关于或等于运算运用简单说明

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//S_CARD_BIG 1                         0000 0001
//S_CARD_SMALL 2					0000 0010
//S_CARD_PAIR 4						0000 0100

BYTE GetSpecialCardType(const BYTE cbCardData[], BYTE cbCardCount)
{
	AssertReturn(cbCardData != NULL, return S_CARD_BIG;);
	AssertReturn(cbCardCount == 2, return S_CARD_BIG);
	BYTE bCardValue1 = GetCardValue(cbCardData[0]);
	BYTE bCardValue2 = GetCardValue(cbCardData[1]);
	BYTE cardType = 0;
	bCardValue1 = bCardValue1 >= 0x0A ? 10 : bCardValue1;
	bCardValue2 = bCardValue2 >= 0x0A ? 10 : bCardValue2;
	
	if (bCardValue1 == bCardValue2)
	{
		cardType |= S_CARD_PAIR;
	}
	if (bCardValue1 + bCardValue2 > CT_POINT_13)
	{
		cardType |= S_CARD_BIG;
	}
	else if(bCardValue1 + bCardValue2 < CT_POINT_13)
	{
		cardType |= S_CARD_SMALL;
	}
	else
	{
		cardType |= S_CARD_13;
	}
	return cardType;
}

int GetSpecialCardTypeMultiple(BYTE cardType, UserBetTypeEnum betType)
{
	int Multi = -1;
	if (betType == CMD_S_UserBet_PAIR)
	{
		if (cardType & S_CARD_PAIR)
			Multi = 11;
	}
	else
	{
		if (betType == CMD_S_UserBet_BIG13 && (cardType & S_CARD_BIG))
			Multi = 1;
		if (betType == CMD_S_UserBet_SMALL13 && (cardType & S_CARD_SMALL))
			Multi = 1;
	}   
	return Multi;
}

//cardType  0000 0000
// |=S_CARD_PAIR   0000 0100 后可以让cardType变为  0000 0100
// |=S_CARD_BIG  0000 0001 后可以让cardType变为  0000 0101
//这样让cardType中包含了 两种类型 ，当然你也可以根据自己需要BYTE 有8位