code: public static Quaterniond from(double x, double y, double z, double w) {
           return x == 0 && y == 0 && z == 0 && w == 0 ? ZERO : new Quaterniond(x, y, z, w);
      }
docs: Creates a new quaternion from the double components.
  
  <p>The {@link #ZERO} constant is re-used when {@code x}, {@code y}, {@code z}, and {@code w} are 0.</p>
  
  @param x The x (imaginary) component
  @param y The y (imaginary) component
  @param z The z (imaginary) component
  @param w The w (real) component
  @return The quaternion created from the double components