Re: libm update plans?

[Erik Wikström <erik-wikstrom@xxxxxxxxx>]

On 2007-05-07 16:45, Matthew Dillon wrote:
> :3) port over myself (see #1, #2 :)
> :
> :Thanks,
> :
> :- Chris
>
>     Hmmm.
>
>     I looked for various pieces of example code.  FreeBSD has a really
>     old implementation in (libmsun) which is not suitable, and NetBSD uses
>     the same implementation.  Gnu seems to have a clean 4-line implementation
>     done in 2005:
>
>     http://gcc.gnu.org/ml/fortran/2005-05/msg00227.html
>
>     But I'd like to find an unadulterated version if possible (though
>     presumably it is simple enough that it pretty much has to be done
>     that way regardless). 
>
>     I'm a little concerned that there are so few implementations around.
>     Are you sure this is part of C99?

Yes it it, section 7.12.9.8: "The trunc functions round their argument 
to the integer value, in floating format, nearest to but no larger in 
magnitude than the argument."

I've never been an assembly programmer but it seems to me like there 
should be some instruction for this kind of thing.

--
Erik Wikström