Path: utzoo!attcan!uunet!elroy.jpl.nasa.gov!swrinde!zaphod.mps.ohio-state.edu!rpi!uupsi!grebyn!ckp
From: ckp@grebyn.com (Checkpoint Technologies)
Newsgroups: comp.lang.c
Subject: Re: Heroic constant folding (was micro-optimizing
Message-ID: <1991Mar2.171737.9308@grebyn.com>
Date: 2 Mar 91 17:17:37 GMT
References: <10450@dog.ee.lbl.gov> <1991Mar2.010049.21044@grebyn.com> <992@caslon.cs.arizona.edu>
Organization: Grebyn Timesharing
Lines: 22

In article <992@caslon.cs.arizona.edu> dave@cs.arizona.edu (Dave P. Schaumann) writes:
>In article <1991Mar2.010049.21044@grebyn.com> ckp@grebyn.com (Checkpoint Technologies) writes:
>|int fib_array[1024] = {1, 1, 2, 3, 5, 8, 13, 21, /* you get the idea */
>
>Do you have any idea what the value of fib_array[1024] is??!!!!!
>You're asking more than just "a LOT" from the compiler...
>
>A quick calculation reveals fib_array[1024] is approximately 2.7 E 213.
>You'd need a seriously capacious int type to hold that...

oops (red face)

You do have a good point there. Make that fib_array[16].

(.. and I won't even mention that fib_array[1024] is one beyond the
end...)

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