public override CompileResult Execute(IEnumerable <FunctionArgument> arguments, ParsingContext context)
{
ValidateArguments(arguments, 1);
var lowerLimit = ArgToDecimal(arguments, 0);
var upperLimit = default(double?);
if (arguments.Count() > 1)
{
upperLimit = ArgToDecimal(arguments, 1);
}
var retVal = !upperLimit.HasValue ? ErfHelper.Erf(lowerLimit) : ErfHelper.Erf(lowerLimit, upperLimit.Value);
return(CreateResult(retVal, DataType.Decimal));
}
