Exemplos de PositionStruct::Evaluate em C++ (Cpp)

Exemplo n.º 1

Arquivo: search.cpp Projeto: QiuleiWang/eleeye

// 调整型局面评价函数
inline int Evaluate(const PositionStruct &pos, int vlAlpha, int vlBeta) {
  int vl;
  vl = Search.bKnowledge ? pos.Evaluate(vlAlpha, vlBeta) : pos.Material();
  return vl == pos.DrawValue() ? vl - 1 : vl;
}

Exemplo n.º 2

Arquivo: search.cpp Projeto: peteryuanpan/lazyboy

// 静态搜索
int SearchQuiesc ( int alpha, int beta ) {
	int mv, vl;
	int bvl = - MATE_VALUE;
	MoveSortStruct mvsort;

	if ( TimeOut() ) { // 超时
		return bvl;
	}

	// 无害裁剪
	vl = HarmlessPruning ();
	if ( vl > - MATE_VALUE ) {
		return vl;
	}

	// 置换裁剪
	vl = QueryValueInHashTableQC ( alpha, beta );
	if ( vl > - MATE_VALUE ) {
		return vl;
	}

	// 生成着法
	if ( pos.checked ) {
		mvsort.InitMove ();
	}
	else {
		bvl = pos.Evaluate ();
		if ( bvl >= beta ) {
			InsertInfoToHashTableQC ( bvl, MATE_VALUE );
			return bvl;
		}
		if ( bvl > alpha ) {
			alpha = bvl;
		}
		mvsort.InitGoodCapMove ();
	}

	// 大搜索
	while ( (mv = mvsort.NextMove()) != 0 ) {
		pos.MakeMove (mv);
		vl = - SearchQuiesc ( -beta, -alpha );
		pos.UndoMakeMove ();

		if ( TimeOut() ) { // 超时
			return bvl;
		}

		if ( vl > bvl ) {
			bvl = vl;
			if ( bvl >= beta ) {
				if ( bvl > - BAN_VALUE && bvl < BAN_VALUE ) {
					InsertInfoToHashTableQC ( bvl, MATE_VALUE );
				}
				return vl;
			}
			if ( bvl > alpha ) {
				alpha = bvl;
			}
		}
	}

	// 最后
	if ( bvl > - BAN_VALUE && bvl < BAN_VALUE ) {
		InsertInfoToHashTableQC ( bvl, bvl );
	}
	return bvl;
}