* imaginary (q) part. The real part is essentially the cosine of the
* angle and the imaginary part is the sine of the angle. The returned
* values are scaled by 2^16 for precision. The range for theta is
* imaginary (q) part. The real part is essentially the cosine of the
* angle and the imaginary part is the sine of the angle. The returned
* values are scaled by 2^16 for precision. The range for theta is