InfNaN.java Source code

Introduction

Here is the source code for InfNaN.java

Source

/**
 * Show INFINITY and NaN
 * @author Ian F. Darwin, http://www.darwinsys.com/
 * @version $Id: InfNaN.java,v 1.4 2004/02/09 03:33:57 ian Exp $
 */
public class InfNaN {
    //+
    public static void main(String[] argv) {
        double d = 123;
        double e = 0;
        if (d / e == Double.POSITIVE_INFINITY)
            System.out.println("Check for POSITIVE_INFINITY works");
        double s = Math.sqrt(-1);
        if (s == Double.NaN)
            System.out.println("Comparison with NaN incorrectly returns true");
        if (Double.isNaN(s))
            System.out.println("Double.isNaN() correctly returns true");
    }
    //-
}