AngleUnit.java

// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
 
package org.wpilib.units;
 
import org.wpilib.units.measure.Angle;

// technically, angles are unitless dimensions
// eg MassUnit * DistanceUnit * VelocityUnit<AngleUnit> is equivalent to (MassUnit * DistanceUnit) /
// TimeUnit - otherwise known
// as PowerUnit - in other words, VelocityUnit<AngleUnit> is /actually/ Frequency
public final class AngleUnit extends Unit {
  AngleUnit(AngleUnit baseUnit, double baseUnitEquivalent, String name, String symbol) {
    super(baseUnit, baseUnitEquivalent, name, symbol);
  }
 
  AngleUnit(
      AngleUnit baseUnit,
      UnaryFunction toBaseConverter,
      UnaryFunction fromBaseConverter,
      String name,
      String symbol) {
    super(baseUnit, toBaseConverter, fromBaseConverter, name, symbol);
  }
 
  @Override
  public AngleUnit getBaseUnit() {
    return (AngleUnit) super.getBaseUnit();
  }
 
  @Override
  public Angle of(double magnitude) {
    return Angle.ofRelativeUnits(magnitude, this);
  }
 
  @Override
  public Angle ofBaseUnits(double baseUnitMagnitude) {
    return Angle.ofBaseUnits(baseUnitMagnitude, this);
  }
 
  @Override
  public AngularVelocityUnit per(TimeUnit period) {
    return AngularVelocityUnit.combine(this, period);
  }

  public <U extends Unit> PerUnit<AngleUnit, U> per(U other) {
    return PerUnit.combine(this, other);
  }

  public double convertFrom(double magnitude, AngleUnit otherUnit) {
    return fromBaseUnits(otherUnit.toBaseUnits(magnitude));
  }
 
  @Override
  public Angle zero() {
    return (Angle) super.zero();
  }
 
  @Override
  public Angle one() {
    return (Angle) super.one();
  }
}