Java Angle Reduce reduceAngle(double theta)

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Description

reduce Angle

License

Open Source License

Declaration 

public static final double reduceAngle(double theta)

Method Source Code

//package com.java2s;

public class Main {
    public static final double PI = Math.PI;
    public static final double TWOPI = Math.PI * 2;
    public static final double HALF_PI = PI / 2;

    public static final double reduceAngle(double theta) {
        theta %= TWOPI;//from   ww  w.  ja v a 2 s.co  m
        if (Math.abs(theta) > PI) {
            theta = theta - TWOPI;
        }
        if (Math.abs(theta) > HALF_PI) {
            theta = PI - theta;
        }
        return theta;
    }
}

Related

  1. reduceAngle(double theta)
  2. reduceAngle(float angle)
  3. reduceAngle(float theta)