//*********************************************
//this test use unsetf() to delete flag settings
//*********************************************

#include <iostream>
using namespace std;


int main(){
	float num;
	cout<<"insert float number bigger 10\n";
	cin>>num;
	cout.setf(ios::showpoint);
	cout.setf(ios::showpos|ios::scientific);
	cout<<"number you inserted is .. "<<num<<endl;
	cout<<"now display number whit no setting in stream\n";
	cout.unsetf(ios::showpoint|ios::showpos|ios::scientific);
	cout<<num<<endl;
	return 0;
}