Floating Point-The Results Are In!

Alan Bain afrb2 at hermes.cam.ac.uk
Thu May 7 18:55:29 AEST 1998

On Thu, 7 May 1998, Greg Lehey wrote:

> On Wed,  6 May 1998 at 20:45:41 -0400, Ed G. wrote:
> > Using a new approach, I have re-counted the number of floating point
> > operations for the utilities contained in Unix's bin directory.
> > According to my results, many important 7th Edition programs such as
> > adb, awk and tar make heavy use of floating point on the PDP-11.
> I'll believe this when you pinpoint the instructions.
According to my paper copy of the UV7 manual, it is possible to run V7 on
a machine with no floating point, and the main problem is when compiling
say numeric code.  There's a short section on how to do a build if you
don't have fp (like me on my 11/34).   I think the V7 manual may well be
on line; but if not I can do a Xerox of this if it would be useful,

Alan Bain

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