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From: corbett@beatnix.UUCP (Bob Corbett)
Newsgroups: comp.lang.c
Subject: Re: fortran to C converter
Message-ID: <2615@elxsi.UUCP>
Date: 27 Apr 89 03:10:55 GMT
References: <10176@socslgw.csl.sony.JUNET> <12247@lanl.gov> <1989Apr24.172747.993@utzoo.uucp> <8050@boring.cwi.nl>
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Reply-To: uunet!elxsi!corbett (Bob Corbett)
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In article <8050@boring.cwi.nl> dik@cwi.nl (Dik T. Winter) writes:
->In article <1989Apr24.172747.993@utzoo.uucp> henry@utzoo.uucp (Henry Spencer) writes:
-> > In article <12247@lanl.gov> jlg@lanl.gov (Jim Giles) writes:
-> > >On the Cray, doubles have 28 digits of precision, but it takes 50 (that's
-> > >right - FIFTY) time as long to compute with doubles as with singles.  That
-> > >doesn't even include the fact that doubles don't vectorize!  Single precision
-> > >carries 14 digits of precision and is adequate for most computation.
-> > 
-> > Given the pervasive nature of double in C code, sounds like Cray made a bad
-> > decision (or an interim one).
->
->Given that Cray's choice predates C, this sounds a bit strange.  Considering
->K&R and Ansi C, I would say that K&R made a bad decision (and clearly an
->interim one).
->-- 
->dik t. winter, cwi, amsterdam, nederland
->INTERNET   : dik@cwi.nl
->BITNET/EARN: dik@mcvax

C was designed in 1972.  The earliest shipment of a Cray-1 that I have been able
to verify occurred in 1976.  In 1972, Cray (the man, not the company) was
designing the CDC 8600.

					       Faithfully yours,
					       Robert Paul Corbett