//  Program to illustrate functions in C++            April 10, 2006
//  Build a table that converts dollars to Euros.

#include <iostream.h>
#include <iomanip.h>

int main() {

  float exchange_rate;
  float dollars;    // Loop index
  float increment;  // Loop increment

  float Convert( float x, float y );

  cout << "Enter current Exchange Rate (dollars to Euros)" << endl;
  cin >> exchange_rate;
  cout << "Enter increment for conversion table)" << endl;
  cin >> increment;

  // Print header for table
  cout << "Dollars   Euros" << endl;

  // Build table for dollars to Euros in $20 increments
  for ( dollars = increment; dollars<=1000.0; dollars+=increment )
    cout << setw( 4 ) << setprecision( 6 ) << dollars << "   " <<
      setw( 8 ) << setprecision( 5) << Convert( dollars, exchange_rate )
      << endl;

  return 0;
}

// Definition of function Convert

float Convert( float Amount, float Rate ) {

  return Amount*Rate;

}