title: Working of sqrt() and pow() functions of math.h in C
body: <p><code>sqrt()</code> and <code>pow()</code> functions of <code>math.h</code> library in <code>C</code> are not defined for <code>integer</code> types but they don't <em>throw</em> any <em>error</em> but works fine for <code>integer</code> arguments, how does this work?</p>