double: Formatting aligns columns, pads blank spaces with '0' character, and controls precision of answer. : double output « Data Type « C++

1. C++
2. Data Type
3. double output

double: Formatting aligns columns, pads blank spaces with '0' character, and controls precision of answer.

   
#include <iostream>
#include <iomanip>
#include <math.h>
using namespace std;

main( )
{
 double number,square,sqroot;
  
 cout << "num\t" << "square\t\t" << "square root\n";

 number=1.0;
 cout.setf(ios::fixed);     

 for(int i=1;i<16;i++) {
   square=number*number;    
   sqroot=sqrt(number);     

   cout.fill('0');             // fill blanks with zeros
   cout.width(2);              // column 2 characters wide
   cout.precision(0);          // no decimal place
   cout << number << "\t";

   cout.width(6);              // column 6 characters wide
   cout.precision(1);          // print 1 decimal place
   cout << square << "\t\t";
  
     cout.width(8);          // column 8 characters wide
   cout.precision(6);          // print 6 decimal places
   cout << sqroot << endl;

   number+=1.0;
 }
 return (0);
}
  
    
    
  

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