small error fixes

examples/max_rpm.rs

@@ -43,7 +43,7 @@ impl Flywheel {
     pub fn steel(radius: Length, thickness: Length) -> Self {
         Self {
             tensile_strength: Mega::<Pascal>::new(700.0),
-            density: Density::new::<KgPerCubicMeter>(7850.0),
+            density: KgPerCubicMeter::new(7850.0),
             radius,
             thickness,
         }
@@ -52,7 +52,7 @@ impl Flywheel {
     pub fn wood(radius: Length, thickness: Length) -> Self {
         Self {
             tensile_strength: Mega::<Pascal>::new(105.0),
-            density: Density::new::<KgPerCubicMeter>(700.0),
+            density: KgPerCubicMeter::new(700.0),
             radius,
             thickness,
         }
@@ -60,7 +60,7 @@ impl Flywheel {
 
     pub fn max_velocity(&self) -> Speed {
         let accel = self.tensile_strength / (self.density * PI.powf(2.0) * self.radius.square());
-        Speed::new::<MetersPerSecond>(accel.to_units::<units::MetersPerSecondPerSecond>().powf(0.5))
+        MetersPerSecond::new(accel.to_units::<units::MetersPerSecondPerSecond>().powf(0.5))
     }
 }
 

src/lib.rs

@@ -4,8 +4,6 @@ pub mod dimensions;
 pub mod units;
 pub mod prefixes;
 pub mod measurement;
-pub use units::unit;
-pub use prefixes::prefix_group;
 
 pub trait Unit<D> {
     fn new(v: f64) -> D;

src/prefixes.rs

@@ -3,6 +3,10 @@ use crate::{
     measurement::Measurement,
 };
 use core::marker::PhantomData;
+use core::ops::{
+    Mul,
+    Add,
+};
 
 #[macro_export]
 macro_rules! prefix_group{
@@ -36,7 +40,7 @@ macro_rules! prefix_group{
                 TEMPERATURE,
                 AMOUNT,
                 INTENSITY > {
-                    Measurement::new::<Self>(v)
+                    Measurement::new(v.mul(Self::scale()).add(Self::offset()))
                 }
                 fn scale() -> f64 {
                     $scale * T:: scale()

src/units.rs

@@ -2,7 +2,10 @@ use crate::{
     Unit,
     dimensions::*,
 };
-use core::ops::{Mul, Add};
+use core::ops::{
+    Mul,
+    Add,
+};
 
 const YEAR: f64 = 31_557_600.0;
 const DAY: f64 = 60.0 * 60.0 * 24.0;