AssignmentFour

/**
 * 
 */

/**
 * @author Kumin
 *
 */
import java.util.Scanner;
import java.math.*;
import java.io.File;
import java.io.FileNotFoundException;

public class AssignmentFour {
	/**
	 * @param args
	 */
	public static void main(String[] args) throws FileNotFoundException {
		System.out.println("Kumin In, CECS 174, Assignment Four");
		Scanner sc = null;
		int counter = 0;
		double sum = 0, min = 0, max = 0;
		boolean firstTime = true;
		try {
			sc = new Scanner(new File(args[0]));
			while (sc.hasNextDouble()) {
				double x = sc.nextDouble();
				if (firstTime == true) {
					max = x;
					min = x;
					firstTime = false;
				} else if (min > x) {
					min = x;
				} else if (max < x) {
					max = x;
				}
				sum = sum + x;
				counter++;
				FahrenheightToCelsiusConverter(x);
				CelsiusToFahrenheightConverter(x);
				NewtonRaphsonMethod(x);
				System.out.print("Sqrt of " + x + " by math.sqrt is "
						+ Math.sqrt(x) + "\n\n");
			}
			SumAndAverage(sum, counter);
			System.out.print("Minimum is: " + min + "\nMaximum is: " + max);
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		// TODO Auto-generated method stub
	}

	public static void CelsiusToFahrenheightConverter(double Celsius) {
		double Fahrenheight = ((Celsius * 9) / 5) + 32;
		System.out.print(Celsius + " degrees Celsius = " + Fahrenheight
				+ " degrees FahrenHeight\n");
	}

	public static void FahrenheightToCelsiusConverter(double Fahrenheight) {
		double Celsius = ((Fahrenheight - 32) * 5) / 9;
		System.out.print(Fahrenheight + " degrees Fahrenhieght = " + Celsius
				+ " degrees Celsius\n");
	}

	public static void NewtonRaphsonMethod(double x) {
		double epsilon = 1e-10;
		double x1 = x;
		int counter = 0;
		if (x > 0) {
			while ((x1 - (x / x1) > (epsilon * x1))) {
				x1 = (x / x1 + x1) / 2.0;
				counter++;
			}
			System.out.println("Sqrt of " + x + " by Newton/Raphson is " + x1
					+ " after " + counter + " iterations.");
		}
		if (x < 0) {
			System.out.println("Sqrt of " + x + " is not a real number");
		}
	}

	public static void SumAndAverage(double sum, int counter) {
		double average = sum / counter;
		System.out.println("Sum is " + sum + ", count is " + counter
				+ ", average is " + average);
	}
}