Activity
From 22 Mar 2021 to 20 Apr 2021
20 Apr 2021
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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....
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06:49 Feature #1589 (Closed): IdealOfPoints: allow matrix of points to be defined over "wrong" ring
- This works...
19 Apr 2021
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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 ...
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15:55 Design #855: Copyright and authorship?
- Write something like:...
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15:53 Design #855: Copyright and authorship?
- To do:
* @TmpFactorDir@
* @TmpHilbertDir@
* etc?
18 Apr 2021
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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
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11:34 Feature #1306: exgcd over integers (ZZ)
- The source code is in *@NumTheory-gcd.C@*.
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11:25 Bug #1473: isystem not working as expected
- Any update?
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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...
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10:23 Slug #1057: Slug: Polynomial ring contructor slow with (big) matrix ordering
- *Here is a benchmark* (since there was none given earlier:...
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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:...
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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
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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:...
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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
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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
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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
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10:27 Bug #1585: CRASH/ABORT: GMP overflow
- Which functions should test for overflow?
@power@ and multiplication certainly. Which others?...
23 Mar 2021
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13:39 Bug #1585: CRASH/ABORT: GMP overflow
- I have increased the arbitrary limit so that the example in comment 4 above now runs without hiccups (except for the ...
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11:19 Bug #1585: CRASH/ABORT: GMP overflow
- Here is a "torture test" using multiplication (on my machine):...
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10:12 Bug #1585 (Resolved): CRASH/ABORT: GMP overflow
- No reply from the GMP people. I looked at the code, and it seems that the error is actually signalled inside a memor...
22 Mar 2021
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09:55 Bug #1585: CRASH/ABORT: GMP overflow
- I have written to the GMP people asking whether there is some way to specify an alternative way to handle overflow.
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09:40 Bug #1585: CRASH/ABORT: GMP overflow
- I have given this *high priority* because an abort is a nasty failure... everything is lost.
How to handle all pos... -
09:37 Bug #1585 (Closed): CRASH/ABORT: GMP overflow
- The following causes an abort:...
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