//********************************************************
//
// Assignment 5 - Functions
//
// Name: Peter McCartney
//
// Class: C Programming, Spring 2025
//
// Date: February 28, 2025
//
// Description: Program which determines overtime and
// gross pay for a set of employees with outputs sent
// to standard output (the screen).
//
// Functions called by a combination of by value and by
// reference.
//
//********************************************************
#include <stdio.h>
// constants
#define SIZE 5
#define OVERTIME_RATE 1.5f
#define STD_WORK_WEEK 40.0f
// function prototypes
float getHours (long int clockNumber);
void printHeader (void);
void printEmp (long int clockNumber[], float wageRate[], float hours[],
float overtimeHrs[], float grossPay[], int theSize);
float calcOvertime(float hours);
float calcGross(float wageRate, float hours, float overtimeHrs);
int main()
{
// Variable Declarations
long int clockNumber[SIZE] = {98401,526488,765349,34645,127615}; // ID
float grossPay[SIZE]; // gross pay
float hours[SIZE]; // hours worked in a given week
int i; // loop and array index
float overtimeHrs[SIZE]; // overtime hours
float wageRate[SIZE] = {10.60,9.75,10.50,12.25,8.35}; // hourly wage rate
// process each employee
for (i = 0; i < SIZE; ++i)
{
// read in hours for the current employee
hours[i] = getHours (clockNumber[i]);
// TODO: Function call to calculate overtime hours
overtimeHrs[i] = calcOvertime(hours[i]);
// TODO: Function call to calculate gross pay
grossPay[i] = calcGross(wageRate[i], hours[i], overtimeHrs[i]);
}
// Print the header info
printHeader();
// Print all the employees - call by reference
printEmp (clockNumber, wageRate, hours,
overtimeHrs, grossPay, SIZE);
return (0);
} // main
//**************************************************************
// Function: getHours
//
// Purpose: Obtains input from user, the number of hours worked
// per employee and stores the result in a local variable
// that is passed back to the calling function.
//
// Parameters: clockNumber - The unique employee ID
//
// Returns: hoursWorked - hours worked in a given week
//
//**************************************************************
float getHours (long int clockNumber)
{
float hoursWorked; // hours worked in a given week
// Read in hours for employee
printf("\nEnter hours worked by emp # %06li: ", clockNumber
); scanf ("%f", &hoursWorked
);
// return hours back to the calling function
return (hoursWorked);
} // getHours
//**************************************************************
// Function: printHeader
//
// Purpose: Prints the initial table header information.
//
// Parameters: none
//
// Returns: void
//
//**************************************************************
void printHeader (void)
{
printf ("\n\n*** Pay Calculator ***\n");
// print the table header
printf("\nClock# Wage Hours OT Gross\n"); printf("------------------------------------------------\n");
} // printHeader
//*************************************************************
// Function: printEmp
//
// Purpose: Prints out all the employee information in a
// nice and orderly table format.
//
// Parameters:
//
// clockNumber - Array of employee clock numbers
// wageRate - Array of employee wages per hour
// hours - Array of number of hours worked by an employee
// overtimeHrs - Array of overtime hours for each employee
// grossPay - Array of gross pay calculations for each employee
// theSize - Number of employees to process
//
// Returns: Nothing (call by reference)
//
//**************************************************************
void printEmp (long int clockNumber[], float wageRate[], float hours[],
float overtimeHrs[], float grossPay[], int theSize)
{
int i; // loop index
// access and print each employee
for (i = 0; i < theSize; ++i)
{
printf("%06d %5.2f %5.1f %5.1f %8.2f\n", clockNumber[i], wageRate[i], hours[i], overtimeHrs[i], grossPay[i]);
}
}
//**************************************************************
// Function: calcOvertime
//
// Purpose: Calculates how many overtime hours were worked in a week.
//
// Parameters: hours - how many hours an employee worked in a week.
//
// Returns: overTime - how many overtime hours they had that week
//
//**************************************************************
float calcOvertime(float hours){
float overTime = hours - STD_WORK_WEEK;
if (overTime > 0) {
return (overTime);
} else {
return (0.0);
}
}
//**************************************************************
// Function: calcGross
//
// Purpose: Calculates an employee's gross pay based on wage rate, hours worked,
// And overtime hours worked.
//
// Parameters: wageRate - How much an employee is paid per hour
// hours - How many total hours were worked in a week
// overtimeHrs - How many overtime hours were worked in a week
//
// Returns: grossPay - the employee's total pay for the week
//
//**************************************************************
float calcGross(float wageRate, float hours, float overtimeHrs){
float grossPay = wageRate * (hours - overtimeHrs) +
wageRate * OVERTIME_RATE * overtimeHrs;
return (grossPay);
}
// TODO: Add other functions here as needed
// ... remember your comment block headers for each function