gistfile1.cpp

#define _USE_MATH_DEFINES
#define L_TO_CU_FT 28.32

#include <iostream>
#include <math.h>
#include <sstream>

using namespace std;

void getDimensions(double&, double&);
double inputDouble(string prompt);
double getShippingCost();

struct point3d
{
	double x, y, z;

	point3d(double x = 0.0, double y = 0.0, double z = 0.0)
	{
		this->x = x;
		this->y = y;
		this->z = z;
	}
};

class circleType
{
protected:

	double radius;

public:
	
	void setRadius(double r)
	{
		if (r >= 0)
			radius = r;
		else
			radius = 0;
	}

	double getRadius()
	{
		return radius;
	}

	double area()
	{
		return M_PI * radius * radius;
	}

	double circumference()
	{
		return 2 * M_PI * radius;
	}

	void print()
	{
		cout << "Radius: " << getRadius() << " " << "Area: " 
			<< area() << "Circumference: " << circumference();
	}

	circleType(double r)
	{
		setRadius(r);
	}
};

class cylinderType : public circleType
{
	double height;
	point3d centerOfBase;

public:
	cylinderType(double radius, double height) : circleType(radius)
	{
		this->height = height;
	}
	
	cylinderType(double radius, double height, point3d centerOfBase) 
		: cylinderType(radius, height)
	{
		this->centerOfBase = centerOfBase;
	}

	void setHeight(double height)
	{
		this->height = height;
	}

	void setCenterOfBase(point3d centerOfBase)
	{
		this->centerOfBase = centerOfBase;
	}

	double volume()
	{
		return height * M_PI * radius * radius;
	}

	double surfaceArea()
	{
		return 2 * M_PI * radius * radius 
			+ 2 * M_PI * radius * height;
	}

	void printVolume()
	{
		cout << volume();
	}

	void printSurfaceArea()
	{
		cout << surfaceArea();
	}
};

int main()
{
	double radius_f, height_f;
	double shippingCost_l, paintCost_sf;

	radius_f = inputDouble("Enter the radius of the cylinder in feet: ");
	height_f = inputDouble("Enter the height of the cylinder in feet: ");
	shippingCost_l = inputDouble("Enter the shipping cost per liter: ");
	paintCost_sf = inputDouble("Enter the paint cost per square foot: ");

	cylinderType cylinder = { radius_f, height_f };

	double shippingCost_cf = shippingCost_l / L_TO_CU_FT;

	cout << endl;

	cout.precision(2);

	cout << "The shipping cost of the cylinder is: "
		<< "$" << fixed << shippingCost_cf * cylinder.volume() << endl;

	cout << "The cost of painting the cylinder is: "
		<< fixed << "$" << paintCost_sf * cylinder.surfaceArea() << endl;

	cout << endl;

	system("pause");
}

double inputDouble(string prompt)
{
	double result;
	stringstream convert;

	do
	{
		string in;
		convert.clear();
		cout << prompt;
		cin >> in;
		convert.str(in);
	} while (!(convert >> result));

	return result;
}