[amibroker] Re: Do Loop can not work if Initial value begin from middle of the data range

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

The problem is that the Price parameter passed to the function is an
array, since ValueWhen returns an array, and that makes HLow an array
and you can't test arrays in an "if" statement.

GP


--- In amibroker@xxxxxxxxxxxxxxx, "wongloktim" <wlt@xxx> wrote:
>
> Please Help
> 
> I found this cause Do Loop problem:{for(i=bars+1; i<BarCount;i++)}
> 
> ////////////////////////////////////////////////////////////////////
> SetChartOptions(0,chartShowArrows|chartShowDates);
> _N(Title = FullName()+StrFormat("  {{NAME}} - {{INTERVAL}} {{DATE}} 
> Open %g, Hi %g, Lo %g, Close %g (%.1f%%) {{VALUES}}", O, H, L, C, 
> SelectedValue( ROC( C, 1 ) ) ));
> Plot( C,"Price",colorBlack,64 );
> 
> function HigherLow(Bars,Price)
> {
> HLow=Price;
> HLowArr=Null;
> if(Bars>0)
> 	{  
> 		for(i=bars+1; i<BarCount;i++)
> 		{
> 		if(Low[i] >= HLow)
> 			{
> 			HLow=Low[i];
> 			HLowArr[i]=HLow;
> 			}
> 		else
> 			HlowArr[i]=HLow;		
> 		}
> 	}
> return HlowArr;
> }
> Start = SelectedValue(BarIndex());
> Price=ValueWhen(BarIndex()==start,L,1);
> Test=HigherLow(Start,Price);
> Plot(IIf(start,Test,Null),"StopLoss",colorRed,4);
> 
> ///////////////////////////////////////////////////////////
>




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