/*
    This file is part of TON Blockchain Library.

    TON Blockchain Library is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 2 of the License, or
    (at your option) any later version.

    TON Blockchain Library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with TON Blockchain Library.  If not, see <http://www.gnu.org/licenses/>.

    Copyright 2017-2020 Telegram Systems LLP
*/

#pragma once
#include <vector>

namespace ton {
namespace rldp2 {
struct LossSender {
  LossSender(double loss, double p);
  int send_n(int n);

  int send_n_exact(int n);
  int send_n_approx_norm(int n);
  int send_n_approx_nbd(int n);
  int send_n_approx_pd(int n);

  bool has_good_approx();

 private:
  double loss_;
  double p_;
  double S_;
  double sigma_;
  int n_{0};
  std::vector<double> v_;
  std::vector<int> res_;
  int res_i_{0};

  void step();
};

}  // namespace rldp2
}  // namespace ton