Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!ncar!ames!sgi!jmb@patton.SGI.COM
From: jmb@patton.SGI.COM (Jim Barton)
Newsgroups: comp.sys.sgi
Subject: Re: Answer to McCalpins f77 inquiry
Summary: On IEEE arithmetic ...
Message-ID: <21336@sgi.SGI.COM>
Date: 30 Oct 88 22:37:56 GMT
References: <8810241244.AA00394@aero4.larc.nasa.gov> <21035@sgi.SGI.COM>
Sender: daemon@sgi.SGI.COM
Organization: Silicon Graphics, Inc., Mountain View, CA
Lines: 24

In article <21035@sgi.SGI.COM>, calvin@dinkum.SGI.COM (Calvin H. Vu) writes:
  ...

> << 5. Does the MIPS compiler actually support CORRECT IEEE arithmetic?
> << 	(including rounding, sufficient guard bits, and robust
> << 	intrinsics)  
> 
> 	Sorry I don't have the answer for this.  As far as I know, we pass
> 	all the official QA tests, including GSA, ANSYS, SDRC, and the NAG
> 	floating point verification suite.   We just implemented floating-point 
> 	trap handling in response to the only request regarding floating-
> 	point operations we received from our customers.   
  ...

All 4D series machines pass the PARANOIA test without errors.
I ran it myself.

-- Jim Barton
Silicon Graphics Computing Systems    "UNIX: Live Free Or Die!"
jmb@sgi.sgi.com, sgi!jmb@decwrl.dec.com, ...{decwrl,sun}!sgi!jmb

  "I used to be disgusted, now I'm just amused."
			- Elvis Costello, 'Red Shoes'
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