[Click] abs & log in click

[Eddie Kohler]

> I want to project a new element click which uses functions that make the absolute value and the natural logarithm of a float number. What's the way in click? Have I to add some library to do it?
> Thanks
> Lorena

No, just use the <cmath> functions (#include <cmath> ; log() and fabs()).
Note that you will not be able to use these functions in the kernel. In
fact, you cannot use floating point arithmetic in the kernel at all.

Eddie