/**
* @param o the object to compare for equality
* @return true if this quaternion and the provided quaternion have roughly the same x, y, z and w
* values.
*/
@Override
public boolean equals(final Object o) {
if (this == o) {
return true;
}
if (!(o instanceof Quaternion)) {
return false;
}
final Quaternion comp = (Quaternion) o;
return Math.abs(x - comp.getX()) <= ALLOWED_DEVIANCE
&& Math.abs(y - comp.getY()) <= ALLOWED_DEVIANCE
&& Math.abs(z - comp.getZ()) <= ALLOWED_DEVIANCE
&& Math.abs(w - comp.getW()) <= ALLOWED_DEVIANCE;
}
/** Returns the dot product of this quaternion with the given quaternion */
public final float dot(final Quaternion quat) {
return dot(quat.getX(), quat.getY(), quat.getZ(), quat.getW());
}