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Diffstat (limited to 'src/metric/frequency.rs')
-rw-r--r-- | src/metric/frequency.rs | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/metric/frequency.rs b/src/metric/frequency.rs new file mode 100644 index 0000000..c35f874 --- /dev/null +++ b/src/metric/frequency.rs @@ -0,0 +1,59 @@ +use std::fmt::{Display, Formatter, Result}; +use std::ops::{Add, Sub, AddAssign, SubAssign, Div, Mul, DivAssign, MulAssign}; + +use crate::metric::Unit; +use crate::metric::Primitive; + +use crate::declare_unit_basics; + +use crate::metric::time::Time; + +#[derive(Copy, Clone, Debug, PartialOrd, PartialEq)] +pub enum Frequency { + Base(f64, fn(f64) -> f64, &'static str), + Canonical(f64), + Hertz(f64), + Becquerel(f64), +} + +impl Unit<Frequency> for Frequency { + fn to_si_unit(&self) -> Frequency { + match self { + Frequency::Base(_, _, _) => self.clone(), + Frequency::Canonical(value) => Frequency::Base(value.clone(), |x| x, "Hz"), + Frequency::Hertz(value) => Frequency::Base(value.clone(), |x| x, "Hz"), + Frequency::Becquerel(value) => Frequency::Base(value.clone(), |x| x, "Bq"), + } + } +} + +declare_unit_basics!(Frequency); + +// 1/s = Hz +impl Div<Time> for f64 { + type Output = Frequency; + + fn div(self, rhs: Time) -> Self::Output { + Frequency::Canonical(self * rhs.to_si_primitive()) + } +} + +// Hz * s = 1 +impl Mul<Time> for Frequency { + type Output = f64; + + fn mul(self, rhs: Time) -> Self::Output { + self.to_si_primitive() * rhs.to_si_primitive() + } +} + +// s * Hz = 1 +impl Mul<Frequency> for Time { + type Output = f64; + + fn mul(self, rhs: Frequency) -> Self::Output { + self.to_si_primitive() * rhs.to_si_primitive() + } +} + +pub type Activity = Frequency;
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