Java Angle Difference angleDif(double a1, double a2)

Description

Compute the difference between two angles.

License

Open Source License

Declaration

public static double angleDif(double a1, double a2) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {
    /** Compute the difference between two angles.
     * The resulting angle is in the range of -pi..+pi if the input angle are
     * also in this range.//from  w  w w . j  a  v  a  2  s  .c  o  m
     */
    public static double angleDif(double a1, double a2) {
        double val = a1 - a2;
        if (val > Math.PI) {
            val -= 2. * Math.PI;
        }
        if (val < -Math.PI) {
            val += 2. * Math.PI;
        }
        return val;
    }
}

Related

1. angleDif(float a, float b)
2. angleDif(float a1, float a2)
3. angleDiff(double a, double b)
4. angleDiff(double alpha, double beta)