amortize.cpp

《C/C＋＋程序设计导论（第二版）》一书的程序源文件

// ASSUMPTION: loan rate is yearly, payments are made monthly
#include <iostream.h>
#include "finance.h"
const float MONTHS = 12.0;

void main ()
{	float rate, principal, num_payments, accum;
	float yearly_rate, balance, payment, month=1;
	cout << "enter loan principal, rate, and number of payments: ";
	cin >> principal >> yearly_rate >> num_payments;

	rate = yearly_rate / MONTHS;
	payment = Payment (principal, rate, num_payments);
	cout << "Payment is: " << payment << endl;
	cout << "Amortization of " << principal << " over " <<
 		num_payments << " at a rate of " << rate << endl;
	cout << " Month  Balance  Accumulated-Interest" << endl;
	cout << " ----------------------------------------------" << endl;

	while (month <= num_payments)
	{	Amortize (accum, balance, rate, payment, principal, month);
		cout << month << "   " << balance << "   " << accum << endl;
		month = month + 1;
	}
}