Struct FixedFloat 

pub struct FixedFloat { /* private fields */ }

A floating-point value carrying a fixed working precision and rounding mode.

Implementations

impl FixedFloat

pub fn from_float(value: Float, mode: RoundingMode) -> FixedFloat

Wraps a Float, adopting its precision and the given rounding mode.

pub fn from_int(n: &Int, precision: u64, mode: RoundingMode) -> FixedFloat

Builds from an integer at precision bits.

pub fn from_f64(x: f64, precision: u64, mode: RoundingMode) -> FixedFloat

Builds from an f64 at precision bits.

pub fn zero(precision: u64, mode: RoundingMode) -> FixedFloat

Positive zero at precision bits.

pub fn nan(precision: u64, mode: RoundingMode) -> FixedFloat

NaN / ±∞ at precision bits.

pub fn infinity(precision: u64, mode: RoundingMode) -> FixedFloat

Positive infinity at precision bits.

pub fn neg_infinity(precision: u64, mode: RoundingMode) -> FixedFloat

Negative infinity at precision bits.

pub fn pi(precision: u64, mode: RoundingMode) -> FixedFloat

π at precision bits.

pub fn e(precision: u64, mode: RoundingMode) -> FixedFloat

Euler’s number e at precision bits.

pub fn precision(&self) -> u64

Returns the working precision in bits.

pub fn rounding_mode(&self) -> RoundingMode

Returns the rounding mode.

pub fn as_float(&self) -> &Float

Returns the underlying Float.

pub fn into_float(self) -> Float

Consumes into the underlying Float.

pub fn to_f64(&self) -> f64

Returns the value as the nearest f64.

pub fn to_shortest_string(&self) -> String

Returns the shortest round-tripping decimal string.

pub fn is_nan(&self) -> bool

Returns true if this value is NaN.

pub fn is_infinite(&self) -> bool

Returns true if this value is ±∞.

pub fn is_finite(&self) -> bool

Returns true if this value is finite.

pub fn is_zero(&self) -> bool

Returns true if this value is ±0.

pub fn sign(&self) -> Sign

Returns the sign of this value.

pub fn with_precision(&self, precision: u64) -> FixedFloat

Re-rounds to a different precision (keeping the rounding mode).

pub fn neg(&self) -> FixedFloat

Returns -self.

pub fn abs(&self) -> FixedFloat

Returns |self|.

pub fn sqrt(&self) -> FixedFloat

Returns √self.

pub fn exp(&self) -> FixedFloat

Returns e^self.

pub fn ln(&self) -> FixedFloat

Returns ln(self).

pub fn sin(&self) -> FixedFloat

Returns sin(self).

pub fn cos(&self) -> FixedFloat

Returns cos(self).

pub fn tan(&self) -> FixedFloat

Returns tan(self).

pub fn atan(&self) -> FixedFloat

Returns atan(self).

pub fn pow(&self, exp: &FixedFloat) -> FixedFloat

Returns self raised to the floating power exp.

Trait Implementations

impl Add for FixedFloat

type Output = FixedFloat

The resulting type after applying the + operator.

fn add(self, rhs: FixedFloat) -> FixedFloat

Performs the + operation.

impl Add<&FixedFloat> for &FixedFloat

type Output = FixedFloat

The resulting type after applying the + operator.

fn add(self, rhs: &FixedFloat) -> FixedFloat

Performs the + operation.

impl AddAssign for FixedFloat

fn add_assign(&mut self, rhs: FixedFloat)

Performs the += operation.

impl Clone for FixedFloat

fn clone(&self) -> FixedFloat

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FixedFloat

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

Formats the value using the given formatter.

impl Display for FixedFloat

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

Formats the value using the given formatter.

impl Div for FixedFloat

type Output = FixedFloat

The resulting type after applying the / operator.

fn div(self, rhs: FixedFloat) -> FixedFloat

Performs the / operation.

impl Div<&FixedFloat> for &FixedFloat

type Output = FixedFloat

The resulting type after applying the / operator.

fn div(self, rhs: &FixedFloat) -> FixedFloat

Performs the / operation.

impl DivAssign for FixedFloat

fn div_assign(&mut self, rhs: FixedFloat)

Performs the /= operation.

impl Mul for FixedFloat

type Output = FixedFloat

The resulting type after applying the * operator.

fn mul(self, rhs: FixedFloat) -> FixedFloat

Performs the * operation.

impl Mul<&FixedFloat> for &FixedFloat

type Output = FixedFloat

The resulting type after applying the * operator.

fn mul(self, rhs: &FixedFloat) -> FixedFloat

Performs the * operation.

impl MulAssign for FixedFloat

fn mul_assign(&mut self, rhs: FixedFloat)

Performs the *= operation.

impl Neg for FixedFloat

type Output = FixedFloat

The resulting type after applying the - operator.

fn neg(self) -> FixedFloat

Performs the unary - operation.

impl PartialEq for FixedFloat

fn eq(&self, other: &Self) -> 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 FixedFloat

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 FixedFloat

type Output = FixedFloat

The resulting type after applying the - operator.

fn sub(self, rhs: FixedFloat) -> FixedFloat

Performs the - operation.

impl Sub<&FixedFloat> for &FixedFloat

type Output = FixedFloat

The resulting type after applying the - operator.

fn sub(self, rhs: &FixedFloat) -> FixedFloat

Performs the - operation.

impl SubAssign for FixedFloat

fn sub_assign(&mut self, rhs: FixedFloat)

Performs the -= operation.