------- Comment #2 from burnus at gcc dot gnu dot org 2007-08-03 20:25 ------- > 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. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32979
