Problem with program...

This is a discussion on Problem with program... within the C Programming forums, part of the General Programming Boards category; Here's an example of part of a program I'm working on. I'm trying to get the program to do the ...

  1. #1
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    Problem with program...

    Here's an example of part of a program I'm working on. I'm trying to get the program to do the correct math with the hours, overtime, and bonus enter (to see what I mean, take a look at the code below).
    EXAMPLE:
    Code:
    d = atoi(c) * 15;
    The program does not accept any decimal numbers and will not allow me to multiply the hours by a decimal. Anyone have any ideas? I'd greatly appreciate it.

    Code:
    /* Begin Matt B. Section */
    int mattbview()
    {
      char buffer[256];
      char buffer2[256];
      char buffer3[256];
      int ammount;
      ifstream mattb ("files/mattb.txt");				//Opens the file mattb.txt when mattb is typed
      ifstream mattb2 ("files/mattb2.txt");				//Opens the file mattb2.txt when mattb2 is typed
      ifstream mattb3 ("files/mattb3.txt");
      if (! mattb.is_open())							//The IF statement that displays "error opening file" when file cannot be found
      { 
    	  cout << "Error opening file"; 
    	  EXIT 
    		Sleep(1000);		//Sleep 1 second
      }
    
      while (! mattb.eof() )							//Copies until the end of file (EOF)
      {
    	system("CLS");
        mattb.getline (buffer,100);						//This stores the text of mattb.txt as buffer
    	mattb2.getline (buffer2,100);					//This stores the text of mattb2.txt as buffer2
    	mattb3.getline (buffer3,100);
    	cout << endl << "\tName:  Matt Biltcliffe";
    	cout << endl << "\tRate:  $10/hour";
    	cout << endl << "\tMatt has worked "; 
        cout << buffer;
    	cout << " hours.";
    	cout << endl << "\tMatt has recieved a bonus of $";
    	cout << buffer2;
    	cout << " this week.";
    	ammount = atoi(buffer) * 10 + atoi(buffer2) + atoi(buffer3);	//The math involved to figure out total money
    	cout << endl << "\tThe total ammount of money owed to Matt is $";
    	cout << ammount;
    	cout << ".";
    	cout << endl << endl << endl;
    	Sleep(5000);		//Sleep 5 second
    	
      }
      main();
      return 0;
    }
    int mattbenter() 
    {
      char a[5];
      char b[5];
      char c[5];
      int d;
      ofstream mattb ("files/mattb.txt");
      ofstream mattb2 ("files/mattb2.txt");
      ofstream mattb3 ("files/mattb3.txt");
        cout << endl << "\tName:  Matt Biltcliffe";
    	cout << endl << "\tPay:  $10/hour";
    	cout << endl << "\tPlease note that ONLY numbers are allowed.";
    	cout << endl << endl << "\tPlease enter the ammount of hours worked (Standard pay):  ";
    	cin >> a;
    	cout << "\tPlease enter the amount of overtime worked (Time and a half):  ";
    	cin >> c;
    	cout << "\tPlease enter the bonus you'd like to give the employee:  ";
    	cin >> b;
    	mattbview();
      }
    
    	cout << endl << "\tThank you, this is being entered into the database now and Matt's pay is being calculated.";
    	cout << endl;
    	d = atoi(c) * 15;
    	Sleep(5000);		//Sleep 1 second
      if (mattb.is_open(), mattb2.is_open())
      {
        mattb << a;
        mattb2 << b;
        mattb3 << d;
    	mattb.close();
    	mattb2.close();
    	mattb3.close();  return 0;
    }
    BTW: Sorry about all my problems with my pay roll project. Just been havin trouble with a few things. For the most part, the program works as long as there isn't any decimals to be entered.
    Last edited by Screwz Luse; 12-05-2001 at 08:50 AM.

  2. #2
    ATH0 quzah's Avatar
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    This is not the C++ board. Post there, unless you have already, in which case, stop cross posting here!
    cout << endl << "\tName: Matt Biltcliffe";
    cout << endl << "\tRate: $10/hour";
    cout << endl << "\tMatt has worked ";
    Um... 'matt has worked' ? ...ok, so what? Is there supposed to be a variable at the end there? (Don't reply here, go to the C++ board.)

    cin >> a;
    cout << "\tPlease enter the amount of overtime worked (Time and a half): ";
    cin >> c;
    cout << "\tPlease enter the bonus you'd like to give the employee: ";
    cin >> b;
    'a', 'b', and 'c' are not declared anywhere in the code you provide.

    I suspect the reason your multiplication isn't working is because you aren't properly declaring your variables. If you want a decimal, use a float or double, not an integer.

    Quzah.
    Hope is the first step on the road to disappointment.

  3. #3
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    well, excuse me. No need to get all ........y and snooty about it. I'm sorry if I've hurt you, all knowing one. 1.) My bad, I didn't really think that I had carried over to C++ really 2.) a, b, and c are defined:

    Code:
    char a[5];  
    char b[5];  
    char c[5];
    If you had looked at the code, you would see that a variable comes after the "matt's work" part.

  4. #4
    ATH0 quzah's Avatar
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    I wasn't being ........y. I was letting you know that there is a board for C++, and that this isn't it.

    Ya, I glanced over the code, totally missed the 'abc' stuff. My bad.

    Where isn't it excepting the decimal input? Into abc? Shouldn't those be a float or a double? With 'cin', you should be just reading into a float or double, not into an array of characters. That should do the trick.

    Quzah.
    Last edited by quzah; 12-05-2001 at 10:29 AM.
    Hope is the first step on the road to disappointment.

  5. #5
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    lol.. thanx. Sorry about the "rudeness" in my reply. My bad.

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