Function lfactorial

inst/include/Rcpp/sugar/functions/math.h:56–56

    namespace internal{
        extern "C" inline double factorial( double x ){ return ::Rf_gammafn( x + 1.0 ) ; }
        extern "C" inline double lfactorial( double x ){ return ::Rf_lgammafn( x + 1.0 ) ; }
    }
}
VECTORIZED_MATH_1(factorial  , ::Rcpp::internal::factorial   )