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Gary,
It is more simple to have
function CloseLenBarsAgo(Len)
{
CloseAgo = Ref(C, -Len);
return CloseAgo;
}
Len=1;
MyClose = CloseLenBarsAgo(Len);
HighAgo = Ref(H, -Len);
LowAgo = Ref(L, -Len);
Dimitris Tsokakis
--- In amibroker@xxxxxxxxxxxxxxx, "Gary A. Serkhoshian"
<serkhoshian777@xxxx> wrote:
> 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@xxxx> 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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