forage_base.h

Go to the documentation of this file.

// SPDX-FileCopyrightText: 2020 W. Traylor <wolfgang.traylor@senckenberg.de>
//
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#ifndef FAUNA_FORAGE_BASE_H
#define FAUNA_FORAGE_BASE_H
 
#include <stdexcept>
 
namespace Fauna {
 
class ForageBase {
 private:
  double digestibility, dry_matter_mass, nitrogen_mass;
 
 public:
  ForageBase() : digestibility(0.0), dry_matter_mass(0.0), nitrogen_mass(0.0) {}
 
 
  double get_digestibility() const { return digestibility; }
 
  double get_mass() const { return dry_matter_mass; }
 
  double get_nitrogen_mass() const { return nitrogen_mass; }
 
  void set_digestibility(const double d) {
    if (d < 0.0 || d > 1.0)
      throw std::invalid_argument(
          "Fauna::ForageBase::set_digestibility(): "
          "Digestibility out of range.");
    digestibility = d;
  }
 
  void set_mass(const double dm);
 
  void set_nitrogen_mass(const double n_mass);
 
 protected:
 
  ForageBase& merge_base(const ForageBase& other, const double this_weight,
                         const double other_weight);
};
}  // namespace Fauna
#endif  // FAUNA_FORAGE_BASE_H