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iomanip setbase() function in C++ with Examples

  • Last Updated : 10 Oct, 2019
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The setbase() method of iomaip library in C++ is used to set the ios library basefield flag based on the argument specified as the parameter to this method.

Syntax:

setbase (int base)

Parameters: This method accepts base as a parameter which is the integer argument corresponding to which the base is to be set. 10 stands for dec, 16 stands for hex, 8 stands for oct, and any other value stands for 0 (reset).

Return Value: This method does not returns anything. It only acts as stream manipulators.

Example 1:






// C++ code to demonstrate
// the working of setbase() function
  
#include <iomanip>
#include <ios>
#include <iostream>
  
using namespace std;
  
int main()
{
  
    // Initializing the integer
    int num = 50;
  
    cout << "Before set: \n"
         << num << endl;
  
    // Using setbase()
    cout << "Setting base to hex"
         << " using setbase: \n"
         << setbase(16)
         << num << endl;
  
    return 0;
}
Output:
Before set: 
50
Setting base to hex using setbase: 
32

Example 2:




// C++ code to demonstrate
// the working of setbase() function
  
#include <iomanip>
#include <ios>
#include <iostream>
  
using namespace std;
  
int main()
{
  
    // Initializing the integer
    int num = 50;
  
    cout << "Before set: \n"
         << num << endl;
  
    // Using setbase()
    cout << "Setting base to oct"
         << " using setbase: \n"
         << setbase(8)
         << num << endl;
  
    return 0;
}
Output:
Before set: 
50
Setting base to oct using setbase: 
62

Reference: http://www.cplusplus.com/reference/iomanip/setbase/

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