fix sign when result is zero in different rounding modes
expm1f, logf, log10f, and exp2 functions are affected in the request
[A venir] Mise en place de quotas sur nos instances GitLab. Plus d'information sur : https://doc-si.inria.fr/pages/viewpage.action?pageId=129728565
[Coming soon] Quotas installation on our GitLab instances. More information: https://doc-si.inria.fr/pages/viewpage.action?pageId=129728565
expm1f, logf, log10f, and exp2 functions are affected in the request