[comp.unix.wizards] Incorrect arithmetic: more info

jwp@uwmacc.UUCP (Jeffrey W Percival) (06/02/87)

A followup to my posting about the flakey arithmetic:
I just ran the program on a MicroVAX running Ultrix,
and the subtraction was performed correctly.  So the status is:

MicroVAX/4.3BSD: bad
MicroVAX/Ultrix: good
VAX 780: good

Could it be the C compiler?
-- 
	Jeff Percival (jwp@salvax1)

parmelee@cornell.UUCP (06/02/87)

( Article from Jeff Percival (jwp@salvax1) about incorrect  )
( floating point results on a Microvax running 4.3 BSD UNIX )

Our microvaxes do not have the problem;  they run 4.3BSD unix.
There were some bugs in the emulation code in the original 4.3
release, and a patch was posted a while back to fix the problem.
I suspect you need to get a hold of that patch and apply it.

I can send a copy of the patch to people needing it.

-Larry Parmelee
parmelee@wayback.cs.cornell.edu
parmelee@cornell.uucp
parmelee@crnlcs.bitnet

markg@amd.UUCP (06/03/87)

In article <7383@cornell.UUCP> parmelee@cornell.UUCP (Larry Parmelee) writes:
-( Article from Jeff Percival (jwp@salvax1) about incorrect  )
-( floating point results on a Microvax running 4.3 BSD UNIX )
-
-I suspect you need to get a hold of that patch and apply it.
-
-I can send a copy of the patch to people needing it.
-
--Larry Parmelee
-parmelee@wayback.cs.cornell.edu
-parmelee@cornell.uucp
-parmelee@crnlcs.bitnet

PLEASE, can you send me a copy of the patch via email?  Thank you!

-- 
 Mark Gorlinsky - AMD Processor Products Division/APPS SQA
 UUCP: {decwrl,ihnp4,allegra}!amd!markg
 AT&T: (408) 982-7811
 DISCLAIMER: My opinions are mine, not my employers.