Author: Daniel Mehrmannn
Date: 15:34:34 11/17/05
Go up one level in this thread
On November 17, 2005 at 18:13:36, Dann Corbit wrote:
>On November 17, 2005 at 17:05:24, Jarkko Pesonen wrote:
>
>>http://www.uciengines.de/UCI-Engines/TogaII/togaii.html
>>
>>engine name Toga 1.0MV.6
>>
>
>static int full_search(board_t * board, int alpha, int beta, int depth, int
>height, mv_t pv[], int node_type) {
>// ...
>// I set FutilityMargin in the general case, because some paths
>// could leave it uninitialized.
> int FutilityMargin = FutilityMargin3;
>
>Consider the following when depth >= 3:
>
> if (depth < 2)
> FutilityMargin = FutilityMargin1;
> else if (depth < 3)
> FutilityMargin = FutilityMargin2;
> /* else
> FutilityMargin = FutilityMargin3; */
>
>Perhaps futility pruning is never used in such a case, but then if so there is
>no harm in setting the value.
btw this looks like a very slow coding. It's better to use here switch()/case
stuff for an faster code instead the expensive if() stuff.
Best,
Daniel
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