public override double Sum(
	int length,
	ArraySlice<double> operand
)

Public Overrides Function Sum ( 
	length As Integer,
	operand As ArraySlice(Of Double)
) As Double

public:
virtual double Sum(
	int length, 
	ArraySlice<double> operand
) override

abstract Sum : 
        length : int * 
        operand : ArraySlice<float> -> float 
override Sum : 
        length : int * 
        operand : ArraySlice<float> -> float