div method
Implementation
Complex div(Complex b1) {
var a = real;
var b = imaginary;
var c = b1.real;
var d = b1.imaginary;
var t, x;
if (0 == d) {
return Complex(real: a / c, imaginary: b / c);
}
if (c.abs() < d.abs()) {
x = c / d;
t = c * x + d;
return Complex(real: (a * x + b) / t, imaginary: (b * x - a) / t);
} else {
x = d / c;
t = d * x + c;
return Complex(real: (a + b * x) / t, imaginary: (b - a * x) / t);
}
}