ioss 0.0.3

Io celestial simulation crate for the MilkyWay SolarSystem workspace
Documentation 
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#[derive(Debug, Clone, Copy, PartialEq)]
pub struct SulfurDeposit {
    pub region_name: &'static str,
    pub estimated_mass_kg: f64,
    pub purity_fraction: f64,
}

impl SulfurDeposit {
    pub fn extractable_sulfur_kg(&self, recovery_efficiency: f64) -> f64 {
        self.estimated_mass_kg * self.purity_fraction * recovery_efficiency.clamp(0.0, 1.0)
    }
}

pub fn loki_deposits() -> SulfurDeposit {
    SulfurDeposit {
        region_name: "Loki Patera ejecta",
        estimated_mass_kg: 1.0e15,
        purity_fraction: 0.80,
    }
}

pub fn annual_propellant_potential(deposit: SulfurDeposit, kg_per_year: f64) -> f64 {
    deposit.extractable_sulfur_kg(0.5) / kg_per_year.max(1.0)
}