private bool _enterLong;
private bool _enterShort;

private void SetEntrySignal()

    {

        if( Slope(EMA(20),5,0)>-0.01 && Slope(EMA(20),5,0)<0.01)

    {

       _enterLong = Close[0] > Open[0];

       _enterLong &= Open[0] > High[1];

    }

       _enterShort = Close[0] < Open[0];

       _enterShort &= Open[0] < Low[1];

    }