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RE: [Bug-gnubg] Analysis bug ?

From: Christian Anthon
Subject: RE: [Bug-gnubg] Analysis bug ?
Date: Fri, 10 Mar 2006 15:57:53 +0100
User-agent: Mutt/1.5.10i

On Fri, Mar 10, 2006 at 10:01:23AM +0000, Jonathan Kinsey wrote:
> I've had a quick look and the code that decides if it's above TG or below 
> DP uses the CashPoint function, this reuturns .632 as the cash point, it's 
> about .657 to play on.

If winning chances are above the cashpoint it must be a pass. Something
must be wrong with the numbers here, though 0.632 is in the fully live
to dead cube window. The logic seems to be that if a double is wrong,
but cashable  it must be too good. Which should be okay, except for the
fact that gnubg doesn't think it is cashable atall.

Anyway a consistent view could be obtained by checking if the optimal
cube action has a value below or above 1.0. That is changing the
condition to:

        if (arDouble[ OUTPUT_OPTIMAL ] >1.0f) {
        too good
        else {
        not good enough


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