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Space inflate extension() code

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No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2008-10-26 18:16:23 +01:00
parent 13d1776a98
commit 0936a96a0e
1 changed files with 27 additions and 18 deletions
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45
src/search.cpp
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@ -1997,26 +1997,35 @@ namespace {
Depth extension(const Position &pos, Move m, bool pvNode,
bool check, bool singleReply, bool mateThreat) {
Depth result = Depth(0);
if(check)
result += CheckExtension[pvNode];
if(singleReply)
result += SingleReplyExtension[pvNode];
if(pos.move_is_pawn_push_to_7th(m))
result += PawnPushTo7thExtension[pvNode];
if(pos.move_is_passed_pawn_push(m))
result += PassedPawnExtension[pvNode];
if(mateThreat)
result += MateThreatExtension[pvNode];
if(pos.midgame_value_of_piece_on(move_to(m)) >= RookValueMidgame
&& (pos.non_pawn_material(WHITE) + pos.non_pawn_material(BLACK)
- pos.midgame_value_of_piece_on(move_to(m)) == Value(0))
&& !move_promotion(m))
result += PawnEndgameExtension[pvNode];
if(pvNode && pos.move_is_capture(m)
&& pos.type_of_piece_on(move_to(m)) != PAWN && pos.see(m) >= 0)
result += OnePly/2;
if (check)
result += CheckExtension[pvNode];
if (singleReply)
result += SingleReplyExtension[pvNode];
if (pos.move_is_pawn_push_to_7th(m))
result += PawnPushTo7thExtension[pvNode];
if (pos.move_is_passed_pawn_push(m))
result += PassedPawnExtension[pvNode];
if (mateThreat)
result += MateThreatExtension[pvNode];
if ( pos.midgame_value_of_piece_on(move_to(m)) >= RookValueMidgame
&& ( pos.non_pawn_material(WHITE) + pos.non_pawn_material(BLACK)
- pos.midgame_value_of_piece_on(move_to(m)) == Value(0))
&& !move_promotion(m))
result += PawnEndgameExtension[pvNode];
if ( pvNode
&& pos.move_is_capture(m)
&& pos.type_of_piece_on(move_to(m)) != PAWN
&& pos.see(m) >= 0)
result += OnePly/2;
return Min(result, OnePly);
}