[amibroker] Re: Recursive Boolean Expressions... Possible?

["gp_sydney" <gp.investment@xxxxxxxxx>]

No, you can't do that as the right-hand expression is evaluated on the
whole array before anything is assigned to the left-hand variable.
That means that "varx" is effectively constant during the expression
evaluation for the whole array. It's essentially the same as:

temp = IIf(C<Ref(L,-6) AND vary<6 AND NOT Ref(varx,-6),True,False);
varx = temp;

To do what you are suggesting would require a loop.

Regards,
GP


--- In amibroker@xxxxxxxxxxxxxxx, "sidhartha70" <sidhartha70@xxx> wrote:
>
> Hi All,
> 
> Is it possible to have recursive boolean expressions...? i.e. the true
> or false of the current value of the array depends on whether a
> previous value of the array is true or false.
> 
> So for example,
> 
> varx = IIf(C<Ref(L,-6) AND vary<6 AND NOT Ref(varx,-6),True,False);
> 
> Would that work... or are recursive booleans like this not allowed??
> 
> TIA
>



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