Why does my C++ program not want to run?

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Hi,

Can you please explain to me why this C++ program does not want to run. I copied this straight from a text book:

C++

//**************************************************************
//Paycheck program
//This program computes an employee's wages for the week
//**************************************************************

#include <iostream>
using namespace std;

void CalcPay(float, float, float&);

const float max_hours = 40.0; //Maximum normal work hours 
const float overtime = 1.5; //overtime rate factor

int main()
{
float payrate; //emp pay rare
float hours; // hours worked
float wages; // wages earned
int empnum; //emp id no

cout <<"Enter emp no";
cin>>empnum;
cout <<"Enter pay rate";
cin>>payrate;
cout<<"Enter hours worked";
cin>>hours;

CalcPay(payrate, hours, wages);

cout <<"Emp no"<<empnum<<endl<<"pay rate"<<payrate<<endl<<"wages"<<wages<<endl;

return 0;
}
//**************************************************************

void CalcPay(float payrate, float hours, float& wages )
{
if (hours > max_hours)
wages = (max_hours * payrate) + (hours-max_hours) *payrate *overtime;
else
wages= hours * payrate;
}

Posted 27-May-11 23:32pm

simfonika

Updated 27-May-11 23:53pm

Sandeep Mewara

v2

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Sandeep Mewara 28-May-11 5:54am

What do you mean by "does not want to run"? Any error?

hakz.code 28-May-11 6:35am

Please be specific!unless you describe the problem well it is tough to get the solution..

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OriginalGriff · Answer 1 · 2011-05-28T00:05:00

It does run.
The only thing you need to do is add something to let you see the result, before the window closes: Try putting a breakpoint on the return statement, that would help for testing, or use cin to force another read from the keyboard before the application closes.

BTW: I would change the CalcPay function:

float CalcPay(float payrate, float hours)
   {
   float wages;
   if (hours > max_hours)
      wages = (max_hours * payrate) + (hours-max_hours) *payrate *overtime;
   else
      wages= hours * payrate;
   return wages;
   }

This way it returns the value, instead of modifying a parameter. That means you can use it in calculations:

float allPay = CalcPay(JoesRate, JoesHours) + CalcPay(MikesRate, MikesHours);