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Hi Dimitris,
Thanks for looking at my code. I ran the code with
your suggestion (as listed below), but am getting an
error than Len is not initialized for HighAgo and
LowAgo. This is most likely due to the fact that Len
is a local variable to the function.
Consequently, the only way to use the code as written
is to nest the HighAgo and LowAgo variables back in
the function and declare them as global for further
use.
Regards,
Gary
//Code below as suggested. Does not work due to Len
no t initialized for HighAgo and LowAgo as the
variable is local to the function.
function CloseLenBarsAgo(Len)
{
CloseAgo = Ref(C, -Len);
return CloseAgo;
}
MyClose = CloseLenBarsAgo(1);
HighAgo = Ref(H, -Len);
LowAgo = Ref(L, -Len);
Filter = 1;
AddColumn(C, "Close", 5.2);
AddColumn(MyClose, "My Close Ago", 5.2);
AddColumn(HighAgo, "My High Ago", 5.2);
AddColumn(LowAgo, "My Low Ago", 5.2);
--- DIMITRIS TSOKAKIS <TSOKAKIS@xxxxxxxxx> wrote:
> Gary,
> Your code does not mean you take HiAgo or LowAgo
> through the function
> () return .
> It would be equivalent [and more simple] to write
>
> function CloseLenBarsAgo(Len)
> {
> CloseAgo = Ref(C, -Len);
> return CloseAgo;
> }
> HighAgo = Ref(H, -Len);
> LowAgo = Ref(L, -Len);
>
> There is no reason to hide HighAgo inside the
> {}+declare it as
> global, in order to have access to HighAgo.
> Dimitris Tsokakis
> --- In amibroker@xxxxxxxxxxxxxxx, "Gary A.
> Serkhoshian"
> <serkhoshian777@xxxx> wrote:
> > Hi Graham,
> >
> > Actually functions can return has many variables
> as
> > you specify. You do this by assigning variables
> as
> > global. If you assign no variables as global,
> then
> > only one variable is returned.
> >
> > For example:
> >
> > function CloseLenBarsAgo(Len)
> > {
> > global HighAgo;
> > global LowAgo;
> >
> > CloseAgo = Ref(C, -Len);
> > HighAgo = Ref(H, -Len);
> > LowAgo = Ref(L, -Len);
> >
> > return CloseAgo;
> > }
> >
> > In this case, the function returns CloseAgo, but
> you
> > can also access the variables HighAgo and LowAgo
> as
> > you have defined them as global. Of course, in
> your
> > code you must make sure not to use those variable
> > names again since they are no longer localized to
> the
> > function in question.
> >
> > Regards,
> > Gary
> >
> > --- Graham <gkavanagh@xxxx> wrote:
> > > From my understanding and efforts Functions can
> only
> > > return a single
> > > variable output.
> > >
> > >
> > >
> > > Cheers,
> > > Graham
> > > http://e-wire.net.au/~eb_kavan/
> > >
> > > -----Original Message-----
> > > From: Herman van den Bergen [mailto:psytek@x...]
> > >
> > > Sent: Tuesday, May 11, 2004 5:42 AM
> > > To: amibroker@xxxxxxxxxxxxxxx
> > > Subject: RE: [amibroker] Is it possible to
> reference
> > > a custom formula?
> > >
> > >
> > >
> > > Hi Stephane,
> > >
> > >
> > >
> > > You are probably right, however #Include files
> > > cannot be nested in AB
> > > however since functions can be nested to
> unlimited
> > > depth, functions would
> > > offer the solution. I guess there are preferred
> uses
> > > for each :-)
> > >
> > >
> > >
> > > best regards,
> > >
> > > herman
> > >
> > > -----Original Message-----
> > > From: Stephane Carrasset
> > > [mailto:s.carrasset@x...]
> > > Sent: Monday, May 10, 2004 5:23 PM
> > > To: amibroker@xxxxxxxxxxxxxxx
> > > Subject: Re: [amibroker] Is it possible to
> reference
> > > a custom formula?
> > > Importance: High
> > >
> > > Herman, I think the #include is the function <=>
> Fml
> > > ( "MySingapore") of MS
> > >
> > > But I don't know ( and never try it) to write
> many #
> > > include in Ami
> > >
> > >
> > >
> > > Stephane
> > >
> > > ----- Original Message -----
> > >
> > > From: Herman van den Bergen <mailto:psytek@x...>
> > >
> > >
> > > To: amibroker@xxxxxxxxxxxxxxx
> > >
> > > Sent: Monday, May 10, 2004 11:07 PM
> > >
> > > Subject: RE: [amibroker] Is it possible to
> reference
> > > a custom formula?
> > >
> > >
> > >
> > > Look up functions, unlimited nesting is allowed.
> > >
> > >
> > >
> > > herman
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: alan_davidson2
> > > [mailto:alan_davidson2@x...]
> > > Sent: Monday, May 10, 2004 5:26 AM
> > > To: amibroker@xxxxxxxxxxxxxxx
> > > Subject: [amibroker] Is it possible to reference
> a
> > > custom formula?
> > >
> > > Is it possible to reference one custom formula
> from
> > > within another?
> > >
> > > In Metastock this would be done by:
> > >
> > > Fml("MyFormula")
> > >
> > > and
> > >
> > > FmlVar("MyFormula","MyVariable").
> > >
> > > Regards,
> > > Alan
> > >
> > >
> > >
> > >
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