From 3e4fb93a594f11a80904653396698d6c70e07cb0 Mon Sep 17 00:00:00 2001
From: Niklas Halle <niklas@niklashalle.net>
Date: Sat, 31 Oct 2020 20:44:44 +0100
Subject: Initial public release

---
 src/metric.rs | 137 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 137 insertions(+)
 create mode 100644 src/metric.rs

(limited to 'src/metric.rs')

diff --git a/src/metric.rs b/src/metric.rs
new file mode 100644
index 0000000..209c31c
--- /dev/null
+++ b/src/metric.rs
@@ -0,0 +1,137 @@
+pub mod area;
+pub mod mass;
+pub mod time;
+pub mod force;
+pub mod power;
+pub mod energy;
+pub mod length;
+pub mod volume;
+pub mod pressure;
+pub mod velocity;
+pub mod frequency;
+pub mod inductance;
+pub mod capacitance;
+pub mod conductance;
+pub mod illuminance;
+pub mod plane_angle;
+pub mod solid_angle;
+pub mod temperature;
+pub mod acceleration;
+pub mod absorbed_dose;
+pub mod luminous_flux;
+pub mod magnetic_flux;
+pub mod electric_charge;
+pub mod dose_equivalent;
+pub mod electric_current;
+pub mod catalytic_activity;
+pub mod electric_potential;
+pub mod luminous_intensity;
+pub mod electric_resistance;
+pub mod amount_of_substance;
+pub mod magnetic_flux_density;
+
+pub use area::*;
+pub use mass::*;
+pub use time::*;
+pub use force::*;
+pub use power::*;
+pub use energy::*;
+pub use length::*;
+pub use volume::*;
+pub use pressure::*;
+pub use velocity::*;
+pub use frequency::*;
+pub use inductance::*;
+pub use capacitance::*;
+pub use illuminance::*;
+pub use plane_angle::*;
+pub use solid_angle::*;
+pub use temperature::*;
+pub use acceleration::*;
+pub use luminous_flux::*;
+pub use magnetic_flux::*;
+pub use electric_charge::*;
+pub use dose_equivalent::*;
+pub use electric_current::*;
+pub use catalytic_activity::*;
+pub use electric_potential::*;
+pub use luminous_intensity::*;
+pub use electric_resistance::*;
+pub use amount_of_substance::*;
+pub use magnetic_flux_density::*;
+
+use crate::declare_unit_square;
+use crate::declare_unit_multiplication;
+
+use std::ops::{Div, Mul};
+
+/* ---------------------------------------- unit traits ---------------------------------------- */
+
+pub trait Unit<Physical> {
+    fn to_si_unit(&self) -> Physical;
+}
+
+pub trait Primitive {
+    fn to_si_primitive(&self) -> f64;
+}
+
+/* -------------------------------------- here be dragons -------------------------------------- */
+/*                                    (unit-interoperability)                                    */
+
+
+// derived units without special names
+// m * m² => m³
+declare_unit_multiplication!(Length, Area, Volume);
+// m * m => m²
+declare_unit_square!(Length, Area);
+// v = m/s * s => m
+declare_unit_multiplication!(Velocity, Time, Length);
+// accel * s = m/s² * s = m/s => v
+declare_unit_multiplication!(Acceleration, Time, Velocity);
+
+// kg * m/s² => N
+declare_unit_multiplication!(Mass, Acceleration, Force);
+// N * m => J
+declare_unit_multiplication!(Force, Length, Energy);
+// katal * s = mol/s * s => mol
+declare_unit_multiplication!(CatalyticActivity, Time, AmountOfSubstance);
+// A * s => C
+declare_unit_multiplication!(ElectricCurrent, Time, ElectricCharge);
+// lux = lm/m² * m² => lm
+declare_unit_multiplication!(Illuminance, Area, LuminousFlux);
+
+// Pa * m² = N/m² * m² => N
+declare_unit_multiplication!(Pressure, Area, Force);
+// W * s = J/s * s => J
+declare_unit_multiplication!(Power, Time, Energy);
+// Wb * s = V/s * s => V
+declare_unit_multiplication!(MagneticFlux, Time, ElectricPotential);
+// F * V = C/V * V => C
+declare_unit_multiplication!(Capacitance, ElectricPotential, ElectricCharge);
+// cd * sr => lumen
+declare_unit_multiplication!(LuminousIntensity, SolidAngle, LuminousFlux);
+
+// gray * kg = J/kg * kg => J
+// alias is DoseEquivalent, see below
+// Activity is an alias to Frequency, which has both Hertz and Becquerel
+// henry * A = Wb/A * A => Wb
+declare_unit_multiplication!(Inductance, ElectricCurrent, MagneticFlux);
+// V * A = W/A * A => W
+declare_unit_multiplication!(ElectricPotential, ElectricCurrent, Power);
+// Ω * A = V/A * A => V
+declare_unit_multiplication!(ElectricResistance, ElectricCurrent, ElectricPotential);
+
+// sievert * kg = J/kg * kg => J
+declare_unit_multiplication!(DoseEquivalent, Mass, Energy);
+// Hertz is in its file
+// tesla * m² = Wb/m² * m² => Wb
+declare_unit_multiplication!(MagneticFluxDensity, Area, MagneticFlux);
+// Conductance is in its file
+
+// extra conversions, because they work : TODO: add some more
+// Hz * m = m/s => v
+declare_unit_multiplication!(Frequency, Length, Velocity);
+// Pa * m² = N/m² * m³ = N*m => J
+declare_unit_multiplication!(Pressure, Volume, Energy);
+// C * V = A*s * W/A = W/s = J/s * 1/s => J
+declare_unit_multiplication!(ElectricCharge, ElectricPotential, Energy);
\ No newline at end of file
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