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-   -   Struct, File Process, Switch case help me... (http://www.go4expert.com/forums/struct-file-process-switch-help-t25492/)

noratiqah 10Apr2011 18:21

Struct, File Process, Switch case help me...
 
Code:

#include <iostream>
#include <string>
#include <fstream>
#include <cstdlib>
#include <iomanip>
#include <cmath>

using namespace std;

int main ()

{


const double pi = 3.14159;


    char TypeOfShape;
    char TheVariables;
    double r, l, h ,w, x;
    double TheArea;
    double TheVolume;
    double TheCircumference;
    double TheHypotenuse;
    double ThePerimeter;

for (;;){
do {
cout<<"Welcome to the geometry calculator world.\n";
cout<<"Please choose the shape of geometry by entering the number, press q to quit\n";
cout<<"1 - Circle\n";
cout<<"2 - Triangle\n";
cout<<"3 - Square\n";
cout<<"4 - Cylinder\n";
cout<<"5 - Cone\n";
cout<<"6 - Sphere\n";



    cout << fixed << showpoint;
    cout << setprecision (2);

    cout << " This program compute solution of area or circumference or volume"
        << " of the shape. " << endl;
    cout << " Enter the shape that you want to calculate :";
    cin >> TypeOfShape;
    cout << endl;

} while ( TypeOfShape < '1' || TypeOfShape > '7' && TypeOfShape != 'q');
if (TypeOfShape == 'q') break;



    switch (TypeOfShape)
    {
    case '1':
        cout << " Enter the radius : ";
        cin >> r;
        cout << endl;

        cout << " Enter the type of calculation of the shape:"
            << " A or a (Area),"
            << " \n C or c (Circumference): ";
        cin >> TheVariables;
        cout << endl;

        switch (TheVariables)
        {
        case 'A':
        case 'a':

        TheArea = pi*r*r;
        cout << "The Area is:" << TheArea<< endl;
        break;

        case 'C':
        case 'c':

        TheCircumference = 2*pi*r;
        cout << "The Circumference is:" << TheCircumference << endl;
        break;
        }

    break;


    case '2':
        cout << " Enter the height and length separated by spaces : ";
        cin >> h >> l;
        cout << endl;

        cout << " Enter the type of calculation of the shape:"
            << " H or h (Hypotenuse),"
            << " \n A or a (Area): ";
        cin >> TheVariables;
        cout << endl;


        switch (TheVariables)
        {
        case 'A':
        case 'a':

        TheArea = 1/2 *h*l;
        cout << "The Area is:" << TheArea<< endl;
        break;

        case 'H':
        case 'h':

        x = pow(h,2)+ pow(l,2);
        TheHypotenuse = sqrt(x);
        cout << "The Hypotenuse is:" << TheHypotenuse << endl;
        break;
        }
    break;

    case '3':
        cout << " Enter the width and lenght separated by spaces : ";
        cin >> w >> l;
        cout << endl;

        cout << " Enter the type of calculation of the shape:"
            << " A or a (Area),"
            << " \n P or p (Perimeter): ";
        cin >> TheVariables;
        cout << endl;

        switch (TheVariables)
        {
        case 'A':
        case 'a':

            TheArea = w*l;
            cout << "The Area is:" << TheArea<< endl;
            break;

        case 'P':
        case 'p':
            ThePerimeter = (2*w)+(2*l);
            cout << "The Perimeter is:" << ThePerimeter << endl;
            break;
        }

    case '4':
        cout << " Enter the radius and height separated by spaces : ";
        cin >> r >> h;
        cout << endl;

        cout << " Enter the type of calculation of the shape:"
            << " A or a (Surface Area),"
            << " \n V or v (Volume): ";
        cin >> TheVariables;
        cout << endl;

        switch (TheVariables)
        {
        case 'A':
        case 'a':

            TheArea = 2*pi*r*h;
            cout << "The SurfaceArea is:" << TheArea<< endl;
            break;

        case 'V':
        case 'v':
            TheVolume = pi*r*h;
            cout << "The Volume is:" << TheVolume << endl;
        break;
        }
    break;

    case '5':
        cout << " Enter the radius and height separated by spaces : ";
        cin >> r >> h;
        cout << endl;

        cout << " Enter the type of calculation of the shape:"
            << " A or a (Surface Area),"
            << " \n V or v (Volume): ";
        cin >> TheVariables;
        cout << endl;

        switch (TheVariables)
        {
        case 'A':
        case 'a':

            TheArea = pi*r*h;
            cout << "The Area is:" << TheArea<< endl;
            break;
        case 'v':
        case 'V':
            TheVolume = 1/3 *pi* pow(r,2)*h;
            cout << "The Volume is:" << TheVolume << endl;
        break;
        }
    break;

    case '6':
        cout << " Enter the radius : ";
        cin >> r ;
        cout << endl;

        cout << " Enter the type of calculation of the shape:"
            << " A or a (Surface Area),"
            << " \n V or v (Volume): ";
        cin >> TheVariables;
        cout << endl;

        switch (TheVariables)
        {
        case 'A':
        case 'a':

            TheArea = 4*pi*pow(r,2);
            cout << "The Area is:" << TheArea<< endl;
        break;

        case 'v':
        case 'V':
            TheVolume = 4/3 *pi* pow(r,3)*h;
            cout << "The Volume is:" << TheVolume << endl;
        break;
        }

    break;

    default:
        cout << "invalid" << endl;
    }
return 0;
}}


struct Geometry
{
 string Name;
 string TypeOfShape;
 string TypeOfCalculation;

};


{


 ofstream outGeometry("Geometry1.txt", ios::out );

 if (!outGeometry)
 {
 cerr << "File could not be opened" << endl;
 exit(1);
 }

    cout << "\n\t\t\t*~*~*~*~*~*~*~*~*~*~*~*~*";
    cout << "\n\t\t\t|\t\t\t|";
    cout << "\n\t\t\t| Geometry is fun!! ^.^ |";
    cout << "\n\t\t\t|\t\t\t|";
    cout << "\n\t\t\t*~*~*~*~*~*~*~*~*~*~*~*~*" << endl;


  struct Geometry Details;

 {
  cout<<"Welcome to the geometry calculator world.\n";
  cout<<"Please choose the shape of geometry by entering the number, for record just type the name of shape press q to quit\n";
  cout<<"1 - Circle\n";
  cout<<"2 - Triangle\n";
  cout<<"3 - Square\n";
  cout<<"4 - Cylinder\n";
  cout<<"5 - Cone\n";
  cout<<"6 - Sphere\n";
  cout << endl;

  cout << "Name: ";
  cin >> Details.Name ;

  cout << "Type of Shape: ";
  cin >> Details.TypeOfShape;

  cout << "What do you want to calculate:";
  cin >> Details.TypeOfCalculation;



  outGeometry << "Name: " << Details.Name << "\nType of Shape: " << Details.TypeOfShape << "\nWhat do you want to calculate: " << Details.TypeOfCalculation
  <<  endl;
 }

}



when im running this program there is a error and i dunno how to handle it ..


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