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src/Complex.java

+
+public class Complex {
+
+	double realno, imagno;
+	public Complex(double d, double e) {
+		// TODO Auto-generated constructor stub
+		realno = d;
+		imagno = e;
+	}
+
+	public Complex() {
+		// TODO Auto-generated constructor stub
+		realno = 0;
+		imagno = 0;
+	}
+	
+	public void setReal(double q) {
+		realno = q;
+	}
+	public void setImag(double q) {
+		imagno = q;
+	}
+
+
+	public double real() {
+		// TODO Auto-generated method stub
+		return realno;
+		
+	}
+
+	public double imag() {
+		// TODO Auto-generated method stub
+		return imagno;
+	}
+
+	public double magnitude() {
+		// TODO Auto-generated method stub
+		return Math.sqrt((Math.pow(realno, 2) + Math.pow(imagno, 2)));
+		
+	}
+
+	public Object argument() {
+		return Math.atan2(realno, imagno);
+	}
+
+	public Complex add(Complex b) {
+		// TODO Auto-generated method stub
+		this.realno = this.realno + b.realno;
+		
+		this.imagno = this.imagno + b.imagno;
+		
+		return this;
+		
+	}
+	
+	public String toString() {
+		String realno = "";
+		String imagno = "";
+		String Sign = "";
+		
+		if(this.realno ==0) {
+			realno = "";
+		} else if(this.realno > 0) {
+			realno = "" + this.realno;
+		} else if(this.realno > 0) {
+			realno = "" + (Math.sqrt(Math.pow(this.realno, 2)));
+		}
+		if(this.imagno < 0) {
+			Sign = " - ";
+		}else if(this.imagno > 0) {
+			Sign = " + ";
+		}else {
+			Sign = "";
+		}
+		
+		if(this.realno == 0) {
+			Sign = "";
+		}
+		if(this.imagno == 0) {
+			imagno = "";
+		}else if(this.imagno != 0) {
+			double l = Math.sqrt(Math.pow(this.imagno, 2));
+			imagno = "j" + l;
+			}
+		return (realno + Sign + imagno);
+	}
+
+
+}