CoCoA » CoCoA-5

03 Apr 2019

17:14 Support #1268: Documentation for how to write a CoCoA package

I can make some notes based on the questions I've been asked.
These notes could form a basis for a better guide; b... John Abbott

17:12 Support #1268 (Closed): Documentation for how to write a CoCoA package

Some students here in Passau have been given the task of writing a CoCoA package, and have asked me for guidance. It... John Abbott

17:11 Design #474 (In Progress): Eliminate package BinRepr

What is the status of this issue?
The package still exists, and there is a *@BinRepr@* builtin function.
Can we d... John Abbott

17:08 Feature #1012 (Closed): Chebyshev polynomials

This has already been done. Closing. John Abbott

02 Apr 2019

21:52 Feature #1262: Split BuiltinFunctions-CoCoALib.C into smaller files

Anna has just sent me some code with redundant @#include@ directives removed.
Most compilation times are the same. ... John Abbott

11:50 Feature #1262: Split BuiltinFunctions-CoCoALib.C into smaller files

I believe that built-in functions (for extlibs, at least) are "registered" by constructing a global object. So the a... John Abbott

01 Apr 2019

17:30 Feature #1262: Split BuiltinFunctions-CoCoALib.C into smaller files

Indeed "duplication" is generally undesirable (as is the use of @goto@), but it may still be a good idea in certain "... John Abbott

15:27 Feature #1262: Split BuiltinFunctions-CoCoALib.C into smaller files

John Abbott wrote:
> I am very tempted to suggest modifying the macro *@DECLARE_MISSING_EXTLIB@* so that it is *inde... Anna Maria Bigatti

11:36 Feature #1262: Split BuiltinFunctions-CoCoALib.C into smaller files

Yesterday I ran the compiler with the *@-E@* option, which just does the preprocessing steps. Since currently I do n... John Abbott

29 Mar 2019

19:23 Support #290: Which functions are defined in CoCoALibSupplement?

Anna Maria Bigatti wrote:
> @CoCoALibSupplement@ currently contains some functions for external libraries, e.g.
> [... Anna Maria Bigatti

19:10 Support #290: Which functions are defined in CoCoALibSupplement?

@CoCoALibSupplement@ currently contains some functions for external libraries, e.g.... Anna Maria Bigatti

15:23 Feature #1262: Split BuiltinFunctions-CoCoALib.C into smaller files

I suggest putting @DECLARE_MISSING_EXTLIB@ into a smaller header file (if possible).
Then files such as @BuiltinFu... John Abbott

14:23 Feature #1262: Split BuiltinFunctions-CoCoALib.C into smaller files

It seems that many includes in @BuiltInFunctions.H@ are useless, or useful for only a few functions. Cleaning them m... Anna Maria Bigatti

14:16 Feature #1262: Split BuiltinFunctions-CoCoALib.C into smaller files

I note also that my compilation test above was without any external libraries.
So the time to compile @BuiltinFuncti... John Abbott

28 Mar 2019

21:37 Feature #1262: Split BuiltinFunctions-CoCoALib.C into smaller files

Here are the compilations timings for the updated computer:... John Abbott

14:22 Feature #1262: Split BuiltinFunctions-CoCoALib.C into smaller files

John Abbott wrote:
> BTW I noticed that it took quite a long time to compile @BuiltinFunctions-Normaliz.C@ even thou... Anna Maria Bigatti

14:14 Feature #1262: Split BuiltinFunctions-CoCoALib.C into smaller files

John Abbott wrote:
> I have just checked (using fgrep) and in @BuiltinFunctions-CoCoALib.C@ there are 28 fns with va... Anna Maria Bigatti

13:30 Feature #1262: Split BuiltinFunctions-CoCoALib.C into smaller files

I have just checked (using fgrep) and in @BuiltinFunctions-CoCoALib.C@ there are 28 fns with variable arity, and 129 ... John Abbott

10:58 Feature #1262: Split BuiltinFunctions-CoCoALib.C into smaller files

The time to compile (and link) @ex-empty.C@ was about 20s.
I tried splitting @BuiltinFunctions-CoCoALib.C@ into qu... John Abbott

27 Mar 2019

14:39 Feature #1262: Split BuiltinFunctions-CoCoALib.C into smaller files

Do you know how much the overhead for including @library.H@ is? that is quite slow by itself.
(try compiling an @ex... Anna Maria Bigatti

14:38 Feature #1262: Split BuiltinFunctions-CoCoALib.C into smaller files

Other compilation times:... John Abbott

14:21 Feature #1262 (In Progress): Split BuiltinFunctions-CoCoALib.C into smaller files

I tried splitting @BuiltinFunctions-CoCoALib@ into two more-or-less-equal parts.
File Time to compile... John Abbott

26 Mar 2019

13:53 Feature #1262: Split BuiltinFunctions-CoCoALib.C into smaller files

I had a look.
I think it would make sense to separate off the functions with variable number of args.
(look for @DE... Anna Maria Bigatti

11:39 Feature #1262: Split BuiltinFunctions-CoCoALib.C into smaller files

I hope this evening to try compiling again on the small computer, and I'll note which files gave problems with swappi... John Abbott

11:27 Feature #1262 (In Progress): Split BuiltinFunctions-CoCoALib.C into smaller files

Yesterday I tried compiling CoCoA-5 on my small computer (0.5Gbyte RAM), and it had trouble compiling @BuiltinFunctio... John Abbott

25 Mar 2019

13:57 Bug #1261 (In Progress): ASCII function

I have fixed the code in my local copy (@BuiltinFunctions.C@) so that it uses *@unsigned char@* instead of *@char@*. ... John Abbott

13:54 Bug #1261 (Closed): ASCII function

The @ascii@ function returns negative values for characters with code greater than 127.
I think it is better for n... John Abbott

13:52 Bug #672: Emacs UI: strange string literal causes crash

This is still a bug (in emacs 26.1).
A possible solution could be to print "weird characters" using backslash+octa... John Abbott

19 Mar 2019

17:04 Support #1258 (Closed): Manual page for CantStop

@CantStop.cpkg5@ now works. There should be a manual page at least for @PlayCantStop@.
Perhaps some of the other fn... John Abbott

15:16 Feature #1246 (In Progress): Revive old CoCoA4 package called "cocoa5.cpkg"

John Abbott

18 Mar 2019

14:42 Feature #1246: Revive old CoCoA4 package called "cocoa5.cpkg"

Here are the aspects to be addressed next:
* how to serialize rings (_i.e._ follow previous format, but passing ring... John Abbott

14:38 Feature #1246: Revive old CoCoA4 package called "cocoa5.cpkg"

Anna has cleaned the file so that it is syntactically OK.
Now we must look at the semantics. John Abbott

15 Mar 2019

17:25 Feature #1236 (Feedback): Add "socket" devices

Anna prefers the longer field names. Code cleaned, and checked-in. Anna will test.
Doc updated.
John Abbott

15:41 Feature #1236: Add "socket" devices

I have updated the CoCoA-5 manual.
I have modified the code so that @OpenSocket@ returns a record with 4 fields: *... John Abbott

12 Mar 2019

16:40 Bug #545: Compiler g++ 4.2.1 (clang-503.0.40) on MacOSX 10.9: warnings and errors

Problem with PIE (#3) resurfaced because of a line swap in configure.
Just in case it happens again:
this was solve... Anna Maria Bigatti

07 Mar 2019

09:49 Design #83 (In Progress): C++11 compatibility questions

Anna Maria Bigatti

05 Mar 2019

16:36 Support #1252 (New): ShapeLemma: no manual entry

The CoCoA-5 test file @test-ApproxSolve.cocoa5@ calls the function @ShapeLemma@, but this function is not in the CoCo... John Abbott