Activity
From 16 Apr 2015 to 15 May 2015
15 May 2015
-
19:28 Design #683 (Resolved): Module index component in internal compressed representation
- tested both with @unsigned int@ and @unsigned char@: it works!!...
-
- Bug probably found.... my fault
John has implemented in GBEnv.C... -
- Some notes:
In @OrdvArith.H@ there is this comment:... -
- 32749 is the biggest prime with some guarantee for <I-cant-remember-what>, so the order matrix is actually over ZZ/(3...
-
- I still don't understand why it seemed to work (maybe a missing cvs checkout)
The problem is a simple (when you know ... -
- with (CoCoA-5) input:...
-
- Add more module operations: +, colon, ...
(there are also some operations for modules in CoCoA-5 packages)
The ma...
13 May 2015
-
17:59 Feature #658: Indets actually in a poly (or vector or matrix)
- An advantage of @vector<bool>@ is that it avoids the problem/incompatibility of indices in C++ starting from 0 (both ...
-
- This issue is not so important (hence priority *low*); not even sure it is worth fixing, as it may complicate the bui...
-
- If you have CoCoALib already (configured and) compiled, and want to repeat compilation but also including an external...
11 May 2015
-
- Done.
If the matrix is over an IntegralDomain then it is mapped into FractionField.
Then the inverse is mapped back... -
- Anna says OK for the name -- hard to find a shorter name which is clearer.
I have clarified the manual.
Closing.
-
- I noticed that some of Christof's code uses @rank@; I have written to him asking whether it would be resaonable to ch...
-
- I think everything has now been done.
-
10 May 2015
-
- Currently the function is called @eratosthenes@; is there a better name?
The doc needs slight clarification @erato... -
- Can we close this?
09 May 2015
-
- The implementation will almost surely be best done via mem fns since the actual inner working of an "accumulator" wil...
08 May 2015
-
- This issue has status @Feedback@ but the percent done is just 20%.
What is the actual status? Should this issue be ... -
- I have implemented a first version of @AdjByDetOfMinors@; it may already be obsolete because I have also implemented ...
-
- There is a file @test-OrderedRing1.C@ which is not actually executed.
Either fix it so that it works (currently fail... -
- Commented out code could make sense in the following cases:
* the test is valid, but the relevant CoCoALib code is N... -
- Several test files contain commented out code; this should either be removed or made active (or perhaps add a clear c...
-
- Actually I am rather surprised that it is not necessary for all tests.
Investigate why it works without explicitly... -
- Some test files explicitly include @CoCoA/assert.H@ but many do not.
Check that it is truly needed when it is pres... -
- JAA has finished all test files. Will check-in, then we can verify on several platforms that all is well.
-
- Here is an invertible 3x3 matrix...
-
- generated cvs log...
07 May 2015
-
- JAA has now done @test-[J-Q]*.C@ and @test-[a-h]*.C@
-
- The file @src/tests/Makefile_dependencies@ seems to be suspiciously simple. Either it is wrong or it is pointless. ...
-
- Anna Maria Bigatti wrote:
> - when @IsZeroDivisor@ is called and should return @false@ then its ring is not integral...
30 Apr 2015
-
- Also @x/i@ is working now.
(will cvs it this afternoon) -
- ...
29 Apr 2015
-
- Polishing up all the code is always long and tedious....
Anyway!
The code is there and it works.
I still have prob... -
- Hint: @DenseMatrix.C:462@ the dispatch function @DenseMatImpl::myDet@ does not handle matrices over ZZ specially -- t...
-
- Just as a speed comparison reference I computed @3^(3^17)@ on both machines:
* old G4 took about 50s (on battery pow... -
- I've just tried a 1000x1000 matrix: the old G4 took about 550s, my newer MacBook Pro took 1400s. Embarrassing!
*NOT... -
- What?!? My dad's ancient iBook G4 is just as fast as my much newer MacBook Pro???
Something must be seriously wro... -
- I tried computing the following:...
23 Apr 2015
-
- What exactly should the interface be?
Who does the Chinese remaindering?
Which single rational reconstructor shou... -
- Implement the algorithm for simultaneously reconstructing several rational numbers.
-
- Suggested name of the new fn is @BadMFactor@; other candidates?
-
- In @RatReconstructByContFrac@ the bad factor of the combined modulus is computed; make it publicly accessible
22 Apr 2015
-
- I thought that it could be improved using geobuckets, so I searched the actual code performing the computation.
It i... -
- We found this slug while workig on @Implicit@ (evaluation for checking the final output can be very slow)
-
- Application of PolyAlgebraHom can be unreasonably slow (this is indeed a problem in optimizing multivariate evaluation)
20 Apr 2015
-
-
- Better names:
* *@myMoveLMToFront@*
* *@myMoveLMToBack@*
* *@myAddMulLM@*
-
- John Abbott wrote:
> Mario Albert calls @myAddMul@ in a "bad" way in @TmpJBEnv.C:323@.
> From his comments it seems... -
- Renaming is done now. Isn't it?
-
- also related to #91
19 Apr 2015
-
- I am still undecided about the "return" value (and its type):
* *A* a list of integer indices (presumably of type @ve...
17 Apr 2015
-
- I have impl'ed a first version (simple rather than efficient).
Not yet checked in; I want to do some testing first.
-
- Mario Albert calls @myAddMul@ in a "bad" way in @TmpJBEnv.C:323@.
From his comments it seems he wants to do:... -
- I have just added a check that the first arg must be non-zero (o/w LM does not exist).
Should it be an error or a @C... -
- The mem fn @SparsePolyRingBase::myAddMul@ has strange semantics; the only documentation is a 1 line comment in the so...
16 Apr 2015
-
- We shall need collections of @DivMask@ mirroring the elements of @myCornerList@ and @myAvoidList@. A complication ar...
-
- Internally @QBGenerator@ usually makes very many divisibility tests; use @DivMask@ to make these tests faster.
Thi...
Also available in: Atom