logistic.hpp

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#ifndef POPULATION_DYNAMICS_SELECTIVITY_LOGISTIC_HPP
#define POPULATION_DYNAMICS_SELECTIVITY_LOGISTIC_HPP
 
#include "common/fims_math.hpp"
#include "common/fims_vector.hpp"
#include "selectivity_base.hpp"
 
namespace fims_popdy {
 
template <typename Type>
struct LogisticSelectivity : public SelectivityBase<Type> {
  fims::Vector<Type>
      inflection_point;     
  fims::Vector<Type> slope; 
  LogisticSelectivity() : SelectivityBase<Type>() {}
 
  virtual ~LogisticSelectivity() {}
 
  virtual const Type evaluate(const Type &x) {
    return fims_math::logistic<Type>(inflection_point[0], slope[0], x);
  }
 
  virtual const Type evaluate(const Type &x, size_t pos) {
    return fims_math::logistic<Type>(inflection_point.get_force_scalar(pos),
                                     slope.get_force_scalar(pos), x);
  }
};
 
}  // namespace fims_popdy
 
#endif /* POPULATION_DYNAMICS_SELECTIVITY_LOGISTIC_HPP */