CoCoA » CoCoALib

11 Jul 2012

15:49 Feature #40: Squarefree factorization - Alessio d'Ali`

Alessio has added some paragraphs about primitivization, including examples to show that Bernardin's algorithm does n... John Abbott

10 Jul 2012

15:10 Feature #206: Matrix equation solving: LinKer

Added *LinKer* to CoCoA-5 and test.
Added test for CoCoAlib (added into ex-matrix3, written for _brother function_... Anna Maria Bigatti

10:17 Feature #206: Matrix equation solving: LinKer

Written *LinKerByGauss* for matrices with entries in a field.
The code uses *RankAndGauss(M, ncols)* which compute... Anna Maria Bigatti

09:40 Feature #206 (In Progress): Matrix equation solving: LinKer

find all solutions M*x = 0 Anna Maria Bigatti

05 Jul 2012

17:59 Bug #149: Makefile dependencies

another possibility would be to check in (and distribute) @Makefile_dependencies@ without external libraries (_i.e._ ... Anna Maria Bigatti

11:14 Feature #203: Function to get the Hilbert Polynomial ring from GlobalManager

Currently it is available calling the function... Anna Maria Bigatti

10:40 Feature #30 (Closed): SwapRows, Cols

Anna Maria Bigatti

10:11 Bug #85 (Closed): QuotientRing problem

Now it works. I can't remember fixing it and how, but obviously someone did... Anna Maria Bigatti

09:49 Support #205 (New): Example for change of coordinates with coeffs in a matrix

Add to *ex-RingHom3* an example for a change like *x --> A*x* Anna Maria Bigatti

04 Jul 2012

18:33 Feature #202: MatrixView/function for viewing a single row or column (RowMat, ColMat)

another proposal... Anna Maria Bigatti

10:17 Feature #202 (Closed): MatrixView/function for viewing a single row or column (RowMat, ColMat)

We should make a special view for a row or column since the C++/STL for calling *submat* is so bad (vector containing... Anna Maria Bigatti

11:20 Feature #203 (Closed): Function to get the Hilbert Polynomial ring from GlobalManager

The function *MakeGlobalHPPowerList(const DenseUPolyRing& P)* in GlobalManager.C creates a list of polynomials.
Its ... Anna Maria Bigatti

29 Jun 2012

17:17 Bug #199 (Closed): CFApprox: division by zero

I forgot to close the issue and to count CVS time etc.
John Abbott

16:49 Bug #199: CFApprox: division by zero

The bug was a consequence of when I changed the definition of integer division (from round towards -infinity to round... John Abbott

14:48 Bug #199 (Closed): CFApprox: division by zero

... Anna Maria Bigatti

26 Jun 2012

15:09 Feature #40: Squarefree factorization - Alessio d'Ali`

Alessio has:
* continued with the report
* reorganized the tests so that they are largely automatic
He will chec... John Abbott

22 Jun 2012

12:47 Bug #196 (New): PPWithMask needs checking

which functions give guarantees and which don't?
better be more clear and consistent.
Check also if PPMonoidFast ca... Anna Maria Bigatti

12:47 Support #75: Documentation review by Caleo

Alessandra reports:
* doc for *@PPWithMask@* needs major improvement (and also the impl)
* *@ex-PPWithMask2.C@* nee... John Abbott

12:03 Support #195 (Closed): OrdvArith documentation needs rewriting

Alessandra Caleo noticed that OrdvArith seems to be quite messy: includes parts about PPOrdering and is not clear why... Anna Maria Bigatti