Divide <code>this</code> quaternion by <code>b</code>.
<p>
The division expressed using the inverse is performed in the following way:
<p>
<code>this = this * b^-1</code>, where <code>b^-1</code> is the inverse of <code>b</code>.
@param b
the {@link Quaterniond} to divide this by
@return this
Divide <code>this</code> quaternion by <code>b</code>. <p> The division expressed using the inverse is performed in the following way: <p> <code>this = this * b^-1</code>, where <code>b^-1</code> is the inverse of <code>b</code>.
@param b the {@link Quaterniond} to divide this by @return this