config.hpp

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#ifndef CONFIG_HPP
#define CONFIG_HPP
#include <random>
 
namespace MecaCell {
struct Config {
    // TYPES
    using random_engine_t = std::mt19937;  // used for random vectors
    // fallback global
    static inline random_engine_t globalEngine_;
 
    static random_engine_t*& engine_ptr() {
        static thread_local random_engine_t* ptr = &globalEngine_;
        return ptr;
    }
 
 
 
    // CONST
    static constexpr double DEFAULT_CELL_DAMP_RATIO = 1.0;
    static constexpr double DEFAULT_CELL_RADIUS = 40;
    static constexpr double DEFAULT_CELL_MASS = 0.04;
    static constexpr double DEFAULT_CELL_STIFFNESS = 4.0;
    static constexpr double DEFAULT_CELL_YOUNGMOD = 1.0;
    static constexpr double DEFAULT_CELL_POISSONCOEF = 0.3;
 
    static constexpr double DOUBLE_EPSILON = 1e-20;
 
    static random_engine_t& globalRand() {
        //std::random_device rd;
        return *engine_ptr();
    }
 
    static inline void setCurrentEngine(random_engine_t* eng) {
        engine_ptr() = eng;
    } 
};
}  // namespace MecaCell
#endif