why i cant move the formula under int main()?
#include <iostream>
#include <stdlib.h>
using namespace std;
double fIntoCm(double dIn)
{
double dCm;
dCm = dIn*2.54;
return (dCm);
}
double fYtoM(double dY)
{
double dM;
dM = dY*0.914;
return (dM);
}
double fOtoM(double dO)
{
double dM2;
dM2 = dO*29.574;
return (dM2);
}
double fMtoKm(double dMl)
{
double dKm;
dKm = dMl*1.61;
return (dKm);
}
double fCmtoIn(double dCm)
{
double dIn;
dIn = dCm*0.394;
return (dIn);
}
double fMtoY(double dM)
{
double dY;
dY = dM*1.094;
return (dY);
}
double fMltoO(double dMl)
{
double dO;
dO = dMl*0.034;
return (dO);
}
double fKmtoMl(double dKm)
{
double dMl;
dMl = dKm*0.621;
return (dMl) ;
}
int main()
{
cout<< " Welcome to a unit conversion program!" << endl;
cout<< "" << endl;
cout<< " Please note the program gives answers to a 3 significant figures accuracy"<< endl;
cout<< "" << endl;
lOConv:
cout<< " Press 1 to show the available royal units to the metric units conversions list" << endl;
cout<< " " << endl;
cout<< " Press 2 to show the available metric units to the royal units conversions list" << endl;
cout<< " " << endl;
cout<< " Press any other key to exit" << endl;
cout<< "" << endl;
char cConvtype;
cin>> cConvtype;
do
{
if(cConvtype == '1')
{
char cRConv;
do
{
cout<< "You have chosen to show royal units to metric units conversion list" << endl;
cout<< "" << endl;
cout<< "Press 1 to convert inches to centimetres " << endl;
cout<< "" << endl;
cout<< "Press 2 to convert yards to meters " << endl;
cout<< "" << endl;
cout<< "Press 3 to convert fluid ounces to mililiters" << endl;
cout<< "" << endl;
cout<< "Press 4 to convert miles to kilometers" << endl;
cout<< "" << endl;
cout<< "Press 5 to return to the first option screen" << endl;
cout<<""<<endl;
cin>> cRConv;
if(cRConv == '1') {
double dAns;
double dFans;
cout<< "Please input the inches you wish to convert" << endl;
cout<< "" << endl;
cout<< "Note, the input has to be in inches only, no feet can be converted" << endl;
cout<< "" << endl;
cin>> dAns;
dFans = fIntoCm(dAns);
cout<< dAns << " inches converted to centimetres is " << dFans << endl;
cout<< "" << endl;
char cAns;
cout<< "Do you wish to make another conversion? (y/n)" << endl;
cin>> cAns;
if(cAns == 'y') {
goto lOConv;
}
}
else if(cRConv == '2') {
double dAns2;
double dFans2;
cout << "Please input the yards you wish to convert" << endl;
cout<< "" << endl;
cin>> dAns2;
dFans2 = fYtoM(dAns2);
cout<< dAns2 << " yards converted to meters is " << dFans2 << endl;
cout<< "" << endl;
char cAns;
{
cout<< "Do you wish to make another conversion? (y/n)" << endl;
cout<< "" << endl;
cin>> cAns;
if(cAns == 'y') {
goto lOConv;
}
else {
cout<< "Thanks for using this unit conversion program!" << endl;
cout<< "" << endl;
goto lExit;
}
}
}
else if(cRConv == '3') {
double dAns3;
double dFans3;
cout<< "Please input the ounces you wish to convert"<< endl;
cout<< "" << endl;
cin>> dAns3;
dFans3 = fOtoM(dAns3);
cout<< dAns3 << " fluid ounces converted to mililimeters is " << dFans3 << endl;
cout<< "" << endl;
char cAns;
{
cout<< "Do you wish to make another conversion? (y/n)" << endl;
cout<< "" << endl;
cin>> cAns;
if(cAns == 'y') {
goto lOConv;
}
else {
cout<< "Thanks for using this unit conversion program!" << endl;
cout<< "" << endl;
goto lExit;
}
}
}
else if(cRConv == '4'){
double dAns4;
double dFans4;
cout << "Please input the miles you wish to convert" << endl;
cout<< "" << endl;
cin >> dAns4;
dFans4 = fMtoKm(dAns4);
cout << dAns4 << " miles converted to kilometers is " << dFans4 << endl;
cout<< "" << endl;
char cAns;
cout<< "Do you wish to make another conversion? (y/n)" << endl;
cout<< "" << endl;
cin>> cAns;
if(cAns == 'y') {
goto lOConv;
}
else if(cRConv == '5'){
cout<< " You will return to the first option screen " << endl;
goto lOConv;
}
else {
cout<< "Thanks for using this unit conversion program!" << endl;
cout<< "" << endl;
goto lExit;
}
}
} while (cRConv == '1'&& cRConv == '2' && cRConv == '3' && cRConv == '4' && cRConv == '5');
}
if(cConvtype == '2') {
char cRConv2;
do{
cout<< "You've chosen to show metric units to royal units conversion list" << endl;
cout<< "" << endl;
cout<< "Press 1 to convert centimetres to inches" << endl;
cout<< "" << endl;
cout<< "Press 2 to convert metres to yards" << endl;
cout<< "" << endl;
cout<< "Press 3 to convert mililitres to fluid ounces " << endl;
cout<< "" << endl;
cout<< "Press 4 to convert kilometers to miles " << endl;
cout<< "" << endl;
cout<< "Press 5 to return to the first option screen" << endl;
cout<< "" << endl;
cin>> cRConv2;
if(cRConv2 == '1'){
double dAns;
double dFans;
cout<< " Please input the centimetres you wish to convert " << endl;
cout<< "" << endl;
cout<< "Note: Only centimetres the program does not convert meters and centimetres" << endl;
cout<< "" << endl;
cin>> dAns;
dFans = fCmtoIn(dAns);
cout<< dAns << " centimetres converted to inches is " << dFans << endl;
cout<< "" << endl;
char cAns;
cout<< "Do you wish to make another conversion? (y/n)" << endl;
cout<< "" << endl;
cin>> cAns;
if(cAns == 'y') {
goto lOConv;
}
else {
cout<< "Thanks for using River100's unit conversion program!" << endl;
cout<< "" << endl;
goto lExit;
}
}
if(cRConv2 == '2'){
double dAns2;
double dFans2;
cout<< "Please input the meters you wish to convert " << endl;
cout<< "" << endl;
cin>> dAns2;
dFans2 = fMtoY(dAns2);
cout << dAns2 << " meters converted to yards is " << dFans2 << endl;
cout<< "" << endl;
char cAns;
cout<< "Do you wish to make another conversion? (y/n)" << endl;
cout<< "" << endl;
cin>> cAns;
if(cAns == 'y') {
goto lOConv;
}
else {
cout<< "Thanks for using this unit conversion program!" << endl;
cout<< "" << endl;
goto lExit;
}
}
else if(cRConv2 == '3'){
double dAns3;
double dFans3;
cout<< "Please input the mililiters you wish to convert" << endl;
cout<< "" << endl;
cin>> dAns3;
dFans3 = fMltoO(dAns3);
cout << dAns3 << " mililiters converted to fluid ounces is " << dFans3 << endl;
cout<< "" << endl;
char cAns;
cout<< "Do you wish to make another conversion? (y/n)" << endl;
cout<< "" << endl;
cin>> cAns;
if(cAns == 'y') {
goto lOConv;
}
else {
cout<< "Thanks for using this unit conversion program!" << endl;
cout<< "" << endl;
goto lExit;
}
}
else if(cRConv2 == '4'){
double dAns4;
double dFans4;
cout<< "Please input the kilometers you wish to convert" << endl;
cout<< "" << endl;
cin>> dAns4;
dFans4 = fKmtoMl(dAns4);
cout<< dAns4 << " kilometers converted to miles is " << dFans4 << endl;
cout<< "" << endl;
char cAns;
cout<< "Do you wish to make another conversion? (y/n)" << endl;
cout<< "" << endl;
cin>> cAns;
if(cAns == 'y') {
goto lOConv;
}
else if(cRConv2 == '5'){
cout<< " You will return to the first option screen " << endl;
goto lOConv;
}
else {
cout<< "Thanks for using this unit conversion program!" << endl;
cout<< "" << endl;
goto lExit;
}
}
} while (cRConv2 == '1' && cRConv2 == '2' && cRConv2 == '3' && cRConv2 == '4' && cRConv2 == '5');
}
else {
cout<< "The program will now exit" << endl;
cout<< "" << endl;
goto lExit;
}
} while (cConvtype == '1' && cConvtype == '2');
lExit:
system("Pause");
cout<< "" << endl;
return 0;
}