public class exampleAP2a{
        public static void main(String args[]){
		double x=1.0D, yp=0.0D, ym=-0.0D, z1, z2, z3, z4;
		z1=x/yp;
		System.out.println("yp = "+yp+"\t:"+LongHex(yp));
		System.out.println("z1 = "+z1+"\t:"+LongHex(z1));
		z2=x/ym;
		System.out.println("ym = "+ym+"\t:"+LongHex(ym));
		System.out.println("z2 = "+z2+"\t:"+LongHex(z2));
		z3=yp/ym;
		System.out.println("z3 = "+z3+"\t:"+LongHex(z3));
		z4=z1 + z2;
		System.out.println("z4 = "+z4+"\t:"+LongHex(z4));
	}
// double型の変数の値を16進で表示
	static String LongHex(double x){
		return Long.toHexString(Double.doubleToLongBits(x));
	}
}