public static double RoundInsignificantBits(this double value, Binary64InsignificantBits insignificantBits)
 {
     return(((Binary64)value).Round(insignificantBits));
 }
 public static double GetPreviousRepresentableValue(this double value,
                                                    Binary64InsignificantBits insignificantBits)
 {
     return(((Binary64)value).PreviousRepresentableValue(insignificantBits));
 }