/// <summary>Executes the function on specified numbers.</summary>
/// <param name="numbers">The numbers used in the function.</param>
/// <returns>The result of the function execution.</returns>
/// <exception cref="ArgumentNullException">When numbers is null.</exception>
/// <exception cref="ArgumentException">When the length of numbers do not equal <see cref="ArgumentCount"/>.</exception>
public object Execute(object[] numbers)
{
base.Validate(numbers);
string function = char.ToUpperInvariant(_function[0]) + _function.Substring(1);
switch (function)
{
case "Abs":
return(DataMath.Abs(numbers[0]));
case "Acos":
return(DataMath.Acos(numbers[0]));
case "Asin":
return(DataMath.Asin(numbers[0]));
case "Atan":
return(DataMath.Atan(numbers[0]));
case "Cos":
return(DataMath.Cos(numbers[0]));
case "Exp":
return(DataMath.Exp(numbers[0]));
case "Log":
return(DataMath.Log(numbers[0]));
case "Log10":
return(DataMath.Log10(numbers[0]));
case "Sin":
return(DataMath.Sin(numbers[0]));
case "Sqrt":
return(DataMath.Sqrt(numbers[0]));
case "Tan":
return(DataMath.Tan(numbers[0]));
default:
return(null);
}
}