Activity
From 23 Nov 2020 to 22 Dec 2020
22 Dec 2020
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17:19 CoCoA-5 Slug #1556: DivAlg slower than NR
- Check the code for NR and see how to make the data type for the output.
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14:21 CoCoA-5 Slug #1556: DivAlg slower than NR
- Just for the record: @NR@ took about 0.063s, @DivAlg@ took about 1280s.
Presumably @DivAlg@ should also be built-i... -
14:03 CoCoA-5 Slug #1556: DivAlg slower than NR
- I verify that the problem is present in the current version on my computer.
*@NR@* is a built-in function; *@DivAl... -
13:57 CoCoA-5 Slug #1556 (New): DivAlg slower than NR
- Andraschko reported the following by email:
Consider the following code which computes the minimal polynomial of sqr... -
16:20 CoCoA-5 Bug #1553 (Feedback): Timing SystemCommand
- I have checked in *@ElapsedTime@* (incl. doc).
New qn: is the fn *@RealTime@* in CoCoALib obsolete? -- *NOTE:* may... -
16:16 CoCoALib Bug #1376: GBasisTimeout: not working as expected
- What is the status of this issue?
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16:10 CoCoALib Bug #1542: gfan does not "deinitialize"
- A non-solution is to modify the documentation to say that @GMPAllocator@ does not work well with GFan (or else the u...
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15:36 CoCoA-5 Design #1554: cocoa5-emacs-dir or cocoa5-root-dir?
- The question arose after an email from Alasdair McAndrew (around 2020-12-18). Anna will investigate.
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15:32 CoCoA-5 Design #1554 (In Progress): cocoa5-emacs-dir or cocoa5-root-dir?
- Anna points out that there are complications on Microsoft where one cannot be entirely sure where the release is unpa...
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15:03 CoCoA-5 Design #1546: Improve 'describe' or 'print' for a function
- Now "print/println ... (on ...)" prints the body of used defined functions.
To do: "describe" should give the name o...
21 Dec 2020
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12:33 CoCoALib Support #1555 (Closed): Software licence
- Gereon Kremer asks whether we are willing to release some or all of the source for CoCoA/CoCoALib under a different l...
19 Dec 2020
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16:29 CoCoA-5 Bug #1553: Timing SystemCommand
- The new func @ElapsedTime@ is perfectly fine with me!
I personally prefer the return value representing a rational a...
18 Dec 2020
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17:45 CoCoA-5 Bug #1553: Timing SystemCommand
- I have now implemented *@ElapsedTime@* (based on the standard C++ @steady_clock@)....
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16:40 CoCoA-5 Bug #1553: Timing SystemCommand
- It might be possible to replace the call to the C++ function @system@, by a @fork@ and an @exec@ (or @execv@?).
I ha... -
17:24 CoCoA-5 Design #1554: cocoa5-emacs-dir or cocoa5-root-dir?
- It seems more natural to me to specify the path to the "root" directory; then all accesses to files are "downward".
... -
17:22 CoCoA-5 Design #1554 (Closed): cocoa5-emacs-dir or cocoa5-root-dir?
- In the emacs initialization lines we define *@cocoa5-emacs-dir@*.
Why do we not define *@cocoa5-root-dir@* instead? ...
17 Dec 2020
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17:07 CoCoA-5 Bug #1553: Timing SystemCommand
- oh well yes, @sleep@ may not be the best test, however I think it nonetheless highlights my problem ;)
I agree tha... -
17:07 CoCoA-5 Bug #1553 (In Progress): Timing SystemCommand
- I have searched briefly (or not-so-briefly) on internet, and it seems that C++ does not yet offer a way to measure pr...
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16:35 CoCoA-5 Bug #1553: Timing SystemCommand
- First comment: using @sleep@ is perhaps not the best test. Below is what I get using bash on my Linux computer:
<pre... -
14:47 CoCoA-5 Bug #1553 (Closed): Timing SystemCommand
- Hi,
I was just timing some computations and noticed that the the time it takes to execute a command with @SystemCo...
13 Dec 2020
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17:16 CoCoA-5 Bug #1552: subst: not checking args properly
- @subst@ is defined in package @misc@.
The real problem appears to be in @Subst2_top@:
@x+2@ is evaluated in @ZZ/(... -
17:13 CoCoA-5 Bug #1552 (New): subst: not checking args properly
- The following shows that @subst@ can behave wrongly:...
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11:07 CoCoA-5 Design #1551: Emacs: avoid making buffer visible in 2 "windows"?
- After a quick search I found the following useful link:
*@https://emacs.stackexchange.com/questions/2959/how-to-kn... -
11:06 CoCoA-5 Design #1551 (New): Emacs: avoid making buffer visible in 2 "windows"?
- In Emacs if I type @M-x cocoa5 RET@ it changes the current "window"(?) to show @*cocoa5*@ buffer even if this buffer ...
12 Dec 2020
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21:37 CoCoA-5 Design #1550 (Feedback): version number for CoCoA5 snapshot release?
- I have checked in: better doc in @release-files/version@, new target in @Makefile@, new program @check-version-define...
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21:36 CoCoA-5 Bug #1512 (Feedback): Package with unexpected EOF
- I have checked the code in. No test (do we need one?)
11 Dec 2020
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21:54 CoCoA-5 Design #1550 (Resolved): version number for CoCoA5 snapshot release?
- I have added a safety check. It seems to work well enough.
Tomorrow I'll check it in.
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21:09 CoCoA-5 Design #1550: version number for CoCoA5 snapshot release?
- I have now checked where the values of @COCOA5_VER_MAJ@ etc are used.
I believe it is safe if they contain alphanume... -
14:31 CoCoA-5 Design #1550 (In Progress): version number for CoCoA5 snapshot release?
- I changed the file @src/CoCoA/release-files/version@ so that the 3rd component was @3b@ (instead of just @3@).
CoCoA... -
12:20 CoCoA-5 Design #1550 (Closed): version number for CoCoA5 snapshot release?
- should we have finer numbering?
such as cocoa-5.3.3b? -
14:24 CoCoA-5 Bug #1512 (Resolved): Package with unexpected EOF
- I think I have fixed it: it now produces this error report:...
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12:30 CoCoA-5 Design #1545: CoeffOfTerm: in CoCoALibSupplement
- The code is there, currently commented out.
What we have occasion to use it and test speed in a real contest (when w... -
12:01 CoCoA-5 Design #1544: CoCoA coding conventions for parser/interprer?
- Discussion with John: OK, updating the style "as we go".
Keep *@theRing@* & co. for *@intrusive_ptr@* (at least to... -
11:55 CoCoA-5 Design #1546 (In Progress): Improve 'describe' or 'print' for a function
- If the fn comes from a package, can the name of the pkg be given (perhaps in a comment)?
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09:38 CoCoA-5 Design #1546: Improve 'describe' or 'print' for a function
- Anna Maria Bigatti wrote:
> Maybe we could have @print/print .. on ..@ actually printing the function.
I have it ... -
11:53 CoCoA-5 Feature #1174 (In Progress): package of a function --> of an identifier!
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11:48 CoCoA-5 Feature #1174: package of a function --> of an identifier!
- Anna has a prototype in @coclib.cpkg5@. Currently commented out -- how long has it been there??
If it were built-... -
09:41 CoCoA-5 Feature #1549 (In Progress): Add sagbi package
- I have a package ready for computing sagbi bases.
Confirm syntax and write manual.
09 Dec 2020
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08:54 CoCoA-5 Design #1546: Improve 'describe' or 'print' for a function
- Anna Maria Bigatti wrote:
> Julian Danner wrote:
> > sadly CoCoA does not offer a (nice) way to save objects (rings... -
08:03 CoCoA-5 Design #1546: Improve 'describe' or 'print' for a function
- Julian Danner wrote:
> sadly CoCoA does not offer a (nice) way to save objects (rings, polys, lists,...) in such a w...
08 Dec 2020
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14:29 CoCoA-5 Support #1548 (New): Man page for UniversalGBasis
- The manual page for @UniversalGBasis@ could be clearer.
Improve it!
07 Dec 2020
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16:17 CoCoA-5 Design #1546: Improve 'describe' or 'print' for a function
- I have had a (not so) quick look at the code involved.
*@describe@* like all CoCoA commands returns no value, and th...
05 Dec 2020
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14:15 CoCoALib Bug #1542: gfan does not "deinitialize"
- I downloaded gfan (v. 0.6.2) from the official website.
The subtree layout is quite different from what I have!
Als... -
14:02 CoCoALib Design #1529 (Feedback): INPUT questions
- I have cleaned the code. All tests pass. Checking in.
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13:55 CoCoALib Design #1547 (Closed): Require decimal mode for ostream?
- In issue #1529 we have decided to require that when reading from an @istream@ the stream must be in decimal mode.
Sh...
04 Dec 2020
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23:19 CoCoALib Design #1523 (Feedback): Input fns: action when when istream is in bad state?
- I have also modified and checked in @symbol.C@
*Conclusion: input fns throw if @istream@ is not in good state*
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12:53 CoCoA-5 Design #1546 (Closed): Improve 'describe' or 'print' for a function
- Hi,
sadly CoCoA does not offer a (nice) way to save objects (rings, polys, lists,...) in such a way that they can be... -
11:57 CoCoA-5 Design #1545 (New): CoeffOfTerm: in CoCoALibSupplement
- Maybe improve impl of @CoeffOfTermSparse@ in @CoCoALibSupplement.C@ around line 151?
See commented out "improved" ... -
11:29 CoCoALib Design #1529 (Resolved): INPUT questions
- Update:
* an exception is thrown if the @istream@ is not in "decimal" mode
* no spaces are allowed inside a rationa... -
10:26 CoCoA-5 Feature #1543 (Feedback): Default path for packages
- Done and tested. cvs-ed.
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09:40 CoCoA-5 Feature #1543: Default path for packages
- Main.C L279
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09:37 CoCoA-5 Feature #1543: Default path for packages
- This is for running CoCoAInterpreter in terminal, when it is saved in the bin/ directory.
This happens (at least) ... -
09:31 CoCoA-5 Feature #1543 (Closed): Default path for packages
- Now CoCoAInterpreter look for packages (if not specified) in its own directory. Add also the path "../"
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09:51 CoCoA-5 Design #1544: CoCoA coding conventions for parser/interprer?
- I've done it for *@defaultPackageDir@* which is now *@IsDefaultPackageDir@*.
I find it easier, and that's the reason... -
09:47 CoCoA-5 Design #1544 (New): CoCoA coding conventions for parser/interprer?
- Should we (slowly?) adapt parser/interpreter/main to our coding conventions?
03 Dec 2020
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21:31 CoCoA-5 Bug #1514 (Closed): Cocoa crashes when calling RingElems
- I now have a personal CoCoA version with the new @MemPool@ code (see issue #1522 comment 10).
I have just tried the ... -
20:30 CoCoALib Bug #1542 (In Progress): gfan does not "deinitialize"
- I have uncommented the suspicious commented out call in GFAN, and everything seems to work fine now.
I hope Anna c... -
11:48 CoCoALib Bug #1542: gfan does not "deinitialize"
- Now I wonder whether I disabled the call to @deinitialize@ myself.
The problem almost certainly arises only when @... -
20:28 CoCoALib Bug #1522: SEGV: avoid long linked lists of loaves in MemPools
- I have made a first design improvement:
There is now *@MaxSliceSize@* (in bytes); if the requested slice size is gre...
02 Dec 2020
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20:49 CoCoALib Bug #1542 (In Progress): gfan does not "deinitialize"
- I have been "playing" with @MemPool@, and found that gfanlib seems to allocate 7 GMP values which are never freed.
...
01 Dec 2020
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14:03 CoCoA-5 Feature #1541: foreach with ref to list entry?
- If we choose to extend CoCoA-5, there are 2 obvious approaches:
* modify @foreach@ so that it uses references --- ob... -
13:58 CoCoA-5 Feature #1541 (New): foreach with ref to list entry?
- Julian Danner asks whether it would be possible to have a version of @foreach@ which operates on a reference to the l...
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12:13 CoCoA-5 Support #1298: How can user find the indent command?
- I am tempted to remove the example of using @indent@ with 2 args: it occupies a lot of vertical space, but conveys li...
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12:08 CoCoA-5 Support #1298: How can user find the indent command?
- Maybe this should be a new issue? I was surprised at what @indent@ did when given a module:...
26 Nov 2020
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16:33 CoCoA-5 Support #322: Installation instructions (on website)
- I must check what happens for old MacOS
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16:29 CoCoALib Design #1391: RingElems: syntax with [ and ] ?
- My copy works ok, but I must devise tests.
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16:24 CoCoA-5 Bug #1537: EmacUI: strange colours, sometimes
- John Abbott wrote:
> A possible way to address the problem is to discourage users from typing *@/-@* by making it is... -
16:20 CoCoA-5 Feature #1536: Implement xel?
- Anna will impl in CoCoAlib, and then make accessible to CoCoA-5.
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16:06 CoCoA-5 Feature #1536: Implement xel?
- One difference between @QQ[x,y,z],xel@ and @QQ[z,y,x],lex@ is that the order in which the idents are printed is diffe...
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14:37 CoCoA-5 Feature #1536 (In Progress): Implement xel?
- Very good reasoning.
Indeed some researchers have opposite standards, calling lex (and degrevlex) what we call xel (... -
15:52 CoCoA-5 Feature #1535: New functions: argmin, argmax
- I like the idea. We need another mane for the funzion with indices.
23 Nov 2020
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10:18 CoCoA-5 Design #1520 (Feedback): Replace BOOST_FOREACH by new C++14 range for syntax
- I have checked in my changes. Let's hope everything works fine!
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