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 ExosphereSpecies {
    pub name: &'static str,
    pub abundance_fraction: f64,
    pub scale_height_km: f64,
}

pub fn reference_composition() -> Vec<ExosphereSpecies> {
    vec![
        ExosphereSpecies {
            name: "SO2",
            abundance_fraction: 0.62,
            scale_height_km: 12.0,
        },
        ExosphereSpecies {
            name: "SO",
            abundance_fraction: 0.13,
            scale_height_km: 15.0,
        },
        ExosphereSpecies {
            name: "S",
            abundance_fraction: 0.10,
            scale_height_km: 20.0,
        },
        ExosphereSpecies {
            name: "O",
            abundance_fraction: 0.05,
            scale_height_km: 25.0,
        },
        ExosphereSpecies {
            name: "Na",
            abundance_fraction: 0.06,
            scale_height_km: 42.0,
        },
        ExosphereSpecies {
            name: "K",
            abundance_fraction: 0.04,
            scale_height_km: 35.0,
        },
    ]
}

pub fn dominant_species(species: &[ExosphereSpecies]) -> Option<ExosphereSpecies> {
    species
        .iter()
        .copied()
        .max_by(|a, b| a.abundance_fraction.total_cmp(&b.abundance_fraction))
}