//This is the HEADER FILE money.h This is the INTERFACE for the class Money.
//Values of this type are amounts of money in U.S. currency.
#ifndef MONEY_H
#define MONEY_H
#include <iostream.h>

class Money
{
public:
    friend Money operator +(const Money& amount1, const Money& amount2);
    //Returns the sum of the values of amount 1 and amount2.

    friend Money operator -(const Money& amount1, const Money& amount2);
    //Returns amount 1 minus amount2.

    friend Money operator -(const Money& amount);
    //Returns the negative of the value of amount.

    friend int operator ==(const Money& amount1, const Money& amount2);
    //Returns true if the amount1 and amount2 have the same value;

    friend int operator < (const Money& amount1, const Money& amount2);
    //Returns true if amount1 is less than amount2.

    Money(long dollars, int cents);
    //Initializes the object so its value represents an amount with
    //the dollars and cents given by the arguments. If the amount
    //is negative, then both dollars and cents should be negative.

    Money(long dollars);
    //Initializes the object so its value represents $dollars.00.

    Money( );
    //Initializes the object so its value represents $0.00.

    double get_value( ) const;
    //Returns the amount of money recorded in the data portion 
    //of the calling object.

    friend istream& operator >>(istream& ins, Money& amount);
    //Overloads the >> operator so it can be used to input values of type
    //Money. Notation for inputting negative amounts is as in -$100.00.
    //Precondition: If ins is a file input stream, then ins has 
    //already been connected to a file. 


    friend ostream& operator <<(ostream& outs, const Money& amount);
    //Overloads the << operator so it can be used to output values of type
    //Money. Precedes each output value of type Money with a dollar sign.
    //Precondition: If outs is a file output stream, then outs has 
    //already been connected to a file.
private:
    long all_cents;
};

#endif //MONEY_H