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  1. //********************************************************
  2. //
  3. // Assignment 6 - Structures
  4. //
  5. // Name: Benjamin Lin
  6. //
  7. // Class: C Programming, Spring 2024
  8. //
  9. // Date: 4/18/2024
  10. //
  11. // Description: Program which determines overtime and 
  12. // gross pay for a set of employees with outputs sent 
  13. // to standard output (the screen).
  14. //
  15. // Call by Value design
  16. //
  17. //********************************************************
  18.  
  19. // Define and Includes
  20.  
  21. #include <stdio.h>
  22.  
  23. // Define Constants
  24. #define SIZE 5
  25. #define STD_HOURS 40.0
  26. #define OT_RATE 1.5
  27.  
  28. // Define a global structure to pass employee data between functions
  29. // Note that the structure type is global, but you don't want a variable
  30. // of that type to be global. Best to declare a variable of that type
  31. // in a function like main or another function and pass as needed.
  32.  
  33. struct employee
  34. {
  35.     long int clockNumber;
  36.     float wageRate;
  37.     float hours;
  38.     float overtimeHrs;
  39.     float grossPay;
  40. };
  41.  
  42. // define prototypes here for each function except main
  43. float getHours (long int clockNumber);
  44. void printHeader (void);
  45. void printEmp (long int clockNumber, float wageRate, float hours,
  46.                float overtimeHrs, float grossPay);
  47. float calcOT (float hours);
  48. float calcGross (float wageRate, float hours, float overtimeHrs);
  49.  
  50.  
  51. int main ()
  52. {
  53.     // Set up a local variable to store the employee information
  54.     struct employee employeeData[SIZE] = {
  55.         { 98401, 10.60 },
  56.         { 526488, 9.75 },
  57.         { 765349, 10.50 }, // initialize clock and wage values
  58.         { 34645, 12.25 },
  59.         { 127615, 8.35 }
  60.     };
  61.  
  62.     int i;  // loop and array index
  63.  
  64.     // Call functions as needed to read and calculate information
  65.     for (i = 0; i < SIZE; ++i) 
  66.     { 
  67.  
  68.        // Prompt for the number of hours worked by the employee
  69.        employeeData[i].hours = getHours (employeeData[i].clockNumber); 
  70.  
  71. 	   // Function call to calculate overtime hours
  72.        employeeData[i].overtimeHrs = calcOT (employeeData[i].hours);
  73.  
  74. 	   // Function call to calculate gross pay
  75. 	   employeeData[i].grossPay = calcGross (employeeData[i].wageRate, employeeData[i].hours, employeeData[i].overtimeHrs);
  76.  
  77.     } // for
  78.  
  79.     // Print the column headers
  80.     printHeader();
  81.  
  82.     // print out each employee
  83.     for (i = 0; i < SIZE; ++i) 
  84.     { 
  85.         printEmp (employeeData[i].clockNumber, 
  86.                   employeeData[i].wageRate, 
  87.                   employeeData[i].hours,
  88.                   employeeData[i].overtimeHrs, 
  89.                   employeeData[i].grossPay);
  90.     }
  91.  
  92.     return(0); // success
  93.  
  94. } // main
  95.  
  96. //**************************************************************
  97. // Function: getHours 
  98. // 
  99. // Purpose: Obtains input from user, the number of hours worked 
  100. // per employee and stores the result in a local variable 
  101. // that is passed back to the calling function. 
  102. // 
  103. // Parameters: clockNumber - The unique employee ID
  104. // 
  105. // Returns: hoursWorked - hours worked in a given week
  106. //  
  107. //**************************************************************
  108.  
  109. float getHours (long int clockNumber) 
  110. { 
  111.  
  112.     float hoursWorked; // hours worked in a given week
  113.  
  114.     // Read in hours for employee
  115.     printf("\nEnter hours worked by emp # %06li: ", clockNumber); 
  116.     scanf ("%f", &hoursWorked); 
  117.  
  118.     // return hours back to the calling function
  119.     return (hoursWorked);
  120.  
  121. } // getHours
  122.  
  123. //**************************************************************
  124. // Function: printHeader
  125. // 
  126. // Purpose: Prints the initial table header information.
  127. // 
  128. // Parameters: none
  129. // 
  130. // Returns: void
  131. //  
  132. //**************************************************************
  133.  
  134. void printHeader (void) 
  135. { 
  136.  
  137.     printf ("\n\n*** Pay Calculator ***\n");
  138.  
  139.     // print the table header
  140.     printf("\nClock# Wage  Hours  OT      Gross\n");
  141.     printf("------------------------------------------------\n");
  142.  
  143. } // printHeader
  144.  
  145.  
  146. //************************************************************* 
  147. // Function: printEmp 
  148. // 
  149. // Purpose: Prints out all the information for an employee
  150. // in a nice and orderly table format.
  151. // 
  152. // Parameters: 
  153. //
  154. //     clockNumber - unique employee ID
  155. //     wageRate - hourly wage rate
  156. //     hours - Hours worked for the week
  157. //     overtimeHrs - overtime hours worked in a week
  158. //     grossPay - gross pay for the week
  159. // 
  160. // Returns: void
  161. //  
  162. //**************************************************************
  163.  
  164. void printEmp (long int clockNumber, float wageRate, float hours,
  165.                 float overtimeHrs, float grossPay)
  166. {
  167.  
  168.     // Print out a single employee
  169.     printf("\n %06li %5.2f %4.1f %4.1f %8.2f",
  170.           clockNumber, wageRate, hours,
  171.           overtimeHrs, grossPay);
  172.  
  173. }  // printEmp
  174.  
  175. //**************************************************************
  176. // Function: calcOT
  177. // 
  178. // Purpose: Calculates overtime hours.
  179. // 
  180. // Parameters: hours - Hours worked for the week
  181. // 
  182. // Returns: overtimeHrs - hours worked overtime.
  183. //  
  184. //**************************************************************
  185. float calcOT (float hours)
  186. {
  187.  
  188. 		float overtimeHrs; // number of hours overtime
  189.  
  190. 		// find number of overtime hours and if yes calculate
  191.         if (hours >= STD_HOURS)
  192.         {
  193.             overtimeHrs = hours - STD_HOURS;
  194. 		}
  195. 		else
  196. 		{
  197. 			overtimeHrs = 0;
  198.  
  199. 		} // if
  200.  
  201. 		return (overtimeHrs);
  202.  
  203. } // calcOT
  204.  
  205.  
  206. //**************************************************************
  207. // Function: calcGross
  208. // 
  209. // Purpose: Calculates gross pay.
  210. // 
  211. // Parameters: 
  212. //
  213. //     wageRate - hourly wage rate
  214. //     hours - Hours worked for the week
  215. //     overtimeHrs - overtime hours worked in a week
  216. // 
  217. // Returns: grossPay - standard hours pay plus overtime pay
  218. //  
  219. //**************************************************************
  220. float calcGross (float wageRate, float hours, float overtimeHrs)
  221. {
  222. 		float grossPay;     // normal pay and overtime pay added
  223. 		float overtimePay;  // extra pay after 40 hours
  224. 		float normalPay;    // pay within 40 hours
  225. 		float overtimeRate; // 1.5x increased rate of pay when over 40 hours
  226.  
  227. 		// calculate gross pay based on having overtime or not
  228.         if (hours >= STD_HOURS)
  229.         {
  230.             normalPay = wageRate * STD_HOURS;
  231. 			overtimeRate = wageRate * OT_RATE;
  232. 			overtimePay = overtimeRate * overtimeHrs;
  233.  
  234.         }
  235.         else // no OT
  236.         {
  237.             overtimePay = 0;
  238.             normalPay = wageRate * hours;
  239.  
  240.         } // if
  241.  
  242.         // Calculate Gross Pay
  243.         grossPay = normalPay + overtimePay;
  244. 		return(grossPay);
  245.  
  246. } // calcGross
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51.0
42.5
37.0
45.0
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Enter hours worked by emp # 098401: 
Enter hours worked by emp # 526488: 
Enter hours worked by emp # 765349: 
Enter hours worked by emp # 034645: 
Enter hours worked by emp # 127615: 

*** Pay Calculator ***

Clock# Wage  Hours  OT      Gross
------------------------------------------------

 098401 10.60 51.0 11.0   598.90
 526488  9.75 42.5  2.5   426.56
 765349 10.50 37.0  0.0   388.50
 034645 12.25 45.0  5.0   581.88
 127615  8.35  0.0  0.0     0.00
https://ideone.com/6f1W2O
language:
C (gcc 8.3)
created:
13 days ago
visibility:
public

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