From owner-freebsd-chat  Wed Oct 21 19:00:55 1998
Return-Path: <owner-freebsd-chat@FreeBSD.ORG>
Received: (from majordom@localhost)
          by hub.freebsd.org (8.8.8/8.8.8) id TAA12078
          for freebsd-chat-outgoing; Wed, 21 Oct 1998 19:00:55 -0700 (PDT)
          (envelope-from owner-freebsd-chat@FreeBSD.ORG)
Received: from godzilla.zeta.org.au (godzilla.zeta.org.au [203.15.68.22])
          by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id TAA12037;
          Wed, 21 Oct 1998 19:00:45 -0700 (PDT)
          (envelope-from bde@godzilla.zeta.org.au)
Received: (from bde@localhost)
	by godzilla.zeta.org.au (8.8.7/8.8.7) id MAA04831;
	Thu, 22 Oct 1998 12:00:12 +1000
Date: Thu, 22 Oct 1998 12:00:12 +1000
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199810220200.MAA04831@godzilla.zeta.org.au>
To: bde@zeta.org.au, mike@smith.net.au
Subject: Re: Bug in rintf()?...
Cc: bde@FreeBSD.ORG, freebsd-chat@FreeBSD.ORG, jobaldwi@vt.edu
Sender: owner-freebsd-chat@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.org

>> >>  rintf(3.5) returns 4.0
>> >>  rintf(3910.5) returns 3910.0  (should return 3911.0)
>> 
>> This seems to be correct.  rintf() rounds to the nearest integer according
>> to the prevailing rounding mode.  The default prevailing rounding mode
>> is round-to-even.  rintf() even seems to get this right for all the
>> other rounding modes (towards +Inf, towards -Inf and towards 0).
>
>Where do you set the rounding mode?  The only reference I could find 
>was fpsetround(), which offers nearest, -inf, +inf and truncate.  

One way is sufficent.

>math(3) lists 3 types for ieee754 (+inf, -inf and 0).

Also the standard type (round to even).

Bruce

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-chat" in the body of the message