Set and clear the showpoint flag : float output « Data Types « C++ Tutorial

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C++ Tutorial » Data Types » float output

2.11.2.Set and clear the showpoint flag

#include <iostream>



using namespace std;



int main()

{

  int x = 100;

  double f = 98.6;

  double f2 = 123456.0;

  double f3 = 1234567.0;



  // Set the showpoint flag.

  cout << "Setting showpoint flag.\n";

  cout.setf(ios::showpoint);

  cout << "f2 with showpoint set: " << f2 << "\n\n";



  cout << "Clearing the showpoint flag.\n\n";

  cout.unsetf(ios::showpoint);



  return 0;

}

2.11.float output
	2.11.1.	Set precision for float number output
	2.11.2.	Set and clear the showpoint flag
	2.11.3.	Controlling the printing of trailing zeros and decimal points for floating-point values.
	2.11.4.	Read and output float
	2.11.5.	pad the field width with spaces and set the internal and showpos flags

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