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| author | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
|---|---|---|
| committer | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
| commit | 33613a85afc4b1481367fbe92a17ee59c240250b (patch) | |
| tree | 670b842326116b376b505ec2263878912fca97e2 /Bachelor/Prog1/examples/ch06/Fig06_09_11/Salesp.cpp | |
| download | Studium-master.tar.gz Studium-master.tar.bz2 | |
Diffstat (limited to 'Bachelor/Prog1/examples/ch06/Fig06_09_11/Salesp.cpp')
| -rw-r--r-- | Bachelor/Prog1/examples/ch06/Fig06_09_11/Salesp.cpp | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/Bachelor/Prog1/examples/ch06/Fig06_09_11/Salesp.cpp b/Bachelor/Prog1/examples/ch06/Fig06_09_11/Salesp.cpp new file mode 100644 index 0000000..4c05a6d --- /dev/null +++ b/Bachelor/Prog1/examples/ch06/Fig06_09_11/Salesp.cpp @@ -0,0 +1,86 @@ +// Fig. 6.10: salesp.cpp
+// Member functions for class SalesPerson.
+#include <iostream>
+
+using std::cout;
+using std::cin;
+using std::endl;
+using std::fixed;
+
+#include <iomanip>
+
+using std::setprecision;
+
+// include SalesPerson class definition from salesp.h
+#include "salesp.h"
+
+// initialize elements of array sales to 0.0
+SalesPerson::SalesPerson()
+{
+ for ( int i = 0; i < 12; i++ )
+ sales[ i ] = 0.0;
+
+} // end SalesPerson constructor
+
+// get 12 sales figures from the user at the keyboard
+void SalesPerson::getSalesFromUser()
+{
+ double salesFigure;
+
+ for ( int i = 1; i <= 12; i++ ) {
+ cout << "Enter sales amount for month " << i << ": ";
+ cin >> salesFigure;
+ setSales( i, salesFigure );
+
+ } // end for
+
+} // end function getSalesFromUser
+
+// set one of the 12 monthly sales figures; function subtracts
+// one from month value for proper subscript in sales array
+void SalesPerson::setSales( int month, double amount )
+{
+ // test for valid month and amount values
+ if ( month >= 1 && month <= 12 && amount > 0 )
+ sales[ month - 1 ] = amount; // adjust for subscripts 0-11
+
+ else // invalid month or amount value
+ cout << "Invalid month or sales figure" << endl;
+
+} // end function setSales
+
+// print total annual sales (with the help of utility function)
+void SalesPerson::printAnnualSales()
+{
+ cout << setprecision( 2 ) << fixed
+ << "\nThe total annual sales are: $"
+ << totalAnnualSales() << endl; // call utility function
+
+} // end function printAnnualSales
+
+// private utility function to total annual sales
+double SalesPerson::totalAnnualSales()
+{
+ double total = 0.0; // initialize total
+
+ for ( int i = 0; i < 12; i++ ) // summarize sales results
+ total += sales[ i ];
+
+ return total;
+
+} // end function totalAnnualSales
+
+/**************************************************************************
+ * (C) Copyright 1992-2002 by Deitel & Associates, Inc. and Prentice *
+ * Hall. All Rights Reserved. *
+ * *
+ * DISCLAIMER: The authors and publisher of this book have used their *
+ * best efforts in preparing the book. These efforts include the *
+ * development, research, and testing of the theories and programs *
+ * to determine their effectiveness. The authors and publisher make *
+ * no warranty of any kind, expressed or implied, with regard to these *
+ * programs or to the documentation contained in these books. The authors *
+ * and publisher shall not be liable in any event for incidental or *
+ * consequential damages in connection with, or arising out of, the *
+ * furnishing, performance, or use of these programs. *
+ *************************************************************************/
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