Struct FRound

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pub struct FRound(/* private fields */);
Expand description

A wrapper over floating point rounding flags.

This type encapsulates the behaviour of manipulating the configuration of floating point rounding without needing to deal with the raw API.

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impl FRound

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pub const NEAREST: Self

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pub const DOWNWARD: Self

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pub const UPWARD: Self

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pub const TOWARD_ZERO: Self

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pub fn none() -> Self

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pub fn has(self, other: Self) -> bool

See if the given flags exist.

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pub fn or(self, other: Self) -> Self

Return a new set of flags which enbable all mutual flags between self and other.

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pub fn not(self, other: Self) -> Self

Return a new set of flags which remove all mutual flags between self and other.

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pub fn as_raw(self) -> Type

Retrieve the raw representation of the flags.

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impl FRound

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pub fn getround() -> Self

visit: https://en.cppreference.com/w/c/numeric/fenv/feround

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pub fn setround(self) -> Result<(), NonZeroI32>

visit: https://en.cppreference.com/w/c/numeric/fenv/feround

Trait Implementations§

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impl BitOr for FRound

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type Output = FRound

The resulting type after applying the | operator.
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fn bitor(self, rhs: Self) -> Self::Output

Performs the | operation. Read more
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impl BitOrAssign for FRound

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fn bitor_assign(&mut self, rhs: Self)

Performs the |= operation. Read more
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impl Clone for FRound

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fn clone(&self) -> FRound

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for FRound

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

Formats the value using the given formatter. Read more
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impl PartialEq for FRound

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

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

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impl Eq for FRound

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impl StructuralPartialEq for FRound

Auto Trait Implementations§

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impl Freeze for FRound

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impl RefUnwindSafe for FRound

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impl Send for FRound

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impl Sync for FRound

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impl Unpin for FRound

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impl UnwindSafe for FRound

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.