From owner-cvs-all  Wed Dec 23 05:40:58 1998
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Date: Wed, 23 Dec 1998 13:41:13 +0000 (GMT)
From: Doug Rabson <dfr@nlsystems.com>
To: Bruce Evans <bde@zeta.org.au>
cc: cvs-all@FreeBSD.ORG, cvs-committers@FreeBSD.ORG, dfr@FreeBSD.ORG
Subject: Re: cvs commit: src/sys/alpha/alpha machdep.c sys_machdep.c
 src/sys/alpha/include alpha_cpu.h fpu.h ieeefp.h sysarch.h
 src/lib/libc/alpha SYS.h src/lib/libc/alpha/gen Makefile.inc fpgetmask.c
 fpgetround.c fpgetsticky.c fpsetmask.c fpsetround.c ...
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On Thu, 24 Dec 1998, Bruce Evans wrote:

> >  Log:
> >  Implement fpsetmask() and other fp*() functions.  Programs should use
> >  
> >  	#include <ieeefp.h>
> >  
> >  to access these functions instead of the i386 specific
> >  
> >  	#include <machine/floatingpoint.h>
> 
> Applications should use the documented interface, which is
> 
> 	#include <floatingpoint.h>
> 
> We seem to have obtained this interface from Sun.  AltaVista finds many
> hits on <floatingpoint.h> in SunOS and Solaris man pages, e.g.,
> 
> 	http://www.sees.bangor.ac.uk/~bill/man/intro3.html
> 
> It goes with <sys/ieeefp.h>, which we don't have (we had it in
> FreeBSD.1.x, but I moved it to <machine/ieeefp.h> because it was
> i386-specific :-).
> 
> This interface should be superseded by the C9x <fenv.h> interface.

I was following the NetBSD naming.  If there is a standard interface to
use this then then we should follow it and maybe deprecate
ieeefp.h/floatingpoint.h or

--
Doug Rabson				Mail:  dfr@nlsystems.com
Nonlinear Systems Ltd.			Phone: +44 181 442 9037




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