uom/si/
electric_potential.rs

1//! Electric potential (base unit volt, m² · kg · s⁻³ · A⁻¹).
2
3quantity! {
4    /// Electric potential (base unit volt, m² · kg · s⁻³ · A⁻¹).
5    quantity: ElectricPotential; "electric potential";
6    /// Dimension of electric potential, L²MT⁻³I⁻¹ (base unit volt, m² · kg · s⁻³ · A⁻¹).
7    dimension: ISQ<
8        P2,     // length
9        P1,     // mass
10        N3,     // time
11        N1,     // electric current
12        Z0,     // thermodynamic temperature
13        Z0,     // amount of substance
14        Z0>;    // luminous intensity
15    units {
16        @yottavolt: prefix!(yotta); "YV", "yottavolt", "yottavolts";
17        @zettavolt: prefix!(zetta); "ZV", "zettavolt", "zettavolts";
18        @exavolt: prefix!(exa); "EV", "exavolt", "exavolts";
19        @petavolt: prefix!(peta); "PV", "petavolt", "petavolts";
20        @teravolt: prefix!(tera); "TV", "teravolt", "teravolts";
21        @gigavolt: prefix!(giga); "GV", "gigavolt", "gigavolts";
22        @megavolt: prefix!(mega); "MV", "megavolt", "megavolts";
23        @kilovolt: prefix!(kilo); "kV", "kilovolt", "kilovolts";
24        @hectovolt: prefix!(hecto); "hV", "hectovolt", "hectovolts";
25        @decavolt: prefix!(deca); "daV", "decavolt", "decavolts";
26        /// Derived unit of electric potential.
27        @volt: prefix!(none); "V", "volt", "volts";
28        @decivolt: prefix!(deci); "dV", "decivolt", "decivolts";
29        @centivolt: prefix!(centi); "cV", "centivolt", "centivolts";
30        @millivolt: prefix!(milli); "mV", "millivolt", "millivolts";
31        @microvolt: prefix!(micro); "µV", "microvolt", "microvolts";
32        @nanovolt: prefix!(nano); "nV", "nanovolt", "nanovolts";
33        @picovolt: prefix!(pico); "pV", "picovolt", "picovolts";
34        @femtovolt: prefix!(femto); "fV", "femtovolt", "femtovolts";
35        @attovolt: prefix!(atto); "aV", "attovolt", "attovolts";
36        @zeptovolt: prefix!(zepto); "zV", "zeptovolt", "zeptovolts";
37        @yoctovolt: prefix!(yocto); "yV", "yoctovolt", "yoctovolts";
38
39        @abvolt: 1.0_E-8; "abV", "abvolt", "abvolts";
40        @statvolt: 2.997_925_E2; "statV", "statvolt", "statvolts";
41    }
42}
43
44#[cfg(test)]
45mod tests {
46    storage_types! {
47        use crate::num::One;
48        use crate::si::area as a;
49        use crate::si::electric_current as i;
50        use crate::si::electric_potential as v;
51        use crate::si::mass as m;
52        use crate::si::quantities::*;
53        use crate::si::time as t;
54        use crate::tests::Test;
55
56        #[test]
57        fn check_dimension() {
58            let _: ElectricPotential<V> = Area::new::<a::square_meter>(V::one())
59                * Mass::new::<m::kilogram>(V::one())
60                / (ElectricCurrent::new::<i::ampere>(V::one())
61                    * (Time::new::<t::second>(V::one()) * Time::new::<t::second>(V::one())
62                        * Time::new::<t::second>(V::one())));
63        }
64
65        #[test]
66        fn check_units() {
67            test::<i::yottaampere, v::yoctovolt>();
68            test::<i::zettaampere, v::zeptovolt>();
69            test::<i::exaampere, v::attovolt>();
70            test::<i::petaampere, v::femtovolt>();
71            test::<i::teraampere, v::picovolt>();
72            test::<i::gigaampere, v::nanovolt>();
73            test::<i::megaampere, v::microvolt>();
74            test::<i::kiloampere, v::millivolt>();
75            test::<i::hectoampere, v::centivolt>();
76            test::<i::decaampere, v::decivolt>();
77            test::<i::ampere, v::volt>();
78            test::<i::deciampere, v::decavolt>();
79            test::<i::centiampere, v::hectovolt>();
80            test::<i::milliampere, v::kilovolt>();
81            test::<i::microampere, v::megavolt>();
82            test::<i::nanoampere, v::gigavolt>();
83            test::<i::picoampere, v::teravolt>();
84            test::<i::femtoampere, v::petavolt>();
85            test::<i::attoampere, v::exavolt>();
86            test::<i::zeptoampere, v::zettavolt>();
87            test::<i::yoctoampere, v::yottavolt>();
88
89            fn test<I: i::Conversion<V>, E: v::Conversion<V>>() {
90                Test::assert_approx_eq(&ElectricPotential::new::<E>(V::one()),
91                    &(Area::new::<a::square_meter>(V::one()) * Mass::new::<m::kilogram>(V::one())
92                        / (ElectricCurrent::new::<I>(V::one())
93                            * (Time::new::<t::second>(V::one()) * Time::new::<t::second>(V::one())
94                                * Time::new::<t::second>(V::one())))));
95            }
96        }
97    }
98}
uom/si/electric_potential.rs

uom/si/
electric_potential.rs
