On 2018-01-26 15:13:53 +0100, Vincent Lefevre wrote: > It may be a bug in MPFR 4.
This was due to a bug in mpfr_div_ui, fixed in MPFR 4.0.1-rc2. -- Vincent Lefèvre <vinc...@vinc17.net> - Web: <https://www.vinc17.net/> 100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/> Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)