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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;
#[derive(Copy, Clone, Debug, PartialOrd, PartialEq)]
pub enum Energy {
Base(f64, fn(f64) -> f64, &'static str),
Canonical(f64),
Joule(f64),
KiloJoule(f64),
Calorie(f64),
Kilocalorie(f64),
}
impl Unit<Energy> for Energy {
fn to_si_unit(&self) -> Energy {
match self {
Energy::Base(_, _, _) => self.clone(),
Energy::Canonical(value) => Energy::Base(value.clone(), |x| x, "J"),
Energy::Joule(value) => Energy::Base(value.clone(), |x| x, "J"),
Energy::KiloJoule(value) => Energy::Base(value * 1000.0, |x| x / 1000.0, "kJ"),
Energy::Calorie(value) => Energy::Base(value * 4.184, |x| x / 4.184, "cal"),
Energy::Kilocalorie(value) => Energy::Base(value * 4184.0, |x| x / 4184.0, "kcal"),
}
}
}
declare_unit_basics!(Energy);
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