life_table.h

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#pragma once
#include "HealthGPS.Core/interval.h"
#include "gender_value.h"
 
#include <map>
 
namespace hgps {
 
using Mortality = GenderValue<float>;
 
struct Birth {
 
    Birth(float number_of_births, float birth_sex_ratio)
        : number{number_of_births}, sex_ratio{birth_sex_ratio} {}
 
    float number{};
 
    float sex_ratio{};
};
 
class LifeTable {
  public:
    LifeTable() = delete;
    LifeTable(std::map<int, Birth> &&births, std::map<int, std::map<int, Mortality>> &&deaths);
 
    const Birth &get_births_at(int time_year) const;
 
    const std::map<int, Mortality> &get_mortalities_at(int time_year) const;
 
    double get_total_deaths_at(int time_year) const;
 
    bool contains_age(int age) const noexcept;
 
    bool contains_time(int time_year) const noexcept;
 
    const core::IntegerInterval &time_limits() const noexcept;
 
    const core::IntegerInterval &age_limits() const noexcept;
 
    bool empty() const noexcept;
 
  private:
    std::map<int, Birth> birth_table_;
    std::map<int, std::map<int, Mortality>> death_table_;
 
    // Data limits cache
    core::IntegerInterval time_range_{};
    core::IntegerInterval age_range_{};
};
} // namespace hgps