public static Entity Eval(List <Entity> args)
{
MathFunctions.AssertArgs(args.Count, 1);
var arg = args[0].InnerEval();
if (arg.entType == Entity.EntType.NUMBER)
{
return(new NumberEntity(Number.Arccotan((arg as NumberEntity).Value)));
}
else
{
return(Arccotanf.Hang(arg));
}
}
public Entity Arccotan() => Arccotanf.Hang(this);
public static Entity Arccotan(Entity a) => Arccotanf.Hang(a);