+ MY_XYZ->Y() + theArg->y(), MY_XYZ->Z() + theArg->z()));
+ return aResult;
+}
+
+const boost::shared_ptr<GeomAPI_XYZ> GeomAPI_XYZ::decreased(
+ const boost::shared_ptr<GeomAPI_XYZ>& theArg)
+{
+ boost::shared_ptr<GeomAPI_XYZ> aResult(new GeomAPI_XYZ(MY_XYZ->X() - theArg->x(),
+ MY_XYZ->Y() - theArg->y(), MY_XYZ->Z() - theArg->z()));