DIF:=EMA(CLOSE,12)-EMA(CLOSE,26);
DEA:=EMA(DIF,13);
MACD:=(DIF-DEA)*2;
A:=MACD;{月线的MACD}
A1:=REF(MACD,1);{上个月线的MACD}
A2:=REF(MACD,2);{两个前月线的MACD}
D:=DIF;{月线的DIF}
D1:=REF(DIF,1);{上个月线的DIF}
D2:=REF(DIF,2);{两个前月线的DI}
{信号}
B:A2>=A1 AND A>=A1 AND
A>0 AND A1>0 AND A2>0 AND
D>0 AND D1>0 AND D2>0 ;
