[−][src]Enum rug::float::Constant
The available floating-point constants.
Examples
use rug::float::Constant; use rug::Float; let log2 = Float::with_val(53, Constant::Log2); let pi = Float::with_val(53, Constant::Pi); let euler = Float::with_val(53, Constant::Euler); let catalan = Float::with_val(53, Constant::Catalan); assert_eq!(log2.to_string_radix(10, Some(5)), "6.9315e-1"); assert_eq!(pi.to_string_radix(10, Some(5)), "3.1416"); assert_eq!(euler.to_string_radix(10, Some(5)), "5.7722e-1"); assert_eq!(catalan.to_string_radix(10, Some(5)), "9.1597e-1");
Variants
Log2
The logarithm of two, 0.693...
Pi
The value of pi, 3.141...
Euler
Euler’s constant, 0.577...
Catalan
Catalan’s constant, 0.915...
Trait Implementations
impl AssignRound<Constant> for Float
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type Round = Round
The rounding method.
type Ordering = Ordering
The direction from rounding.
fn assign_round(&mut self, src: Constant, round: Round) -> Ordering
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impl<'_> AssignRound<&'_ Constant> for Float
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type Round = <Float as AssignRound<Constant>>::Round
The rounding method.
type Ordering = <Float as AssignRound<Constant>>::Ordering
The direction from rounding.
fn assign_round(&mut self, src: &Constant, round: Self::Round) -> Self::Ordering
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impl PartialOrd<Constant> for Constant
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fn partial_cmp(&self, other: &Constant) -> Option<Ordering>
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#[must_use]
fn lt(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests less than (for self
and other
) and is used by the <
operator. Read more
#[must_use]
fn le(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
#[must_use]
fn gt(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests greater than (for self
and other
) and is used by the >
operator. Read more
#[must_use]
fn ge(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests greater than or equal to (for self
and other
) and is used by the >=
operator. Read more
impl PartialEq<Constant> for Constant
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fn eq(&self, other: &Constant) -> bool
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#[must_use]
fn ne(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests for !=
.
impl Copy for Constant
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impl Ord for Constant
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fn cmp(&self, other: &Constant) -> Ordering
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fn max(self, other: Self) -> Self
1.21.0[src]
Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self
1.21.0[src]
Compares and returns the minimum of two values. Read more
fn clamp(self, min: Self, max: Self) -> Self
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clamp
)Restrict a value to a certain interval. Read more
impl Eq for Constant
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impl Clone for Constant
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fn clone(&self) -> Constant
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fn clone_from(&mut self, source: &Self)
1.0.0[src]
Performs copy-assignment from source
. Read more
impl Hash for Constant
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fn hash<__H: Hasher>(&self, state: &mut __H)
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fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl Debug for Constant
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Auto Trait Implementations
impl Send for Constant
impl Unpin for Constant
impl Sync for Constant
impl UnwindSafe for Constant
impl RefUnwindSafe for Constant
Blanket Implementations
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,