rcpp_models.hpp

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#ifndef FIMS_INTERFACE_RCPP_RCPP_OBJECTS_RCPP_MODELS_HPP
#define FIMS_INTERFACE_RCPP_RCPP_OBJECTS_RCPP_MODELS_HPP
 
#include <set>
#include "common/def.hpp"
#include "rcpp_interface_base.hpp"
#include "../../../models/fisheries_models.hpp"
#include "common/model.hpp"
#include "../../../utilities/fims_json.hpp"
#include "rcpp_population.hpp"
#include "rcpp_fleet.hpp"
#include "rcpp_growth.hpp"
#include "rcpp_distribution.hpp"
#include "rcpp_data.hpp"
#include "rcpp_maturity.hpp"
#include "rcpp_recruitment.hpp"
#include "rcpp_selectivity.hpp"
#include <valarray>
#include <cmath>
#include <mutex>

class FisheryModelInterfaceBase : public FIMSRcppInterfaceBase {
 protected:
  std::shared_ptr<std::set<uint32_t>> population_ids;
  typedef typename std::set<uint32_t>::iterator population_id_iterator;
 
 public:
  static uint32_t id_g;
  uint32_t id;
  static std::map<uint32_t, std::shared_ptr<FisheryModelInterfaceBase>>
      live_objects;

  FisheryModelInterfaceBase() {
    this->id = FisheryModelInterfaceBase::id_g++;
    this->population_ids = std::make_shared<std::set<uint32_t>>();
    /* Create instance of map: key is id and value is pointer to
    FleetInterfaceBase */
    // FisheryModelInterfaceBase::live_objects[this->id] = this;
  }

  FisheryModelInterfaceBase(const FisheryModelInterfaceBase &other)
      : population_ids(other.population_ids), id(other.id) {}

  virtual ~FisheryModelInterfaceBase() {}

  virtual std::string to_json() {
    return "std::string to_json() not yet implemented.";
  }

  virtual uint32_t get_id() = 0;

  Rcpp::NumericVector get_fixed_parameters_vector() {
    std::shared_ptr<fims_info::Information<double>> info0 =
        fims_info::Information<double>::GetInstance();
 
    Rcpp::NumericVector p;
 
    for (size_t i = 0; i < info0->fixed_effects_parameters.size(); i++) {
      p.push_back(*info0->fixed_effects_parameters[i]);
    }
 
    return p;
  }

  Rcpp::NumericVector get_random_parameters_vector() {
    std::shared_ptr<fims_info::Information<double>> d0 =
        fims_info::Information<double>::GetInstance();
 
    Rcpp::NumericVector p;
 
    for (size_t i = 0; i < d0->random_effects_parameters.size(); i++) {
      p.push_back(*d0->random_effects_parameters[i]);
    }
 
    return p;
  }

  double sum(const std::valarray<double> &v) {
    double sum = 0.0;
    for (size_t i = 0; i < v.size(); i++) {
      sum += v[i];
    }
    return sum;
  }

  double sum(const std::vector<double> &v) {
    double sum = 0.0;
    for (size_t i = 0; i < v.size(); i++) {
      sum += v[i];
    }
    return sum;
  }

  double min(const std::valarray<double> &v) {
    double min_value = v[0];
    for (size_t i = 1; i < v.size(); i++) {
      if (v[i] < min_value) {
        min_value = v[i];
      }
    }
    return min_value;
  }

  std::valarray<double> fabs(const std::valarray<double> &v) {
    std::valarray<double> result(v.size());
    for (size_t i = 0; i < v.size(); i++) {
      result[i] = std::fabs(v[i]);
    }
    return result;
  }
};

class CatchAtAgeInterface : public FisheryModelInterfaceBase {
 public:
  CatchAtAgeInterface() : FisheryModelInterfaceBase() {
    std::shared_ptr<CatchAtAgeInterface> caa =
        std::make_shared<CatchAtAgeInterface>(*this);
    FIMSRcppInterfaceBase::fims_interface_objects.push_back(caa);
    FisheryModelInterfaceBase::live_objects[this->id] = caa;
  }

  CatchAtAgeInterface(const CatchAtAgeInterface &other)
      : FisheryModelInterfaceBase(other) {}

  void AddPopulation(uint32_t id) {
    this->population_ids->insert(id);
 
    std::map<uint32_t, std::shared_ptr<PopulationInterfaceBase>>::iterator pit;
    pit = PopulationInterfaceBase::live_objects.find(id);
    if (pit != PopulationInterfaceBase::live_objects.end()) {
      std::shared_ptr<PopulationInterfaceBase> &pop = (*pit).second;
      pop->initialize_catch_at_age.set(true);
    } else {
      FIMS_ERROR_LOG("Population with id " + fims::to_string(id) +
                     " not found.");
    }
  }

  void DoReporting(bool report) {
#ifdef TMB_MODEL
    std::shared_ptr<fims_info::Information<double>> info =
        fims_info::Information<double>::GetInstance();
    typename fims_info::Information<double>::model_map_iterator model_it;
    model_it = info->models_map.find(this->get_id());
    if (model_it != info->models_map.end()) {
      std::shared_ptr<fims_popdy::CatchAtAge<double>> model_ptr =
          std::dynamic_pointer_cast<fims_popdy::CatchAtAge<double>>(
              (*model_it).second);
      model_ptr->do_reporting = report;
    }
#endif
  }

  bool IsReporting() {
#ifdef TMB_MODEL
    std::shared_ptr<fims_info::Information<double>> info =
        fims_info::Information<double>::GetInstance();
    typename fims_info::Information<double>::model_map_iterator model_it;
    model_it = info->models_map.find(this->get_id());
    if (model_it != info->models_map.end()) {
      std::shared_ptr<fims_popdy::CatchAtAge<double>> model_ptr =
          std::dynamic_pointer_cast<fims_popdy::CatchAtAge<double>>(
              (*model_it).second);
      return model_ptr->do_reporting;
    }
    return false;
#else
    return false;
#endif
  }

  void ReportAgeToLengthConversionDerivedTensor(bool report) {
#ifdef TMB_MODEL
    std::shared_ptr<fims_info::Information<double>> info =
        fims_info::Information<double>::GetInstance();
    typename fims_info::Information<double>::model_map_iterator model_it;
    model_it = info->models_map.find(this->get_id());
    if (model_it != info->models_map.end()) {
      std::shared_ptr<fims_popdy::CatchAtAge<double>> model_ptr =
          std::dynamic_pointer_cast<fims_popdy::CatchAtAge<double>>(
              (*model_it).second);
      model_ptr->report_age_to_length_conversion_derived_tensor = report;
    }
#endif
  }

  virtual uint32_t get_id() { return this->id; }

  virtual void finalize() {}

  std::string population_to_json(PopulationInterface *population_interface) {
    std::stringstream ss;
 
    typename std::map<uint32_t,
                      std::shared_ptr<PopulationInterfaceBase>>::iterator
        pi_it;  // population interface iterator
    pi_it = PopulationInterfaceBase::live_objects.find(
        population_interface->get_id());
    if (pi_it == PopulationInterfaceBase::live_objects.end()) {
      FIMS_ERROR_LOG("Population with id " +
                     fims::to_string(population_interface->get_id()) +
                     " not found in live objects.");
      return "{}";  // Return empty JSON
    }
 
    std::shared_ptr<PopulationInterface> population_interface_ptr =
        std::dynamic_pointer_cast<PopulationInterface>((*pi_it).second);
 
    std::shared_ptr<fims_info::Information<double>> info =
        fims_info::Information<double>::GetInstance();
 
    typename fims_info::Information<double>::model_map_iterator model_it;
    model_it = info->models_map.find(this->get_id());
    std::shared_ptr<fims_popdy::CatchAtAge<double>> model_ptr =
        std::dynamic_pointer_cast<fims_popdy::CatchAtAge<double>>(
            (*model_it).second);
 
    typename fims_info::Information<double>::population_iterator pit;
 
    pit = info->populations.find(population_interface->get_id());
 
    if (pit != info->populations.end()) {
      std::shared_ptr<fims_popdy::Population<double>> &pop = (*pit).second;
      ss << "{\n";
 
      ss << " \"module_name\": \"Population\",\n";
      ss << " \"population\": \""
         << fims::JsonParser::EscapeString(population_interface->name.get())
         << "\",\n";
      ss << " \"module_id\": " << population_interface->id << ",\n";
      ss << " \"recruitment_id\": " << population_interface->recruitment_id
         << ",\n";
      ss << " \"growth_id\": " << population_interface->growth_id << ",\n";
      ss << " \"maturity_id\": " << population_interface->maturity_id << ",\n";
      // Dimensions are written as positions (age_i), so the ages are written
      // too for output to be labeled with the ages they represent. A separate
      // stream keeps the precision of derived quantities without changing how
      // the parameters below are written.
      std::stringstream age;
      age << std::fixed << std::setprecision(10);
      for (int i = 0; i < population_interface->n_ages.get(); i++) {
        if (i > 0) age << ", ";
        age << sanitize_val(population_interface->ages[i]);
      }
      ss << " \"age\": [" << age.str() << "],\n";
 
      ss << " \"parameters\": [\n";
      for (size_t i = 0; i < pop->log_M.size(); i++) {
        population_interface_ptr->log_M[i].final_value_m = pop->log_M[i];
      }
 
      ss << "{\n \"name\": \"log_M\",\n";
      ss << " \"id\":" << population_interface->log_M.id_m << ",\n";
      ss << " \"type\": \"vector\",\n";
      ss << " \"dimensionality\": {\n";
      ss << "  \"header\": [" << "\"n_years\", \"n_ages\"" << "],\n";
      ss << "  \"dimensions\": [" << population_interface->n_years.get() << ", "
         << population_interface->n_ages.get() << "]\n},\n";
      ss << " \"values\": " << population_interface->log_M << "\n\n";
      ss << "},\n";
 
      for (size_t i = 0; i < pop->log_f_multiplier.size(); i++) {
        population_interface_ptr->log_f_multiplier[i].final_value_m =
            pop->log_f_multiplier[i];
      }
 
      ss << "{\n \"name\": \"log_f_multiplier\",\n";
      ss << " \"id\":" << population_interface->log_f_multiplier.id_m << ",\n";
      ss << " \"type\": \"vector\",\n";
      ss << " \"dimensionality\": {\n";
      ss << "  \"header\": [" << "\"n_years\"" << "],\n";
      ss << "  \"dimensions\": [" << population_interface->n_years.get()
         << "]\n},\n";
      ss << " \"values\": " << population_interface->log_f_multiplier << "\n\n";
      ss << "},\n";
 
      for (size_t i = 0; i < pop->spawning_biomass_ratio.size(); i++) {
        population_interface_ptr->spawning_biomass_ratio[i].final_value_m =
            pop->spawning_biomass_ratio[i];
      }
 
      ss << "{\n \"name\": \"spawning_biomass_ratio\",\n";
      ss << " \"id\":" << population_interface->spawning_biomass_ratio.id_m
         << ",\n";
      ss << " \"type\": \"vector\",\n";
      ss << " \"dimensionality\": {\n";
      ss << "  \"header\": [" << "\"n_years\"" << "],\n";
      ss << "  \"dimensions\": [" << (population_interface->n_years.get() + 1)
         << "]\n},\n";
      ss << " \"values\": " << population_interface->spawning_biomass_ratio
         << "\n\n";
      ss << "},\n";
 
      for (size_t i = 0; i < pop->log_init_naa.size(); i++) {
        population_interface_ptr->log_init_naa[i].final_value_m =
            pop->log_init_naa[i];
      }
      ss << " {\n\"name\": \"log_init_naa\",\n";
      ss << "  \"id\":" << population_interface->log_init_naa.id_m << ",\n";
      ss << "  \"type\": \"vector\",\n";
      ss << " \"dimensionality\": {\n";
      ss << "  \"header\": [" << "\"n_ages\"" << "],\n";
      ss << "  \"dimensions\": [" << population_interface->n_ages.get()
         << "]\n},\n";
 
      ss << "  \"values\":" << population_interface->log_init_naa << "\n";
      ss << "},\n";
 
      for (size_t i = 0; i < population_interface->proportion_female.size();
           i++) {
        population_interface_ptr->proportion_female[i].final_value_m =
            pop->proportion_female.get_force_scalar(i);
      }
      ss << " {\n\"name\": \"proportion_female\",\n";
      ss << "  \"id\":" << population_interface->proportion_female.id_m
         << ",\n";
      ss << "  \"type\": \"vector\",\n";
      ss << " \"dimensionality\": {\n";
      ss << "  \"header\": [" << "\"n_ages\"" << "],\n";
      ss << "  \"dimensions\": ["
         << population_interface->proportion_female.size() << "]\n},\n";
 
      ss << "  \"values\":" << population_interface->proportion_female << "\n";
      ss << "}],\n";
 
      ss << " \"derived_quantities\": [\n";
 
      std::map<std::string, fims::Vector<double>> dqs =
          model_ptr->GetPopulationDerivedQuantities(
              population_interface->get_id());
 
      std::map<std::string, fims_popdy::DimensionInfo> dim_info =
          model_ptr->GetPopulationDimensionInfo(population_interface->get_id());
      ss << this->derived_quantities_component_to_json(dqs, dim_info)
         << " ]}\n";
    } else {
      ss << "{\n";
      ss << " \"name\": \"Population\",\n";
 
      ss << " \"type\": \"population\",\n";
      ss << " \"tag\": \"" << population_interface->get_id()
         << " not found in Information.\",\n";
      ss << " \"id\": " << population_interface->get_id() << ",\n";
      ss << " \"recruitment_id\": " << population_interface->recruitment_id
         << ",\n";
      ss << " \"growth_id\": " << population_interface->growth_id << ",\n";
      ss << " \"maturity_id\": " << population_interface->maturity_id << ",\n";
      ss << " \"derived_quantities\": []}\n";
    }
 
    return ss.str();
  }

  std::string derived_quantity_to_json(
      std::map<std::string, fims::Vector<double>>::iterator it,
      const fims_popdy::DimensionInfo &dim_info) {
    std::stringstream ss;
    fims::Vector<double> &dq = (*it).second;
    std::stringstream dim_entry;
    // gather dimension information
    switch (dim_info.ndims) {
      case 1:
        dim_entry << "\"dimensionality\": {\n";
        dim_entry << "  \"header\": [\"" << dim_info.dim_names[0] << "\"],\n";
        dim_entry << "  \"dimensions\": [";
        for (size_t i = 0; i < dim_info.dims.size(); ++i) {
          if (i > 0) dim_entry << ", ";
          dim_entry << dim_info.dims[i];
        }
        dim_entry << "]\n";
        dim_entry << "}";
        break;
      case 2:
        dim_entry << "\"dimensionality\": {\n";
        dim_entry << "  \"header\": [\"" << dim_info.dim_names[0] << "\", \""
                  << dim_info.dim_names[1] << "\"],\n";
        dim_entry << "  \"dimensions\": [";
        for (size_t i = 0; i < dim_info.dims.size(); ++i) {
          if (i > 0) dim_entry << ", ";
          dim_entry << dim_info.dims[i];
        }
        dim_entry << "]\n";
        dim_entry << "}";
        break;
      case 3:
        dim_entry << "\"dimensionality\": {\n";
        dim_entry << "  \"header\": [\"" << dim_info.dim_names[0] << "\", \""
                  << dim_info.dim_names[1] << "\", \"" << dim_info.dim_names[2]
                  << "\"],\n";
        dim_entry << "  \"dimensions\": [";
        for (size_t i = 0; i < dim_info.dims.size(); ++i) {
          if (i > 0) dim_entry << ", ";
          dim_entry << dim_info.dims[i];
        }
        dim_entry << "]\n";
        dim_entry << "}";
        break;
      default:
        dim_entry << "\"dimensionality\": {\n";
        dim_entry << "  \"header\": [],\n";
        dim_entry << "  \"dimensions\": []\n";
        dim_entry << "}";
        break;
    }
 
    // build JSON string
    ss << "{\n";
    ss << "\"name\":\"" << (*it).first << "\",\n";
    ss << dim_entry.str() << ",\n";
    ss << "\"value\":[";
    ss << std::fixed << std::setprecision(10);
    if (dq.size() > 0) {
      // JSON has no NaN or Inf, e.g., log(0) for an expected catch of zero, so
      // non-finite values are written as -999 like missing values elsewhere
      for (size_t i = 0; i < dq.size() - 1; i++) {
        ss << sanitize_val(dq[i]) << ", ";
      }
      ss << sanitize_val(dq[dq.size() - 1]) << "]\n";
    } else {
      ss << "]\n";
    }
    ss << "}";
 
    return ss.str();
  }

  std::string derived_quantities_component_to_json(
      std::map<std::string, fims::Vector<double>> &dqs,
      std::map<std::string, fims_popdy::DimensionInfo> &dim_info) {
    std::stringstream ss;
    // Stepping back from end() of an empty map is undefined, and there is no
    // last element to write without a trailing comma
    if (dqs.empty()) {
      return ss.str();
    }
    std::map<std::string, fims_popdy::DimensionInfo>::iterator dim_info_it;
    std::map<std::string, fims::Vector<double>>::iterator it;
    typename std::map<std::string, fims::Vector<double>>::iterator
        second_to_last = dqs.end();
    second_to_last--;
 
    it = dqs.begin();
    for (; it != second_to_last; ++it) {
      dim_info_it = dim_info.find(it->first);
      ss << this->derived_quantity_to_json(it, dim_info_it->second) << ",\n";
    }
 
    dim_info_it = dim_info.find(second_to_last->first);
    if (dim_info_it != dim_info.end()) {
      ss << this->derived_quantity_to_json(second_to_last, dim_info_it->second)
         << "\n";
    } else {
      ss << "{}";
      // Handle case where dimension info is not found
    }
    return ss.str();
  }

  std::string fleet_to_json(FleetInterface *fleet_interface) {
    std::stringstream ss;
 
    if (!fleet_interface) {
      FIMS_ERROR_LOG(
          "Fleet pointer is null; cannot get id. Not found in live objects.");
      return "{}";  // Return empty JSON
    }
 
    std::shared_ptr<fims_info::Information<double>> info =
        fims_info::Information<double>::GetInstance();
 
    typename fims_info::Information<double>::model_map_iterator model_it;
    model_it = info->models_map.find(this->get_id());
    std::shared_ptr<fims_popdy::CatchAtAge<double>> model_ptr =
        std::dynamic_pointer_cast<fims_popdy::CatchAtAge<double>>(
            (*model_it).second);
 
    typename fims_info::Information<double>::fleet_iterator fit;
 
    fit = info->fleets.find(fleet_interface->get_id());
 
    if (fit != info->fleets.end()) {
      std::shared_ptr<fims_popdy::Fleet<double>> &fleet = (*fit).second;
 
      ss << "{\n";
      ss << " \"module_name\": \"Fleet\",\n";
      ss << " \"fleet\": \""
         << fims::JsonParser::EscapeString(fleet_interface->name.get())
         << "\",\n";
      ss << " \"module_id\": " << fleet_interface->id << ",\n";
      // Selectivity is written in its own section, so this is what links a
      // selectivity module to its fleet; an unset id is written as -999
      ss << " \"selectivity_id\": "
         << static_cast<int>(fleet_interface->GetSelectivityID()) << ",\n";
      ss << " \"n_ages\": " << fleet_interface->n_ages.get() << ",\n";
      ss << " \"n_years\": " << fleet_interface->n_years.get() << ",\n";
      ss << " \"n_lengths\": " << fleet_interface->n_lengths.get() << ",\n";
      // The length bins that length_i indexes, written like the age in
      // population_to_json(); length holds a placeholder value when
      // n_lengths is 0, so only n_lengths values are written
      std::stringstream length;
      length << std::fixed << std::setprecision(10);
      for (int i = 0; i < fleet_interface->n_lengths.get(); i++) {
        if (i > 0) length << ", ";
        length << sanitize_val(fleet_interface->lengths[i]);
      }
      ss << " \"length\": [" << length.str() << "],\n";
      ss << "\"data_ids\" : [\n";
      ss << "{\"agecomp\": " << fleet_interface->GetObservedAgeCompDataID()
         << "},\n";
      ss << "{\"lengthcomp\": "
         << fleet_interface->GetObservedLengthCompDataID() << "},\n";
      ss << "{\"index\": " << fleet_interface->GetObservedIndexDataID()
         << "},\n";
      ss << "{\"catch\": " << fleet_interface->GetObservedCatchDataID()
         << "}\n";
      ss << "],\n";
      ss << "\"parameters\": [\n";
      ss << "{\n";
      for (size_t i = 0; i < fleet_interface->log_Fmort.size(); i++) {
        fleet_interface->log_Fmort[i].final_value_m = fleet->log_Fmort[i];
      }
 
      ss << " \"name\": \"log_Fmort\",\n";
      ss << " \"id\":" << fleet_interface->log_Fmort.id_m << ",\n";
      ss << " \"type\": \"vector\",\n";
      ss << " \"dimensionality\": {\n";
      ss << "  \"header\": [\"" << "n_years" << "\"],\n";
      ss << "  \"dimensions\": [" << fleet_interface->n_years.get()
         << "]\n},\n";
      ss << " \"values\": " << fleet_interface->log_Fmort << "},\n";
 
      ss << " {\n";
      for (size_t i = 0; i < fleet->log_q.size(); i++) {
        fleet_interface->log_q[i].final_value_m = fleet->log_q[i];
      }
      ss << " \"name\": \"log_q\",\n";
      ss << " \"id\":" << fleet_interface->log_q.id_m << ",\n";
      ss << " \"type\": \"vector\",\n";
      ss << " \"dimensionality\": {\n";
      // With 1 value per year, log_q is labeled by year like log_Fmort, so
      // get_estimates() can report the year of each value
      if (fleet->log_q.size() > 1) {
        ss << "  \"header\": [\"n_years\"],\n";
      } else {
        ss << "  \"header\": [\"na\"],\n";
      }
      ss << "  \"dimensions\": [" << fleet->log_q.size() << "]\n},\n";
 
      ss << " \"values\": " << fleet_interface->log_q << "}\n";
 
      ss << "], \"derived_quantities\": [";
 
      std::map<std::string, fims::Vector<double>> dqs =
          model_ptr->GetFleetDerivedQuantities(fleet_interface->get_id());
      std::map<std::string, fims_popdy::DimensionInfo> dim_info =
          model_ptr->GetFleetDimensionInfo(fleet_interface->get_id());
      ss << this->derived_quantities_component_to_json(dqs, dim_info) << "]}\n";
    } else {
      ss << "{\n";
      ss << " \"name\": \"Fleet\",\n";
      ss << " \"type\": \"fleet\",\n";
      ss << " \"tag\": \"" << fleet_interface->get_id()
         << " not found in Information.\",\n";
      ss << " \"derived_quantities\": []}\n";
    }
    return ss.str();
  }

  virtual std::string to_json() {
    std::set<uint32_t> recruitment_ids;
    std::set<uint32_t> growth_ids;
    std::set<uint32_t> maturity_ids;
    std::set<uint32_t> selectivity_ids;
    std::set<uint32_t> fleet_ids;
    // gather sub-module info from population and fleets
    typename std::set<uint32_t>::iterator module_id_it;  // generic
    typename std::set<uint32_t>::iterator pit;
    typename std::set<uint32_t>::iterator fids;
    for (pit = this->population_ids->begin();
         pit != this->population_ids->end(); pit++) {
      std::shared_ptr<PopulationInterface> population_interface =
          std::dynamic_pointer_cast<PopulationInterface>(
              PopulationInterfaceBase::live_objects[*pit]);
      if (population_interface) {
        recruitment_ids.insert(population_interface->recruitment_id.get());
        growth_ids.insert(population_interface->growth_id.get());
        maturity_ids.insert(population_interface->maturity_id.get());
 
        for (fids = population_interface->fleet_ids->begin();
             fids != population_interface->fleet_ids->end(); fids++) {
          fleet_ids.insert(*fids);
        }
      }
    }
 
    for (fids = fleet_ids.begin(); fids != fleet_ids.end(); fids++) {
      std::shared_ptr<FleetInterface> fleet_interface =
          std::dynamic_pointer_cast<FleetInterface>(
              FleetInterfaceBase::live_objects[*fids]);
      if (fleet_interface) {
        selectivity_ids.insert(fleet_interface->GetSelectivityID());
      }
    }
 
    std::shared_ptr<fims_info::Information<double>> info =
        fims_info::Information<double>::GetInstance();
 
    std::shared_ptr<fims_popdy::CatchAtAge<double>> model =
        std::dynamic_pointer_cast<fims_popdy::CatchAtAge<double>>(
            info->models_map[this->get_id()]);
 
    std::shared_ptr<fims_model::Model<double>> model_internal =
        fims_model::Model<double>::GetInstance();
 
#ifdef TMB_MODEL
    model->do_reporting = false;
#endif
 
    double value = model_internal->Evaluate();
 
    std::stringstream ss;
 
    ss.str("");
 
    ss << "{\n";
    ss << " \"name\": \"CatchAtAge\",\n";
    ss << " \"type\": \"model\",\n";
    ss << " \"estimation_framework\": ";
#ifdef TMB_MODEL
    ss << "\"Template_Model_Builder (TMB)\",";
#else
    ss << "\"FIMS\",";
#endif
    ss << " \"id\": " << this->get_id() << ",\n";
    ss << " \"objective_function_value\": " << sanitize_val(value) << ",\n";
    ss << "\"growth\":[\n";
    for (module_id_it = growth_ids.begin(); module_id_it != growth_ids.end();
         module_id_it++) {
      std::shared_ptr<GrowthInterfaceBase> growth_interface =
          GrowthInterfaceBase::live_objects[*module_id_it];
 
      if (growth_interface != NULL) {
        growth_interface->finalize();
        ss << growth_interface->to_json();
        if (std::next(module_id_it) != growth_ids.end()) {
          ss << ", ";
        }
      }
    }
 
    ss << "],\n";
 
    ss << "\"recruitment\": [\n";
    for (module_id_it = recruitment_ids.begin();
         module_id_it != recruitment_ids.end(); module_id_it++) {
      std::shared_ptr<RecruitmentInterfaceBase> recruitment_interface =
          RecruitmentInterfaceBase::live_objects[*module_id_it];
      if (recruitment_interface) {
        recruitment_interface->finalize();
        ss << recruitment_interface->to_json();
        if (std::next(module_id_it) != recruitment_ids.end()) {
          ss << ", ";
        }
      }
    }
    ss << "],\n";
 
    ss << "\"maturity\": [\n";
    for (module_id_it = maturity_ids.begin();
         module_id_it != maturity_ids.end(); module_id_it++) {
      std::shared_ptr<MaturityInterfaceBase> maturity_interface =
          MaturityInterfaceBase::live_objects[*module_id_it];
      if (maturity_interface) {
        maturity_interface->finalize();
        ss << maturity_interface->to_json();
        if (std::next(module_id_it) != maturity_ids.end()) {
          ss << ", ";
        }
      }
    }
    ss << "],\n";
 
    ss << "\"selectivity\": [\n";
    for (module_id_it = selectivity_ids.begin();
         module_id_it != selectivity_ids.end(); module_id_it++) {
      std::shared_ptr<SelectivityInterfaceBase> selectivity_interface =
          SelectivityInterfaceBase::live_objects[*module_id_it];
      if (selectivity_interface) {
        selectivity_interface->finalize();
        ss << selectivity_interface->to_json();
        if (std::next(module_id_it) != selectivity_ids.end()) {
          ss << ", ";
        }
      }
    }
    ss << "],\n";
 
    ss << " \"population_ids\": [";
    for (pit = this->population_ids->begin();
         pit != this->population_ids->end(); pit++) {
      ss << *pit;
      if (std::next(pit) != this->population_ids->end()) {
        ss << ", ";
      }
    }
    ss << "],\n";
    ss << " \"fleet_ids\": [";
 
    for (fids = fleet_ids.begin(); fids != fleet_ids.end(); fids++) {
      ss << *fids;
      if (std::next(fids) != fleet_ids.end()) {
        ss << ", ";
      }
    }
    ss << "],\n";
    ss << "\"populations\": [\n";
    typename std::set<uint32_t>::iterator pop_it;
    typename std::set<uint32_t>::iterator pop_end_it;
    pop_end_it = this->population_ids->end();
    typename std::set<uint32_t>::iterator pop_second_to_last_it;
    if (pop_end_it != this->population_ids->begin()) {
      pop_second_to_last_it = std::prev(pop_end_it);
    } else {
      pop_second_to_last_it = pop_end_it;
    }
    for (pop_it = this->population_ids->begin();
         pop_it != pop_second_to_last_it; pop_it++) {
      std::shared_ptr<PopulationInterface> population_interface =
          std::dynamic_pointer_cast<PopulationInterface>(
              PopulationInterfaceBase::live_objects[*pop_it]);
      if (population_interface) {
        std::set<uint32_t>::iterator fids;
        for (fids = population_interface->fleet_ids->begin();
             fids != population_interface->fleet_ids->end(); fids++) {
          fleet_ids.insert(*fids);
        }
        population_interface->finalize();
        ss << this->population_to_json(population_interface.get()) << ",";
      } else {
        FIMS_ERROR_LOG("Population with id " + fims::to_string(*pop_it) +
                       " not found in live objects.");
        ss << "{}";  // Return empty JSON for this population
      }
    }
 
    std::shared_ptr<PopulationInterface> population_interface =
        std::dynamic_pointer_cast<PopulationInterface>(
            PopulationInterfaceBase::live_objects[*pop_second_to_last_it]);
    if (population_interface) {
      std::set<uint32_t>::iterator fids;
      for (fids = population_interface->fleet_ids->begin();
           fids != population_interface->fleet_ids->end(); fids++) {
        fleet_ids.insert(*fids);
      }
      ss << this->population_to_json(population_interface.get());
    } else {
      FIMS_ERROR_LOG("Population with id " + fims::to_string(*pop_it) +
                     " not found in live objects.");
      ss << "{}";  // Return empty JSON for this population
    }
 
    ss << "]";
    ss << ",\n";
    ss << "\"fleets\": [\n";
 
    typename std::set<uint32_t>::iterator fleet_it;
    typename std::set<uint32_t>::iterator fleet_end_it;
    fleet_end_it = fleet_ids.end();
    typename std::set<uint32_t>::iterator fleet_second_to_last_it;
 
    if (fleet_end_it != fleet_ids.begin()) {
      fleet_second_to_last_it = std::prev(fleet_end_it);
    }
    for (fleet_it = fleet_ids.begin(); fleet_it != fleet_second_to_last_it;
         fleet_it++) {
      std::shared_ptr<FleetInterface> fleet_interface =
          std::dynamic_pointer_cast<FleetInterface>(
              FleetInterfaceBase::live_objects[*fleet_it]);
      if (fleet_interface) {
        fleet_interface->finalize();
        ss << this->fleet_to_json(fleet_interface.get()) << ",";
      } else {
        FIMS_ERROR_LOG("Fleet with id " + fims::to_string(*fleet_it) +
                       " not found in live objects.");
        ss << "{}";  // Return empty JSON for this fleet
      }
    }
    std::shared_ptr<FleetInterface> fleet_interface =
        std::dynamic_pointer_cast<FleetInterface>(
            FleetInterfaceBase::live_objects[*fleet_second_to_last_it]);
    if (fleet_interface) {
      ss << this->fleet_to_json(fleet_interface.get());
    } else {
      FIMS_ERROR_LOG("Fleet with id " + fims::to_string(*fleet_it) +
                     " not found in live objects.");
      ss << "{}";  // Return empty JSON for this fleet
    }
 
    ss << "],\n";
 
    ss << "\"density_components\": [\n";
 
    typename std::map<
        uint32_t, std::shared_ptr<DistributionsInterfaceBase>>::iterator dit;
    for (dit = DistributionsInterfaceBase::live_objects.begin();
         dit != DistributionsInterfaceBase::live_objects.end(); ++dit) {
      std::shared_ptr<DistributionsInterfaceBase> dist_interface =
          (*dit).second;
      if (dist_interface) {
        dist_interface->finalize();
        ss << dist_interface->to_json();
        if (std::next(dit) != DistributionsInterfaceBase::live_objects.end()) {
          ss << ",\n";
        }
      }
    }
    ss << "\n],\n";
    ss << "\"data\": [\n";
    typename std::map<uint32_t, std::shared_ptr<DataInterfaceBase>>::iterator
        d_it;
    for (d_it = DataInterfaceBase::live_objects.begin();
         d_it != DataInterfaceBase::live_objects.end(); ++d_it) {
      std::shared_ptr<DataInterfaceBase> data_interface = (*d_it).second;
      if (data_interface) {
        data_interface->finalize();
        ss << data_interface->to_json();
        if (std::next(d_it) != DataInterfaceBase::live_objects.end()) {
          ss << ",\n";
        }
      }
    }
    ss << "\n]\n";
    ss << "}\n";
#ifdef TMB_MODEL
    model->do_reporting = true;
#endif
    return fims::JsonParser::PrettyFormatJSON(ss.str());
  }
 
#ifdef TMB_MODEL
 
  template <typename Type>
  bool add_to_fims_tmb_internal() {
    std::shared_ptr<fims_info::Information<Type>> info =
        fims_info::Information<Type>::GetInstance();
 
    std::shared_ptr<fims_popdy::CatchAtAge<Type>> model =
        std::make_shared<fims_popdy::CatchAtAge<Type>>();
 
    population_id_iterator it;
 
    for (it = this->population_ids->begin(); it != this->population_ids->end();
         ++it) {
      model->AddPopulation((*it));
    }
 
    std::set<uint32_t> fleet_ids;  // all fleets in the model
    typedef typename std::set<uint32_t>::iterator fleet_ids_iterator;
 
    // add to Information
    info->models_map[this->get_id()] = model;
 
    for (it = this->population_ids->begin(); it != this->population_ids->end();
         ++it) {
      auto population_interface_it =
          PopulationInterfaceBase::live_objects.find(*it);
      if (population_interface_it ==
          PopulationInterfaceBase::live_objects.end()) {
        FIMS_ERROR_LOG("Population with id " + fims::to_string(*it) +
                       " not found in live objects.");
        continue;
      }
 
      std::shared_ptr<PopulationInterface> population_interface =
          std::dynamic_pointer_cast<PopulationInterface>(
              population_interface_it->second);
      if (!population_interface) {
        FIMS_ERROR_LOG("Population with id " + fims::to_string(*it) +
                       " not found in live objects.");
        continue;
      }
 
      model->InitializePopulationDerivedQuantities(population_interface->id);
      std::map<std::string, fims::Vector<Type>> &derived_quantities =
          model->GetPopulationDerivedQuantities(population_interface->id);
 
      std::map<std::string, fims_popdy::DimensionInfo>
          &derived_quantities_dim_info =
              model->GetPopulationDimensionInfo(population_interface->id);
 
      std::stringstream ss;
 
      derived_quantities["total_catch_weight"] =
          fims::Vector<Type>(population_interface->n_years.get());
 
      derived_quantities_dim_info["total_catch_weight"] =
          fims_popdy::DimensionInfo(
              "total_catch_weight",
              fims::Vector<int>{(int)population_interface->n_years.get()},
              fims::Vector<std::string>{"n_years"});
      info->variable_map[population_interface->total_catch_weight.id_m] =
          &derived_quantities["total_catch_weight"];
 
      derived_quantities["total_catch_numbers"] =
          fims::Vector<Type>(population_interface->n_years.get());
 
      derived_quantities_dim_info["total_catch_numbers"] =
          fims_popdy::DimensionInfo(
              "total_catch_numbers",
              fims::Vector<int>{population_interface->n_years.get()},
              fims::Vector<std::string>{"n_years"});
      info->variable_map[population_interface->total_catch_numbers.id_m] =
          &derived_quantities["total_catch_numbers"];
 
      derived_quantities["mortality_F"] =
          fims::Vector<Type>(population_interface->n_years.get() *
                             population_interface->n_ages.get());
      derived_quantities_dim_info["mortality_F"] = fims_popdy::DimensionInfo(
          "mortality_F",
          fims::Vector<int>{population_interface->n_years.get(),
                            population_interface->n_ages.get()},
          fims::Vector<std::string>{"n_years", "n_ages"});
      info->variable_map[population_interface->mortality_F.id_m] =
          &derived_quantities["mortality_F"];
 
      derived_quantities["mortality_M"] =
          fims::Vector<Type>(population_interface->n_years.get() *
                             population_interface->n_ages.get());
      derived_quantities_dim_info["mortality_M"] = fims_popdy::DimensionInfo(
          "mortality_M",
          fims::Vector<int>{population_interface->n_years.get(),
                            population_interface->n_ages.get()},
          fims::Vector<std::string>{"n_years", "n_ages"});
      info->variable_map[population_interface->mortality_M.id_m] =
          &derived_quantities["mortality_M"];
 
      derived_quantities["mortality_Z"] =
          fims::Vector<Type>(population_interface->n_years.get() *
                             population_interface->n_ages.get());
      derived_quantities_dim_info["mortality_Z"] = fims_popdy::DimensionInfo(
          "mortality_Z",
          fims::Vector<int>{population_interface->n_years.get(),
                            population_interface->n_ages.get()},
          fims::Vector<std::string>{"n_years", "n_ages"});
      info->variable_map[population_interface->mortality_Z.id_m] =
          &derived_quantities["mortality_Z"];
 
      derived_quantities["numbers_at_age"] =
          fims::Vector<Type>((population_interface->n_years.get() + 1) *
                             population_interface->n_ages.get());
      derived_quantities_dim_info["numbers_at_age"] = fims_popdy::DimensionInfo(
          "numbers_at_age",
          fims::Vector<int>{(population_interface->n_years.get() + 1),
                            population_interface->n_ages.get()},
          fims::Vector<std::string>{"n_years+1", "n_ages"});
      info->variable_map[population_interface->numbers_at_age.id_m] =
          &derived_quantities["numbers_at_age"];
 
      derived_quantities["unfished_numbers_at_age"] =
          fims::Vector<Type>((population_interface->n_years.get() + 1) *
                             population_interface->n_ages.get());
      derived_quantities_dim_info["unfished_numbers_at_age"] =
          fims_popdy::DimensionInfo(
              "unfished_numbers_at_age",
              fims::Vector<int>{(population_interface->n_years.get() + 1),
                                population_interface->n_ages.get()},
              fims::Vector<std::string>{"n_years+1", "n_ages"});
      info->variable_map[population_interface->unfished_numbers_at_age.id_m] =
          &derived_quantities["unfished_numbers_at_age"];
 
      derived_quantities["biomass"] =
          fims::Vector<Type>((population_interface->n_years.get() + 1));
      derived_quantities_dim_info["biomass"] = fims_popdy::DimensionInfo(
          "biomass",
          fims::Vector<int>{(population_interface->n_years.get() + 1)},
          fims::Vector<std::string>{"n_years+1"});
      info->variable_map[population_interface->biomass.id_m] =
          &derived_quantities["biomass"];
 
      derived_quantities["spawning_biomass"] =
          fims::Vector<Type>((population_interface->n_years.get() + 1));
      derived_quantities_dim_info["spawning_biomass"] =
          fims_popdy::DimensionInfo(
              "spawning_biomass",
              fims::Vector<int>{(population_interface->n_years.get() + 1)},
              fims::Vector<std::string>{"n_years+1"});
      info->variable_map[population_interface->spawning_biomass.id_m] =
          &derived_quantities["spawning_biomass"];
 
      derived_quantities["unfished_biomass"] =
          fims::Vector<Type>((population_interface->n_years.get() + 1));
      derived_quantities_dim_info["unfished_biomass"] =
          fims_popdy::DimensionInfo(
              "unfished_biomass",
              fims::Vector<int>{(population_interface->n_years.get() + 1)},
              fims::Vector<std::string>{"n_years+1"});
      info->variable_map[population_interface->unfished_biomass.id_m] =
          &derived_quantities["unfished_biomass"];
 
      derived_quantities["unfished_spawning_biomass"] =
          fims::Vector<Type>((population_interface->n_years.get() + 1));
      derived_quantities_dim_info["unfished_spawning_biomass"] =
          fims_popdy::DimensionInfo(
              "unfished_spawning_biomass",
              fims::Vector<int>{(population_interface->n_years.get() + 1)},
              fims::Vector<std::string>{"n_years+1"});
      info->variable_map[population_interface->unfished_spawning_biomass.id_m] =
          &derived_quantities["unfished_spawning_biomass"];
 
      derived_quantities["proportion_mature_at_age"] =
          fims::Vector<Type>((population_interface->n_years.get() + 1) *
                             population_interface->n_ages.get());
      derived_quantities_dim_info["proportion_mature_at_age"] =
          fims_popdy::DimensionInfo(
              "proportion_mature_at_age",
              fims::Vector<int>{(population_interface->n_years.get() + 1),
                                population_interface->n_ages.get()},
              fims::Vector<std::string>{"n_years+1", "n_ages"});
      info->variable_map[population_interface->proportion_mature_at_age.id_m] =
          &derived_quantities["proportion_mature_at_age"];
 
      derived_quantities["expected_recruitment"] =
          fims::Vector<Type>((population_interface->n_years.get() + 1));
      derived_quantities_dim_info["expected_recruitment"] =
          fims_popdy::DimensionInfo(
              "expected_recruitment",
              fims::Vector<int>{(population_interface->n_years.get() + 1)},
              fims::Vector<std::string>{"n_years+1"});
      info->variable_map[population_interface->expected_recruitment.id_m] =
          &derived_quantities["expected_recruitment"];
 
      derived_quantities["sum_selectivity"] =
          fims::Vector<Type>(population_interface->n_years.get() *
                             population_interface->n_ages.get());
      derived_quantities_dim_info["sum_selectivity"] =
          fims_popdy::DimensionInfo(
              "sum_selectivity",
              fims::Vector<int>{population_interface->n_years.get(),
                                population_interface->n_ages.get()},
              fims::Vector<std::string>{"n_years", "n_ages"});
      info->variable_map[population_interface->sum_selectivity.id_m] =
          &derived_quantities["sum_selectivity"];
 
      // replace elements in the variable map
 
      for (fleet_ids_iterator fit = population_interface->fleet_ids->begin();
           fit != population_interface->fleet_ids->end(); ++fit) {
        fleet_ids.insert(*fit);
      }
    }
 
    for (fleet_ids_iterator it = fleet_ids.begin(); it != fleet_ids.end();
         ++it) {
      auto fleet_interface_it = FleetInterfaceBase::live_objects.find(*it);
      if (fleet_interface_it == FleetInterfaceBase::live_objects.end()) {
        FIMS_ERROR_LOG("Fleet with id " + fims::to_string(*it) +
                       " not found in live objects.");
        continue;
      }
 
      std::shared_ptr<FleetInterface> fleet_interface =
          std::dynamic_pointer_cast<FleetInterface>(fleet_interface_it->second);
      if (!fleet_interface) {
        FIMS_ERROR_LOG("Fleet with id " + fims::to_string(*it) +
                       " not found in live objects.");
        continue;
      }
      model->InitializeFleetDerivedQuantities(fleet_interface->id);
      std::map<std::string, fims::Vector<Type>> &derived_quantities =
          model->GetFleetDerivedQuantities(fleet_interface->id);
 
      std::map<std::string, fims_popdy::DimensionInfo>
          &derived_quantities_dim_info =
              model->GetFleetDimensionInfo(fleet_interface->id);
 
      // initialize derive quantities
      // catch
      derived_quantities["catch_numbers_at_age"] = fims::Vector<Type>(
          fleet_interface->n_years.get() * fleet_interface->n_ages.get());
      derived_quantities_dim_info["catch_numbers_at_age"] =
          fims_popdy::DimensionInfo(
              "catch_numbers_at_age",
              fims::Vector<int>{(fleet_interface->n_years.get()),
                                fleet_interface->n_ages.get()},
              fims::Vector<std::string>{"n_years", "n_ages"});
      info->variable_map[fleet_interface->catch_numbers_at_age.id_m] =
          &derived_quantities["catch_numbers_at_age"];
 
      derived_quantities["catch_weight_at_age"] = fims::Vector<Type>(
          fleet_interface->n_years.get() * fleet_interface->n_ages.get());
      derived_quantities_dim_info["catch_weight_at_age"] =
          fims_popdy::DimensionInfo(
              "catch_weight_at_age",
              fims::Vector<int>{(fleet_interface->n_years.get()),
                                fleet_interface->n_ages.get()},
              fims::Vector<std::string>{"n_years", "n_ages"});
      info->variable_map[fleet_interface->catch_weight_at_age.id_m] =
          &derived_quantities["catch_weight_at_age"];
 
      derived_quantities["catch_numbers_at_length"] = fims::Vector<Type>(
          fleet_interface->n_years.get() * fleet_interface->n_lengths.get());
      derived_quantities_dim_info["catch_numbers_at_length"] =
          fims_popdy::DimensionInfo(
              "catch_numbers_at_length",
              fims::Vector<int>{(fleet_interface->n_years.get()),
                                fleet_interface->n_lengths.get()},
              fims::Vector<std::string>{"n_years", "n_lengths"});
      info->variable_map[fleet_interface->catch_numbers_at_length.id_m] =
          &derived_quantities["catch_numbers_at_length"];
 
      derived_quantities["catch_weight"] =
          fims::Vector<Type>(fleet_interface->n_years.get());
      derived_quantities_dim_info["catch_weight"] = fims_popdy::DimensionInfo(
          "catch_weight", fims::Vector<int>{(fleet_interface->n_years.get())},
          fims::Vector<std::string>{"n_years"});
      info->variable_map[fleet_interface->catch_weight.id_m] =
          &derived_quantities["catch_weight"];
 
      derived_quantities["catch_numbers"] =
          fims::Vector<Type>(fleet_interface->n_years.get());
      derived_quantities_dim_info["catch_numbers"] = fims_popdy::DimensionInfo(
          "catch_numbers", fims::Vector<int>{(fleet_interface->n_years.get())},
          fims::Vector<std::string>{"n_years"});
      info->variable_map[fleet_interface->catch_numbers.id_m] =
          &derived_quantities["catch_numbers"];
 
      derived_quantities["catch_expected"] =
          fims::Vector<Type>(fleet_interface->n_years.get());
      derived_quantities_dim_info["catch_expected"] = fims_popdy::DimensionInfo(
          "catch_expected", fims::Vector<int>{(fleet_interface->n_years.get())},
          fims::Vector<std::string>{"n_years"});
      info->variable_map[fleet_interface->catch_expected.id_m] =
          &derived_quantities["catch_expected"];
 
      derived_quantities["log_catch_expected"] =
          fims::Vector<Type>(fleet_interface->n_years.get());
      derived_quantities_dim_info["log_catch_expected"] =
          fims_popdy::DimensionInfo(
              "log_catch_expected",
              fims::Vector<int>{(fleet_interface->n_years.get())},
              fims::Vector<std::string>{"n_years"});
      info->variable_map[fleet_interface->log_catch_expected.id_m] =
          &derived_quantities["log_catch_expected"];
 
      derived_quantities["agecomp_proportion"] = fims::Vector<Type>(
          fleet_interface->n_years.get() * fleet_interface->n_ages.get());
      derived_quantities_dim_info["agecomp_proportion"] =
          fims_popdy::DimensionInfo(
              "agecomp_proportion",
              fims::Vector<int>{(fleet_interface->n_years.get()),
                                fleet_interface->n_ages.get()},
              fims::Vector<std::string>{"n_years", "n_ages"});
      info->variable_map[fleet_interface->agecomp_proportion.id_m] =
          &derived_quantities["agecomp_proportion"];
 
      derived_quantities["lengthcomp_proportion"] = fims::Vector<Type>(
          fleet_interface->n_years.get() * fleet_interface->n_lengths.get());
      derived_quantities_dim_info["lengthcomp_proportion"] =
          fims_popdy::DimensionInfo(
              "lengthcomp_proportion",
              fims::Vector<int>{(fleet_interface->n_years.get()),
                                fleet_interface->n_lengths.get()},
              fims::Vector<std::string>{"n_years", "n_lengths"});
      info->variable_map[fleet_interface->lengthcomp_proportion.id_m] =
          &derived_quantities["lengthcomp_proportion"];
 
      // index
      derived_quantities["index_numbers_at_age"] = fims::Vector<Type>(
          fleet_interface->n_years.get() * fleet_interface->n_ages.get());
      derived_quantities_dim_info["index_numbers_at_age"] =
          fims_popdy::DimensionInfo(
              "index_numbers_at_age",
              fims::Vector<int>{(fleet_interface->n_years.get()),
                                fleet_interface->n_ages.get()},
              fims::Vector<std::string>{"n_years", "n_ages"});
      info->variable_map[fleet_interface->index_numbers_at_age.id_m] =
          &derived_quantities["index_numbers_at_age"];
 
      derived_quantities["index_weight_at_age"] = fims::Vector<Type>(
          fleet_interface->n_years.get() * fleet_interface->n_ages.get());
      derived_quantities_dim_info["index_weight_at_age"] =
          fims_popdy::DimensionInfo(
              "index_weight_at_age",
              fims::Vector<int>{(fleet_interface->n_years.get()),
                                fleet_interface->n_ages.get()},
              fims::Vector<std::string>{"n_years", "n_ages"});
      info->variable_map[fleet_interface->index_weight_at_age.id_m] =
          &derived_quantities["index_weight_at_age"];
 
      derived_quantities["index_numbers_at_length"] = fims::Vector<Type>(
          fleet_interface->n_years.get() * fleet_interface->n_lengths.get());
      derived_quantities_dim_info["index_numbers_at_length"] =
          fims_popdy::DimensionInfo(
              "index_numbers_at_length",
              fims::Vector<int>{(fleet_interface->n_years.get()),
                                fleet_interface->n_lengths.get()},
              fims::Vector<std::string>{"n_years", "n_lengths"});
      info->variable_map[fleet_interface->index_numbers_at_length.id_m] =
          &derived_quantities["index_numbers_at_length"];
 
      derived_quantities["index_weight"] =
          fims::Vector<Type>(fleet_interface->n_years.get());
      derived_quantities_dim_info["index_weight"] = fims_popdy::DimensionInfo(
          "index_weight", fims::Vector<int>{(fleet_interface->n_years.get())},
          fims::Vector<std::string>{"n_years"});
      info->variable_map[fleet_interface->index_weight.id_m] =
          &derived_quantities["index_weight"];
 
      derived_quantities["index_numbers"] =
          fims::Vector<Type>(fleet_interface->n_years.get());
      derived_quantities_dim_info["index_numbers"] = fims_popdy::DimensionInfo(
          "index_numbers", fims::Vector<int>{(fleet_interface->n_years.get())},
          fims::Vector<std::string>{"n_years"});
      info->variable_map[fleet_interface->index_numbers.id_m] =
          &derived_quantities["index_numbers"];
 
      derived_quantities["index_expected"] =
          fims::Vector<Type>(fleet_interface->n_years.get());
      derived_quantities_dim_info["index_expected"] = fims_popdy::DimensionInfo(
          "index_expected", fims::Vector<int>{(fleet_interface->n_years.get())},
          fims::Vector<std::string>{"n_years"});
      info->variable_map[fleet_interface->index_expected.id_m] =
          &derived_quantities["index_expected"];
 
      derived_quantities["log_index_expected"] =
          fims::Vector<Type>(fleet_interface->n_years.get());
      derived_quantities_dim_info["log_index_expected"] =
          fims_popdy::DimensionInfo(
              "log_index_expected",
              fims::Vector<int>{(fleet_interface->n_years.get())},
              fims::Vector<std::string>{"n_years"});
      info->variable_map[fleet_interface->log_index_expected.id_m] =
          &derived_quantities["log_index_expected"];
 
      derived_quantities["agecomp_expected"] = fims::Vector<Type>(
          fleet_interface->n_years.get() * fleet_interface->n_ages.get());
      derived_quantities_dim_info["agecomp_expected"] =
          fims_popdy::DimensionInfo(
              "agecomp_expected",
              fims::Vector<int>{(fleet_interface->n_years.get()),
                                (fleet_interface->n_ages.get())},
              fims::Vector<std::string>{"n_years", "n_ages"});
      info->variable_map[fleet_interface->agecomp_expected.id_m] =
          &derived_quantities["agecomp_expected"];
 
      derived_quantities["lengthcomp_expected"] = fims::Vector<Type>(
          fleet_interface->n_years.get() * fleet_interface->n_lengths.get());
      derived_quantities_dim_info["lengthcomp_expected"] =
          fims_popdy::DimensionInfo(
              "lengthcomp_expected",
              fims::Vector<int>{(fleet_interface->n_years.get()),
                                (fleet_interface->n_lengths.get())},
              fims::Vector<std::string>{"n_years", "n_lengths"});
      info->variable_map[fleet_interface->lengthcomp_expected.id_m] =
          &derived_quantities["lengthcomp_expected"];
    }
 
    return true;
  }
 
  virtual bool add_to_fims_tmb() {
    this->add_to_fims_tmb_internal<TMB_FIMS_REAL_TYPE>();
    this->add_to_fims_tmb_internal<TMBAD_FIMS_TYPE>();
    return true;
  }
 
#endif
};
 
#endif