C / C++ Code Portfolio

in >> temp;
// read in the imaginary component which will be sans sign
in >> tempImaginary;
// if the sign of the imaginary component is negative, negate the imaginary component
if (temp == '-')
{
tempImaginary *= -1;
}
// set the imaginary component of the Complex to the read in complex component
value.imaginary = tempImaginary;
// read in the "i"
in >> temp;
return in;
}
Inheritance and Virtual Functions
#ifndef CHRISBERGER_SHAPES_H
#define CHRISBERGER_SHAPES_H

namespace ChrisBerger
{
// this abstract class serves as the base type for all other classes
class Shape
{
public:
// purely virtual function to display a Shape
virtual void display() const = 0;
};

// this abstract class is the parent class for Circle and Square types

class TwoDimensionalShape : public Shape
{
public:
// purely virtual function to get the area of a Shape
virtual double getArea() const = 0;
};

// this abstract class is the parent class for Sphere and Cube types

class ThreeDimensionalShape : public Shape
{
public:
// purely virtual function to get the surface area of a Shape
virtual double getSurfaceArea() const = 0;
// purely virtual function to get the volume of a Shape
virtual double getVolume() const = 0;
};

// class for a Shape of type Circle

class Circle : public TwoDimensionalShape
{
public:
// prototype for the Circle constructor
Circle(double radius);
// virtual function prototype to display a Circle
virtual void display() const;
// virtual function prototype to get the area of a Circle