.IndustrialControlSystems.MathOperations.RealType.Interfaces.RealNinOperation .IndustrialControlSystems.MathOperations.RealType.Interfaces.RealNinOperationReal math operations.
When using fixed point real numbers, Nbit is the number of bits that can be represented. The range is
Xfp in [-2Nbit - 1 + 1 ,..., 2Nbit - 1]Then it is possible to define a scaleFactor
X = Xfp/scaleFactorWhen the Fixed Point representation is selected (through the selection of the boolean flag FixedPoint), each input number u[:] is converted into an integer Ufp[:]
Ufp[:] = u[:]*scaleFactorthen the result of the math operation Yfp is computed and converted into the output value y. The output conversion depends on the math operation performed.
To note that the Fixed Point numbers have a maximum and minimum value. In order to avoid saturation when performing the computations, the number of bit as well the scale factor have to be choosen carefully.