Converting numbers to months

Posted on 16th Feb 2014 07:03 pm by admin

The porgram works -just need the last function(month_convert_ to convert numbers to months -thanks.

#include
#include
#include

using namespace std;

const int END_YEAR = 2014;
const int START_YEAR = 2009;
/*******************************************************************************

Funtion month - displays the months in numbers - if ivalid letter is
entered continues loop until valid letter is entered

*******************************************************************************/
int months ();

/*******************************************************************************

Funtion yearReading - Takes 2009 and 2014 and error checks the year of subscription
if te year is Below 2009 or above 2014 will issue the erro _ invalda month.
*******************************************************************************/
int yearReading (int& date);

#include
#include
#include

using namespace std;

const int END_YEAR = 2014;
const int START_YEAR = 2009;
/*******************************************************************************

Funtion month - displays the months in numbers - if ivalid letter is
entered continues loop until valid letter is entered

*******************************************************************************/
int months ();

/*******************************************************************************

Funtion yearReading - Takes 2009 and 2014 and error checks the year of subscription
if te year is Below 2009 or above 2014 will issue the erro _ invalda month.
*******************************************************************************/
int yearReading (int& date);

/*******************************************************************************

Funtion - subcriber_month - Takes 2009 and 2014 and error checks the year of subscription
if te year is Below 2009 or above 2014 will issue the erro _ invalda month.
*******************************************************************************/
int subcriber_month (int& buy_month);

/*******************************************************************************

Funtion - yearReading - five year span from 2004 to 2009 -if improper dates
are enter program should output - invalid year.
*******************************************************************************/
double yearReading ( double& start_date);

int month_conversion(int monthly, int monthly1);

int main()
{

int convert_month;
int subscribe_info;
int order_date;

int monthNumber;
int currentYear;
int begin_date;

int monthNumber1;//reuse function months
int expire_month;

double expire_year;
double buyYear;
double buy_year;

string firstName;
string lastName;

cout << endl;
cout <<" Enter subscriber first name ";
getline (cin, firstName);
cout <<" Enter subscriber last name ";
getline (cin, lastName);
monthNumber = months();
currentYear = yearReading(begin_date);

subscribe_info = subcriber_month ( order_date);
monthNumber1 = months();
buy_year = yearReading (buyYear);
convert_month = month_conversion( monthNumber,monthNumber1);

cout << fixed << showpoint << setprecision(2) << endl;
cout << endl << endl << endl;
cout <<" Current Date "< cout <<" " << lastName<<" "<< firstName << endl << endl;
cout <<" Start Subscription: " << monthNumber1 << " " ;
cout << static_cast(buyYear) <
if(monthNumber1 == 1) {
expire_month = monthNumber1 + 11;
} else
expire_month = monthNumber1 - 1;

expire_year = buyYear + subscribe_info;

cout <<" Expiration Date " < (expire_year);

cout << endl;

cout< cout << "Press [enter] to exit" < cin.ignore(); //needed because of keyboard input
cin.get();
return 0;
}

char ch,ch1,ch2,ch3;

int months ( ){
bool valid;
char ch, ch2, ch3, ch4;
int number;
cout << endl;
do {
cout << endl;
valid = true;
cout <<" Enter first letter of the subscription month ";
cin >> ch1;

switch (toupper(ch1)) {

case 'F': case 'f':
number = 2;
break;

case 'O': case 'o':
number = 10;
break;

case 'S':case 's':
number = 9;
break;

case 'N': case 'n':
number = 11;
break;

case 'D': case 'd':
number = 12;
break;

break;

case 'A':
case 'a':
cout << " Enter a second letter: ";
cin >> ch1;

switch (toupper(ch1)){

case 'P' :case 'p':
number = 04;
break;

case 'U': case 'u':
number = 8;
break;
}
break; //Break switch for April and August

case 'J': case 'j': // January, June, or July

cout << " Enter a second letter: ";
cin >> ch1;

switch (toupper(ch1)) { //Second switch for January, June and July

case 'A': case 'a':
number = 1;
break;

case 'U':
case 'u':
cout << " Enter a third letter: ";
cin >> ch2;

switch (toupper(ch2)) { //switch inside switch for June and July

case 'N': case 'n':
number = 06;
break;

case 'L': case 'l':
number = 07;
break;

}
break; //break from inside switch

}
break; //break from inner switch

case 'M':
case 'm':
cout << " Enter a second letter ";
cin >> ch2;

cout <<" Enter a third letter ";
cin >> ch3;

switch (toupper(ch3)) {

case 'R': case 'r':
number = 03;
break;

case 'Y': case 'y':
number = 05;
break;

}
break;

default:

valid = false;
}
if (valid)
{return number;}
else
{cout << " Invalid number";}
} while (true);

}

int yearReading ( int& date) {

cout <<" Enter subscription start year ";
cin >> date;
cout <

if ((START_YEAR > date)||( END_YEAR < date ))
{cout <<" Invalid year"< else
return date;
}
int subcriber_month (int& buy_month) {
int purchase_month;

cout <<" Enter the number of years subcribed " ;
cin >> purchase_month;
return purchase_month;

}

double yearReading ( double& start_date) {

const int BUY_YEAR = 2004;
cout <<" Enter subscription start year ";
cin >> start_date;

if (( start_date < BUY_YEAR)||( START_YEAR < start_date ))
{cout <<" Invalid year" < else
return start_date;
}

int month_conversion(int monthly, int monthly1) {

int November;
int number;

switch (toupper(ch1)) {
case 'J': // figure out Jan, June, or July
number = 1; //Jan for now
break;
case 'A': // April or Aug?
number = 4; // guess April
break;

case 'p': // April or Aug?
number = 8; // guess April
break;

case 'F': case 'f':
number = 2; // February
break;

case 'O': case 'o':
number = 10; // October
break;

case 'S':case 's':
number = 9;
break;

case 'N': case 'n':
number = November;
break;
case 'D':case 'd':
number = 12;
cout << endl;
break;

}

return number;

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Converting numbers to months

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