Function abs

utils/cpp_utils/include/vec3.h:392–394

    template<class T>
    inline vec3<T> abs(const vec3<T> &p) {
        return vec3<T>(std::abs(p.x), std::abs(p.y), std::abs(p.z));
    }

    template<class T>
    inline vec3<T> square(const vec3<T> &v) {