Bearish Tweezer Top [DTT]

Rules:
1. The first candlestick is a long green candlestick.
2. The second candlestick is a short red candlestick or short green candlestick whose high is equal to that of the first candlestick.

Pattern Type:
Bearish Reversal.

	 ' Assign the parameters to script variables.
	_symbolIndex = symbolIndex
	_minCandleSize = minCandleSize
	_maxShortCandleSize = maxShortCandleSize

	 ' Get the opening prices of the symbol, indexed by bar index. 
	Define open() As Number = BarOpen(_symbolIndex, barIndex, 2)
	 ' Get the highest prices of the symbol, indexed by bar index. 
	Define high() As Number = BarHigh(_symbolIndex, barIndex, 2)
	 ' Get the closing prices of the symbol, indexed by bar index. 
	Define close() As Number = BarClose(_symbolIndex, barIndex, 2)
	 ' Check whether the first candlestick matches.
	If (open(1) < close(1) And _
	    (100 * (close(1) - open(1)) / open(1) >  _minCandleSize)) Then
		 ' Check whether the second candlestick matches.
		If (open(0) >= close(0) And _
			high(0) = high(1) And _
			(MathAbs(100 * (close(0) - open(0)) / open(0)) < _maxShortCandleSize)) Then
			Return 2
		End If
	End If
	Return 0