pub const DSB_YIELD_PER_GY: f64 = 35.0;
pub const SSB_YIELD_PER_GY: f64 = 1000.0;
pub const OXIDATIVE_DAMAGE_COEFF: f64 = 200.0;
pub const OXIDATIVE_DAMAGE_O2_KM: f64 = 3.0;
pub const DNA_DAMAGE_DSB_WEIGHT: f64 = 10.0;
pub const DNA_DAMAGE_BASE_WEIGHT: f64 = 2.0;
pub const LN_2: f64 = LN_2;
pub const FARQUHAR_WJ_CI_COEFF: f64 = 4.0;
pub const FARQUHAR_WJ_GAMMA_COEFF: f64 = 8.0;
pub const TUMOR_CARRYING_CAPACITY: f64 = 1e12;