OH NEVER MIND...I'm being stupid.

I meant to type

Q MYN*$$FACT(MYN-1)

but didn't.

Anyway, I didn't expect this to work, but apparently it does.

--- Greg Woodhouse <[EMAIL PROTECTED]> wrote:

> Even worse
> 
> 
> >ZL ZZGBAD ZP
> FACT(MYN)       ; ; 3/8/05 12:23pm
>         Q:MYN'>0 1
>         Q $$FACT(MYN-1)
>         ;
> FACT2(MYN)      ;
>         N X
>         S X=MYN
>         Q:X'>0 1
>         Q $$FACT(X-1)
> 
> >W $$FACT^ZZGBAD(5)
> 1
> >W $$FACT2^ZZGBAD(5)
> 1
> >
> --- Greg Woodhouse <[EMAIL PROTECTED]> wrote:
> 
> > Sure.
> > 
> > 
> > >ZL ZZGBAD ZP
> > FACT(MYN)       ; ; 3/8/05 12:14pm
> >         Q:MYN'>0 1
> >         S VAL=$$FACT(MYN-1)
> >         S MYN=0 ;MYN changed!
> >         Q VAL
> > 
> > >W $$FACT^ZZGBAD(5)
> > 1
> > >
> > 
> > 
> > --- Greg Kreis <[EMAIL PROTECTED]> wrote:
> > 
> > > I am not following your reasoning Greg.  Can you provide an
> > example?
> > > 
> > > Greg Woodhouse wrote:
> > > 
> > > >Another thing to watch out for is recursive calls. With the
> > scoping
> > > >works in MUMPS it seems to me that the only safe option is to
> copy
> > > >parameter values into NEW variables (so that you have a separate
> > > copy
> > > >in each stack frame). Otherwise, things might not work as you
> > > expect.
> > > >
> > > >--- Greg Woodhouse <[EMAIL PROTECTED]> wrote:
> > > >
> > > >  
> > > >
> > > >>In fact, I recall creating a special lookup routine that called
> > > ^DIC
> > > >>--
> > > >>except that I neglected to include the "I" flag for ignore
> > special
> > > >>lookup routine. Needless to say, the result was "interesting".
> > > >>
> > > >>--- Greg Kreis <[EMAIL PROTECTED]> wrote:
> > > >>
> > > >>    
> > > >>
> > > >>>It can happen with repeatedly performing a DO command to any
> > > >>>location.  
> > > >>>Anything that is putting new entries on the stack frame
> without 
> > > >>>eventually removing them.  The stack on DSM or Cache can
> > probably
> > > >>>handle 
> > > >>>300+ entries, so it never overflows with legitimate logic. 
> ;-)
> > > >>>
> > > >>>Greg Woodhouse wrote:
> > > >>>
> > > >>>      
> > > >>>
> > > >>>>It means there was an intepreter stack overflow. :-)
> > > >>>>
> > > >>>>Actually, I think you got into an infinite loop making
> repeated
> > > >>>>        
> > > >>>>
> > > >>>routine
> > > >>>      
> > > >>>
> > > >>>>calls (each of which requires the allocation of a new stack
> > > frame,
> > > >>>>which contains such details as NEW variables and the return
> > > >>>>        
> > > >>>>
> > > >>>address).
> > > >>>      
> > > >>>
> > > >>>>--- "Naik, Chintan (EDS)" <[EMAIL PROTECTED]> wrote:
> > > >>>>
> > > >>>> 
> > > >>>>
> > > >>>>        
> > > >>>>
> > > >>>>>Anyone know what this error means?
> > > >>>>>
> > > >>>>>%DSM-E-STKOVR, Interpreter stack overflow
> > > >>>>>
> > > >>>>>
> > > >>>>>Thanks,
> > > >>>>>
> > > >>>>>Chintan Naik
> > > >>>>>Health System Design & Development
> > > >>>>>* (972)-796-2414 - (Plano - Tue, Wed, Thu)
> > > >>>>>* (817)-798-0546 - (Dallas OIFO - Mon, Fri)
> > > >>>>>*    Fax:   (972)-796-6181 
> > > >>>>>* mailto:[EMAIL PROTECTED]
> > > >>>>>
> > > >>>>>To care for him who shall have borne the battle and for his
> > > widow
> > > >>>>>          
> > > >>>>>
> > > >>>and
> > > >>>      
> > > >>>
> > > >>>>>his orphan... Abraham Lincoln
> > > >>>>>
> > > >>>>>Enrollment Systems Group... Where VA Health Care Begins!
> > > >>>>>
> > > >>>>>
> > > >>>>>
> > > >>>>>
> > > >>>>>-------------------------------------------------------
> > > >>>>>SF email is sponsored by - The IT Product Guide
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> > > >>>>>
> > > >>>now.
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> > > >>>
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> > > >>>>>_______________________________________________
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> > >
> >>>>>https://lists.sourceforge.net/lists/listinfo/hardhats-members
> > > >>>>>
> > > >>>>>   
> > > >>>>>
> > > >>>>>          
> > > >>>>>
> > > >>>>=====
> > > >>>>A practical man is a man who practices the errors of his
> > > >>>>        
> > > >>>>
> > > >>>forefathers. --Benjamin Disraeli
> > > >>>      
> > > >>>
> > > >>>>====
> > > >>>>Greg Woodhouse 
> > > >>>>[EMAIL PROTECTED] 
> > > >>>>[EMAIL PROTECTED] 
> > > >>>>
> > > >>>>
> > > >>>>
> > > >>>>
> > > >>>>
> > > >>>>-------------------------------------------------------
> > > >>>>SF email is sponsored by - The IT Product Guide
> > > >>>>Read honest & candid reviews on hundreds of IT Products from
> > real
> > > >>>>        
> > > >>>>
> > > >>>users.
> > > >>>      
> > > >>>
> > > >>>>Discover which products truly live up to the hype. Start
> > reading
> > > >>>>        
> > > >>>>
> > > >>>now.
> > > >>>      
> > > >>>
> > > >>>>http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click
> > > >>>>_______________________________________________
> > > >>>>Hardhats-members mailing list
> > > >>>>Hardhats-members@lists.sourceforge.net
> > > >>>>https://lists.sourceforge.net/lists/listinfo/hardhats-members
> > > >>>>
> > > >>>> 
> > > >>>>
> > > >>>>        
> > > >>>>
> > > >>=====
> > > >>A practical man is a man who practices the errors of his
> > > forefathers.
> > > >>--Benjamin Disraeli
> > > >>====
> > > >>Greg Woodhouse 
> > > >>[EMAIL PROTECTED] 
> > > >>[EMAIL PROTECTED] 
> > > >>
> > > >>
> > > >>
> > > >>
> > > >>
> > > >>-------------------------------------------------------
> > > >>SF email is sponsored by - The IT Product Guide
> > > >>Read honest & candid reviews on hundreds of IT Products from
> real
> > > >>users.
> > > >>Discover which products truly live up to the hype. Start
> reading
> > > now.
> > > >>http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click
> > > >>_______________________________________________
> > > >>Hardhats-members mailing list
> > > >>Hardhats-members@lists.sourceforge.net
> > > >>https://lists.sourceforge.net/lists/listinfo/hardhats-members
> > > >>
> > > >>    
> > > >>
> > > >
> > > >
> > > >=====
> > > >A practical man is a man who practices the errors of his
> > > forefathers. --Benjamin Disraeli
> > > >====
> > > >Greg Woodhouse 
> > > >[EMAIL PROTECTED] 
> > > >[EMAIL PROTECTED] 
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >-------------------------------------------------------
> > > >SF email is sponsored by - The IT Product Guide
> > > >Read honest & candid reviews on hundreds of IT Products from
> real
> > > users.
> > > >Discover which products truly live up to the hype. Start reading
> > > now.
> > > >http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click
> > > >_______________________________________________
> > > >Hardhats-members mailing list
> > > >Hardhats-members@lists.sourceforge.net
> > > >https://lists.sourceforge.net/lists/listinfo/hardhats-members
> > > >
> > > >  
> > > >
> > > 
> > 
> > 
> > =====
> > A practical man is a man who practices the errors of his
> forefathers.
> > --Benjamin Disraeli
> > ====
> > Greg Woodhouse 
> > [EMAIL PROTECTED] 
> > [EMAIL PROTECTED] 
> > 
> > 
> > 
> > 
> > 
> > -------------------------------------------------------
> > SF email is sponsored by - The IT Product Guide
> > Read honest & candid reviews on hundreds of IT Products from real
> > users.
> > Discover which products truly live up to the hype. Start reading
> now.
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> > _______________________________________________
> > Hardhats-members mailing list
> > Hardhats-members@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/hardhats-members
> > 
> 
> 
> =====
> A practical man is a man who practices the errors of his forefathers.
> --Benjamin Disraeli
> ====
> Greg Woodhouse 
> [EMAIL PROTECTED] 
> [EMAIL PROTECTED] 
> 
> 
> 
> 
> 
> -------------------------------------------------------
> SF email is sponsored by - The IT Product Guide
> Read honest & candid reviews on hundreds of IT Products from real
> users.
> Discover which products truly live up to the hype. Start reading now.
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> https://lists.sourceforge.net/lists/listinfo/hardhats-members
> 


=====
A practical man is a man who practices the errors of his forefathers. 
--Benjamin Disraeli
====
Greg Woodhouse 
[EMAIL PROTECTED] 
[EMAIL PROTECTED] 





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