Zachary Levy
53 lines
1.5 KiB
Rust
53 lines
1.5 KiB
Rust
use generate_quantity::quantity_type;
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use crate::quantity::{Quantity, Value};
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const VOLT_MV_RATIO: u16 = 1_000;
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//----- Volts ----------------------------------
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quantity_type! {Volts, "V"}
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impl<V: Value> Volts<V> {
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#[inline]
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pub fn to_milli_volts(self) -> MilliVolts<V> {
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let multiplier = V::from_u16(VOLT_MV_RATIO).unwrap();
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MilliVolts(self.0 * multiplier)
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}
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}
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//----- Millivolts ----------------------------------
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quantity_type! {MilliVolts, "mV"}
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impl<V: Value> MilliVolts<V> {
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pub fn to_volts(self) -> Volts<V> {
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let divisor = V::from_u16(VOLT_MV_RATIO).unwrap();
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Volts(self.0 / divisor)
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}
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}
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// ---------------------------------------------------------------------------------------------------------------------
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// ----- Tests ------------------------
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// ---------------------------------------------------------------------------------------------------------------------
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#[cfg(test)]
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mod tests {
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use float_cmp::assert_approx_eq;
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use super::*;
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#[test]
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fn convert_u32() {
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let volts: Volts<u32> = 3.volts();
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let millivolts: MilliVolts<u32> = 3_000.milli_volts();
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assert_eq!(volts.to_milli_volts().0, millivolts.0);
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assert_eq!(millivolts.to_volts().0, volts.0);
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}
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#[test]
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fn convert_f64() {
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let volts: Volts<f64> = 3.0.volts();
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let millivolts: MilliVolts<f64> = 3_000.0.milli_volts();
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assert_approx_eq!(f64, volts.to_milli_volts().0, millivolts.0);
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assert_approx_eq!(f64, millivolts.to_volts().0, volts.0);
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}
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}
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