add inertial units + squared, cubed, and inverse properties of values

build.gradle

@@ -39,7 +39,7 @@ publishing {
 		release(MavenPublication) {
 			groupId = 'org.team4099'
 			artifactId = 'falconutils'
-			version = '1.1.7'
+			version = '1.1.8'
 
 			from(components["kotlin"])
 		}

src/main/kotlin/org/team4099/lib/controller/ArmFeedforward.kt

@@ -12,7 +12,6 @@ import org.team4099.lib.units.derived.VelocityFeedforward
 import org.team4099.lib.units.derived.Volt
 import org.team4099.lib.units.derived.inRadians
 import org.team4099.lib.units.derived.inVolts
-import org.team4099.lib.units.derived.inVoltsPerRadian
 import org.team4099.lib.units.derived.inVoltsPerRadianPerSecond
 import org.team4099.lib.units.derived.inVoltsPerRadianPerSecondPerSecond
 import org.team4099.lib.units.derived.perRadianPerSecondPerSecond

src/main/kotlin/org/team4099/lib/units/Value.kt

@@ -11,6 +11,15 @@ value class Value<T : UnitKey>(val value: Double) : Comparable<Value<T>> {
   inline val sign: Double
     get() = sign(value)
 
+  inline val inverse: Value<Inverse<T>>
+    get() = Value(1 / value)
+
+  inline val squared: Value<Squared<T>>
+    get() = Value(value * value)
+
+  inline val cubed: Value<Cubed<T>>
+    get() = Value(value * value * value)
+
   inline operator fun plus(o: Value<T>): Value<T> = Value(value + o.value)
   inline operator fun minus(o: Value<T>): Value<T> = Value(value - o.value)
 

src/main/kotlin/org/team4099/lib/units/derived/Characterization.kt

@@ -3,7 +3,6 @@ package org.team4099.lib.units.derived
 import org.team4099.lib.units.Acceleration
 import org.team4099.lib.units.Fraction
 import org.team4099.lib.units.UnitKey
-import org.team4099.lib.units.Unitless
 import org.team4099.lib.units.Value
 import org.team4099.lib.units.Velocity
 import org.team4099.lib.units.base.Ampere

src/main/kotlin/org/team4099/lib/units/derived/Inertia.kt

@@ -0,0 +1,20 @@
+package org.team4099.lib.units.derived
+
+import org.team4099.lib.units.Product
+import org.team4099.lib.units.Squared
+import org.team4099.lib.units.Value
+import org.team4099.lib.units.base.Kilogram
+import org.team4099.lib.units.base.Meter
+
+typealias Inertia = Product<Kilogram, Squared<Meter>>
+
+typealias MomentOfInertia = Value<Inertia>
+
+inline val Double.momentOfInertia
+  get() = MomentOfInertia(this)
+
+inline val Number.momentOfInertia
+  get() = MomentOfInertia(this.toDouble())
+
+inline val MomentOfInertia.asKilogramsPerMeterSquared
+  get() = value

src/test/kotlin/team4099/units/InertiaTest.kt

@@ -0,0 +1,19 @@
+package team4099.units
+
+import org.junit.jupiter.api.Test
+import org.team4099.lib.units.base.grams
+import org.team4099.lib.units.base.inches
+import org.team4099.lib.units.derived.MomentOfInertia
+import org.team4099.lib.units.derived.asKilogramsPerMeterSquared
+import org.team4099.lib.units.kilo
+
+class InertiaTest {
+
+  private val kEpsilon = 1E-9
+
+  @Test
+  fun testInertia() {
+    val inertia: MomentOfInertia = 1.0.kilo.grams * 3.0.inches.squared
+    println(inertia.asKilogramsPerMeterSquared)
+  }
+}