Feature/lange
- Fix issue in lange by introducing new algorithm closer to what is done in dplasma
- Factorize code for lange/lantr on one side and lanhe/lansy on the other
Prochaines maintenances programmées: lundi 06/05, lundi 03/06, lundi 01/07
Pour plus d'informations: https://doc-si.inria.fr/display/SU/Gitlab