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From: "Crist J. Clark" <cjc@cc942873-a.ewndsr1.nj.home.com>
Message-Id: <199902070050.TAA27981@cc942873-a.ewndsr1.nj.home.com>
Subject: Re: math.h ?
In-Reply-To: <XFMail.990207113238.keith@apcs.com.au> from Keith Anderson at "Feb 7, 99 11:32:38 am"
To: keith@apcs.com.au
Date: Sat, 6 Feb 1999 19:50:35 -0500 (EST)
Cc: questions@FreeBSD.ORG
Reply-To: cjclark@home.com
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Keith Anderson wrote,
> HI All,
> 
> Below I have a very simple 'c' program but I can't make it work !! What am I
> doing wrong, it will not compile?
> 
> Any help would be great 
> 
> Thanks 
> 
> Keith
> 
> <snip test.c>
> #include <math.h>
> 
> main ()
> {
> double x = 64;
> double ans;
> ans = sqrt(x);
> 
> printf("ans = %lf\n",ans);
> 
> }
> 
> </snip test.c>
> 
> keith@wis~>cc test.c
> /var/tmp/ccV145121.o: Undefined symbol `_sqrt' referenced from text segment

Type,

% cc -lm test.c -o test

This includes the math libraries. It is standard accross most UNICies.
-- 
Crist J. Clark                           cjclark@home.com

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