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John,
I don't think so.
1/0 will still be displayed as {NaN}
But statement like this
100 / ( 1/ 0 )
will give zero, which is correct considering the fact
that it could be rewritten to:
0 * 100/1
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "John" <jr-sw@xxxxxxxxxxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Monday, March 03, 2003 7:17 PM
Subject: Re: [amibroker] Re: [Tomasz] 1 / 0 = 0? : NaN or Infinity would be good
> Tomasz,
>
> If you take an automatic approach in AFL engine to Divide by Zero errors
> then won't any genuine user logic/coding errors get masked?
>
> John
> ----- Original Message -----
> From: "Tomasz Janeczko" <amibroker@xxxxxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Monday, March 03, 2003 5:26 PM
> Subject: Re: [amibroker] Re: [Tomasz] 1 / 0 = 0? : NaN or Infinity would be
> good
>
>
> > Mike,
> >
> > A next beta (4.29.8) will give you 100.
> >
> > Best regards,
> > Tomasz Janeczko
> > amibroker.com
> > ----- Original Message -----
> > From: <mik-u@xxxxxxxxxxx>
> > To: <amibroker@xxxxxxxxxxxxxxx>
> > Sent: Monday, March 03, 2003 6:20 PM
> > Subject: [amibroker] Re: [Tomasz] 1 / 0 = 0? : NaN or Infinity would be
> good
> >
> >
> > > Hi Tomasz,
> > >
> > > NaN or Infinity would be good. I just need something to check an
> > > exception and get correct value (100) when calculating formula like
> > > this:
> > >
> > > 100 - 100 / (1 + 30 / 0)
> > >
> > > Regards,
> > > Mike
> > >
> > > --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <amibroker@xxxx>
> > > wrote:
> > > > Hello,
> > > >
> > > > When I am thinking more on this... maybe it would be better
> > > > to display a special string "NaN" in such case?
> > > >
> > > > I will modify the WriteVal and this division handling so
> > > > it displays NaN string so it is more obvious what happens.
> > > >
> > > > Best regards,
> > > > Tomasz Janeczko
> > > > amibroker.com
> > > > ----- Original Message -----
> > > > From: "Tomasz Janeczko" <amibroker@xxxx>
> > > > To: <amibroker@xxxxxxxxxxxxxxx>
> > > > Sent: Monday, March 03, 2003 8:57 AM
> > > > Subject: Re: [amibroker] [Tomasz] 1 / 0 = 0?
> > > >
> > > >
> > > > > Hello,
> > > > >
> > > > > (30/0) is NaN - NOT a NUMBER
> > > > >
> > > > > Division by zero is illegal operation.
> > > > >
> > > > > If there was no protection against dividing by zero
> > > > > the program would just bomb out (crash and say good bye).
> > > > >
> > > > > Therefore when dividing two numbers X / Y AB checks
> > > > > if Y is equal to zero and always returns zero in that case.
> > > > >
> > > > >
> > > > > Best regards,
> > > > > Tomasz Janeczko
> > > > > amibroker.com
> > > > > ----- Original Message -----
> > > > > From: <mik-u@xxxx>
> > > > > To: <amibroker@xxxxxxxxxxxxxxx>
> > > > > Sent: Monday, March 03, 2003 4:00 AM
> > > > > Subject: [amibroker] [Tomasz] 1 / 0 = 0?
> > > > >
> > > > >
> > > > > > Tomasz,
> > > > > >
> > > > > > AB returning 0 for an expression like 1 / 0. Is it correct?
> > > > > >
> > > > > > The following expression
> > > > > >
> > > > > > 100 - 100 / (1 + 30 / 0)
> > > > > >
> > > > > > is equal 0 in AB, but I think it should be equal 100.
> > > > > >
> > > > > > Thanks,
> > > > > > Mike
> > > > > >
> > > > > >
> > > > > >
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