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[aclug-L] Re: New C question

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To: discussion@xxxxxxxxx
Subject: [aclug-L] Re: New C question
From: Brian Chapman <tchapman@xxxxxxxxxxxxx>
Date: Fri, 17 Mar 2000 22:58:55 -0600
Reply-to: discussion@xxxxxxxxx 
At 3/17/00 11:40 PM , Larry Bottorff wrote:
> Let's say I need to know what power of 2 a number is. Mathematically,
> that's just log2(number), right? There doesn't seem to be a log2 in C,
> right? How can I fake one?

i belive log2() is part of the math library. try #include <math.h>.
...and don't forget to use '-lm' when linking. :-)

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