Struct QuadDouble

pub struct QuadDouble(/* private fields */);

ref: https://na-inet.jp/na/qd_ja.pdf

Implementations

impl QuadDouble

pub fn is_zero(&self) -> bool

Examples found in repository

crates/competitive/src/num/quad_double.rs (line 397)

    pub fn sqrt(self) -> Self {
        if self.is_zero() {
            return Self::from(0.);
        }
        let x = Self::from(1. / self.0.sqrt());
        let x = x + x * (Self::from(1.) - self * x * x).div2(2.);
        let x = x + x * (Self::from(1.) - self * x * x).div2(2.);
        let x = x + x * (Self::from(1.) - self * x * x).div2(2.);
        x * self
    }

pub fn sqrt(self) -> Self

pub fn abs(self) -> Self

Trait Implementations

impl Add<f64> for QuadDouble

type Output = QuadDouble

The resulting type after applying the + operator.

fn add(self, rhs: f64) -> Self::Output

Performs the + operation.

impl Add for QuadDouble

type Output = QuadDouble

The resulting type after applying the + operator.

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

Performs the + operation.

impl Bounded for QuadDouble

fn maximum() -> Self

fn minimum() -> Self

fn is_maximum(&self) -> bool

fn is_minimum(&self) -> bool

fn set_maximum(&mut self)

fn set_minimum(&mut self)

impl Clone for QuadDouble

fn clone(&self) -> QuadDouble

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QuadDouble

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

Formats the value using the given formatter.

impl Default for QuadDouble

fn default() -> QuadDouble

Returns the “default value” for a type.

impl Display for QuadDouble

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

Formats the value using the given formatter.

impl Div for QuadDouble

type Output = QuadDouble

The resulting type after applying the / operator.

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

Performs the / operation.

impl From<QuadDouble> for f64

fn from(x: QuadDouble) -> f64

Converts to this type from the input type.

impl From<QuadDouble> for i64

fn from(x: QuadDouble) -> i64

Converts to this type from the input type.

impl From<f64> for QuadDouble

fn from(x: f64) -> Self

Converts to this type from the input type.

impl FromStr for QuadDouble

type Err = ParseDoubleDoubleError

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type.

impl Index<usize> for QuadDouble

type Output = f64

The returned type after indexing.

fn index(&self, index: usize) -> &Self::Output

Performs the indexing (container[index]) operation.

impl IterScan for QuadDouble

type Output = QuadDouble

fn scan<'a, I: Iterator<Item = &'a str>>(iter: &mut I) -> Option<Self::Output>

impl Mul<f64> for QuadDouble

type Output = QuadDouble

The resulting type after applying the * operator.

fn mul(self, rhs: f64) -> Self::Output

Performs the * operation.

impl Mul for QuadDouble

type Output = QuadDouble

The resulting type after applying the * operator.

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

Performs the * operation.

impl Neg for QuadDouble

type Output = QuadDouble

The resulting type after applying the - operator.

fn neg(self) -> Self::Output

Performs the unary - operation.

impl One for QuadDouble

fn one() -> Self

fn is_one(&self) -> bool

where Self: PartialEq,

fn set_one(&mut self)

impl Ord for QuadDouble

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 QuadDouble

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for QuadDouble

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 Sub for QuadDouble

type Output = QuadDouble

The resulting type after applying the - operator.

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

Performs the - operation.

impl Zero for QuadDouble

fn zero() -> Self

fn is_zero(&self) -> bool

where Self: PartialEq,

fn set_zero(&mut self)

impl Copy for QuadDouble

impl Eq for QuadDouble

impl StructuralPartialEq for QuadDouble