CoCoA

15 Jun 2016

16:59 CoCoA-5 Bug #748 (In Progress): Emacs UI: return inside a block of output sends several lines (not just the one I'm on)

A possible work-around seems to be to set @comint-use-prompt-regexp@ to @t@.
The implementation of @comint-get-old... John Abbott

13:59 CoCoA-5 Bug #748: Emacs UI: return inside a block of output sends several lines (not just the one I'm on)

This continues to bother me; it seems to be a "feature" of emacs 24.5 (on several machines).
Strangely I looked on i... John Abbott

14:35 CoCoALib Bug #547: elim using RingTwinFloat triggers error "SERIOUS"

I have confirmed that both examples still trigger @ERR::SERIOUS@ with 5.1.5 on CoCoALib 0.99543.
John Abbott

14:13 CoCoA-5 Feature #95: Error/warning if fn-proc is neither fn nor proc?

Here is a simple test case:... John Abbott

13:55 CoCoA-5 Support #890 (In Progress): ImportByRef and ImportByValue behave in an unexpected manner (i.e. fail when I think they should succeed)

I am guessing that @ImportByRef@ and @ImportByValue@ may be used only for importing local variables in an outer lexic... John Abbott

13:47 CoCoA-5 Support #890: ImportByRef and ImportByValue behave in an unexpected manner (i.e. fail when I think they should succeed)

While @TopLevel@ and @ImportByRef@ are very similar there is a difference: namely, that @TopLevel@ will search only i... John Abbott

13:42 CoCoA-5 Support #890 (Closed): ImportByRef and ImportByValue behave in an unexpected manner (i.e. fail when I think they should succeed)

While cleaning, I found some old CoCoA-5 "bugs". In this case there are two simple examples where @ImportByRef@ give... John Abbott

14 Jun 2016

09:42 CoCoA-5 Bug #755: Find out how to compile statically on linux

John Abbott wrote:
> In fact, I would be tempted to make the version which needs @libblas@ less immediately obvious;... Anna Maria Bigatti

13 Jun 2016

20:56 CoCoA-5 Bug #755: Find out how to compile statically on linux

Until we resolve this issue I would suggest making publicly available a minimal version of CoCoA-5 which does not dep... John Abbott

20:40 CoCoALib Feature #889 (In Progress): configure script: give summary of warnings at end

I have modified the @configure@ script so that the last line of output recalls all warnings. It seemed to work for M... John Abbott

14:09 CoCoALib Feature #889 (Closed): configure script: give summary of warnings at end

The CoCoALib @configure@ script can produce warnings during its execution, however these easily become invisible/igno... John Abbott

20:38 CoCoA-5 Bug #757: readline: fix script for finding libreadline

I have modified the @readline@ scripts so that they accept only absolute paths as input. Recall that there can be pr... John Abbott

19:25 CoCoA-5 Bug #757 (Resolved): readline: fix script for finding libreadline

I have hacked the various scripts, and now it works on my MacBook.
However, I have just re-read the earlier commen... John Abbott

20:35 CoCoALib Feature #759 (In Progress): Configuration: where to keep source for test compilations?

Some scripts contain the source code inside themselves (as here-documents), others rely on an external existing (in a... John Abbott

15:32 CoCoALib Bug #593: Temporary directories used during configuration

Another advantage of using @/tmp@ is that scripts no longer need to test whether they are being run from the CoCoA ro... John Abbott

11:39 CoCoALib Bug #593: Temporary directories used during configuration

After waiting for several configure-make cycles to complete on the fixed machine here in Kassel, I have concluded tha... John Abbott

14:11 CoCoALib Bug #867: Compilation Error: C++11 and old GMP-Version

I have opened issue #889 which should resolve this issue (if my understanding of the problem is correct, namely that ... John Abbott

10 Jun 2016

17:32 CoCoALib Bug #756: frobby (v0.9.0) does not compile with g++-4.8

John Abbott wrote:
> Can you tell your compiler (clang/llvm) to use the old standard? You will have to look in the ... Anna Maria Bigatti

17:21 CoCoALib Bug #756: frobby (v0.9.0) does not compile with g++-4.8

Can you tell your compiler (clang/llvm) to use the old standard? You will have to look in the documentation to see h... John Abbott

17:08 CoCoALib Bug #756: frobby (v0.9.0) does not compile with g++-4.8

I've found this ;-)
[[https://github.com/Macaulay2/M2/issues/66]]
I copy here the reply from Bjarke Roune
======... Anna Maria Bigatti

16:55 CoCoALib Bug #756: frobby (v0.9.0) does not compile with g++-4.8

I do not recognise the error message you have posted.
Do you have to tell your compiler to use the C++03 standard ... John Abbott

16:50 CoCoALib Bug #756: frobby (v0.9.0) does not compile with g++-4.8

John Abbott wrote:
> OK, I have change the documentation. Could you check to see if it makes sense?
I believe I ... Anna Maria Bigatti

16:09 CoCoALib Bug #756: frobby (v0.9.0) does not compile with g++-4.8

OK, I have changed the documentation. Could you check to see if it makes sense? John Abbott

08 Jun 2016

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@?
Anna Maria Bigatti

06 Jun 2016

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 ... John Abbott

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... John Abbott

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... John Abbott

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... John Abbott

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... John Abbott

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,... John Abbott

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... Anna Maria Bigatti

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... Anna Maria Bigatti

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... John Abbott

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... John Abbott

01 Jun 2016

17:05 CoCoALib Support #887: My first compilations with clang

CoCoA-5 running!!... Anna Maria Bigatti

31 May 2016

15:55 CoCoALib Support #887: My first compilations with clang

... another thing I don't really know the meaning of:... Anna Maria Bigatti

15:49 CoCoALib Support #887: My first compilations with clang

I expect this is well under control ;-)... Anna Maria Bigatti

15:27 CoCoALib Support #887: My first compilations with clang

... I'm not quite sure what this refers to...... Anna Maria Bigatti

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... Anna Maria Bigatti

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. Anna Maria Bigatti

25 May 2016

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 ... John Abbott

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 ... John Abbott

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... John Abbott

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... John Abbott

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... John Abbott

24 May 2016

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@.
John Abbott

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... John Abbott

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... John Abbott

18 May 2016

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... John Abbott