Loop Problem

[josh26757]

You changed your code since your OP. I still get two warnings with VC2008 with the code you currently have.

You're still passing a double as an int apparently.

(110) : warning C4244: 'argument' : conversion from 'double' to 'int', possible loss of data
(73) : warning C4715: 'PaymentSelection' : not all control paths return a value

Does this fix it?

#include <cstdlib>
#include <iostream>
#include "math.h"
#define year 12
#define MinInterest .03
#define DaysInCycle 30

using namespace std;
// Displays Program Header
void menu()
{
   cout<<"@@@@@@@@@@@@@@@@@@@@\n"
       <<"@                  @\n"
       <<"@   Credit         @\n"
       <<"@    Card          @\n"
       <<"@     Payoff       @\n"
       <<"@      Calculater  @\n"
       <<"@                  @\n"
       <<"@@@@@@@@@@@@@@@@@@@@\n";
       
}  
//Gets Bill Total
double bill_total()
{
 double total;
 system("CLS");
 menu();
 cout << "Please Enter The Total Amount:";
 cin >> total;
 total = ceil(total);
 return total;
}
// Gets APR
double APR()
{
  system("CLS");
  menu();
  double APR;
  cout << "Please Enter APR:";
  cin >> APR;
  APR = ceil(APR);
  return APR;
}
//Gets User's Payment If PaymentSelection == 2
double GetPayment()
{
  double ammount;
  system("CLS");
  menu();
  cout << "Please Enter Payment Ammount:";
  cin >> ammount;
  return ammount;
}
//Calculates Minimum Payment
double CalculateMinPayment(double total)
{
  return (total*MinInterest);
}
//User Selects Set Ammount Or Minimum Payment Style
double PaymentSelection(double total)
{
  int choice;
  do{
  system("CLS");
  menu();
  cout << "1.Minimum Payment 2.Set Payment\n";
  cin >> choice;
  if(choice==1)
  return CalculateMinPayment(total);
  else if(choice==2)
  return GetPayment();
  }while(choice!=1||choice!=2);
} 
//Finale Calculation
void calculate(double APR, double Payment, double Total)
{
  //initilize
  double TotalInterest=0, MonthlyInterest=0, Principal=0, AverageDailyBalance=0, TotalPaid=0;
  double month=1.0;
  
  //loop tell total is paid
  while(Total>0){
  //calculate monthly APR
  APR = ceil(APR);
  //calculate monthly interest
  MonthlyInterest = (APR/year) / 100;
  //calculate Average Daily Balance
  AverageDailyBalance = Total / DaysInCycle;
  //Find Total Interest Paid
  TotalInterest = AverageDailyBalance * MonthlyInterest;
  //round total interest
  TotalInterest = ceil(TotalInterest);
  //Calculate principal paid
  Principal = (Payment-TotalInterest);
  //Calculate total for next month bill
  Total = (Total-Principal);
  //Keep track of total paid
  TotalPaid = TotalPaid + Payment;
  month++;}
  
  system("CLS");
  cout<<"It will take you "<<(month/12)<<" years to pay off the ammount.\n";
  cout<<"And it will cost you "<<TotalPaid<<"$"<<" total\n";
  
}
int main(int argc, char *argv[])
{
   menu();
   double total = bill_total();
   calculate(APR(),PaymentSelection(total),total);
   system("PAUSE");
   return EXIT_SUCCESS;
}