#ifndef H_TABIPB_CONSTANTS_H #define H_TABIPB_CONSTANTS_H namespace constants { constexpr double PI = 3.14159265358979324; constexpr double ONE_OVER_4PI = 0.079577471545948; constexpr double KCAL_TO_KJ = 4.184; constexpr double BULK_COEFF = 2529.12179861515279; constexpr double UNITS_COEFF = 1389.3875744; // 332.0716 * kcal2kj constexpr double UNITS_PARA = 8729.779593448; // 2 * UNITS_COEFF * PI } #endif