Struct rational::Rational

pub struct Rational { /* fields omitted */ }

A rational number (a fraction of two integers).

Implementations

impl Rational

pub fn new<N, D>(numerator: N, denominator: D) -> Self where
    Rational: From<N>,
    Rational: From<D>, 

Construct a new Rational.

Panics

• If the resulting denominator is 0.

pub fn new_checked<N, D>(numerator: N, denominator: D) -> Option<Self> where
    Rational: From<N>,
    Rational: From<D>, 

Construct a new Rational, returning None if the denominator is 0.

pub fn numerator(&self) -> i128

Get the numerator in this Rational.

pub fn denominator(&self) -> i128

Get the denominator in this Rational.

pub fn inverse_checked(self) -> Option<Self>

Returns the inverse of this Rational, or None if the denominator of the inverse is 0.

pub fn inverse(self) -> Self

Returns the inverse of this Rational.

Panics

• If the denominator of the inverse is 0.

pub fn decimal_value(self) -> f64

Returns the decimal value of this Rational. Equivalent to f64::from(self).

pub fn checked_add<T>(self, other: T) -> Option<Self> where
    Self: From<T>, 

pub fn checked_mul<T>(self, other: T) -> Option<Self> where
    Self: From<T>, 

pub fn checked_sub<T>(self, other: T) -> Option<Self> where
    Self: From<T>, 

pub fn checked_div<T>(self, other: T) -> Option<Self> where
    Self: From<T>, 

Trait Implementations

impl<T> Add<T> for Rational where
    Rational: From<T>, 

type Output = Self

The resulting type after applying the + operator.

fn add(self, rhs: T) -> Self::Output

Performs the + operation.

impl<T> AddAssign<T> for Rational where
    Rational: From<T>, 

fn add_assign(&mut self, rhs: T)

Performs the += operation.

impl Clone for Rational

fn clone(&self) -> Rational

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Rational

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

Formats the value using the given formatter.

impl Display for Rational

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

Formats the value using the given formatter.

impl<T> Div<T> for Rational where
    Rational: From<T>, 

type Output = Self

The resulting type after applying the / operator.

fn div(self, rhs: T) -> Self::Output

Performs the / operation.

impl<T> DivAssign<T> for Rational where
    Rational: From<T>, 

fn div_assign(&mut self, rhs: T)

Performs the /= operation.

impl From<i128> for Rational

fn from(v: i128) -> Self

Performs the conversion.

impl From<i16> for Rational

fn from(v: i16) -> Self

Performs the conversion.

impl From<i32> for Rational

fn from(v: i32) -> Self

Performs the conversion.

impl From<i64> for Rational

fn from(v: i64) -> Self

Performs the conversion.

impl From<i8> for Rational

fn from(v: i8) -> Self

Performs the conversion.

impl From<isize> for Rational

fn from(v: isize) -> Self

Performs the conversion.

impl From<u16> for Rational

fn from(v: u16) -> Self

Performs the conversion.

impl From<u32> for Rational

fn from(v: u32) -> Self

Performs the conversion.

impl From<u64> for Rational

fn from(v: u64) -> Self

Performs the conversion.

impl From<u8> for Rational

fn from(v: u8) -> Self

Performs the conversion.

impl Hash for Rational

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given Hasher.

impl<T> Mul<T> for Rational where
    Rational: From<T>, 

type Output = Self

The resulting type after applying the * operator.

fn mul(self, rhs: T) -> Self::Output

Performs the * operation.

impl<T> MulAssign<T> for Rational where
    Rational: From<T>, 

fn mul_assign(&mut self, rhs: T)

Performs the *= operation.

impl Neg for Rational

type Output = Self

The resulting type after applying the - operator.

fn neg(self) -> Self::Output

Performs the unary - operation.

impl Ord for Rational

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

This method returns an Ordering between self and other.

#[must_use]

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

Compares and returns the maximum of two values.

#[must_use]

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

Compares and returns the minimum of two values.

#[must_use]

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

Restrict a value to a certain interval.

impl PartialEq<Rational> for Rational

fn eq(&self, rhs: &Rational) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]

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

This method tests for !=.

impl PartialOrd<Rational> for Rational

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

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

#[must_use]

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

This method tests less than (for self and other) and is used by the < operator.

#[must_use]

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

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

#[must_use]

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

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]

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

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

impl<T> Sub<T> for Rational where
    Rational: From<T>, 

type Output = Self

The resulting type after applying the - operator.

fn sub(self, rhs: T) -> Self::Output

Performs the - operation.

impl<T> SubAssign<T> for Rational where
    Rational: From<T>, 

fn sub_assign(&mut self, rhs: T)

Performs the -= operation.

impl Copy for Rational

impl Eq for Rational