentrate on ... -
14:13 CoCoALib Support #1013 (New): GlobalManager: name of object in examples (and tests)
- At the moment all CoCoALib examples use the name *@CoCoAFoundations@* for the @GlobalManager@ object.
Is there a b...
22 Feb 2017
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16:16 CoCoA-5 Feature #912: Add TUTORIALs to online manual
- I have added some hasty tutorials... no doubt it is clear that they have been hastily written.
21 Feb 2017
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14:22 CoCoA-5 Feature #912: Add TUTORIALs to online manual
- There is less than a week to go to the mini-course. It would be nice to make some progress with the tutorials.
20 Feb 2017
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16:40 CoCoA-5 Feature #1012: Chebyshev polynomials
- The functions have existed for some time, but have never been documented.
Also compare speed of CoCoALib impl with... -
16:39 CoCoA-5 Feature #1012 (Closed): Chebyshev polynomials
- There is a CoCoA-5 package called @chebyshev.cpkg5@.
There are also CoCoALib fns for computing the chebyshev polynom... -
16:20 CoCoA-5 Feature #1011: Random seed fn
- An interactive CoCoA-5 session will always generate the same sequence of (pseudo-)random numbers.
In CoCoA-4 there w... -
16:16 CoCoA-5 Feature #1011 (Closed): Random seed fn
- CoCoA-4 has a @Seed@ fn for resetting the global random number generator.
Make it (or something equivalent) availa... -
13:40 CoCoALib Feature #872 (In Progress): LinSolve for matrices over FFp
- Currently I am just adding the "keyword" *@MatrixFp@*
Some code has already been written, and it is in the file @sr... -
13:23 CoCoALib Feature #82: C++11 compatibility questions
- How does this issue differ from issue #83?
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13:19 CoCoALib Feature #1010: C++11: Mario's Hilbert scheme code
- Mario makes essential use of various C++11 featues (_e.g._ @auto@ variable declarations).
The problem is that CoCo... -
13:14 CoCoALib Feature #1010 (New): C++11: Mario's Hilbert scheme code
- Mario would like to incorporate his Hilbert scheme code, but to do so he must compile with c++11 (because he uses sev...
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13:12 CoCoALib Support #861: Janet basis code: TmpJB files give some problems with C++11 (using CLANG/LLVM)
- @Winfried: could you check whether this problem persists in the latest version of CoCoALib?
There is version from 16...
17 Feb 2017
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08:00 CoCoALib Slug #777: SLUG: elimination
- Apart from the improvements we can do for @elim@ (and are about to do ;-)
I think @myFinalizeGBasis@ can be improved...
16 Feb 2017
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13:27 CoCoALib Slug #1009 (Closed): coefficients for MinPoly e Frobenius
- The function creating the vector of coefficients (wrt a QB) can be improved.
(this is an internal and costly functio... -
13:17 CoCoALib Slug #777: SLUG: elimination
- The same example computed using @MinPolyQuot@ is much faster: about 0.2s :-)
Maybe @elim@ can be programmed to us... -
13:14 CoCoALib Slug #777 (In Progress): SLUG: elimination
- I happened upon the file for the example, and tried it with @SetVerbosityLevel(1999)@.
It seems that much of the tim... -
12:45 CoCoALib Feature #962: General verbose mode?
- How about starting with just two ranges?
1--9 for users
10--??? for CoCoA packages and CoCoALib
I had also consi... -
08:36 CoCoALib Feature #962: General verbose mode?
- I prefer the mnemonic number of digits. So I suggest
1 digit -- free for users
2 digits -- cocoalib and cocoa pac...
15 Feb 2017
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18:40 CoCoALib Feature #962: General verbose mode?
- Anna's idea of reserving certain ranges for different "levels" of function appeals to me. I think her ranges are too...
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18:20 CoCoALib Feature #1008 (Feedback): square function
- All tests pass. I have now checked in the change. ==> feedback
14 Feb 2017
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18:08 CoCoA-5 Feature #1007: (makefile) New "clean" target which does not clean documentation
- Checked-in an update to all Makefiles. Hope it works -- I did mess some things up :-(
13 Feb 2017
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18:32 CoCoA-5 Feature #1007: (makefile) New "clean" target which does not clean documentation
- John Abbott wrote:
> Should the file @examples/index.html@ be included in the distribution?
> In other words, shoul... -
18:24 CoCoA-5 Feature #1007: (makefile) New "clean" target which does not clean documentation
- Should the file @examples/index.html@ be included in the distribution?
In other words, should @make distclean@ delet... -
18:22 CoCoA-5 Feature #1007: (makefile) New "clean" target which does not clean documentation
- It seems that the dependencies (in @src/AlgebraicCore/@) are rebuilt whenever @include/CoCoA/library.H@ changes, and ...
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17:56 CoCoA-5 Feature #1007: (makefile) New "clean" target which does not clean documentation
- John Abbott wrote:
> I'm still undecided where the dependency files should fit into this scheme; internal dependenci... -
17:52 CoCoA-5 Feature #1007: (makefile) New "clean" target which does not clean documentation
- I have read through the GNU guidelines. Following them all would be quite hard work.
The "cleaning" targets which w... -
14:47 CoCoALib Bug #1004 (Feedback): In scripts: use portable test for absolute paths
- No problems has been reported so far, so moving to "feedback".
I think the solution I have chosen should be compat... -
14:44 CoCoALib Feature #1008 (Resolved): square function
- OK, then we agree to eliminate the function @square@. It will disappear the next time I do a check in (later today?)
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09:44 CoCoALib Feature #1008: square function
- If we had a @square@ we should document how it differs from @power(x,2)@. So I think we'd better not.
If we have @m...
12 Feb 2017
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16:20 CoCoALib Feature #1008 (In Progress): square function
- So far we have not really felt the need for a @square@ function in CoCoALib (presumably).
So maybe it does not mak... -
16:19 CoCoALib Feature #1008: square function
- A search for @square@ showed that there had been a @square@ function for @RingElem@, but that it was removed (presuma...
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16:14 CoCoALib Feature #1008 (Closed): square function
- In @utils.H@ there is a fn called @square@ defined only for @double@. It used only in @ApproxPts.C@.
I am sure th...
10 Feb 2017
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17:33 CoCoALib Feature #962: General verbose mode?
- I think we should set some rules like:
1 - 9 (or to 99) reserved for users.
100 - ?? for higher cocoa/cocolib fu...
03 Feb 2017
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23:03 CoCoA-5 Feature #1007: (makefile) New "clean" target which does not clean documentation
- If we regard the "compiled" documentation files as part of the standard distribution (which is probably a very reason...
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17:00 CoCoA-5 Feature #1007: (makefile) New "clean" target which does not clean documentation
- I have a first implementation, but will refrain from checking in until I have done some more tests (over the weekend?...
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15:35 CoCoA-5 Feature #1007: (makefile) New "clean" target which does not clean documentation
- There are some (GNU) guidelines here:...
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15:26 CoCoA-5 Feature #1007: (makefile) New "clean" target which does not clean documentation
- What does *@make clean@* do? And what should it do?
It seems that it does exactly what I want... (now that I hav... -
15:12 CoCoA-5 Feature #1007: (makefile) New "clean" target which does not clean documentation
- Another candidate for the name: *@halfclean@*
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11:36 CoCoA-5 Feature #1007: (makefile) New "clean" target which does not clean documentation
- What purpose does the file @wordlist.txt@ serve? Is it used just by the Emacs interface? If so, shouldn't it be in ...
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