Re: Bug in 4PL68 eval.c

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Article #5134

#5134

From: Ralf W. Stephan
Date: Sun, 20 Feb 1994 10:25

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Roger Uzun writes:
> There is a problem in gnuchess 4pl68 around line 661, the slk
> code looks wrong, a mix of 2 fixes that will probably fail.
>...
> We should see:

>         if ( !slk && (ply == 1 ||
                       ^
                       |

> You should not do the code if slk is true...it would seem to me.
> Can someone tell me if 4pl68 is correct as is?  

You're right.  It is not correct as is.  The bug is the missing
parens after the test for !slk.

> would you want to have the || slk after CheckEETable(side) ???

No.  It is simply redundant.


Ralf 'waiting for Bordeaux' Stephan

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From: ralf@ark.btbg.sub.de (Ralf W. Stephan)
Subject: Re: Bug in 4PL68 eval.c
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Date: Sun, 20 Feb 1994 10:25:41 GMT
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