uom/si/
linear_mass_density.rs

1//! Linear mass density (base unit kilogram per meter, m⁻¹ · kg).
2
3quantity! {
4    /// Linear mass density (base unit kilogram per meter, m⁻¹ · kg).
5    quantity: LinearMassDensity; "linear mass density";
6    /// Dimension of linear mass density, L⁻¹M (base unit kilogram per meter, m⁻¹ · kg).
7    dimension: ISQ<
8        N1,     // length
9        P1,     // mass
10        Z0,     // time
11        Z0,     // electric current
12        Z0,     // thermodynamic temperature
13        Z0,     // amount of substance
14        Z0>;    // luminous intensity
15    units {
16        @kilogram_per_meter: prefix!(none); "kg/m", "kilogram per meter", "kilograms per meter";
17        @gram_per_kilometer: prefix!(milli) / prefix!(kilo); "g/km", "gram per kilometer",
18            "grams per kilometer";
19        @gram_per_centimeter: prefix!(milli) / prefix!(centi); "g/cm", "gram per centimeter",
20            "grams per centimeter";
21
22        @ounce_per_foot: 2.834_952_E-2 / 3.048_E-1; "oz/ft", "ounce per foot", "ounces per foot";
23        @ounce_per_inch: 2.834_952_E-2 / 2.54_E-2; "oz/in", "ounce per inch", "ounces per inch";
24        @pound_per_yard: 4.535_924_E-1 / 9.144_E-1; "lb/yd", "pound per yard", "pounds per yard";
25        @pound_per_foot: 4.535_924_E-1 / 3.048_E-1; "lb/ft", "pound per foot", "pounds per foot";
26        @pound_per_inch: 4.535_924_E-1 / 2.54_E-2; "lb/in", "pound per inch", "pounds per inch";
27    }
28}
29
30#[cfg(test)]
31mod test {
32    storage_types! {
33        use crate::num::One;
34        use crate::si::mass as m;
35        use crate::si::linear_mass_density as d;
36        use crate::si::quantities::*;
37        use crate::si::length as l;
38        use crate::tests::Test;
39
40        #[test]
41        fn check_dimension() {
42            let _: LinearMassDensity<V> = Mass::new::<m::kilogram>(V::one())
43                / Length::new::<l::meter>(V::one());
44        }
45
46        #[test]
47        fn check_units() {
48            test::<m::kilogram, l::meter, d::kilogram_per_meter>();
49            test::<m::gram, l::kilometer, d::gram_per_kilometer>();
50            test::<m::gram, l::centimeter, d::gram_per_centimeter>();
51
52            test::<m::ounce, l::foot, d::ounce_per_foot>();
53            test::<m::ounce, l::inch, d::ounce_per_inch>();
54            test::<m::pound, l::yard, d::pound_per_yard>();
55            test::<m::pound, l::foot, d::pound_per_foot>();
56            test::<m::pound, l::inch, d::pound_per_inch>();
57
58            fn test<M: m::Conversion<V>, L: l::Conversion<V>, D: d::Conversion<V>>() {
59                Test::assert_approx_eq(&LinearMassDensity::new::<D>(V::one()),
60                    &(Mass::new::<M>(V::one()) / Length::new::<L>(V::one())));
61            }
62        }
63    }
64}
uom/si/linear_mass_density.rs

uom/si/
linear_mass_density.rs
