
Function binding representing the output of a RooAbsIntegrator
| UInt_t | RooAbsFunc::_dimension | Number of observables |
| RooAbsIntegrator* | _integrator | Numeric integrator |
| Int_t | RooAbsFunc::_ncall | Function call counter |
| Bool_t | RooAbsFunc::_valid | Is binding in valid state? |

{ _ncall++ ; return _integrator->integral(xvector) ; }