Min & max limit check before applying value

src/XPSAxis.cpp

@@ -241,6 +241,7 @@ namespace XPSAxis_ns
     // restore limits
     double llmin  = yat4tango::PropertyHelper::get_memorized_attribute<double>(this, "softLimitMin", yat::IEEE_NAN);
     double llmax  = yat4tango::PropertyHelper::get_memorized_attribute<double>(this, "softLimitMax", yat::IEEE_NAN);
+	if (! yat::is_nan (llmin) && ! yat::is_nan (llmax))
       positioner->set_tango_min_max_limits (llmin, llmax);
 
     // restore velocity