Float64ToDecimal converts float64 to decimal.

Float64ToDecimalScale converts float64 to decimal; user can specify the scale.

Int64ToDecimalScale converts float64 to decimal; user can specify the scale.

ScaleBytes converts a stringified decimal to a scaled byte slice.

StringToDecimalScale converts string to decimal.

Decimal represents decimal type in the Microsoft Open Specifications: http://msdn.microsoft.com/en-us/library/ee780893.aspx.