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  1. //********************************************************
  2. //
  3. // Assignment 8 - Structures and Strings and Pointers
  4. //
  5. // Name: Robert Anderson
  6. //
  7. // Class: C Programming, Spring 2025
  8. //
  9. // Date: 04/03/2025
  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. // This assignment also adds the employee name, their tax state,
  16. // and calculates the state tax, federal tax, and net pay.   It
  17. // also calculates totals, averages, minimum, and maximum values.
  18. //
  19. // Array and Structure references are to be replaced with
  20. // pointer references to speed up the processing of this code.
  21. //
  22. // Call by Reference design (using pointers)
  23. //
  24. //********************************************************
  25.  
  26. // necessary header files
  27. #include <stdio.h>
  28. #include <string.h>
  29. #include <ctype.h>
  30.  
  31. // define constants
  32. #define SIZE 5
  33. #define STD_HOURS 40.0
  34. #define OT_RATE 1.5
  35. #define MA_TAX_RATE 0.05
  36. #define NH_TAX_RATE 0.0
  37. #define VT_TAX_RATE 0.06
  38. #define CA_TAX_RATE 0.07
  39. #define DEFAULT_TAX_RATE 0.08
  40. #define NAME_SIZE 20
  41. #define TAX_STATE_SIZE 3
  42. #define FED_TAX_RATE 0.25
  43. #define FIRST_NAME_SIZE 10
  44. #define LAST_NAME_SIZE 10
  45.  
  46. // Define a structure type to store an employee name
  47. // ... note how one could easily extend this to other parts
  48. // parts of a name:  Middle, Nickname, Prefix, Suffix, etc.
  49. struct name
  50. {
  51.     char firstName[FIRST_NAME_SIZE];
  52.     char lastName [LAST_NAME_SIZE];
  53. };
  54.  
  55. // Define a structure type to pass employee data between functions
  56. // Note that the structure type is global, but you don't want a variable
  57. // of that type to be global. Best to declare a variable of that type
  58. // in a function like main or another function and pass as needed.
  59. struct employee
  60. {
  61.     struct name empName;
  62.     char taxState [TAX_STATE_SIZE];
  63.     long int clockNumber;
  64.     float wageRate;
  65.     float hours;
  66.     float overtimeHrs;
  67.     float grossPay;
  68.     float stateTax;
  69.     float fedTax;
  70.     float netPay;
  71. };
  72.  
  73. // this structure type defines the totals of all floating point items
  74. // so they can be totaled and used also to calculate averages
  75. struct totals
  76. {
  77.     float total_wageRate;
  78.     float total_hours;
  79.     float total_overtimeHrs;
  80.     float total_grossPay;
  81.     float total_stateTax;
  82.     float total_fedTax;
  83.     float total_netPay;
  84. };
  85.  
  86. // this structure type defines the min and max values of all floating
  87. // point items so they can be display in our final report
  88. struct min_max
  89. {
  90.     float min_wageRate;
  91.     float min_hours;
  92.     float min_overtimeHrs;
  93.     float min_grossPay;
  94.     float min_stateTax;
  95.     float min_fedTax;
  96.     float min_netPay;
  97.     float max_wageRate;
  98.     float max_hours;
  99.     float max_overtimeHrs;
  100.     float max_grossPay;
  101.     float max_stateTax;
  102.     float max_fedTax;
  103.     float max_netPay;
  104. };
  105.  
  106. // define prototypes here for each function except main
  107.  
  108. // These prototypes have already been transitioned to pointers
  109. void getHours (struct employee * emp_ptr, int theSize);
  110. void printEmp (struct employee * emp_ptr, int theSize);
  111.  
  112. void calcEmployeeTotals (struct employee * emp_ptr,
  113.                          struct totals * emp_totals_ptr,
  114.                          int theSize);
  115.  
  116. void calcEmployeeMinMax (struct employee * emp_ptr,
  117.                          struct min_max * emp_MinMax_ptr,
  118.                          int theSize);
  119.  
  120. // This prototype does not need to use pointers
  121. void printHeader (void);
  122.  
  123.  
  124. // Prototypes transitioned from arrays to pointers, used to
  125. // calculate employee pay parameters
  126. void calcOvertimeHrs(struct employee * emp_ptr, int theSize);
  127. void calcGrossPay(struct employee * emp_ptr, int theSize);
  128. void calcStateTax(struct employee * emp_ptr, int theSize);
  129. void calcFedTax(struct employee * emp_ptr, int theSize);
  130. void calcNetPay(struct employee * emp_ptr, int theSize);
  131.  
  132. void printEmpStatistics (struct totals * emp_totals_ptr, struct min_max * emp_MinMax_ptr,
  133. 						int theSize);
  134.  
  135. int main ()
  136. {
  137.  
  138.     // Set up a local variable to store the employee information
  139.     // Initialize the name, tax state, clock number, and wage rate
  140.     struct employee employeeData[SIZE] = {
  141.         { {"Connie", "Cobol"}, "MA", 98401, 10.60},
  142.         { {"Mary", "Apl"}, "NH", 526488, 9.75 },
  143.         { {"Frank", "Fortran"}, "VT", 765349, 10.50 },
  144.         { {"Jeff", "Ada"}, "NY", 34645, 12.25 },
  145.         { {"Anton", "Pascal"},"CA",127615, 8.35 }
  146.     };
  147.  
  148.     // declare a pointer to the array of employee structures
  149.     struct employee * emp_ptr;
  150.  
  151.     // set the pointer to point to the array of employees
  152.     emp_ptr = employeeData;
  153.  
  154.     // set up structure to store totals and initialize all to zero
  155.     struct totals employeeTotals  = {0,0,0,0,0,0,0};
  156.  
  157.     // pointer to the employeeTotals structure
  158.     struct totals * emp_totals_ptr = &employeeTotals;
  159.  
  160.     // set up structure to store min and max values and initialize all to zero
  161.     struct min_max employeeMinMax = {0,0,0,0,0,0,0,0,0,0,0,0,0,0};
  162.  
  163.     // pointer to the employeeMinMax structure
  164.     struct min_max * emp_minMax_ptr = &employeeMinMax;
  165.  
  166.     // Call functions as needed to read and calculate information
  167.  
  168.     // Prompt for the number of hours worked by the employee 
  169.     getHours (employeeData, SIZE); 
  170.  
  171.     // Calculate the overtime hours
  172.     calcOvertimeHrs (employeeData, SIZE);
  173.  
  174.     // Calculate the weekly gross pay
  175.     calcGrossPay (employeeData, SIZE); 
  176.  
  177.     // Calculate the state tax                                       
  178.     calcStateTax (employeeData, SIZE);
  179.  
  180.     // Calculate the federal tax                                                   
  181.     calcFedTax (employeeData, SIZE);
  182.  
  183.     // Calculate the net pay after taxes   
  184.     calcNetPay (employeeData, SIZE); 
  185.  
  186.     // Keep a running sum of the employee totals
  187.     // Note the & to specify the address of the employeeTotals
  188.     // structure.  Needed since pointers work with addresses.
  189.     calcEmployeeTotals (employeeData, 
  190.                         &employeeTotals, 
  191.                         SIZE);
  192.  
  193.     // Keep a running update of the employee minimum and maximum values
  194.     calcEmployeeMinMax (employeeData, 
  195.                         &employeeMinMax,
  196.                         SIZE); 
  197.     // Print the column headers
  198.     printHeader();
  199.  
  200.     // print out final information on each employee
  201.     printEmp (employeeData, SIZE); 
  202.  
  203.     // TODO - Transition this call to using pointers.
  204.     //        Hint:  Pass the address of these two structures
  205.     //        like it is being done with calcEmployeeTotals
  206.     //        and calcEmployeeMinMax.
  207.  
  208.     // print the totals and averages for all float items
  209.     printEmpStatistics (&employeeTotals, 
  210.                         &employeeMinMax, 
  211.                         SIZE);
  212.  
  213.     return (0); // success
  214.  
  215. } // main
  216.  
  217. //**************************************************************
  218. // Function: getHours 
  219. // 
  220. // Purpose: Obtains input from user, the number of hours worked 
  221. //          per employee and updates it in the array of structures
  222. //          for each employee.
  223. // 
  224. // Parameters:
  225. //
  226. //   emp_ptr - pointer to array of employees (i.e., struct employee)
  227. //   theSize - the array size (i.e., number of employees)
  228. // 
  229. // Returns: void (the employee hours gets updated by reference)
  230. //  
  231. //**************************************************************
  232.  
  233. void getHours (struct employee * emp_ptr, int theSize) 
  234. { 
  235.  
  236.     int i;  // loop index
  237.  
  238.     // read in hours for each employee
  239.     for (i = 0; i < theSize; ++i)
  240.     {
  241.         // Read in hours for employee 
  242.         printf("\nEnter hours worked by emp # %06li: ", emp_ptr->clockNumber); 
  243.         scanf ("%f", &emp_ptr->hours); 
  244.  
  245.         // set pointer to next employee
  246.         ++emp_ptr;
  247.     }
  248.  
  249. } // getHours
  250.  
  251. //**************************************************************
  252. // Function: printHeader
  253. // 
  254. // Purpose: Prints the initial table header information.
  255. // 
  256. // Parameters: none
  257. // 
  258. // Returns: void
  259. //  
  260. //**************************************************************
  261.  
  262. void printHeader (void) 
  263. { 
  264.  
  265.     printf ("\n\n*** Pay Calculator ***\n");
  266.  
  267.     // print the table header
  268.     printf("\n--------------------------------------------------------------");
  269.     printf("-------------------");
  270.     printf("\nName                Tax  Clock# Wage   Hours  OT   Gross ");
  271.     printf("  State  Fed      Net");
  272.     printf("\n                   State                           Pay   ");
  273.     printf("  Tax    Tax      Pay");
  274.  
  275.     printf("\n--------------------------------------------------------------");
  276.     printf("-------------------");
  277.  
  278. } // printHeader
  279.  
  280. //************************************************************* 
  281. // Function: printEmp 
  282. // 
  283. // Purpose: Prints out all the information for each employee
  284. //          in a nice and orderly table format.
  285. // 
  286. // Parameters: 
  287. //
  288. //   emp_ptr - pointer to array of struct employee
  289. //   theSize - the array size (i.e., number of employees)
  290. // 
  291. // Returns: void
  292. //  
  293. //**************************************************************
  294.  
  295. void printEmp (struct employee * emp_ptr, int theSize)
  296. {
  297.  
  298.     int i;  // array and loop index
  299.  
  300.     // Used to format the employee name
  301.     char name [FIRST_NAME_SIZE + LAST_NAME_SIZE + 1];
  302.  
  303.     // read in hours for each employee
  304.     for (i = 0; i < theSize; ++i)
  305.     {
  306.         // While you could just print the first and last name in the printf
  307.         // statement that follows, you could also use various C string library
  308.         // functions to format the name exactly the way you want it.  Breaking
  309.         // the name into first and last members additionally gives you some 
  310.         // flexibility in printing.  This also becomes more useful if we decide
  311.         // later to store other parts of a person's name. I really did this just 
  312.         // to show you how to work with some of the common string functions.
  313.         strcpy (name, emp_ptr->empName.firstName);
  314.         strcat (name, " "); // add a space between first and last names
  315.         strcat (name, emp_ptr->empName.lastName);
  316.  
  317.         // Print out a single employee
  318.         printf("\n%-20.20s %-2.2s  %06li %5.2f  %4.1f  %4.1f %7.2f %6.2f %7.2f %8.2f",
  319.                name, emp_ptr->taxState, emp_ptr->clockNumber, 
  320.                emp_ptr->wageRate, emp_ptr->hours,
  321.                emp_ptr->overtimeHrs, emp_ptr->grossPay, 
  322.                emp_ptr->stateTax, emp_ptr->fedTax, 
  323.                emp_ptr->netPay);
  324.  
  325.         // set pointer to next employee
  326.         ++emp_ptr;
  327.  
  328.     } // for
  329.  
  330. } // printEmp
  331.  
  332. //************************************************************* 
  333. // Function: printEmpStatistics 
  334. // 
  335. // Purpose: Prints out the summary totals and averages of all 
  336. //          floating point value items for all employees
  337. //          that have been processed.  It also prints
  338. //          out the min and max values.
  339. // 
  340. // Parameters: 
  341. //
  342. //   employeeTotals - a structure containing a running total 
  343. //                    of all employee floating point items 
  344. //   employeeMinMax - a structure containing all the minimum 
  345. //                    and maximum values of all employee 
  346. //                    floating point items
  347. //   theSize - the total number of employees processed, used 
  348. //             to check for zero or negative divide condition.
  349. // 
  350. // Returns: void
  351. //  
  352. //**************************************************************
  353.  
  354. void printEmpStatistics (struct totals * emp_totals_ptr, struct min_max * emp_MinMax_ptr, int theSize)
  355. {
  356.  
  357.     // print a separator line
  358.     printf("\n--------------------------------------------------------------");
  359.     printf("-------------------");
  360.  
  361.     // print the totals for all the floating point fields
  362.     printf("\nTotals:                         %5.2f %5.1f %5.1f %7.2f %6.2f %7.2f %8.2f",
  363.            emp_totals_ptr->total_wageRate,
  364.            emp_totals_ptr->total_hours,
  365.            emp_totals_ptr->total_overtimeHrs,
  366.            emp_totals_ptr->total_grossPay,
  367.            emp_totals_ptr->total_stateTax,
  368.            emp_totals_ptr->total_fedTax,
  369.            emp_totals_ptr->total_netPay);
  370.  
  371.     // make sure you don't divide by zero or a negative number
  372.     if (theSize > 0)       
  373.     {
  374.         // print the averages for all the floating point fields
  375.         printf("\nAverages:                       %5.2f %5.1f %5.1f %7.2f %6.2f %7.2f %8.2f",
  376.                emp_totals_ptr->total_wageRate / theSize,
  377.                emp_totals_ptr->total_hours / theSize,
  378.                emp_totals_ptr->total_overtimeHrs / theSize,
  379.                emp_totals_ptr->total_grossPay / theSize,
  380.                emp_totals_ptr->total_stateTax / theSize,
  381.                emp_totals_ptr->total_fedTax / theSize,
  382.                emp_totals_ptr->total_netPay / theSize);
  383.     } // if
  384.  
  385.     // print the min and max values
  386.  
  387.     printf("\nMinimum:                        %5.2f %5.1f %5.1f %7.2f %6.2f %7.2f %8.2f",
  388.            emp_MinMax_ptr->min_wageRate,
  389.            emp_MinMax_ptr->min_hours,
  390.            emp_MinMax_ptr->min_overtimeHrs,
  391.            emp_MinMax_ptr->min_grossPay,
  392.            emp_MinMax_ptr->min_stateTax,
  393.            emp_MinMax_ptr->min_fedTax,
  394.            emp_MinMax_ptr->min_netPay);
  395.  
  396.     printf("\nMaximum:                        %5.2f %5.1f %5.1f %7.2f %6.2f %7.2f %8.2f",
  397.            emp_MinMax_ptr->max_wageRate,
  398.            emp_MinMax_ptr->max_hours,
  399.            emp_MinMax_ptr->max_overtimeHrs,
  400.            emp_MinMax_ptr->max_grossPay,
  401.            emp_MinMax_ptr->max_stateTax,
  402.            emp_MinMax_ptr->max_fedTax,
  403.            emp_MinMax_ptr->max_netPay);
  404.  
  405. }  // printEmpStatistics
  406.  
  407. //*************************************************************
  408. // Function: calcOvertimeHrs
  409. //
  410. // Purpose: Calculates the overtime hours worked by an employee
  411. //          in a given week for each employee.
  412. //
  413. // Parameters:
  414. //
  415. //   employeeData - array of employees (i.e., struct employee)
  416. //   theSize - the array size (i.e., number of employees)
  417. //
  418. // Returns: void (the overtime hours gets updated by reference)
  419. //
  420. //**************************************************************
  421.  
  422. void calcOvertimeHrs (struct employee * emp_ptr, int theSize)
  423. {
  424.  
  425.     int i;  // array and loop index
  426.  
  427.     // calculate overtime hours for each employee
  428.     for (i = 0; i < theSize; ++i)
  429.     {   
  430.         emp_ptr->overtimeHrs = (emp_ptr->hours > STD_HOURS) ? 
  431. 	(emp_ptr->hours - STD_HOURS) : 0;
  432.         ++emp_ptr;
  433.  
  434.     } // for
  435.  
  436. }  // calcOvertimeHrs
  437.  
  438. //*************************************************************
  439. // Function: calcGrossPay
  440. //
  441. // Purpose: Calculates the gross pay based on the the normal pay
  442. //          and any overtime pay for a given week for each
  443. //          employee.
  444. //
  445. // Parameters:
  446. //
  447. //   employeeData - array of employees (i.e., struct employee)
  448. //   theSize - the array size (i.e., number of employees)
  449. //
  450. // Returns: void (the gross pay gets updated by reference)
  451. //
  452. //**************************************************************
  453.  
  454. void calcGrossPay(struct employee * emp_ptr, int theSize)
  455. {
  456.     int i;                // loop and array index
  457.     float theNormalPay;   // normal pay without any overtime hours
  458.     float theOvertimePay; // overtime pay
  459.  
  460.     // calculate grossPay for each employee
  461.     for (i=0; i < theSize; ++i)
  462.     {
  463.         // calculate normal pay and any overtime pay
  464.         float normalPay = emp_ptr->wageRate * (emp_ptr->hours - emp_ptr->overtimeHrs);
  465.         float overtimePay = emp_ptr->overtimeHrs * emp_ptr->wageRate * OT_RATE;
  466.         emp_ptr->grossPay = normalPay + overtimePay;
  467.         ++emp_ptr;
  468.     }
  469.  
  470. } // calcGrossPay
  471.  
  472. //*************************************************************
  473. // Function: calcStateTax
  474. //
  475. // Purpose: Calculates the State Tax owed based on gross pay
  476. //          for each employee.  State tax rate is based on the 
  477. //          the designated tax state based on where the
  478. //          employee is actually performing the work.  Each
  479. //          state decides their tax rate.
  480. //
  481. // Parameters:
  482. //
  483. //   employeeData - array of employees (i.e., struct employee)
  484. //   theSize - the array size (i.e., number of employees)
  485. //
  486. // Returns: void (the state tax gets updated by reference)
  487. //
  488. //**************************************************************
  489.  
  490. void calcStateTax(struct employee * emp_ptr, int theSize)
  491. {
  492.  
  493.     int i; // loop and array index
  494.  
  495.     // calculate state tax based on where employee works
  496.     for (i=0; i < theSize; ++i)
  497.     {
  498.         // Make sure tax state is all uppercase
  499.         emp_ptr->taxState[0] = toupper(emp_ptr->taxState[0]);
  500.         emp_ptr->taxState[1] = toupper(emp_ptr->taxState[1]);
  501.  
  502.         if (strcmp(emp_ptr->taxState, "MA") == 0)
  503.             emp_ptr->stateTax = emp_ptr->grossPay * MA_TAX_RATE;
  504.         else if (strcmp(emp_ptr->taxState, "VT") == 0)
  505.             emp_ptr->stateTax = emp_ptr->grossPay * VT_TAX_RATE;
  506.         else if (strcmp(emp_ptr->taxState, "NH") == 0)
  507.             emp_ptr->stateTax = emp_ptr->grossPay * NH_TAX_RATE;
  508.         else if (strcmp(emp_ptr->taxState, "CA") == 0)
  509.             emp_ptr->stateTax = emp_ptr->grossPay * CA_TAX_RATE;
  510.         else
  511.             emp_ptr->stateTax = emp_ptr->grossPay * DEFAULT_TAX_RATE;
  512.  
  513.         ++emp_ptr;
  514.     } // for
  515.  
  516. } // calcStateTax
  517.  
  518. //*************************************************************
  519. // Function: calcFedTax
  520. //
  521. // Purpose: Calculates the Federal Tax owed based on the gross 
  522. //          pay for each employee
  523. //
  524. // Parameters:
  525. //
  526. //   employeeData - array of employees (i.e., struct employee)
  527. //   theSize - the array size (i.e., number of employees)
  528. //
  529. // Returns: void (the federal tax gets updated by reference)
  530. //
  531. //**************************************************************
  532.  
  533. void calcFedTax(struct employee * emp_ptr, int theSize)
  534. {
  535.  
  536.     int i;  // loop and array index
  537.  
  538.     // calculate the federal tax for each employee
  539.     for (i=0; i < theSize; ++i)
  540.     {
  541.         // Fed Tax is the same for all regardless of state
  542.         emp_ptr->fedTax = emp_ptr->grossPay * FED_TAX_RATE;
  543.         ++emp_ptr;
  544.  
  545.     } // for
  546.  
  547. } // calcFedTax
  548.  
  549. //*************************************************************
  550. // Function: calcNetPay
  551. //
  552. // Purpose: Calculates the net pay as the gross pay minus any
  553. //          state and federal taxes owed for each employee.
  554. //          Essentially, their "take home" pay.
  555. //
  556. // Parameters:
  557. //
  558. //   employeeData - array of employees (i.e., struct employee)
  559. //   theSize - the array size (i.e., number of employees)
  560. //
  561. // Returns: void (the net pay gets updated by reference)
  562. //
  563. //**************************************************************
  564.  
  565. void calcNetPay(struct employee * emp_ptr, int theSize) 
  566. {
  567.     int i;               // loop and array index
  568.     float theTotalTaxes; // the total state and federal tax
  569.  
  570.     // calculate the take home pay for each employee
  571.     for (i=0; i < theSize; ++i)
  572.     {
  573.         // calculate the total state and federal taxes
  574.         emp_ptr->netPay = emp_ptr->grossPay - (emp_ptr->stateTax + emp_ptr->fedTax);
  575.         ++emp_ptr;
  576.  
  577.     } // for
  578.  
  579. } // calcNetPay
  580.  
  581. //*************************************************************
  582. // Function: calcEmployeeTotals
  583. //
  584. // Purpose: Performs a running total (sum) of each employee
  585. //          floating point member in the array of structures 
  586. //
  587. // Parameters:
  588. //
  589. //   emp_ptr - pointer to array of employees (structure)
  590. //   emp_totals_ptr - pointer to a structure containing the 
  591. //                    running totals of all floating point
  592. //                    members in the array of employee structure
  593. //                    that is accessed and referenced by emp_ptr
  594. //   theSize - the array size (i.e., number of employees)
  595. //
  596. // Returns: 
  597. //
  598. //   void (the employeeTotals structure gets updated by reference)
  599. //
  600. //**************************************************************
  601.  
  602. void calcEmployeeTotals (struct employee * emp_ptr,
  603.                          struct totals * emp_totals_ptr,
  604.                          int theSize)
  605. {
  606.  
  607.     int i; // loop index
  608.  
  609.     // total up each floating point item for all employees
  610.     for (i = 0; i < theSize; ++i)
  611.     {
  612.         // add current employee data to our running totals
  613.         emp_totals_ptr->total_wageRate += emp_ptr->wageRate;
  614.         emp_totals_ptr->total_hours += emp_ptr->hours;
  615.         emp_totals_ptr->total_overtimeHrs += emp_ptr->overtimeHrs;
  616.         emp_totals_ptr->total_grossPay += emp_ptr->grossPay;
  617.         emp_totals_ptr->total_stateTax += emp_ptr->stateTax;
  618.         emp_totals_ptr->total_fedTax += emp_ptr->fedTax;
  619.         emp_totals_ptr->total_netPay += emp_ptr->netPay;
  620.  
  621.         // go to next employee in our array of structures
  622.         // Note:  We don't need to increment the emp_totals_ptr
  623.         //        because it is not an array
  624.         ++emp_ptr;
  625.  
  626.     } // for
  627.  
  628.     // no need to return anything since we used pointers and have
  629.     // been referring the array of employee structure and the 
  630.     // the total structure from its calling function ... this
  631.     // is the power of Call by Reference.
  632.  
  633. } // calcEmployeeTotals
  634.  
  635. //*************************************************************
  636. // Function: calcEmployeeMinMax
  637. //
  638. // Purpose: Accepts various floating point values from an
  639. //          employee and adds to a running update of min
  640. //          and max values
  641. //
  642. // Parameters:
  643. //
  644. //   employeeData   - array of employees (i.e., struct employee)
  645. //   employeeTotals - structure containing a running totals 
  646. //                    of all fields above
  647. //   theSize - the array size (i.e., number of employees)
  648. //
  649. // Returns: 
  650. //
  651. //   employeeMinMax - updated employeeMinMax structure
  652. //
  653. //**************************************************************
  654.  
  655. void calcEmployeeMinMax (struct employee * emp_ptr,
  656.                          struct min_max * emp_minMax_ptr,
  657.                          int theSize)
  658. {
  659.  
  660.     int i; // loop index
  661.  
  662.     // At this point, emp_ptr is pointing to the first
  663.     // employee which is located in the first element
  664.     // of our employee array of structures (employeeData).
  665.  
  666.     // As this is the first employee, set each min 
  667.     // min and max value using our emp_minMax_ptr
  668.     // to the associated member fields below.  They
  669.     // will become the initial baseline that we  
  670.     // can check and update if needed against the 
  671.     // remaining employees.
  672.  
  673.     // set the min to the first employee members
  674.     emp_minMax_ptr->min_wageRate = emp_ptr->wageRate; 
  675.     emp_minMax_ptr->min_hours = emp_ptr->hours;
  676.     emp_minMax_ptr->min_overtimeHrs = emp_ptr->overtimeHrs; 
  677.     emp_minMax_ptr->min_grossPay = emp_ptr->grossPay;
  678.     emp_minMax_ptr->min_stateTax = emp_ptr->stateTax;
  679.     emp_minMax_ptr->min_fedTax = emp_ptr->fedTax;
  680.     emp_minMax_ptr->min_netPay = emp_ptr->netPay;
  681.  
  682.     // set the max to the first employee members
  683.     emp_minMax_ptr->max_wageRate = emp_ptr->wageRate; 
  684.     emp_minMax_ptr->max_hours = emp_ptr->hours;
  685.     emp_minMax_ptr->max_overtimeHrs = emp_ptr->overtimeHrs; 
  686.     emp_minMax_ptr->max_grossPay = emp_ptr->grossPay;
  687.     emp_minMax_ptr->max_stateTax = emp_ptr->stateTax;
  688.     emp_minMax_ptr->max_fedTax = emp_ptr->fedTax;
  689.     emp_minMax_ptr->max_netPay = emp_ptr->netPay;
  690.  
  691.     // compare the rest of the employees to each other for min and max
  692.     for (i = 1; i < theSize; ++i)
  693.     {
  694.  
  695.         // go to next employee in our array of structures
  696.         // Note:  We don't need to increment the emp_totals_ptr
  697.         //        because it is not an array
  698.         ++emp_ptr;
  699.  
  700.         // check if current Wage Rate is the new min and/or max
  701.         if (emp_ptr->wageRate < emp_minMax_ptr->min_wageRate)
  702.         {
  703.             emp_minMax_ptr->min_wageRate = emp_ptr->wageRate;
  704.         }
  705.  
  706.         if (emp_ptr->wageRate > emp_minMax_ptr->max_wageRate)
  707.         {
  708.             emp_minMax_ptr->max_wageRate = emp_ptr->wageRate;
  709.         }
  710.  
  711.         // check is current Hours is the new min and/or max
  712.         if (emp_ptr->hours < emp_minMax_ptr->min_hours)
  713.         {
  714.             emp_minMax_ptr->min_hours = emp_ptr->hours;
  715.         }
  716.  
  717.         if (emp_ptr->hours > emp_minMax_ptr->max_hours)
  718.         {
  719.             emp_minMax_ptr->max_hours = emp_ptr->hours;
  720.         }
  721.  
  722.         // check is current Overtime Hours is the new min and/or max
  723.         if (emp_ptr->overtimeHrs < emp_minMax_ptr->min_overtimeHrs)
  724.         {
  725.             emp_minMax_ptr->min_overtimeHrs = emp_ptr->overtimeHrs;
  726.         }
  727.  
  728.         if (emp_ptr->overtimeHrs > emp_minMax_ptr->max_overtimeHrs)
  729.         {
  730.             emp_minMax_ptr->max_overtimeHrs = emp_ptr->overtimeHrs;
  731.         }
  732.  
  733.         // check is current Gross Pay is the new min and/or max
  734.         if (emp_ptr->grossPay < emp_minMax_ptr->min_grossPay)
  735.         {
  736.             emp_minMax_ptr->min_grossPay = emp_ptr->grossPay;
  737.         }
  738.  
  739.         if (emp_ptr->grossPay > emp_minMax_ptr->max_grossPay)
  740.         {
  741.             emp_minMax_ptr->max_grossPay = emp_ptr->grossPay;
  742.         }
  743.  
  744.         // check is current State Tax is the new min and/or max
  745.         if (emp_ptr->stateTax < emp_minMax_ptr->min_stateTax)
  746.         {
  747.             emp_minMax_ptr->min_stateTax = emp_ptr->stateTax;
  748.         }
  749.  
  750.         if (emp_ptr->stateTax > emp_minMax_ptr->max_stateTax)
  751.         {
  752.             emp_minMax_ptr->max_stateTax = emp_ptr->stateTax;
  753.         }
  754.  
  755.         // check is current Federal Tax is the new min and/or max
  756.         if (emp_ptr->fedTax < emp_minMax_ptr->min_fedTax)
  757.         {
  758.             emp_minMax_ptr->min_fedTax = emp_ptr->fedTax;
  759.         }
  760.  
  761.         if (emp_ptr->fedTax > emp_minMax_ptr->max_fedTax)
  762.         {
  763.             emp_minMax_ptr->max_fedTax = emp_ptr->fedTax;
  764.         }
  765.  
  766.         // check is current Net Pay is the new min and/or max
  767.         if (emp_ptr->netPay < emp_minMax_ptr->min_netPay)
  768.         {
  769.             emp_minMax_ptr->min_netPay = emp_ptr->netPay;
  770.         }
  771.  
  772.         if (emp_ptr->netPay > emp_minMax_ptr->max_netPay)
  773.         {
  774.             emp_minMax_ptr->max_netPay = emp_ptr->netPay;
  775.         }
  776.  
  777.     } // else if
  778.  
  779.     // no need to return anything since we used pointers and have
  780.     // been referencing the employeeData structure and the 
  781.     // the employeeMinMax structure from its calling function ...
  782.     // this is the power of Call by Reference.
  783.  
  784. } // calcEmployeeMinMax
Success #stdin #stdout 0s 5268KB
comments (?)
stdin 
51.0
42.5
37.0
45.0
40.0
stdout 
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 ***

---------------------------------------------------------------------------------
Name                Tax  Clock# Wage   Hours  OT   Gross   State  Fed      Net
                   State                           Pay     Tax    Tax      Pay
---------------------------------------------------------------------------------
Connie Cobol         MA  098401 10.60  51.0  11.0  598.90  29.95  149.73   419.23
Mary Apl             NH  526488  9.75  42.5   2.5  426.56   0.00  106.64   319.92
Frank Fortran        VT  765349 10.50  37.0   0.0  388.50  23.31   97.12   268.07
Jeff Ada             NY  034645 12.25  45.0   5.0  581.88  46.55  145.47   389.86
Anton Pascal         CA  127615  8.35  40.0   0.0  334.00  23.38   83.50   227.12
---------------------------------------------------------------------------------
Totals:                         51.45 215.5  18.5 2329.84 123.18  582.46  1624.19
Averages:                       10.29  43.1   3.7  465.97  24.64  116.49   324.84
Minimum:                         8.35  37.0   0.0  334.00   0.00   83.50   227.12
Maximum:                        12.25  51.0  11.0  598.90  46.55  149.73   419.23
https://ideone.com/RAejy6
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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