[ale] Missing "floor"?

[Ed Cashin]

Maybe link the math library?  A quick check suggests that's it.

[ecashin at marino ~]$ man floor | grep Link
       Link with -lm.
[ecashin at marino ~]$

On Wed, Jun 19, 2013 at 10:18 AM, leam hall <leamhall at gmail.com> wrote:

> Not sure why I'm getting:
>
> gcc -Wall -Werror -o rand rand.c
> /tmp/ccAJ7e8S.o: In function `main':
> rand.c:(.text+0x16): undefined reference to `floor'
> collect2: ld returned 1 exit status
>
> ###
> rand.c
> ###
>
> #include <stdio.h>
> #include <unistd.h>
> #include <stdlib.h>
> #include <math.h>
>
> int main(void) {
>
>     int num;
>     float val = 2.3;
>     num = floor(val);
>     printf("num is %d.\n", num);
>
>     return 0;
> }
>
> --
> Mind on a Mission <http://leamhall.blogspot.com/>
>
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-- 
  Ed Cashin <ecashin at noserose.net>
  http://noserose.net/e/
  http://www.coraid.com/
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