SHORT:=12;LONG:=26;M:=9;
C,COLORBLACK;
DIFF :=EMA(CLOSE,SHORT) - EMA(CLOSE,LONG);
DEA :=EMA(DIFF,M);
MACD :=2*(DIFF-DEA);
JCSC:=(M-1)/(M+1)*DEA/(1-2/(M+1));{计算出金叉死叉时的DIFF值}
DD:=(MACD/2+(DEA*(M-1)/(M+1)))/(1-2/(M+1));{计算出明日MACD=MACD时的DIFF值}
DIF拐点:(DIFF*(SHORT+1)*(LONG+1)-(LONG+1)*(SHORT-1)*EMA(C,SHORT)+(SHORT+1)*(LONG-1)*EMA(C,LONG))/(2*((LONG+1)-(SHORT+1)));{计算今日DIFF=DIFF的对应股价}
金叉死叉:(JCSC*(SHORT+1)*(LONG+1)-(LONG+1)*(SHORT-1)*EMA(C,SHORT)+(SHORT+1)*(LONG-1)*EMA(C,LONG))/(2*((LONG+1)-(SHORT+1)));{计算金叉死叉的对应股价}
柱体变向:(DD*(SHORT+1)*(LONG+1)-(LONG+1)*(SHORT-1)*EMA(C,SHORT)+(SHORT+1)*(LONG-1)*EMA(C,LONG))/(2*((LONG+1)-(SHORT+1)));{计算MACD柱体变向时的对应股价};
IF(DIF拐点>=金叉死叉,DIF拐点,DRAWNULL),COLORRED,LINETHICK2;
IF(DIF拐点<金叉死叉,DIF拐点,DRAWNULL),COLORGREEN,LINETHICK2;
IF(柱体变向>=金叉死叉,柱体变向,DRAWNULL),COLORRED,LINETHICK2;
IF(金叉死叉>=柱体变向,金叉死叉,DRAWNULL),COLORBLUE,LINETHICK2;