Question

How to set fixed format with precision of N for double value in C++

Answer 1

#include <iostream>
#include <iomanip>

using std::cout;
using std::endl;

int main()
{
	double f = 782.123456789;

	cout << std::setprecision(7) << std::fixed << f << endl;

	return 0;
}

/*
run:

782.1234568

*/

 

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