On 2014-01-07 16:45:49 +0000, Joseph S. Myers wrote: > Sure, such a correctly rounded function is useful just like correctly > rounded versions of other functions. The proposed C bindings reserve cr* > names *only* for the specific functions listed in 9.2 where IEEE 754 > recommends correctly rounded functions, not for other existing ISO C > functions (e.g. erf, tgamma) or functions added by the C bindings by > analogy with other IEEE 754 functions (e.g. tanpi), but I think correctly > rounded versions of other functions (with the same naming convention) > could reasonably be added to glibc if anyone wishes to implement them.
New CR functions may be added in future revisions of IEEE 754, so that I think that cr* names should be reserved for all functions. -- Vincent Lefèvre <vinc...@vinc17.net> - Web: <http://www.vinc17.net/> 100% accessible validated (X)HTML - Blog: <http://www.vinc17.net/blog/> Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
