settings.h

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#pragma once

#include <string>
#include <memory>
#include <unordered_map>

class Settings;

class Settings
{
        public:
                Settings() {
                        variable_map["LCTOLERANCE"] = 1.0e-10;
                };

                static Settings* inst;

                static double val(const std::string& variable);

                static void setVal(const std::string& variable,double val);

                static bool exists(const std::string& variable);

                static Settings* instance();

        private:
                static std::unordered_map<std::string, double> variable_map;
};