Re: Re: MemopMemmmmo

[John Darrington]

With the fix, or without it?



On Tue, Mar 20, 2012 at 05:39:30PM +0100, Harry Thijssen wrote:
     > Consdier the following syntax:
     >
     > input program.
     > ?loop #i = 1 to 250000.
     > ? compute A = #i.
     > ? compute B = mod(#i, 2).
     > ? end case.
     > ?end loop.
     > ?end file.
     > end input program.
     >
     > compute v = rv.uniform (0,1).
     >
     > EXAMINE
     > ? ? ? ?v BY ?B
     > ? ? ? ?/statistics = descriptives
     > ? ? ? ?.
     >
     >
     > This is a perfectly reasonable (albeit uninteresting) use of examine. ? 
?However, if the user
     > inadvertently types ? "v BY ?A" instead of "v BY B", then we will 
dutifully try to allocate,
     > 64MB * 250000 on the heap.
     >
     > J'
     
     Just for info. I checked this to see what error is displayed on
     MSWindows. In fact none! The program goes in an infinite loop with
     disk I/O but no error is displayed.
     
     Have fun
     
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