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Triviality in material.cpp

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Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2010-07-19 09:08:28 +02:00
parent 95388a952b
commit 201f924d53
1 changed files with 8 additions and 6 deletions
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14
src/material.cpp
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@ -167,7 +167,8 @@ Phase MaterialInfoTable::game_phase(const Position& pos) {
if (npm >= MidgameLimit)
return PHASE_MIDGAME;
else if (npm <= EndgameLimit)
if (npm <= EndgameLimit)
return PHASE_ENDGAME;
return Phase(((npm - EndgameLimit) * 128) / (MidgameLimit - EndgameLimit));
@ -204,14 +205,15 @@ MaterialInfo* MaterialInfoTable::get_material_info(const Position& pos) {
if ((mi->evaluationFunction = funcs->get<EF>(key)) != NULL)
return mi;
else if (is_KXK<WHITE>(pos) || is_KXK<BLACK>(pos))
if (is_KXK<WHITE>(pos) || is_KXK<BLACK>(pos))
{
mi->evaluationFunction = is_KXK<WHITE>(pos) ? &EvaluateKXK[WHITE] : &EvaluateKXK[BLACK];
return mi;
}
else if ( pos.pieces(PAWN) == EmptyBoardBB
&& pos.pieces(ROOK) == EmptyBoardBB
&& pos.pieces(QUEEN) == EmptyBoardBB)
if ( pos.pieces(PAWN) == EmptyBoardBB
&& pos.pieces(ROOK) == EmptyBoardBB
&& pos.pieces(QUEEN) == EmptyBoardBB)
{
// Minor piece endgame with at least one minor piece per side and
// no pawns. Note that the case KmmK is already handled by KXK.
@ -400,7 +402,7 @@ Key EndgameFunctions::buildKey(const string& keyCode) {
if (keyCode[i] == 'K')
upcase = !upcase;
s << char(upcase? toupper(keyCode[i]) : tolower(keyCode[i]));
s << char(upcase ? toupper(keyCode[i]) : tolower(keyCode[i]));
}
s << 8 - keyCode.length() << "/8/8/8/8/8/8/8 w -";
return Position(s.str(), 0).get_material_key();