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Subject: Re: Bizar Question for programmers: very strange behaviour of my engine

Author: Dann Corbit

Date: 12:15:36 01/17/06

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On January 17, 2006 at 11:13:04, Chan Rasjid wrote:

>On January 16, 2006 at 16:16:13, JW de Kort wrote:
>
>>Hi all,
>>
>>In my engine i want to use the following line:
>>
>>    !(bfZwart[kol+1]&bfBoven[rij])
>>
>>In only a few cases this lines crashes my engine. If i change the +1 to any
>>other value there is no problem!
>>
>>Does anybody know were i have to look for to solve this problem? I do not
>>understand how a comparison like the above can cause a program to crash.
>>
>>regards
>>Jan Willem
>
>If ko1 == -2, then problem.

This seems likely, since he already checked the past the end problem.

If the index is not before the start and it is not after the end, then the
problem is from something more sinister like a memory overwrite or stack
overflow.



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