complex.java

java实现图像处理各种常用操作

//Complex.java

//复数的定义
class Complex {
	
	public double re;
	public double im;
	
	Complex(){
		this.re=0;
		this.im=0;
	}
	Complex(double re){
		this.re=re;
		this.im=re;
	}
	Complex(double re,double im){
		this.re=re;
		this.im=im;
	}
	
	public void setRE(double re){
		this.re=re;
	}
	public void setIM(double im){
		this.im=im;
	}
	public double getRE(){
		return this.re;
	}
	public double getIM(){
		return this.im;
	}
	
	//复数加法	
	Complex Add(Complex c1,Complex c2){
		Complex c=new Complex(0,0);
		c.re=c1.re+c2.re;
		c.im=c1.im+c2.im;
		return c;
		}
	//复数减法
	Complex Sub(Complex c1,Complex c2){
		Complex c=new Complex(0,0);
		c.re=c1.re-c2.re;
		c.im=c1.im-c2.im;
		return c;
	}
	//复数乘法
	Complex Mul(Complex c1,Complex c2){
		Complex c=new Complex(0,0);
		c.re=c1.re*c2.re-c1.im*c2.im;
		c.im=c1.re*c2.im+c2.re*c1.im;
		//c=Sub(c1,c2);
		return c;
	}
}