[amibroker] Problem with using "function" in AFL

["soundscribe_studios" <jgalt@xxxxxxxxxxxx>]

I need to call a function with parameters, but for some reason I can't
get it to work when using the variables passed into the function. In
the code below, if I explicitly set the variable values, the function
works fine -- executing about 80 trades. If I have them commented out
(and the passed in values are used), the system doesn't execute any
trades. I make no other changes.

I've plotted the values when passed in and they appear to be correct.
What am I missing here? This is AB 4.80.1 although it behaves the same
on older versions as well.

What's also odd is if I plot the "Buy" array, it looks exactly the
same whether or not the variables are explicitly set -- just no trades
get executed when the passed in values are used. At a loss here...

/////////////////////////////////
.... some code to read from a file ...

function rule1(aver,width,percent)
	{

//aver =10;
//width=1.5;
//percent=1.005;

	Bbot = BBandBot(Close,aver,width);
	Buy_cond1 = Close < BBot /percent;
	BuyPrice = Close;
}

if (p11 = 1)
{
//rule1(p12,p13,p14);
rule1(10,1.5,1.005);
}


..... some other code -- nothing touching Buy_cond1 or Buy ....


entrybar = -1;

//Buy = Buy_cond1 AND Buy_cond2 AND Buy_cond3;
Buy = Buy_cond1;

// exit code

for( i = 0; i < BarCount; i++ )
	{
	if( entrybar == -1 AND Buy[ i ] )
		{
		entrybar = i;
		}

	if( entrybar != -1 AND i > entrybar AND Close[ i ] > Close[ entrybar
]+0.02 OR i-entrybar>=20 ) 
		{
		Sell[ i ] = 1;
		SellPrice[ i ] = Close[ i ];
		entrybar = -1;
		}
	else
		{
		Sell[ i ] = 0;
		}
	}






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