Java atan atanAlternative(double y, double x)

Description

atan Alternative

License

Apache License

Declaration

private static double atanAlternative(double y, double x) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {
    private final static double piHalf = Math.PI / 2;

    private static double atanAlternative(double y, double x) {
        if (x == 0) {
            if (y < 0) {
                return -piHalf;
            } else {
                return piHalf;
            }//w ww  .  j a v a2 s.  co m
        }
        return Math.atan(y / x);
    }
}

Related

1. atan(int f)
2. atan(Integer a)
3. atan(Number x)
4. atan_66s(double x)
5. atan_mag1(double x)
6. atanD(final double arg)