Set precision for float number : float output « Data Type « C++

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C++ » Data Type » float output

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Set precision for float number

  

#include <iostream>

#include <iomanip>

using namespace std; 

int main(void){

   int i;

   float value = 1.2345;



   for (i = 0; i < 4; i++)

     cout << setprecision(i) << value << '\n';

}

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4.	Output float in default floating-point format
5.	Floating-point values in system default, scientific, and fixed formats.
6.	Controlling precision of floating-point values

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