#include <Rcpp.h>
using namespace Rcpp;

// [[Rcpp::export]]
double returnMaxCpp(const NumericVector& x) {
    const int length = x.length(); // length of given vector x
    double temp_max = x[0];
    for(int i=0; i < length; ++i) {
        if (x[i] > temp_max) {
            temp_max = x[i];
        }
    }

    return(temp_max);
}