package com.test.coreJava.util.num;

public class sineHyperbolic {

    /**
     * 形如 sinh x=(e^x-e^-x)/2　的函数称为
     * 双曲线正弦函数（sine hyperbolic）
     */
    public boolean matchSinh(double x,double y){
        boolean result=false;
        if(y==this.getSinh(x))result=true;
        return result;
    }
    public double getSinh(double x){
        double e=Math.E;//
        double y=e,result;
        for(int i=1;i<x;i++)
            y*=e;
        result=(y-1/y)/2;
        return result;
    }
    public static void main(String[] args) {
        sineHyperbolic sinh=new sineHyperbolic();
        System.out.println(sinh.matchSinh(2, 3.6268604078470186));
        System.out.println(sinh.matchSinh(2, 3.6));
    }

}