/* S01BA_P0W_F C++ Header Example Program.
 *
 * Copyright 2019 Numerical Algorithms Group.
 * Mark 27, 2019.
 */

#include <nag.h>
#include <nagad.h>
#include <stdio.h>
#include <string>
#include <iostream>
using namespace std;

int main(void)
{
  int exit_status = 0;

  // Input and output variables
  double x, y;

  cout << "S01BA_P0W_F C++ Header Example Program Results\n\n";
  // Skip heading in data file
  string mystr;
  getline (cin, mystr);

  // Read number of x values
  Integer n;
  cin >> n;

  Integer ifail = -1;
  void    *ad_handle = 0;

  cout << "       x       y=ln(1+x)\n";
  cout.setf(ios::scientific,ios::floatfield);
  cout.setf(ios::right);
  cout.precision(4);
    
  // Loop over x values
  for (Integer i = 0; i < n; ++i) {
    // Read next x
    cin >> x;

    // Call NAG AD Routine
    ifail = -1;
    s01ba_p0w_f_(ad_handle,x,y,ifail);
    if (ifail != 0) {
      exit_status = 2;
      goto END;
    }
    
    cout.width(12);  cout << x;
    cout.width(12);  cout << y << endl;
  }

 END:
  return exit_status;
}