Activity
From 09 Oct 2017 to 07 Nov 2017
07 Nov 2017
- 13:39 Feature #1117 (In Progress): Better printing of negative coeffs
- JAA suggests that we handle integer and rational coeffs specially; all other coeffs are handled in a generic way.
He... - 12:34 Feature #1117 (In Progress): Better printing of negative coeffs
- Currently CoCoALib prints out polys wth negative rational coeffs in an ugly way:...
06 Nov 2017
- 16:48 Bug #756 (Closed): frobby (v0.9.0) does not compile with g++-4.8
- JAA has a temporary version of FROBBY available in @frobby_v0.9.3.tgz@
This seems to avoid the portability problem... - 16:43 Bug #975: configure: possibly ignore GMP compilation flags
- I have made a preliminary version of @configure@ and various auxiliary scripts which do not expect extra CXXFLAGS for...
- 15:53 Feature #1035 (Closed): Improvement: how to sort QuotientBasis?
- 15:50 Feature #1102 (Closed): Implement RootBound
- 15:49 Feature #255 (Closed): Use BOOST lib default location if possible
- JAA thinks this has already been resolved adequately in the intervening 5 years.
Closing.
- 15:31 Feature #796 (Closed): CoCoALib function for radical (or SqFree) of a polynomial
- OK, let's use *@radical@* then (both for ideals and ring elements); it is the clearest.
Closing.
- 15:20 Feature #796: CoCoALib function for radical (or SqFree) of a polynomial
- John Abbott wrote:
> It seems that this issue is practically finished except for the questoon of the name of the fun... - 14:24 Feature #796: CoCoALib function for radical (or SqFree) of a polynomial
- It seems that this issue is practically finished except for the questoon of the name of the function.
The main choic... - 15:27 Feature #1108 (Closed): New fn: IsCoprime (whenever gcd makes sense)
- 15:24 Support #574 (Resolved): Tidy CoCoA root directory
- I think this has been mostly done.
There is no longer the GPLv2 file, no any file called @INSTALL@ (but there is @... - 15:15 Slug #1042 (Closed): LF curiously slow (breaking a poly into homog pieces)
- 15:12 Feature #979 (Closed): SmallestNonDivisor -- new fn
- This is apparently complete (also included in CoCoA-5).
- 15:06 Bug #1101 (Feedback): Bug in MinPolyModular (insufficient rational reconstruction)
- 14:41 Feature #37: matrix constructors
- *MatByRows/Cols* is now available in CoCoALib.
All other questions have been dealt with, more or less directly.
- 14:31 Feature #37: matrix constructors
- This issue is a bit strange -- it is now quite old, and of questionable relevance now.
Perhaps we should just clos... - 14:06 Feature #730 (Feedback): Stats in GBMill (GReductor)
- 13:56 Slug #881 (Feedback): ReadExpr is too slow on large polys
- 13:48 Feature #962 (Feedback): General verbose mode?
03 Nov 2017
- 12:38 Bug #1113: gcd crashes (Floating point exception)
- Here is another example (possibly simpler than the previous one?):...
02 Nov 2017
- 13:19 Feature #1115 (In Progress): New class: exterior algebra
- Add this new class, mimicking @RingWeyl@.
31 Oct 2017
- 15:36 Slug #1105: Primary Decompositon (zero-dim) slow cases
- Here are some examples I found lying around in a file:...
27 Oct 2017
- 17:45 Bug #1113 (Closed): gcd crashes (Floating point exception)
- In an old file (from 2006) I found two examples where GCD (in CoCoA4) crashes because it runs out of primes; since we...
- 11:53 Design #703: Add more operations between modules (CoCoALib)
- Reminder. Add +.
25 Oct 2017
- 13:29 Slug #1110 (Closed): Determinant of matrix over QQ (whose entries are actually integers)
- CoCoA-5 can be much faster as computing @det(M)@ if @RingOf(M)@ is @ZZ@ than the same matrix but over the ring @QQ@.
...
17 Oct 2017
- 17:15 Feature #1108 (Resolved): New fn: IsCoprime (whenever gcd makes sense)
- I have written a first trivial implementation. Seems to work.
- 16:50 Feature #1108: New fn: IsCoprime (whenever gcd makes sense)
- The fn should be defined when *@gcd@* makes sense (_i.e._ for true GCD domains and @BigInt@).
At the moment I pref... - 16:48 Feature #1108 (Closed): New fn: IsCoprime (whenever gcd makes sense)
- Define a new fn *@IsCoprime@* which is equivalent to *@IsInvertible(gcd(arg1, arg2))@*
JAA thinks it is better to ... - 15:47 Feature #630 (Feedback): Add graeffe function?
- Added code; doc; example.
Also made accessible to CoCoA-5.
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