diff options
Diffstat (limited to 'Bachelor/Prog2/Codebeispiele/1_ch09/fig09_07_09/CircleTest')
3 files changed, 215 insertions, 0 deletions
diff --git a/Bachelor/Prog2/Codebeispiele/1_ch09/fig09_07_09/CircleTest/circle.cpp b/Bachelor/Prog2/Codebeispiele/1_ch09/fig09_07_09/CircleTest/circle.cpp new file mode 100644 index 0000000..0a32f7d --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/1_ch09/fig09_07_09/CircleTest/circle.cpp @@ -0,0 +1,102 @@ +// Fig. 9.8: circle.cpp
+// Circle class member-function definitions.
+#include <iostream>
+
+using std::cout;
+
+#include "circle.h" // Circle class definition
+
+// default constructor
+Circle::Circle( int xValue, int yValue, double radiusValue )
+{
+ x = xValue;
+ y = yValue;
+ setRadius( radiusValue );
+
+} // end Circle constructor
+
+// set x in coordinate pair
+void Circle::setX( int xValue )
+{
+ x = xValue; // no need for validation
+
+} // end function setX
+
+// return x from coordinate pair
+int Circle::getX() const
+{
+ return x;
+
+} // end function getX
+
+// set y in coordinate pair
+void Circle::setY( int yValue )
+{
+ y = yValue; // no need for validation
+
+} // end function setY
+
+// return y from coordinate pair
+int Circle::getY() const
+{
+ return y;
+
+} // end function getY
+
+// set radius
+void Circle::setRadius( double radiusValue )
+{
+ radius = ( radiusValue < 0.0 ? 0.0 : radiusValue );
+
+} // end function setRadius
+
+// return radius
+double Circle::getRadius() const
+{
+ return radius;
+
+} // end function getRadius
+
+// calculate and return diameter
+double Circle::getDiameter() const
+{
+ return 2 * radius;
+
+} // end function getDiameter
+
+// calculate and return circumference
+double Circle::getCircumference() const
+{
+ return 3.14159 * getDiameter();
+
+} // end function getCircumference
+
+// calculate and return area
+double Circle::getArea() const
+{
+ return 3.14159 * radius * radius;
+
+} // end function getArea
+
+// output Circle object
+void Circle::print() const
+{
+ cout << "Center = [" << x << ", " << y << ']'
+ << "; Radius = " << radius;
+
+} // end function print
+
+/**************************************************************************
+ * (C) Copyright 1992-2003 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. *
+ *************************************************************************/
\ No newline at end of file diff --git a/Bachelor/Prog2/Codebeispiele/1_ch09/fig09_07_09/CircleTest/circle.h b/Bachelor/Prog2/Codebeispiele/1_ch09/fig09_07_09/CircleTest/circle.h new file mode 100644 index 0000000..4ee5c3e --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/1_ch09/fig09_07_09/CircleTest/circle.h @@ -0,0 +1,50 @@ +// Fig. 9.7: circle.h
+// Circle class contains x-y coordinate pair and radius.
+#ifndef CIRCLE_H
+#define CIRCLE_H
+
+class Circle {
+
+public:
+
+ // default constructor
+ Circle( int = 0, int = 0, double = 0.0 );
+
+ void setX( int ); // set x in coordinate pair
+ int getX() const; // return x from coordinate pair
+
+ void setY( int ); // set y in coordinate pair
+ int getY() const; // return y from coordinate pair
+
+ void setRadius( double ); // set radius
+ double getRadius() const; // return radius
+
+ double getDiameter() const; // return diameter
+ double getCircumference() const; // return circumference
+ double getArea() const; // return area
+
+ void print() const; // output Circle object
+
+private:
+ int x; // x-coordinate of Circle's center
+ int y; // y-coordinate of Circle's center
+ double radius; // Circle's radius
+
+}; // end class Circle
+
+#endif
+
+/**************************************************************************
+ * (C) Copyright 1992-2003 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. *
+ *************************************************************************/
diff --git a/Bachelor/Prog2/Codebeispiele/1_ch09/fig09_07_09/CircleTest/circletest.cpp b/Bachelor/Prog2/Codebeispiele/1_ch09/fig09_07_09/CircleTest/circletest.cpp new file mode 100644 index 0000000..f71c455 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/1_ch09/fig09_07_09/CircleTest/circletest.cpp @@ -0,0 +1,63 @@ +// Fig. 9.9: circletest.cpp
+// Testing class Circle.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+using std::fixed;
+
+#include <iomanip>
+
+using std::setprecision;
+
+#include "circle.h" // Circle class definition
+
+int main()
+{
+ Circle circle( 37, 43, 2.5 ); // instantiate Circle object
+
+ // display point coordinates
+ cout << "X coordinate is " << circle.getX()
+ << "\nY coordinate is " << circle.getY()
+ << "\nRadius is " << circle.getRadius();
+
+ circle.setX( 2 ); // set new x-coordinate
+ circle.setY( 2 ); // set new y-coordinate
+ circle.setRadius( 4.25 ); // set new radius
+
+ // display new point value
+ cout << "\n\nThe new location and radius of circle are\n";
+ circle.print();
+
+ // display floating-point values with 2 digits of precision
+ cout << fixed << setprecision( 2 );
+
+ // display Circle's diameter
+ cout << "\nDiameter is " << circle.getDiameter();
+
+ // display Circle's circumference
+ cout << "\nCircumference is " << circle.getCircumference();
+
+ // display Circle's area
+ cout << "\nArea is " << circle.getArea();
+
+ cout << endl;
+
+ return 0; // indicates successful termination
+
+} // end main
+
+/**************************************************************************
+ * (C) Copyright 1992-2003 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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