[Bug c/114181] issubnormal is a macro

Fri Mar 1 01:04:08 GMT 2024

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114181

g.peterhoff@t-online.de changed:

           What    |Removed                     |Added
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         Resolution|MOVED                       |FIXED

--- Comment #5 from g.peterhoff@t-online.de ---
> If you are implementing a cmath for a C++ implementation, you need to a similar thing and `#undef` it.
> The math.h that defines issubnormal comes from glibc.

That's what I mean. See also e.g.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77925
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77926