message: Add some missing documentation.
diff: @@ -86,6 +86,10 @@ public:
  struct Factory : public Criterion::Factory {
  using t = volatile bool &;
  + /**
  + * Instantiates a IveLostPatience stopping criterion Factory
  + * @param v user controlled boolean deciding convergence
  + */
  explicit Factory(t v) : v_{v} {}
  static std::unique_ptr<Factory> create(t v)
  @@ -100,6 +104,10 @@ public:
  t v_;
  };
  + /**
  + * Instantiates a IveLostPatience stopping criterion
  + * @param is_user_bored user controlled boolean deciding convergence
  + */
  explicit IveLostPatience(volatile bool &is_user_bored)
  : is_user_bored_{is_user_bored}
  {
  