double value cout format : Double « Data Type « C++

1. C++
2. Data Type
3. Double

double value cout format

 



#include <iostream>
using namespace std;
int main()
{
   double x = 12.0;
   cout.precision(2);              // Precision 2
   cout << " By default:   " << x << endl;
   cout << " showpoint:  " << showpoint  << x << endl;
   cout << " fixed:      " << fixed      << x << endl;
   cout << " scientific: " << scientific << x << endl;
   return 0;
}  

           
         
  

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