#pragma once
#include <float.h>
#include "vw.h"

extern bool  is_more_than_two_labels_observed;
extern float first_observed_label;
extern float second_observed_label;

inline void count_label(float l)
{ if (is_more_than_two_labels_observed || l == FLT_MAX) return;

  if (first_observed_label != FLT_MAX)
  {

    if (first_observed_label != l)
    { if (second_observed_label != FLT_MAX)
      { if (second_observed_label != l)
          is_more_than_two_labels_observed = true;

      }
      else second_observed_label = l;
    }

  }
  else first_observed_label = l;

}

bool get_best_constant(vw& all, float& best_constant, float& best_constant_loss);
