/** Divide two complex numbers, in-place */
public Complex divi(Complex c, Complex result) {
float d = c.re * c.re + c.im * c.im;
float newre = (re * c.re + im * c.im) / d;
float newim = (im * c.re - re * c.im) / d;
result.re = newre;
result.im = newim;
return result;
}
public Complex divi(float v, Complex result) {
if (this == result) {
re /= v;
im /= v;
} else {
result.re = re / v;
result.im = im / v;
}
return this;
}
public Complex log() {
float phase = arg();
if (phase > Math.PI) phase -= 2.0f * Math.PI;
return Complex.polar((float) Math.log(abs()), phase);
}
public Complex powi(Complex z) {
double ex = Math.pow(Math.E, z.real());
return new Complex((float) (ex * Math.cos(z.imag())), (float) (ex * Math.sin(z.imag())));
}