public static Coupon as_coupon(CashFlow cf) { Coupon ret = new Coupon(NQuantLibcPINVOKE.as_coupon(CashFlow.getCPtr(cf)), true); if (NQuantLibcPINVOKE.SWIGPendingException.Pending) { throw NQuantLibcPINVOKE.SWIGPendingException.Retrieve(); } return(ret); }