/**
* @file BHMath.h
*
* This contains some often used mathematical definitions and functions.
*
* @author Alexis Tsogias
*/
#pragma once
/**
* Calculates the square of a value.
* @param a The value.
* @return The square of \c a.
*/
template
constexpr V sqr(const V& a) { return a * a; }