public override CompileResult Execute(IEnumerable <FunctionArgument> arguments, ParsingContext context)
{
ValidateArguments(arguments, 2);
var number = ArgToDecimal(arguments, 0, context.Configuration.PrecisionAndRoundingStrategy);
var significance = ArgToDecimal(arguments, 1);
if (RoundingHelper.IsInvalidNumberAndSign(number, significance))
{
return(CreateResult(eErrorType.Num));
}
return(CreateResult(RoundingHelper.Round(number, significance, RoundingHelper.Direction.Up), DataType.Decimal));
}
public override CompileResult Execute(IEnumerable <FunctionArgument> arguments, ParsingContext context)
{
ValidateArguments(arguments, 2);
var number = ArgToDecimal(arguments, 0);
var significance = ArgToDecimal(arguments, 1);
if ((number > 0 && significance < 0) || (number < 0 && significance > 0))
{
return(CreateResult(eErrorType.Num));
}
return(CreateResult(RoundingHelper.Round(number, significance, RoundingHelper.Direction.Nearest), DataType.Decimal));
}
public override CompileResult Execute(IEnumerable <FunctionArgument> arguments, ParsingContext context)
{
ValidateArguments(arguments, 1);
var number = ArgToDecimal(arguments, 0);
var significance = (arguments.Count() > 1) ? ArgToDecimal(arguments, 1) : 1;
var mode = (arguments.Count() > 2) ? ArgToDecimal(arguments, 2) : 0d;
if (RoundingHelper.IsInvalidNumberAndSign(number, significance))
{
return(CreateResult(eErrorType.Num));
}
return(CreateResult(RoundingHelper.Round(number, significance, mode != 0d ? RoundingHelper.Direction.Up : RoundingHelper.Direction.AlwaysUp), DataType.Decimal));
}
/// <summary>
/// Rank functions rounds towards zero, i.e. 0.41666666 should be rounded to 0.4166 if 4 decimals.
/// </summary>
/// <param name="number">The number to round</param>
/// <param name="sign">Number of siginicant digits</param>
/// <returns></returns>
protected double RoundResult(double number, int sign)
{
return(RoundingHelper.RoundToSignificantFig(number, sign, false));
}
