Gentleman,

I have the following question:

9. Present an example of a logic bug using pseudocode and explain your
answer. (10 points) I just want the group to verify if my answer is
correct.
Here is my answer:

Temperature = 70
 if (Temperature >69) and (Temperature < 100 )
        THEN
    openWindows;
Will work because if temperature is higher than 69 degrees and
temperature is lower than 100 degrees windows will open.

The code generated: A numbered list from 70 - 99
--------------------------------------------------------------------------- --------------------------------------------------------------------------- -----------------------

I then ran erroneous code below changing the "and" operator to "or"
which is an infinite loop.

Temperature = 70
 if (Temperature >69) or (Temperature < 100 )
        THEN
   openWindows;

Won't work because windows will stay closed due to temperature will
always be under 100 degrees the fault lies with the "or" "||" operator
which was used instead of the "and" (&&) operator.
The code generated:  an infinite loop.

Thank You,

Ray

On Jul 22, 12:32 am, popeyerayaz <popeyera...@gmail.com> wrote:

Two things: First, you obviously haven't tested this with actual code,
otherwise you would have noticed something. Secondly, you can't get an
infinite loop without actually having a loop there. You have an
assignment
followed by a forward branching if, no loop.

----
Geoff

Isn't temperature always < 100 or > 69? Where is the loop you're
talking about? What do you mean by 'won't work' ? This piece of code
will always work because the if conditions will hold for all real
values, i.e. it'll always be true.

Moreover, I don't get it - you're first introducing a bug yourself,
and then making statements about bugs in pseudocode? What exactly is
the point here?