Enum Bound 

pub enum Bound {
    NegInf,
    Finite(BigRational),
    PosInf,
}

An endpoint of an interval, which can be finite or infinite.

Variants

NegInf

Negative infinity.

Finite(BigRational)

A finite rational value.

PosInf

Positive infinity.

Implementations

impl Bound

pub fn finite(r: BigRational) -> Self

Create a finite bound.

pub fn from_int(n: i64) -> Self

Create a finite bound from an integer.

pub fn is_finite(&self) -> bool

Check if this bound is finite.

pub fn is_infinite(&self) -> bool

Check if this bound is infinite.

pub fn is_neg_inf(&self) -> bool

Check if this bound is negative infinity.

pub fn is_pos_inf(&self) -> bool

Check if this bound is positive infinity.

pub fn as_finite(&self) -> Option<&BigRational>

Get the finite value, or None if infinite.

pub fn negate(&self) -> Bound

Negate the bound.

pub fn add(&self, other: &Bound) -> Bound

Add two bounds.

pub fn sub(&self, other: &Bound) -> Bound

Subtract two bounds.

pub fn mul(&self, other: &Bound) -> Bound

Multiply two bounds.

pub fn cmp_bound(&self, other: &Bound) -> Ordering

Compare two bounds.

pub fn min(&self, other: &Bound) -> Bound

Get the minimum of two bounds.

pub fn max(&self, other: &Bound) -> Bound

Get the maximum of two bounds.

Trait Implementations

impl Clone for Bound

fn clone(&self) -> Bound

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Bound

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for Bound

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for Bound

impl Ord for Bound

fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for Bound

fn eq(&self, other: &Bound) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl PartialOrd for Bound

fn partial_cmp(&self, other: &Self) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl StructuralPartialEq for Bound