/**
 * Demonstrates declaring and calling a method
 * @author Pete Nordquist
 * @version 100127
 */
public class W04N02
{
	/**	
	 * @param ft - temperature in Fahrenheit
	 * @return - temperature in Celcius
	 */
	public static double getCelsiusFor(double ft)
	{
		return 5.0/9*(ft - 32.0);
	}

	/**	
	 * @param num - number to raise to a power
	 * @param toRaiseTo - power to which to raise num
	 * @return - result of raising num to the toRaiseTo power
	 */
	public static double raiseToPower(double num, double toRaiseTo)
	{
		// the Math class has the method we need to do this job
		double returnValue;
		returnValue = Math.pow(num, toRaiseTo);
		return returnValue;
	}

	// main program
	public static void main(String[] args)
	{
		
		double temp;
		temp = IO.readDouble("Your temp> ");
  		// call getCelsiusfor() to convert our temp to Celcius
		// check temperature to see if it is above freezing
		//	 (zero degrees in Celcius)
		if (getCelsiusFor(temp) > 0.0)
		{
			System.out.println("above freezing");
		}
		else
		{
			System.out.println("freezing or below");
		}
		// get two numbers from the user
        double d1;
        double d2;
        double rslt;
        d1 = IO.readDouble("Double #1? ");
        d2 = IO.readDouble("Double #2? ");
        // call raiseToPower
        rslt = raiseToPower(d1, d2);
        // print the result
        System.out.println(rslt);
	}
}