Re: bubble sort

Sorry this message was sent to wrong address

----- Original Message -----
From: "William Rance" <[email protected]>
To: <[email protected]>
Sent: Tuesday, November 04, 2003 1:14 PM
Subject: bubble sort


> John,
>  Your swap() is call by value i.e. it makes a copy of the value, thus it
> will not affect the arguments in the routine which called it;- I would
> propose you to make your
> swap() call by reference i.e.calling program passes 'pointers' to the
values
> to be changed-
> n.b.1)swap returns two values, the new values of its arguments.
> 2)there is a strong relationship between 'pointers' and arrays, so we can
> treat them simultaneously.
>
> swap(&a, &b)
> int *pa, *pb;
> {
>      int t;
>     t = *pa;
>     *pa = *pb;
>     *py = t;
> }
>
> Bill
>



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