/// <summary>
/// Checks whether a number is zero
/// </summary>
/// <param name="num"></param>
/// <returns></returns>
public static bool IsZero(RealNumber num)
{
if (!num.IsDefinite())
{
return(false);
}
return(Functional.IsZero(num.Value));
}
internal static bool AreEqual(RealNumber a, RealNumber b) => a.IsDefinite() && b.IsDefinite() && Math.Abs(a.Value - b.Value) < MathS.Settings.PrecisionErrorCommon || a.State == b.State && !a.IsDefinite();