Activity
From 04 Mar 2019 to 02 Apr 2019
29 Mar 2019
- 09:18 Feature #1267: Ideal equality
- It is implemented in @ideals.C@ like this:...
28 Mar 2019
- 16:49 Feature #1267 (In Progress): Ideal equality
- Long in Passau lamented that sometimes testing two ideals for equality was too slow.
It might help to perform a fe... - 16:42 Design #1266 (New): Make a poly ring QQ[x,y,z] also contain a ZZ[x,y,z]
- Idea: every polyring @QQ[x,y,z]@ should also contain a single copy of @ZZ[x,y,z]@.
This single copy can then be us... - 16:39 Feature #1249: principal ideal has a Gbasis
- Having seen in the code that computing a GBasis over @QQ@ implies creating a new ring (with coeffs in @ZZ@), encourag...
- 10:20 Bug #1260: Fix file permissions after using CVS
- @.command@ is for MacOS:
<quote>
(...) .sh files are "owned" by Xcode by default, so if you were to double-click on...
27 Mar 2019
- 17:21 Bug #1256 (Closed): RingID: different values in test-output on different platforms
- John Abbott wrote:
> Using @gdb@ I see that *@ComputeGBasis@* is called, and it detected that the input ring is a po... - 15:26 Bug #1256: RingID: different values in test-output on different platforms
- Using @gdb@ I see that *@ComputeGBasis@* is called, and it detected that the input ring is a polyring over a fraction...
- 15:11 Bug #1256: RingID: different values in test-output on different platforms
- ...
- 13:55 Support #1265: Unregistered TXT files in doc
- These files exist but are not present in @index-alpha.html@....
- 13:52 Support #1265 (Closed): Unregistered TXT files in doc
- There are some "unregistered" *@.txt@* files in the CoCoALib documentation.
Rectify!
- 13:27 Bug #1260: Fix file permissions after using CVS
- I have noticed that some shell scripts in the source tree have suffix *@.sh@* while others have suffix *@.command@*. ...
26 Mar 2019
- 17:50 Bug #1264: Remove unnecessary files before making CoCoALib release TGZ files
- After unpacking the TGZ file on a Linux box, I found lots of files with names starting with dot-underscore. While th...
- 17:43 Bug #1264 (Closed): Remove unnecessary files before making CoCoALib release TGZ files
- I have just downloaded 0.99601 (TGZ format) and have noted that there are lots of small file which should not really ...
- 16:47 Support #1263 (In Progress): Tidy CoCoALib test directory
- The files I have are:...
- 16:44 Support #1263 (Resolved): Tidy CoCoALib test directory
- I have done some cleaning and have noticed some files called @test-*.C@ in the test directory which are not listed in...
- 11:34 Bug #1260 (In Progress): Fix file permissions after using CVS
- Here is a simple script which does most of the work. I tested it by setting "funny" permissions on all files and dir...
25 Mar 2019
- 17:09 Design #1259 (Resolved): ThreadsafeCounter is now obsolete?
- I have now removed @ThreadsafeCounter@ from my own personal copy.
Everything compiles and all tests pass. :-)
Once... - 12:06 Design #1259: ThreadsafeCounter is now obsolete?
- A quick grep shows that @ThreadsafeCounter@ is used in just two places:
* @ring.C@ (for the ring ID)
* @symbol.C@ ... - 12:01 Design #1259 (Closed): ThreadsafeCounter is now obsolete?
- C++14 *@atomic@* machine integers should render @ThreadsafeCounter@ superfluous.
Check, and either clean up the co... - 15:45 Design #891 (Closed): Replace auto_ptr in preparation for C++11?
- Summary:
* update effected
* *NOT C++03 COMPATIBLE* (not worth it)
- 15:33 Design #710: Update normaliz interface?
- Now that we are passing to C++14, we can reactivate this task.
The first step is to make sure that our current int... - 13:37 Bug #1260: Fix file permissions after using CVS
- I'm fed up with having to correct the file permissions by hand.
The proper solution is to correct what is recorded... - 12:09 Bug #1260 (Closed): Fix file permissions after using CVS
- I have noticed repeatedly that after doing CVS, the permissions on my files have become corrupted. This is *bad* whe...
20 Mar 2019
19 Mar 2019
- 15:15 Bug #1250 (Feedback): SEGV: CoCoALib with Normaliz in multithreading
- 12:12 Design #1257 (Feedback): C++14: use nullptr
- I have now updated the .C files too. Everything compiles and runs.
It is possible that I have missed some 0 (that w...
18 Mar 2019
- 18:53 Design #1257 (In Progress): C++14: use nullptr
- I have done the header files. There may still be one or zeroes which escaped me (but I hope not). Next are the .C f...
- 11:24 Design #1257 (Closed): C++14: use nullptr
- From C++11 there is the constant *@nullptr@* for the null pointer.
Update our (C++) code to use it!
- 14:33 Support #1161: Split NumTheory.C into several smaller files
- Current state:
* *@NumTheory.C@*
* *@NumTheory-ContFrac.C@*
* *@NumTheory-CoprimeFactorBasis.C@*
* *@NumTheory-pr... - 14:10 Feature #1227: exgcd; solve Bezout equation
- I prefer to defer this question until later, until when we have decided what exactly @exgcd@ should do (and whether i...
15 Mar 2019
- 17:59 Bug #1256: RingID: different values in test-output on different platforms
- Anna uses @clang@ on MacOS, while I use @g++@ on Linux.
We get different outputs for @test-output@: its seems that t... - 17:56 Bug #1256 (Closed): RingID: different values in test-output on different platforms
- In @test-output@ Anna and I get different outputs (due to different RingIDs) because we use different platforms.
I... - 17:31 Bug #1250: SEGV: CoCoALib with Normaliz in multithreading
- I have changed the @configure@ script so that it prints out a clearer summary.
I have changed the @Makefile@ so that...
14 Mar 2019
- 13:35 Design #950: factor and SmoothFactor for integers --> FactorINT, FactorINT_TrialDiv, FactorINT_PollardRho
- Here is an effect of the idea of testing the remaining factor for primality....
11 Mar 2019
- 19:18 Feature #1249: principal ideal has a Gbasis
- Done and partly tested.
- 18:53 Feature #1249: principal ideal has a Gbasis
- Here are some more minor points (after speaking to Anna on the phone):
* Anna was concerned about potential cost if ... - 19:16 Design #1255: Ideals with trivial GBasis
- [by John Abbott: moved here from #1249]
-----------------------------
Also if the gens happen to have coprime LTs w... - 19:14 Design #1255 (New): Ideals with trivial GBasis
- If an ideal has a single (non-zero) generator then that generator is automatically a Gbasis.
CoCoALib does not curre... - 16:03 Bug #1250: SEGV: CoCoALib with Normaliz in multithreading
- The distribution had a precompiled @PREPROCESSOR_DEFNS.H@ and @autoconf.mk@ disabling @CoCoA_THREADSAFE_HACK@.
A par... - 15:16 Design #1225: Move to C++14 (skipping C++11)
- John Abbott wrote:
> JAA has checked in latest changes. Hope they work for Anna!
whateve that was, it compiles a...
07 Mar 2019
- 09:48 Feature #82: C++11 compatibility questions
- Warning with clang:...
06 Mar 2019
- 18:16 Design #1225: Move to C++14 (skipping C++11)
- JAA has checked in latest changes. Hope they work for Anna!
- 17:17 Feature #1249 (In Progress): principal ideal has a Gbasis
- Also if the gens happen to have coprime LTs wrt to current ordering then they are a GBasis. Might be useful to have ...
- 16:34 Bug #1248: MinPolyQuot: guaranteed and ideal without GBasis
- Fixed.
Now, *guaranteed* computes GBasis if missing, so result is guaranteed.
Testing.
- 15:10 Feature #1254 (New): New function: MinPoly for pseudo-zero-dimensional ideals
- For min polys it might be possible to work with a sub-ideal in a subring. For example,...
05 Mar 2019
- 18:39 Design #1225 (In Progress): Move to C++14 (skipping C++11)
- So far I have done the following:
* revised and renamed script @cxx03.sh@ into @cxx14.sh@
* revised @configure@ scr... - 16:40 Bug #1248: MinPolyQuot: guaranteed and ideal without GBasis
- The CoCoA-5 test @test-ApproxSolve.cocoa5@ failed with wrong output: there should have been no output, instead a warn...
- 16:13 Bug #1248 (In Progress): MinPolyQuot: guaranteed and ideal without GBasis
- Two more comments:
* *(1)* my preference is that computations in CoCoALib be guaranteed correct unless the caller ex... - 16:08 Bug #1248: MinPolyQuot: guaranteed and ideal without GBasis
- For min polys it might be possible to work with a sub-ideal in a subring. For example,...
- 15:57 Feature #1103 (In Progress): Pseudo-zero-dim ideals
- Note also that if we map into a temporary ring without redundant indets, then we can also choose a convenient term-or...
04 Mar 2019
- 18:04 Design #1223 (Closed): NewPolyRing default indet names
- 16:14 Feature #1251 (Closed): New function: radical for monomial ideal
- As for zero-dimensional ideals, implement it so we can pass it to CoCoA-5.
- 12:21 Bug #1250: SEGV: CoCoALib with Normaliz in multithreading
- ...
- 12:16 Bug #1250: SEGV: CoCoALib with Normaliz in multithreading
- Looking for possible problems in the logs from January to June 2018...
- 12:08 Bug #1250 (In Progress): SEGV: CoCoALib with Normaliz in multithreading
- We are searching for suspect code. We are working blind (since we do not have any experience with parallel execution...
- 12:06 Bug #1250 (Closed): SEGV: CoCoALib with Normaliz in multithreading
- Bruns reports (email 2019-03-02) the following SEGV bug:...
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