logistic_grass.h

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// SPDX-FileCopyrightText: 2020 W. Traylor <wolfgang.traylor@senckenberg.de>
//
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#ifndef FAUNA_DEMO_LOGISTIC_GRASS_H
#define FAUNA_DEMO_LOGISTIC_GRASS_H
#include <string>
#include <vector>
#include "megafauna.h"
 
namespace Fauna {
namespace Demo {
 
 
class LogisticGrass {
 public:
 
  struct Parameters {
 
    std::vector<double> decay_monthly = {0.0};
 
 
    std::vector<double> digestibility = {0.5};
 
    double fpc = 0.1;
 
 
    std::vector<double> growth_monthly = {0.0};
 
 
    double init_mass = 0.0;
 
 
    double reserve = 0.1;
 
 
    double saturation = 1.0;
 
 
    bool is_valid(std::string& msg) const;
  };
 
 
  LogisticGrass(const LogisticGrass::Parameters& settings);
 
 
  void grow_daily(const int day_of_year);
 
  const GrassForage& get_forage() const { return forage; }
 
  void set_forage(const GrassForage& f) { forage = f; }
 
 private:
 
  GrassForage forage;
 
  LogisticGrass::Parameters settings;
 
 
  int simulation_month;
};
 
}  // namespace Demo
}  // namespace Fauna
 
#endif  // FAUNA_DEMO_LOGISTIC_GRASS_H