Re: CVS commit: src/tests/lib/libm

[Jukka Ruohonen <jruohonen%iki.fi@localhost>]

On Fri, Sep 16, 2011 at 09:02:37AM +0000, Martin Husemann wrote:
> I am not sure if this is correct here. While some tests rely on NAN and
> similar IEEE 754 specific properties of the underlying floating point
> format should not be build (or skipped) on vax, this test case does not
> have any reason not to build on vax (AFAICT).
> 
> At least this should be documented (PR, or src/doc/HACKS) and probably
> tanf() for VAX added (should not be that hard).

Is there any consistent way to know which functions are available on VAX? 
Or even more generally, any consistent way to know which libm(3) functions
are available on which architectures?  (That is, there are ugly hacks like
"#ifdef i386 || sparc || amd64" too.)

- Jukka.