Utility.cpp
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	#include <Utility.hpp>
	#include <cmath>


	double round(double x, int n)
	{ // should it be floored or ceiled
	int d = 0 ;
	if((x * pow(10, n+1)) - (floor(x * pow(10, n))) > 4)
	{ d = 1 ; }
	// rounding
	x = (floor(x * pow(10, n)) + d) / pow(10, n) ;
	return x ;
	}