public StructComplex Minus(StructComplex x)
{
StructComplex y;
y.im = im - x.im;
y.re = re - x.re;
return(y);
}
public StructComplex Multi(StructComplex x)
{
StructComplex y;
y.im = re * x.im + im * x.re;
y.re = re * x.re - im * x.im;
return(y);
}
public StructComplex Plus(StructComplex x)
{
StructComplex y;
y.im = im + x.im;
y.re = re + x.re;
return(y);
}