public override double F(double x)
{
var a = base.F(x);
var b = Input2.F(x);
switch (Type)
{
case CombinationType.Add:
return(a + b);
case CombinationType.Substract:
return(a - b);
case CombinationType.Multiply:
return(a * b);
case CombinationType.Divide:
// ReSharper disable once CompareOfFloatsByEqualityOperator
if (b == 0.0)
{
return(double.NaN);
}
return(a / b);
default:
return(double.NaN);
}
}
