How to use us.ihmc.euclid.tuple4D

@Override
public void setOrientationToZero()
{
 orientation.setToZero();
}

 @Override
 public Quaternion initialValue()
 {
   return new Quaternion();
 }
};

@Override
public void setOrientation(QuaternionReadOnly orientation)
{
 this.orientation.set(orientation);
}

@Override
protected void setX(Quaternion data, double x)
{
 data.setUnsafe(x, data.getY(), data.getZ(), data.getS());
}

private Quaternion computeQuat1Quat2Quat1Conjugate(Quaternion quaternion1, Quaternion quaternion2)
{
 Quaternion quaternion1Inverse = new Quaternion(quaternion1);
 quaternion1Inverse.inverse();
 
 Quaternion quaternion1TimesQuaternion2 = new Quaternion();
 quaternion1TimesQuaternion2.multiply(quaternion1, quaternion2); 
 
 Quaternion quaternion1TimesQuaternion2TimesQuaternion1Inverse = new Quaternion();
 quaternion1TimesQuaternion2TimesQuaternion1Inverse.multiply(quaternion1TimesQuaternion2, quaternion1Inverse);
 return quaternion1TimesQuaternion2TimesQuaternion1Inverse;
}

/**
* Returns the value of the z-component of this quaternion.
*
* @return the z-component's value.
*/
@Override
public double getZ()
{
 return quaternion.getZ();
}

@Override
public double getQ_y()
{
 return orientation.getY();
}

/**
* Returns the value of the x-component of this quaternion.
*
* @return the x-component's value.
*/
@Override
public double getX()
{
 return quaternion.getX();
}

@Override
public double getQ_w()
{
 return orientation.getS();
}

@Override
public Quaternion32 createTuple(double x, double y, double z, double s)
{
 Quaternion32 quaternion = new Quaternion32();
 quaternion.setUnsafe(x, y, z, s);
 return quaternion;
}

@Override
public Quaternion32 createEmptyTuple()
{
 return new Quaternion32();
}

/**
* Sets the z-component of this vector.
*
* @param z the z-component.
*/
@Override
public void setZ(double z)
{
 vector.setZ(z);
}

  /**
  * Calculates and returns a hash code value from the value of each component of this frame
  * quaternion.
  *
  * @return the hash code value for this frame quaternion.
  */
  @Override
  public int hashCode()
  {
   return quaternion.hashCode();
  }
}

/**
* Sets the s-component of this vector.
*
* @param s the s-component.
*/
@Override
public void setS(double s)
{
 vector.setS(s);
}

/**
* Returns the value of the s-component of this vector.
*
* @return the s-component's value.
*/
@Override
public double getS()
{
 return vector.getS();
}

@Override
public Vector4D32 createEmptyTuple()
{
 return new Vector4D32();
}

@Override
public Quaternion createData()
{
 return new Quaternion();
}

  public void packOrientation(Quaternion orientation)
  {
   // FIXME used to be that before switching to EuclidCore
//      orientation.setW((this.orientation[0]));
//      orientation.setW((this.orientation[1]));
//      orientation.setW((this.orientation[2]));
//      orientation.setW((this.orientation[3]));
   orientation.set(this.orientation);
  }

@Override
protected double getZ(Quaternion data)
{
 return data.getZ();
}

/**
* Returns the value of the y-component of this quaternion.
*
* @return the y-component's value.
*/
@Override
public double getY()
{
 return quaternion.getY();
}