On 03/03/2010 10:50 AM, kstueve wrote:
> #include <stdio.h>
> #include <math.h>

What happens if you insert

#include <stdlib.h>

here?

Compiling with extra warning flags *may* help:

$ gcc -o fastli fastli.c -lm -O2 -W -Wall
fastli.c: In function ‘main’:
fastli.c:29: warning: implicit declaration of function ‘atof’
fastli.c:30: warning: implicit declaration of function ‘atol’
fastli.c:27: warning: unused parameter ‘argc’
fastli.c: In function ‘li’:
fastli.c:77: warning: ‘return’ with no value, in function returning non-void
fastli.c:72: warning: unused variable ‘lastnorm’

$ man atof

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