[amibroker] Re: Access Error when trying to VarGet from within a VarSet loop

["ozzyapeman" <zoopfree@xxxxxxxxxxx>]

Thanks for the info and suggestions Mike.

Hopefully Tomasz can spot the issue from the crash report. But I think I will try storing in local vars as you suggest - see if that makes a difference.


--- In amibroker@xxxxxxxxxxxxxxx, "Mike" <sfclimbers@xxx> wrote:
>
> 
> Your code seems to work fine for me, using arbitrary values for Counter
> and TestLevel.
> 
> Add a _TRACE statement to validate your HiLoCond values.
> 
> I seem to recall getting access violations when using invalid index
> values (e.g. referencing beyond the data). You might want to look there.
> 
> Also, you can avoid the redundant VarGet calls by storing your earlier
> results in local variables and reusing them, rather than doing a dynamic
> lookup for something that you just calculated.
> 
> Mike
> 
> for ( R = 0; R <= Counter; R++ )
> {
>      MyHigh = Ref( High, -R );
>      MyLow = Ref( Low, -R );
> 
>      VarSet( "High"     + R, MyHigh );
>      VarSet( "Low"      + R, MyLow );
> 
>      VarSet( "HiLoCond" + R, MyHigh - MyLow >= TestLevel ) ;
> }
> 
> 
> --- In amibroker@xxxxxxxxxxxxxxx, "ozzyapeman" <zoopfree@> wrote:
> >
> > Hoping someone can help with this. I am getting an Access Violation
> > AmiBroker crash, and it seems to be due to using VarGet from within a
> > VarSet loop, or at least I think that is where the problem lies.
> >
> > For example, I have several loops of this type:
> >
> >
> > for ( R = 0; R <= Counter; R++ )
> > {
> > VarSet( "High" + R, Ref( High, -R ) );
> > VarSet( "Low" + R, Ref( Low, -R ) );
> >
> > VarSet( "HiLoCond" + R, VarGet( "High" + R ) - VarGet("Low" + R) >=
> > TestLevel ) ;
> > }
> >
> >
> >
> > You will notice I am setting some dynamic vars, and within the same
> loop
> > I am getting vars which have been set earlier in the loop. Is this
> > allowed? Or can I only do a VarGet from inside a completely separate
> > loop? I would think that in the order of execution, I can do what I am
> > doing, since the vars are set a couple of lines above, but maybe not?
> >
>




------------------------------------

**** IMPORTANT PLEASE READ ****
This group is for the discussion between users only.
This is *NOT* technical support channel.

TO GET TECHNICAL SUPPORT send an e-mail directly to 
SUPPORT {at} amibroker.com

TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
http://www.amibroker.com/feedback/
(submissions sent via other channels won't be considered)

For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
http://www.amibroker.com/devlog/

Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/amibroker/

<*> Your email settings:
    Individual Email | Traditional

<*> To change settings online go to:
    http://groups.yahoo.com/group/amibroker/join
    (Yahoo! ID required)

<*> To change settings via email:
    mailto:amibroker-digest@xxxxxxxxxxxxxxx 
    mailto:amibroker-fullfeatured@xxxxxxxxxxxxxxx

<*> To unsubscribe from this group, send an email to:
    amibroker-unsubscribe@xxxxxxxxxxxxxxx

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/