Function sqrt

utils/cpp_utils/include/vec3.h:402–404

    template<class T>
    inline vec3<T> sqrt(const vec3<T> &v) {
        return vec3<T>(sqrt(v.x), sqrt(v.y), sqrt(v.z));
    }

    template<class T>
    inline vec3<T> pow(const vec3<T> &v, T e) {