Author: Ryan B.
Date: 15:38:53 11/17/05
Go up one level in this thread
On November 17, 2005 at 18:34:34, Daniel Mehrmannn wrote:
>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
with so few options this is trivial.
Ryan
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