private static object EvalSubtract(object a, object b)
{
if (a == null)
{
throw new ArgumentNullException(nameof(a));
}
if (b == null)
{
throw new ArgumentNullException(nameof(b));
}
if (a.IsInteger() && b.IsInteger())
{
return(Convert.ToInt64(a, CultureInfo.InvariantCulture) - Convert.ToInt64(b, CultureInfo.InvariantCulture));
}
return(FunctionUtils.CultureInvariantDoubleConvert(a) - FunctionUtils.CultureInvariantDoubleConvert(b));
}
private static object EvalMax(object a, object b)
{
if (a == null)
{
throw new ArgumentNullException(nameof(a));
}
if (b == null)
{
throw new ArgumentNullException(nameof(b));
}
if (FunctionUtils.CultureInvariantDoubleConvert(a) > FunctionUtils.CultureInvariantDoubleConvert(b))
{
return(a);
}
return(b);
}
private static bool Function(IReadOnlyList <object> args)
{
if (args[0] == null || args[1] == null)
{
// null will only equals to null
return(args[0] == null && args[1] == null);
}
if (FunctionUtils.TryParseList(args[0], out IList l0) && l0.Count == 0 && (FunctionUtils.TryParseList(args[1], out IList l1) && l1.Count == 0))
{
return(true);
}
if (GetPropertyCount(args[0]) == 0 && GetPropertyCount(args[1]) == 0)
{
return(true);
}
if (args[0].IsNumber() && args[0].IsNumber())
{
if (Math.Abs(FunctionUtils.CultureInvariantDoubleConvert(args[0]) - FunctionUtils.CultureInvariantDoubleConvert(args[1])) < double.Epsilon)
{
return(true);
}
}
try
{
return(args[0] == args[1] || (args[0] != null && args[0].Equals(args[1])));
}
#pragma warning disable CA1031 // Do not catch general exception types (we return false if it fails for whatever reason)
catch
#pragma warning restore CA1031 // Do not catch general exception types
{
return(false);
}
}
private static bool Function(IReadOnlyList <object> args)
{
return(FunctionUtils.CultureInvariantDoubleConvert(args[0]) >= FunctionUtils.CultureInvariantDoubleConvert(args[1]));
}
private static EvaluateExpressionDelegate Evaluator()
{
return(FunctionUtils.Apply(args => FunctionUtils.CultureInvariantDoubleConvert(args[0])));
}
private static EvaluateExpressionDelegate Evaluator()
{
return(FunctionUtils.Apply(args => Extensions.IsNumber(args[0]) && FunctionUtils.CultureInvariantDoubleConvert(args[0]) % 1 != 0));
}
private static object Evaluator(IReadOnlyList <object> args)
{
return(Math.Pow(FunctionUtils.CultureInvariantDoubleConvert(args[0]), FunctionUtils.CultureInvariantDoubleConvert(args[1])));
}