csv_output.hh

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#pragma once
 
// DiFfRG
#include <DiFfRG/common/config_tree.hh>
 
// standard library
#include <fstream>
#include <unordered_map>
#include <unordered_set>
#include <vector>
 
namespace DiFfRG
{
  class CsvOutput
  {
  public:
    CsvOutput(const std::string top_folder, const std::string output_name);
    [[deprecated("Use CsvOutput(top_folder, output_name) instead")]] CsvOutput(
        const std::string top_folder, const std::string output_name, [[maybe_unused]] const ConfigTree &config)
        : CsvOutput(std::move(top_folder), std::move(output_name))
    {
    }
 
    void value(const std::string &name, const double value);
 
    void flush(const double time);
    void validate_frame() const;
 
    void set_Lambda(const double Lambda);
 
  private:
    const std::string top_folder;
    const std::string output_name;
    std::ofstream output_stream;
 
    std::vector<std::string> insertion_order;
    std::unordered_map<std::string, std::vector<double>> values;
    std::unordered_set<std::string> written_this_frame;
 
    std::vector<std::string> header;
    std::vector<double> time_values;
    std::vector<double> k_values;
 
    double Lambda;
  };
} // namespace DiFfRG