[PATCH 2/5] add base fenv.h and default sys/fenv.h

[Patrick Mansfield]

On Wed, Feb 14, 2007 at 12:26:09PM +0900, Kazunori Asayama wrote:
> Patrick Mansfield <patmans@us.ibm.com> wrote:
> > > BTW, I don't know how the fenv functions should behave in
> > > multi-threading environment, i.e., should the fenv functions affect
> > > only the current thread ? If so, I suppose that fenv status should be
> > > managed by using _reent structure and that reentrant versions of fenv
> > > functions should be also declared in fenv.h...
> > 
> > No, since we don't have threading. Right? 
> 
> Right, but the basic fenv infrastructure, including fenv.h, will be
> shared between all target platforms. Don't we need to take care about
> other platforms ?

I think that should be added if or when required, even so I don't think
the reentrant structures/functions are needed on most platforms since the
state is in the hardware.

-- Patrick Mansfield