/// <summary>
/// Converts a parameter to an integer
/// </summary>
/// <param name="index">Index of parameter to convert</param>
/// <returns></returns>
public int ToInt(int index)
{
double?v = ConConverter.ToDouble(this[index]);
if (!v.HasValue)
{
Command.ThrowNaNError(this[index], ErrorCode.NOT_A_NUMBER);
throw new InvalidCastException("NaN");
}
if (Math.Round(v.Value) != v.Value)
{
Command.ThrowNoFloatsAllowedError(v.Value, ErrorCode.NUMBER_NOT_INTEGER);
throw new InvalidCastException("Not an integer");
}
try
{
return((int)Math.Round(v.Value));
}
catch (Exception)
{
Command.ThrowNoFloatsAllowedError(v.Value, ErrorCode.NUMBER_NOT_INTEGER);
throw new InvalidCastException("Conversion not possible");
}
}
/// <summary>
/// Converts a parameter to a double
/// </summary>
/// <param name="index">Index of parameter to convert</param>
/// <returns></returns>
public double ToDouble(int index)
{
double?v = ConConverter.ToDouble(this[index]);
if (!v.HasValue)
{
Command.ThrowNaNError(this[index], ErrorCode.NOT_A_NUMBER);
throw new InvalidCastException("NaN");
}
return(v.Value);
}
/// <summary>
/// Checks whether an argument can be represented as a double
/// </summary>
/// <param name="index">Index of parameter to check</param>
/// <returns></returns>
public bool IsDouble(int index)
{
return(ConConverter.ToDouble(this[index]).HasValue);
}
