#include <iostream.h>
#include <fstream.h>
#include <conio.h>


void pause (void) {

  cout << "Hit any key to continue...\n";
  getch ();

}



void output_results (double T,
                     double pressure, double u_sub_f, double u_sub_g) {

  cout << "\nAt " << T << " degrees C:\n"
       << "  Pressure = " << pressure << " bar\n"
       << "  u sub f = " << u_sub_f << " KJ/kg\n"
       << "  u sub f = " << u_sub_g << " KJ/kg\n";

}


void main (void) {

  const int capacity = 100;
  double temperatures[capacity], pressures[capacity],
         u_sub_f[capacity], u_sub_g[capacity],
         T;
  int table_size;

  if (!read_in_table(capacity, temperatures, pressures,
                               u_sub_f, u_sub_g, table_size)) {
    cout << "\nUnable for read table - program execution terminated.\n";
    pause ();
    return;
  }

  cout << "\nTable successfully read.\n"
       << "The table contains " << table_size << " entries.\n"
       << "Temperatures run from " << temperatures[0] << " degrees C to "
       << temperatures[table_size - 1] << " degrees C.\n";

  for (;;) {

    cout << "\nEnter temperature (-999 to end): ";
    cin >> T;

    if (T == -999) {
      return;
    }

    calculate_and_output
        (table_size, temperatures, pressures, u_sub_f, u_sub_g, T);

  }

}