/*-----------------------------------------------------------------------*/
/* */
/* HOMEWORK: 6 - Chapter 9 */
/* */
/* Name: Mike Chappell */
/* */
/* Class: C Programming, Cybercourse, Fall 2006 */
/* */
/* Date: 10/20/06 */
/* */
/* Description: Program which determines gross Pay, calculates */
/* overtime and outputs a formated answer for */
/* multiple data sets using arrays and */
/* functions and structures. */
/* */
/*-----------------------------------------------------------------------*/
#include <stdio.h>
/* Define Symbolic Constants */
#define EMP_NUM 5 /* Define number of employees as 5 */
#define OT_RATE 1.5 /* Define Overtime Rate as 1.5 */
#define FULL_TIME 40 /* Define Full Time as 40 */
/* Define stuctures */
struct employee
{
int id_number;
float wage;
float hours;
float overtime;
float gross;
};
struct employee emp[EMP_NUM] =
{
{98401, 10.60},
{526488, 9.75},
{765349, 10.5},
{634645, 12.25},
{127615, 8.35}
};
/*************************************************************************/
/* */
/* Function: prog_msg */
/* */
/* Purpose: Displays program message */
/* */
/* Parameters: nothing */
/* */
/* Returns: nothing */
/* */
/*************************************************************************/
void prog_msg (void)
{
printf("This program will calculate employee wages.\n\n");
return;
}
/*************************************************************************/
/* */
/* Function: collect_hours */
/* */
/* Purpose: Obtains input from user, the number of hours */
/* worked for each employee and stores the result */
/* in an array that is passed back to the calling */
/* program by reference. */
/* */
/* Parameters: id_number - Array of employee clock numbers */
/* hours - Array of hours worked by employee */
/* */
/* Returns: Nothing, since 'id_number' & 'hours' arrays are */
/* passed by reference. */
/* */
/*************************************************************************/
void collect_hours (struct employee id[])
{
int index; /* variable used as a loop counter */
for (index = 0; index < EMP_NUM; ++index)
{
printf ("Enter the number of hours worked by employee # %06i: ", id[index].id_number);
scanf ("%f", &id[index].hours);
}
printf("\n");
return;
}
/*************************************************************************/
/* */
/* Function: calc_ot_hours */
/* */
/* Purpose: Calculates the number of overtime hours given the number */
/* of hours worked. Overtime hours are the number of hours */
/* worked after 40 hrs. */
/* */
/* Parameters: hours - Number of hours worked. */
/* */
/* Returns: The number of overtime hours. */
/* */
/*************************************************************************/
void calc_ot_hours (struct employee emp[])
{
int index; /* variable used as a loop counter */
for (index = 0; index < EMP_NUM; index++)
{
if (emp[index].hours > FULL_TIME)
{
emp[index].overtime = emp[index].hours - FULL_TIME;
}
else
{
emp[index].overtime = 0;
}
}
}
/*************************************************************************/
/* */
/* Function: calc_gross_pay */
/* */
/* Purpose: Calculates gross pay including overtime given the number */
/* of hours an employee works and wage rate. */
/* */
/* Parameters: hours - Array of Number of hours worked by employees */
/* wage - Array of Hourly rates of employees. */
/* OT_Wage - Array of gross pay amounts for employees. */
/* */
/* Returns: Nothing since the gross_pay array is passed by reference */
/* */
/*************************************************************************/
void calc_gross_pay(struct employee emp[])
{
int index; /*variable used as a loop counter*/
calc_ot_hours (emp);
for (index = 0; index < EMP_NUM; index++)
{
if (emp[index].overtime >0)
emp[index].gross = (emp[index].overtime * emp[index].wage * OT_RATE) + (FULL_TIME * emp[index].wage);
else
emp[index].gross = emp[index].wage * emp[index].hours;
}
}
/*************************************************************************/
/* */
/* Function: output */
/* */
/* Purpose: Outputs in a table format the following: */
/* - Employee Clock Number */
/* - wage Rate for Employee */
/* - Total hours worked by employee */
/* - Overtime hours */
/* - gross Pay */
/* */
/* Parameters: id_number - Array of employee clock numbers */
/* hours - Array of hours worked by employee */
/* gross - Array of gross pay for employees */
/* overtime - Array of OT hours */
/* wage - Array of employee wage rates */
/* */
/* Returns: Nothing. */
/* */
/*************************************************************************/
void output (struct employee emp[])
{
int index; /*variable used as a loop counter*/
printf ("\n-------------EMPLOYEE WAGES------------\n");
printf ("---------------------------------------\n");
printf ("Clock# Wage Hours OT Gross\n");
printf ("---------------------------------------\n");
for (index = 0; index < EMP_NUM; ++index)
{
printf("%.06i %6.2f %6.1f %6.1f %9.2f\n", emp[index].id_number,emp[index].wage,emp[index].hours,emp[index].overtime,emp[index].gross);
}
}
int main()
{
/*Declare and initialize arrays.*/
// int id_number[EMP_NUM] = {98401,526488,765349,34645,127615}; /*array of five employee clock numbers*/
// float wage[EMP_NUM] = {10.60,9.75,10.50,12.25,8.35}; /*array of hourly rate for each employee*/
/* Function call for Program Message */
prog_msg();
/* Function Call to get input from user */
collect_hours (emp);
/* Function Call to calculate overtime hours */
calc_gross_pay (emp);
/* Function Call to calculate gross pay */
output (emp);
}