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floating point numbers in Lucid Lisp on the Apollo
- To: jpg@ALLEGHENY.SCRC.Symbolics.COM
- Subject: floating point numbers in Lucid Lisp on the Apollo
- From: Jeffrey Del Papa <dp@JASPER.Palladian.COM>
- Date: Mon, 28 Sep 87 13:24 EDT
- Cc: email@example.com
- In-reply-to: <870926195737.9.JPG@SPOONBILL.SCRC.Symbolics.COM>
- Reply-to: Jeffrey Del Papa <DP%JASPER@LIVE-OAK.LCS.MIT.EDU>
Date: Sat, 26 Sep 87 19:57 EDT
From: Jeffrey P. Golden <jpg@ALLEGHENY.SCRC.Symbolics.COM>
The DOMAIN/CommonLISP Reference Manual p.12-6 says:
"Common Lisp designates four floating-point number formats:
short-float, single-float, double-float, and long-float. ...
DOMAIN/CommonLISP represents all four types of floating-point
numbers in the single-float format." I had previously
discovered this for myself.
I expect some Apollo machines have double-floats. True?
So, I guess this just means that Lucid has decided not to give
its users access to Apollo double-floats at this time?
Can anyone clarify this?
Lucid only wants to support one floating point format. I am told that a future apollo
version will support double floats, at which time it will cease to support single