#ifndef HEADER_INCLUDED__model_tools_H
#define HEADER_INCLUDED__model_tools_H

namespace model_tools
{
	// Calculate Nash-Sutcliff efficiency
	double			CalcEfficiency(double *obs, double *sim, int size);

	// Produce a random number within the given lower and upper bound
	// Don't forget to initialize the random function before calling
	// this function with: srand((unsigned) time(NULL)); // using time.h
	// include 'stdlib.h' and 'time.h' in the calling program
	double			Random_double(double lb, double ub);
};


#endif /* HEADER_INCLUDED__model_tools_H */