[amibroker] Re: Compacting IF statements and variable assignments

["ozzyapeman" <zoopfree@xxxxxxxxxxx>]

Thanks Mike and GP.


--- In amibroker@xxxxxxxxxxxxxxx, "gp_sydney" <gp.investment@xxx> wrote:
>
> If the rank values are all as regular as the ones shown, then a
> single-line formula would do it as already indicated. However, if they
> aren't all regular and can't easily be calculated by a single
> equation, then a switch/case statement should be more efficient than a
> pile of "if" statements, although not a lot shorter to write:
> 
> Buy = False;
> switch (A) {
>     case 0:
>         Buy = Rank < 0; break;
>     case 1:
>         Buy = Rank >=0  AND  Rank < 60; break;
>      ...
>     case 100:
>         Buy = etc...; break;
>     }
> 
> Regards,
> GP
> 
> 
> --- In amibroker@xxxxxxxxxxxxxxx, "ozzyapeman" <zoopfree@> wrote:
> >
> > Hello, hoping someone can put in their two cents on how to compact IF 
> > statements and variable assignments.    In the below partial code
> > snippet, I set up 100 variables for optimization.  Then, depending on
> > the optimization, I want to set the "final" variable to the  optimized
> > variable. But this entails me manually writing out 100 IF statements. 
> > Is there some function or coding strategy that can be used to compact
> > all of the  below?       A            = Optimize("A",    0,      0,   
> > 100,     1);    Tier0        = Rank < 0;
> > Tier1        = Rank >=0  AND  Rank < 60;
> > Tier2        = Rank  >=30 AND Rank < 60;
> > Tier3        = Rank >=60 AND  Rank < 90;
> > Tier4        = Rank  >=90 AND Rank < 120;
> > .
> > .  ETC.
> > .
> > Tier100      = Rank...  ETC.
> > 
> > 
> > if(A == 0)  Tier = Tier0;
> > if(A == 1)  Tier = Tier1;
> > if(A == 2)  Tier = Tier2;
> > if(A == 3)  Tier = Tier3;
> > if(A == 4)  Tier = Tier4;
> > .
> > .  ETC.
> > .
> > if(A ==100)  Tier = Tier100;
> > 
> > 
> > Buy = Tier;
> >
>



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