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Maths Expression Error (Or Feature)

Subject: Maths Expression Error (Or Feature)
From: Alex Drinkwater <email@hidden>
Date: Tue, 7 Jul 2009 09:52:45 +0000 (GMT)
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Does the Mathematical _expression_ patch not work with nested ternary logic?

This:

(IntegratorResult < Min && Value < 0) ? 0 :(IntegratorResult > Max && Value > 0) ? 0 : Value

doesn't produce the desired effect when connected to/from an Integrator patch (it looks like only the second conditional is evaluated), whereas the same logic in a _javascript_ patch:

function (__number ToIntegrator)

main

(__number Value, __number Min, __number Max, __number IntegratorResult)

{

var result = new Object();

result.ToIntegrator = (IntegratorResult < Min && Value < 0) ? 0 :

(IntegratorResult > Max && Value > 0) ? 0 : Value;

return result;

}

works fine.

Is this a known limitation of the Mathematical _expression_ patch, and if so, is there some workaround to avoid the overhead of using a JS patch?

I've attached a little demo QTZ to show the two methods in action.

Cheers,

a|x

http://machinesdontcare.wordpress.com

Attachment: tb_MathsExpressionLogicDemo.qtz
Description: application/quartzcomposer

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