Affiliation: | 1.Non-A Project, Inria Lille - Nord Europe, 40 Avenue Halley, Bat. A, Park Plaza, 59650, Villeneuve d’Ascq, France ;2.Ouragan Project, Inria Paris, Institut de Mathématiques de Jussieu-Paris Rive Gauche, UPMC, 4 Place Jussieu, 75005, Paris, France ; |