Empty [class]

The class splinekit.interval.Empty is the concrete class that handles the empty interval.

This concrete class honors Interval and Universal; it handles the empty interval of real numbers.


class splinekit.interval.empty.Empty

Bases: Interval, Universal

The empty interval \(\{x\in{\mathbb{R}}|x\neq x\}=\emptyset\) that contains no number.


property infimum: float

float("nan")


property supremum: float

float("nan")


property isleftopen: bool

True


property isrightopen: bool

True


property isopen: bool

True


property ishalfopen: bool

False


property isclosed: bool

True


property isleftbounded: bool

True


property isrightbounded: bool

True


property ishalfbounded: bool

False


property isbounded: bool

True


property isdegenerate: bool

False


property isproper: bool

False


property interior: Self

Empty()


property closure: Self

Empty()


property diameter: float

float("nan")


property midpoint: float

float("nan")


sortorder() float

float("-inf")


__contains__(x: float) bool

False