------- Comment #3 from sgk at troutmask dot apl dot washington dot edu 2007-08-03 20:33 ------- Subject: Re: Implement vendor-specific ISNAN() intrinsic function
On Fri, Aug 03, 2007 at 08:25:08PM -0000, burnus at gcc dot gnu dot org wrote: > > > If we're going to implement isnan, then we should implement all of the > > FP classification functions (isfinite, isinf, isnan, isnormal, and maybe > > fpclassify). > > I'm not sure if this is needed. For instance, isnan() is implemented > by g95 and ifort, but the other intrinsics are not. Note that using > Fortran 2003's IEEE_* modules, the functionality will be available > albeit under a different name. > I then believe that we do not need isnan. A person can use either IEEE_* when it becomes available or bind(c). I don't see why isnan is special in comparison to isinf. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32979
