selectivity_base.hpp

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#ifndef POPULATION_DYNAMICS_SELECTIVITY_BASE_HPP
#define POPULATION_DYNAMICS_SELECTIVITY_BASE_HPP
 
#include "common/model_object.hpp"
 
namespace fims_popdy {

 
template <typename Type>
struct SelectivityBase : public fims_model_object::FIMSObject<Type> {
  // id_g is the ID of the instance of the SelectivityBase class.
  // this is like a memory tracker.
  // Assigning each one its own ID is a way to keep track of
  // all the instances of the SelectivityBase class.
  static uint32_t
      id_g; 

  SelectivityBase() {
    // increment id of the singleton selectivity class
    this->id = SelectivityBase::id_g++;
    this->register_self(this->id);
  }
 
  virtual ~SelectivityBase() {}

  virtual const Type evaluate(const Type& x) = 0;

  virtual const Type evaluate(const Type& x, size_t pos) = 0;
};
 
// default id of the singleton selectivity class
template <typename Type>
uint32_t SelectivityBase<Type>::id_g = 0;
 
}  // namespace fims_popdy
 
#endif /* POPULATION_DYNAMICS_SELECTIVITY_BASE_HPP */