#ifndef HISTOGAM_INTERNAL_H_INCLUDED
#define HISTOGAM_INTERNAL_H_INCLUDED

#include <vector>
/*
void find_minmax(std::vector<double> numbers, double& min, double& max);
*/
void find_minmax(std::vector<double> numbers, double& min, double& max);
#endif // HISTOGAM_INTERNAL_H_INCLUDED