title: #include <cmath> vs #include <math.h> in a C++ program
body: <p>What are the considerations for including the former rather than the latter in a C++ program? I always include <code>math.h</code>, <code>stdlib.h</code> and never <code>cmath</code>, <code>cstdlib</code> etc. I don't understand the reason the latter even exist, could someone please enlighten me?</p>