uom/si/
specific_area.rs

1//! Specific area (base unit square meter per kilogram, m² · kg⁻¹).
2
3quantity! {
4    /// Specific area (base unit square meter per kilogram, m² · kg⁻¹).
5    quantity: SpecificArea; "specific area";
6    /// Dimension of specific area, L²M⁻¹ (base unit square meter per kilogram, m² · kg⁻¹).
7    dimension: ISQ<
8        P2,     // length
9        N1,     // mass
10        Z0,     // time
11        Z0,     // electric current
12        Z0,     // thermodynamic temperature
13        Z0,     // amount of substance
14        Z0>;    // luminous intensity
15    units {
16        @square_meter_per_kilogram: prefix!(none); "m²/kg", "square meter per kilogram",
17            "square meters per kilogram";
18        @square_centimeter_per_kilogram: prefix!(centi) * prefix!(centi); "cm²/kg",
19            "square centimeter per kilogram", "square centimeters per kilogram";
20
21        @square_meter_per_gram: prefix!(none) / prefix!(milli); "m²/g", "square meter per gram",
22            "square meters per gram";
23        @square_centimeter_per_gram: prefix!(centi) * prefix!(centi) / prefix!(milli); "cm²/g",
24            "square centimeter per gram", "square centimeters per gram";
25    }
26}
27
28#[cfg(test)]
29mod tests {
30    storage_types! {
31        use crate::num::One;
32        use crate::si::area as a;
33        use crate::si::mass as m;
34        use crate::si::specific_area as sa;
35        use crate::si::quantities::*;
36        use crate::tests::Test;
37
38        #[test]
39        fn check_dimension() {
40            let _: SpecificArea<V> = Area::new::<a::square_meter>(V::one()) / Mass::new::<m::kilogram>(V::one());
41        }
42
43        #[test]
44        fn check_units() {
45            test::<a::square_meter, m::kilogram, sa::square_meter_per_kilogram>();
46            test::<a::square_centimeter, m::kilogram, sa::square_centimeter_per_kilogram>();
47
48            test::<a::square_meter, m::gram, sa::square_meter_per_gram>();
49            test::<a::square_centimeter, m::gram, sa::square_centimeter_per_gram>();
50
51            fn test<A: a::Conversion<V>, M: m::Conversion<V>, SA: sa::Conversion<V>, >() {
52                Test::assert_eq(&SpecificArea::new::<SA>(V::one()),
53                    &(Area::new::<A>(V::one()) / Mass::new::<M>(V::one())));
54            }
55        }
56    }
57}
uom/si/specific_area.rs

uom/si/
specific_area.rs
