Activity
From 02 Apr 2021 to 01 May 2021
30 Apr 2021
- 22:29 Support #1591: Compilation of Normaliz
- I suggest as a first step we try to contact Bruns to whether the Normaliz people can fix this quickly and easily.
If... - 09:28 Support #1591 (Closed): Compilation of Normaliz
- With my new computer I cannot compile libnormaliz succesfully.
MacOS 10.15 Catalina
with personal installation of... - 17:58 Bug #1473: isystem not working as expected
- *2021-04-30* we have just verified that this is still a problem when using clang on MacOS.
The solution seems to be ...
28 Apr 2021
- 14:44 Feature #1381: Type ideal for ZZ[x[1..n]]
- I have just checked in my current changes... they are not well designed (but the test above works as hoped).
- 10:57 Feature #1381: Type ideal for ZZ[x[1..n]]
- Here is my first _ad hoc_ test:...
27 Apr 2021
- 22:45 Feature #1381: Type ideal for ZZ[x[1..n]]
- I think I have fixed ideal product now: it calls the "clever monomial short-cut" only if the coeff ring is a field (a...
- 21:51 Feature #1381: Type ideal for ZZ[x[1..n]]
- I suspect the example in the previous note is wrong because an ideal is a recognized as "monomial over field" without...
- 20:22 Feature #1381: Type ideal for ZZ[x[1..n]]
- A quick test of ideal product suggests that it does not work properly in @ZZ[...]@...
- 14:05 Feature #1381: Type ideal for ZZ[x[1..n]]
- The CoCoA-5 tests all passed, and I succeeded in creating an ideal in @ZZ[x,y,z]@.
Next thing is to check that som... - 13:56 Feature #1381 (In Progress): Type ideal for ZZ[x[1..n]]
- The relevant source code seems to be around line 364 of @SparsePolyOps-ideal.C@.
I'll try disabling the check insi...
26 Apr 2021
- 16:03 Bug #1590 (Feedback): CRASH: LinKerZZ
- The problem was an incorrectly sized vector; the bug was "hidden" by a poor choice of variable name (was *@row@*, now...
- 15:07 Bug #1590: CRASH: LinKerZZ
- The correct input should have been the transpose of the matrix.
- 15:06 Bug #1590 (Closed): CRASH: LinKerZZ
- Florian reports:...
- 14:07 Support #1555: Software licence
- Currently our copyright notice in source code files says the following (following guidance from FSF about using GPL):...
20 Apr 2021
- 06:54 Feature #1589 (Resolved): IdealOfPoints: allow matrix of points to be defined over "wrong" ring
- Easy to fix for most of the reasonable cases....
- 06:49 Feature #1589 (Closed): IdealOfPoints: allow matrix of points to be defined over "wrong" ring
- This works...
19 Apr 2021
- 20:55 Bug #1585: CRASH/ABORT: GMP overflow
- There are very many cases to consider, esp. if we want to cover all (or almost all) possibilities.
Now I am more i... - 12:03 Bug #1585: CRASH/ABORT: GMP overflow
- How to test if the overflow detection mechanism is working properly (_i.e._ throws an exception instead of causing a ...
- 15:55 Design #855: Copyright and authorship?
- Write something like:...
- 15:53 Design #855: Copyright and authorship?
- To do:
* @TmpFactorDir@
* @TmpHilbertDir@
* etc?
18 Apr 2021
- 22:51 Bug #1585: CRASH/ABORT: GMP overflow
- I have put a first version of @mpz_mul@ with overflow check in @utils-gmp@.
A quick suggests that it is working as e...
15 Apr 2021
- 11:34 Feature #1306: exgcd over integers (ZZ)
- The source code is in *@NumTheory-gcd.C@*.
- 11:25 Bug #1473: isystem not working as expected
- Any update?
- 10:38 Bug #1579 (In Progress): Readexpr/RingElem: unhelpful error message when input is wrong
- I have added a simple extra test: if the first char after the end of the expr is @'^'@, then it prints out a more hel...
- 10:23 Slug #1057: Slug: Polynomial ring contructor slow with (big) matrix ordering
- *Here is a benchmark* (since there was none given earlier:...
- 10:17 Slug #1588: ElimMat is slow
- My guess is that the code repeatedly calls @rank@, but we should be able to be "clever" in some common cases.
Is i... - 10:15 Slug #1588 (New): ElimMat is slow
- @ElimMat@ is rather slow for larger inputs:...
- 09:50 Design #1528: MacOS compilation with clang
- Any progress here?
It is enough to make small steps rather than try to do it all in one go.
Presumably compilatio...
09 Apr 2021
- 13:48 Support #1555: Software licence
- I currently suggest the following:
* add copyright notices to all files (incl. @Makefile@ and other supporting files... - 13:40 Support #1555: Software licence
- As mentioned in #855#note-15 the FSF gives advice at the following URL:...
- 11:59 Design #855: Copyright and authorship?
- Here is a URL to a page by the FSF about copyright notices to assign to works:...
07 Apr 2021
- 18:08 Support #1555: Software licence
- We seem to have used the standard GPL v3.0 for all source code (headers and source):
* in @include/CoCoA/@
* in @sr...
05 Apr 2021
- 15:19 Feature #1210: New Fn: make public "coefficients" (of poly wrt a given PP basis)
- How to impl neatly and efficiently the version @CoeffsWRT(f,QB)@?
Perhaps create a list of pairs (PP,index); sort ...
02 Apr 2021
- 10:27 Bug #1585: CRASH/ABORT: GMP overflow
- Which functions should test for overflow?
@power@ and multiplication certainly. Which others?...
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