Gnu C Math Libraries

[Lennart Sorensen]

On Sun, Nov 28, 2010 at 11:01:48AM -0500, Howard Gibson wrote:
> On Sat, 27 Nov 2010 13:15:10 -0500
> ted leslie <ted.leslie-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org> wrote:
> 
> > just looked it up
> > to include standard math library
> > 
> > -lm
> 
> Ted,
> 
>    Thank you.  That worked.
> 
>    It also works for linking, as long as it is at the end of the command line.

As the man page for floor says:

       #include <math.h>

       double floor(double x);
       float floorf(float x);
       long double floorl(long double x);

       Link with -lm.

That last line was important. :)

-- 
Len Sorensen
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