Can anyone help me fix the errors in this program i made. I am confused about them. Thanx in advanced.
#include <iostream.h>
#include <string.h>
const float pi = 3.14159;
int sel_shape (void);
float volbox (float& length, float& width);
float volsphe (float& radius);
float volcyl (float& radius, float& height);
float volpyr (float& base, float& height);
void disp_out (int& answer, float& volume, float& length, float& width,
float& radius, float& height, float& base);
//====================== Main ===============================
int main ()
{
//local declarations
int answer;
float length, width, radius, height, base;
//Statements
answer = sel_shape();
cout<<answer;
switch (answer)
{
case 1:
{
cout<<"Please enter the lenght and width of the box:"<<endl;
cin>>length>>width;
cout<<endl;
float volbox (float length, float width);
}
break;
case 2:
{
cout<<"Please enter the radius of the sphere:"<<endl;
cin>>radius;
cout<<endl;
float volsphe (float radius);
}
break;
case 3:
{
cout<<"Please enter the radius and height of the cylinder:"<<endl;
cin>>radius>>height;
cout<<endl;
float volcyl (float radius, float height);
}
break;
case 4:
{
cout<<"Please enter the base and height of the pyramid:"<<endl;
cin>>base>>height;
cout<<endl;
float volpyr (float base, float height);
}
break;
default:
answer =; ***************************************error 1*******************
}
disp_out (int& answer, float& volume, float& length, float& width, float& radius, ******error 2 and 3*******************
float& height, float& base); *****error 4************************
return 0;
}
//====================== sel_shape =============================
// Prompt user from menu to select a shape
// pre none
// post answer
int sel_shape (void)
{
int answer = 0;
do
{
cout<<"For what shape do you want to calculate the volume?/n";
cout << "(Press: 1 for box, 2 for sphere, 3 for cylinder, and 4 for pyramid)"<<endl;
cin>>answer;
if (answer <1 || answer >4)
cout<<endl<<"You have entered an invalid number. Please try again"<<endl;
}
while ((answer <1 || answer >4));
return answer;
}
//================ cal_volbox ====================
// Calculate the volume for a box
// pre lenght, width
// post volume
float volbox (float &l, float &w)
{
float volume;
volume = l*w;
return volume;
}
//================ calc_volsphe ====================
// Calculate the volume for a sphere
// pre radius
// post volume
float volsphe (float &r)
{
float volume;
volume = (4*pi*r*r*r)/3;
return volume;
}
//================ cal_volcyl====================
// Calculate the volume for a cylinder
// pre radius, height
// post volume
float volcyl (float r, float h)
{
float volume;
volume = pi*r*r*h;
return volume;
}
//**================ cal_volpyr====================
// Calculate the volume for a pyramid
// pre base, height
// post volume
float volpyr (float &b, float &h)
{
float volume;
volume = (b*b*h)/3;
return volume;
}
//**================ disp_out====================
// Calculate the volume for a pyramid
// pre length, width, radius, height, base
// post none
void disp_out (int& answer, float& volume, float& l, float& w, float& r, float& h, float& b)
{
cout<<"The Volume for ";
switch (answer)
{
case 1:
{cout<<"a box with lenth "<<l<<" and width"<<w<<" is:"<<endl;
cout<<volume;
}
break;
case 2:
{cout<<"sphere with a radius of "<<r<<" is:"<<endl;
cout<<volume;
}
break;
case 3:
{cout<<"a cylinder with a radius of"<<r<<" and height"<<h<<" is:"<<endl;
cout<<volume;
}
break;
case 4:
{cout<<"a pyramid with a base of "<<b<<" and height"<<h<<" is:"<<endl;
cout<<volume;
}
break;
}
return ();
}
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