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-rw-r--r--src/metric/pressure.rs28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/metric/pressure.rs b/src/metric/pressure.rs
new file mode 100644
index 0000000..b28c87c
--- /dev/null
+++ b/src/metric/pressure.rs
@@ -0,0 +1,28 @@
+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 Pressure {
+ Base(f64, fn(f64) -> f64, &'static str),
+ Canonical(f64),
+ Pascal(f64),
+ Bar(f64),
+}
+
+impl Unit<Pressure> for Pressure {
+ fn to_si_unit(&self) -> Pressure {
+ match self {
+ Pressure::Base(_, _, _) => self.clone(),
+ Pressure::Canonical(value) => Pressure::Base(value.clone(), |x| x, "Pa"),
+ Pressure::Pascal(value) => Pressure::Base(value.clone(), |x| x, "Pa"),
+ Pressure::Bar(value) => Pressure::Base(value * 100_000.0, |x| x / 100_000.0, "bar"),
+ }
+ }
+}
+
+declare_unit_basics!(Pressure); \ No newline at end of file