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[Zorro] Possible bug in ATRS in include.c #445505
09/11/14 21:22
09/11/14 21:22
Joined: Nov 2013
Posts: 123
Mithrandir77 Offline OP
Member
Mithrandir77  Offline OP
Member

Joined: Nov 2013
Posts: 123
I was digging in indicators.c when I spotted a possibly error in the implementation of the ATRS indicator:

Code:
// Simple ATR based on SMA
var ATRS(int Period)
{
	Period = max(1,Period);
	var vATRS =  0;
	for(g_count = 0; g_count < Period; g_count++)
		vATRS = priceHigh(g_count)-priceLow(g_count);
	return vATRS/Period;
}



Shouldn't it be inside the for

Code:
vATRS += priceHigh(g_count)-priceLow(g_count);



? because in the present version it is not adding up the ATR ranges, only the last one is returned.

Re: [Zorro] Possible bug in ATRS in include.c [Re: Mithrandir77] #445515
09/12/14 08:22
09/12/14 08:22
Joined: Jul 2000
Posts: 28,075
Frankfurt
jcl Offline

Chief Engineer
jcl  Offline

Chief Engineer

Joined: Jul 2000
Posts: 28,075
Frankfurt
Thanks, this was indeed a bug and will be fixed in the next release.

Workaround: Copy the ATRS code in your script, rename the function to "ATRS_Fixed", and replace the = with a += in the for loop.


Moderated by  jcl, Nems, Spirit, Tobias 

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