public float tdotz(btVector3 v) { float ret = LinearMathPINVOKE.btMatrix3x3_tdotz(swigCPtr, btVector3.getCPtr(v)); if (LinearMathPINVOKE.SWIGPendingException.Pending) throw LinearMathPINVOKE.SWIGPendingException.Retrieve(); return ret; }