[amibroker] AFL: ADX CODES

[itmwh]

I previously used following codes for ADX in another charting software,
but I found AB must have a different version of ADX

Could someone tell me what is the difference ?

Thanks

Tom
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TR = SUM(MAX(MAX(HIGH-LOW,ABS(HIGH-REF(CLOSE,1))),ABS(LOW-REF
(CLOSE,1))),P);
HD = HIGH-REF(HIGH,1);
LD = REF(LOW,1)-LOW;
DMP= SUM(IF(HD>0 AND HD>LD,HD,0),P);
DMM= SUM(IF(LD>0 AND LD>HD,LD,0),P);
PDI=DMP*100/TR;
MDI=DMM*100/TR;
ADX= MA(ABS(MDI-PDI)/(MDI+PDI)*100,P);