import java.lang.* ;
import java.io.* ;

public class Bug
{

  static
    {
      System.loadLibrary ("bug") ;
    }

  public static native int returnInt ( int i );
  public static native float returnFloat ( float f );
  public static native double returnDouble ( double d );

  public static void main ( String [] argv )
    {
      // arg check
      if ( argv.length < 3 )
	{
	System.err.println ("Usage: java Bug intVal FloatVal DoubleVal\n");
	System.exit (1) ;
	}

      // read args from command line
      int i = Integer.parseInt (argv[0]) ;
      float f =  Float.parseFloat (argv[1]) ;
      double d = Double.parseDouble (argv[2]) ;

      // call functions and display return vals
      System.out.println ("Java Calling native returnInt ( " 
			  + i + " ) = " + returnInt (i) ) ;

      System.out.println ("Java Calling native returnFloat ( " 
			  + f + " ) = " + returnFloat (f) ) ;

      System.out.println ("Java Calling native returnDouble ( " 
			  + d + " ) = " + returnDouble (d) ) ;
    }
}