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rubbish results with Warning

BotoolZyoud (5)
I have 2 Warnings with illogical result. the result after debugging is
rubbish values
warning C4715: 'Circle_computations::set_r' : not all control paths return a value




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  #include<iostream>
using namespace std;

class Circle_computations
{

protected:
	double area,circumference,radius,pi;
	
public:


 Circle_computations()
{
 }	
  Circle_computations(double radi)
{
pi = 3.14;

set_r(radi);

}



  double set_r(double radi)
  {
  
try
{
if(radi<=0.0)
{
throw "PLESE ENTER positive NUMBERS";

}

radius=radi;


}

catch ( const char* strException )
    {
        cerr << "Error: " << strException << "\n";
        return 1 ;
		
    }








  }

double get_r()
{

return radius;

}



double circle_area()
{

area = pi*radius*radius;
return area;
 
}

double circle_circumferunce()
{

circumference =2*pi*radius;
return circumference;

}
void print_circleoutput()
{
cout<<"****The  Area OF The Circle  is****\n"<<area<<"\n";

cout<<"****The Circle Circumferunce is****\n"<<circumference<<"\n";

}





};

class Cylinder:public Circle_computations
{

protected:
	double height,volume,cyarea;

public:
Cylinder(double r, double h) :
    Circle_computations(r)
{
    set_height(h);
}

	

double set_height(double h)
  {
  
try
{
if(h<=0.0)
{
throw "PLESE ENTER positive NUMBERS";

}

height=h;


}

catch ( const char* strException )
    {
        cerr << "Error: " << strException << "\n";
        return 1 ;
		
    }




  }

double get_height()
{

return height;

}



	double cylindersurface_area()
{
	cyarea=(2 * (Circle_computations::circle_area()))+( circle_circumferunce()* height) ;

	return cyarea;

}


double c_volume()
{
	volume = (Circle_computations::circle_area())* height;

	return volume;

}


void print_cylinderoutput()
{
cout<<"****The cylinder surface  Area   is****\n"<<cyarea;;

cout<<"****The cylinder volume   is****\n"<<volume;
}


};


int main()

{

Circle_computations  compute(1.5);
Cylinder computecylider(1.5,2.5);
cout<<"****The  Radius  is****\n";

computecylider.get_height();
computecylider.get_r();
computecylider.set_r(3.5);
computecylider.set_height(2.6);
computecylider.print_cylinderoutput();


}
closed account (9wqjE3v7)
You have not specified a return value for the regular control flow of the functions. Immediately after your exception handler you need to include a return value. Why are you using exceptions?
Last edited on
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