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From: boyne@hplvli.HP.COM (Art Boyne)
Newsgroups: comp.lang.c
Subject: Re: Fortran computes cosine 300 times faster than C (on Sun3)
Message-ID: <340010@hplvli.HP.COM>
Date: 9 Mar 89 15:35:11 GMT
References: <765@uceng.UC.EDU>
Organization: Loveland Inst. Div
Lines: 10

chris@mimsy.UUCP (Chris Torek) writes:

>the Fortran compiler can be certain that COS(2.5) does nothing but
>compute cosines, and can change the code to
>
>	TMP = 4.0 * COS(2.5)
              ^^^^^^^^^^^^^^ make that COS(2.5)**4
>10	CONTINUE

Art Boyne, boyne@hplvla.hp.com