# LinBox Winter Days
Richerenches, Dec 4-7 2018.
Gîte les coquettes
http://www.locations-richerenches.com/

## Resources

* This pad: https://hackmd.io/N2t4XhzYRA2XDeMSxaNxbA#
* LinBox issues: https://github.com/linbox-team/linbox/issues
* fflas-ffpack issues: https://github.com/linbox-team/fflas-ffpack/issues
* Givaro issues: https://github.com/linbox-team/givaro/issues
* Live discussion channel on slack: https://linbox.slack.com/ use preferably the channel #winterdays18
* WIFI connections at Les Coquettes:
- SSID: SFR_4918 ; pwd: 6pzj39xnpw5mvi98atxx
- SSID: Les Coquettes 2 ; pwd: 061503240

## How to use this pad
1. List the projects you would like to work on
2. Choose one, in the list, and mark your initials (e.g. [CP]) before it, cut and paste the line in the ***Work in progress*** section
3. Once the work is done, cut and paste it to the ***Needs review*** or ***Done*** sections.

## List of projects
* LinBox issue[38](https://github.com/linbox-team/linbox/issues/38): check if the branch maple-interface fixes this
* LinBox enhancement: improve polynomial matrix storage design
* fflas-ffpack PR [185](https://github.com/linbox-team/fflas-ffpack/pull/185): fixing improper use of optim flags and pkg-config
* Refactorization of LinBox solve solution and better integration of OMP and MPI variants
* Refactorization and cleanup of rational-solvers
* fflas-ffpack PR [170](https://github.com/linbox-team/fflas-ffpack/pull/170): parallelisation of fgemm with RNS [JGD pb, FAILED with several threads]
* Create tests for Smith Valence
* <your pet project here>

## Work in progress
* [PG] LinBox issue[159](https://github.com/linbox-team/linbox/issues/159): new blas-subvector
* [BG,RL] LinBox issue[140](https://github.com/linbox-team/linbox/issues/140): FFT with Modular<double,double>
* [BG,RL] LinBox issue[131](https://github.com/linbox-team/linbox/issues/131): improve FFT performance
* [PG, JGD] Solve error, Lifting, Linbox issue [105](https://github.com/linbox-team/linbox/issues/105)
* [AB] CRA MPI clean up
* [AB] Hadamard as a solution
* [DL] Autodetection of ReadMatrix input file format issue [194](https://github.com/linbox-team/fflas-ffpack/issues/194)

## Needs Review
* LinBox PR [134](https://github.com/linbox-team/linbox/pull/134): Blas SubMatrix new design [RV=AB,PG,CP]
* Clean up Smith Valence code, add paladin parallelization, issue [150](https://github.com/linbox-team/linbox/issues/150). Done, see [PR 157](https://github.com/linbox-team/linbox/pull/157) [AU=JGD,RV=?]

## Done
* [CP] closed LinBox issue [124](https://github.com/linbox-team/linbox/issues/124) which had been fixed earlier in [PR#127](https://github.com/linbox-team/linbox/issues/127)
* [CP] merged fflas-ffpack PR [#185](https://github.com/linbox-team/linbox/issues/185) fixing [#182](https://github.com/linbox-team/linbox/issues/182) : undefined functions when no SIMD available.
* [AU=CP, RV=JG] LinBox PR [151](https://github.com/linbox-team/linbox/issues/151): change unsigned long to size_t: LinBox issues [#144](https://github.com/linbox-team/linbox/issues/144) and [#138](https://github.com/linbox-team/linbox/issues/138)
* [AU=JGD,RV=CP] Givaro PR [82](https://github.com/linbox-team/givaro/pull/82): solves Givaro issue [81](https://github.com/linbox-team/givaro/issues/81) : throw zero division
* [DL] merged Linbox PR [#146] (https://github.com/linbox-team/linbox/pull/146) : remove Sagemath bindings
* [AU=AB, RV=DL] LinBox PR [83](https://github.com/linbox-team/givaro/pull/83)
* [AU=JGD,RV=JGD] LinBox PR [141](https://github.com/linbox-team/linbox/issues/141): Smith form bug correction
* [AU=CP,RV=AB] FFLAS-FFPACK PR [192](https://github.com/linbox-team/fflas-ffpack/pull/192): no modbalanced in GF2
* [AU=DL, RV=AB] Linbox PR [155](https://github.com/linbox-team/linbox/pull/155): Clean functions isOdd, isEven, isNegative, isPositive
* [AU=DL, RV=AB,CP] FFLAS-FFPACK PR [191](https://github.com/linbox-team/fflas-ffpack/pull/191): display L and U as separate matrices in PLUQ example output
* [AU=NB,RV=CP]Populate FFLAS-FFPACK with examples, issue [PR 193](https://github.com/linbox-team/fflas-ffpack/pull/193) review in progress
* Replace `F.init(a,b);` by `F.init(a); F.assign(a, b);` [PR 189](https://github.com/linbox-team/fflas-ffpack/pull/189) [AU=NB,RV=AB,CP]
* [CP] restart and update Inria CI build grid with gcc-8