Activity
From 10 May 2016 to 08 Jun 2016
08 Jun 2016
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15:46 CoCoALib Bug #756: frobby (v0.9.0) does not compile with g++-4.8
- Could you write the changes in the documentation @ExternalLibs-Frobby.txt@?
06 Jun 2016
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00:26 CoCoA-5 Feature #888: Escaped newline to allow a long line to be split into several "physical lines"
- Unfortunately there are probably some places where backslash-newline cannot be blindly inserted without changing the ...
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00:15 CoCoA-5 Feature #888: Escaped newline to allow a long line to be split into several "physical lines"
- I have just checked what happens with @bash@ (which also uses the backslash-newline convention): it may appear inside...
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00:05 CoCoA-5 Feature #888: Escaped newline to allow a long line to be split into several "physical lines"
- I was surprised not to find this issue already in redmine; I'm sure we have talked about it (in the distant past... p...
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00:00 CoCoA-5 Feature #888 (New): Escaped newline to allow a long line to be split into several "physical lines"
- Some languages allow long lines to be split into several "physical lines" by inserting an escaped-newline which is si...
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23:50 CoCoA-5 Slug #875 (In Progress): Interpreter is too slow reading a big polynomial
- I have taken one of Mario's big polys: this one is about 6Mbyte when printed out.
I tried to ways of converting th... -
21:58 CoCoA-5 Slug #875: Interpreter is too slow reading a big polynomial
- The solution to use @ReadExpr(P, "poly-as-a-string")@ works tolerably well from the point of view of the interpreter,...
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15:37 CoCoALib Feature #206: Matrix equation solving: LinKer
- For aesthetics: now changes sign to the LinKer matrix (so that the entries corresponding to the "pivots" are "1" inst...
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13:47 CoCoALib Support #887: My first compilations with clang
- John Abbott wrote:
> I like the idea of adding some hints about compiling external libraries. I already have some n... -
13:31 CoCoALib Support #887: My first compilations with clang
- I like the idea of adding some hints about compiling external libraries. I already have some notes (but perhaps they...
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13:28 CoCoALib Support #887: My first compilations with clang
- The warnings about infinite recursion correspond to code which has a comment @BUG BUG BUG@; I suppose I'll fix it wh...
01 Jun 2016
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17:05 CoCoALib Support #887: My first compilations with clang
- CoCoA-5 running!!...
31 May 2016
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15:55 CoCoALib Support #887: My first compilations with clang
- ... another thing I don't really know the meaning of:...
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15:49 CoCoALib Support #887: My first compilations with clang
- I expect this is well under control ;-)...
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15:27 CoCoALib Support #887: My first compilations with clang
- ... I'm not quite sure what this refers to......
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15:16 CoCoALib Support #887: My first compilations with clang
- *This is just a local problem with files not in cvs*
The file @/include/CoCoA/TmpSBStats.H@ contains the line... -
15:14 CoCoALib Support #887 (Closed): My first compilations with clang
- I've just updated to MacOS 10.11 (from 10.6).
Here I note the problems and remarks on the first compilations.
25 May 2016
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17:01 CoCoALib Slug #881: ReadExpr is too slow on large polys
- Using the profiler on a linux box I noticed that @DistrMPolyInlPP::myPushFront@ was using surprisingly much time. I ...
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16:57 CoCoALib Feature #885: IsIrred3: fast 3-way irred test (returning bool3)
- The idea of @IsIrred3@ was created because of some computations Mario needed to do with multivariate polynomials, so ...
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11:13 CoCoALib Feature #885 (In Progress): IsIrred3: fast 3-way irred test (returning bool3)
- Some questions:
* *(A)* what should the function be called? Is @IsIrred3@ a reasonable name?
* *(B)* what should t... -
16:49 CoCoALib Design #846: IsIrred: correct design?
- The simplest design is to make @IsIrred@ call @IsIrred3@; this somehow equates calling @IsIrred3@ to handling the tri...
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13:43 CoCoALib Design #846 (In Progress): IsIrred: correct design?
- I think a first version of @IsIrred@ should give error if the ring is a field; if it turns out that this is inconveni...
24 May 2016
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17:27 CoCoALib Feature #885 (In Progress): IsIrred3: fast 3-way irred test (returning bool3)
- Implement an irreducibility test @IsIrred3@ which is guaranteed to be fast, but returns a @bool3@.
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15:25 CoCoALib Slug #884: DistrMPolyInlPP::myPushFront and DistrMPolyInlPP::myPushBack inefficient if arg is a PP
- I wrote a special reading fn for polynomials (using a "private" linearization). It was not as fast as I hoped, and p...
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15:20 CoCoALib Slug #884 (New): DistrMPolyInlPP::myPushFront and DistrMPolyInlPP::myPushBack inefficient if arg is a PP
- In the class @DistrMPolyInlPP@ the mem fns @myPushFront@ and myPushBack@ can accept raw coeff and raw pp, *BUT* the i...
18 May 2016
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13:44 CoCoALib Slug #881 (Resolved): ReadExpr is too slow on large polys
- I have modified @ReadExprInSparsePolyRing@ so that sums of terms are handled specially: the terms are simply appended...
11 May 2016
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14:48 CoCoALib Slug #881: ReadExpr is too slow on large polys
- I reran the test to read Mario's polynomial: now it takes about 0.4s (with the "wrong" term-ordering), and about 0.25...
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14:32 CoCoALib Slug #881: ReadExpr is too slow on large polys
- I have now finished the main changes to @DistrMPolyInlPP@, and especially @myAddClear@. Time to read a correctly ord...
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12:09 CoCoALib Slug #881: ReadExpr is too slow on large polys
- I wrote a very hacked version which uses @PushBack@, and it went considerably faster (but it also gave SEGV on some e...
10 May 2016
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16:41 CoCoA-5 Feature #883: gin: return/print a suitable change of variables
- How about a new fn which computes both gin and a "simple" suitable transformation?
Or maybe a fn which takes an idea... -
16:30 CoCoA-5 Feature #883: gin: return/print a suitable change of variables
- John Abbott wrote:
> Werner also asked whether the transformation used is triangular or square.
triangular (auxil... -
15:28 CoCoA-5 Feature #883 (In Progress): gin: return/print a suitable change of variables
- Werner also asked whether the transformation used is triangular or square.
It might be nice to have the option to ... -
13:54 CoCoA-5 Feature #883: gin: return/print a suitable change of variables
- John Abbott wrote:
> Werner Seiler asks whether it would be possible to make @gin@ also produce a "good" linear chan... -
11:11 CoCoA-5 Feature #883 (Closed): gin: return/print a suitable change of variables
- Werner Seiler asks whether it would be possible to make @gin@ also produce a "good" linear change of variables (ideal...
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16:36 CoCoALib Slug #881: ReadExpr is too slow on large polys
- I have already implemented (and checked in) a version which uses geobuckets when the ring is a sparsepolyring.
Mar... -
16:19 CoCoALib Slug #881: ReadExpr is too slow on large polys
- John Abbott wrote:
> I have done a quick profile of the current version of the code (using the _ad hoc_ impl with @s... -
15:33 CoCoALib Slug #881 (In Progress): ReadExpr is too slow on large polys
- I have done a quick profile of the current version of the code (using the _ad hoc_ impl with @std::map@). Now most (...
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13:25 CoCoALib Slug #881: ReadExpr is too slow on large polys
- I have hacked the @ReadExpr@ code so that it produces a table of symbols (of type @std::map@).
This improved the rea... -
14:02 CoCoA-5 Feature #877: Easier syntax to make a PRINCIPAL ideal?
- John Abbott wrote:
> Perhaps the error message should say which signatures @ideal@ does offer?
Yes, I like that (...
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