pub enum Special {
Zero,
NegZero,
Infinity,
NegInfinity,
Nan,
// some variants omitted
}
Expand description
Special floating-point values.
Examples
use rug::float::Special;
use rug::Float;
let zero = Float::with_val(53, Special::Zero);
let neg_zero = Float::with_val(53, Special::NegZero);
let infinity = Float::with_val(53, Special::Infinity);
let neg_infinity = Float::with_val(53, Special::NegInfinity);
let nan = Float::with_val(53, Special::Nan);
assert_eq!(zero, 0);
assert!(zero.is_sign_positive());
assert_eq!(neg_zero, 0);
assert!(neg_zero.is_sign_negative());
assert!(infinity.is_infinite());
assert!(infinity.is_sign_positive());
assert!(neg_infinity.is_infinite());
assert!(neg_infinity.is_sign_negative());
assert!(nan.is_nan());
Variants
Zero
Positive zero.
NegZero
Negative zero.
Infinity
Positive infinity.
NegInfinity
Negative infinity.
Nan
Not a number.
Trait Implementations
sourceimpl AssignRound<&Special> for Float
impl AssignRound<&Special> for Float
sourceimpl AssignRound<Special> for Float
impl AssignRound<Special> for Float
sourceimpl Ord for Special
impl Ord for Special
1.21.0 · sourcefn max(self, other: Self) -> Selfwhere
Self: Sized,
fn max(self, other: Self) -> Selfwhere
Self: Sized,
Compares and returns the maximum of two values. Read more
1.21.0 · sourcefn min(self, other: Self) -> Selfwhere
Self: Sized,
fn min(self, other: Self) -> Selfwhere
Self: Sized,
Compares and returns the minimum of two values. Read more
1.50.0 · sourcefn clamp(self, min: Self, max: Self) -> Selfwhere
Self: Sized + PartialOrd<Self>,
fn clamp(self, min: Self, max: Self) -> Selfwhere
Self: Sized + PartialOrd<Self>,
Restrict a value to a certain interval. Read more
sourceimpl PartialOrd<Float> for Special
impl PartialOrd<Float> for Special
sourcefn partial_cmp(&self, other: &Float) -> Option<Ordering>
fn partial_cmp(&self, other: &Float) -> Option<Ordering>
1.0.0 · sourcefn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
This method tests less than or equal to (for
self
and other
) and is used by the <=
operator. Read moresourceimpl PartialOrd<Special> for Float
impl PartialOrd<Special> for Float
sourcefn partial_cmp(&self, other: &Special) -> Option<Ordering>
fn partial_cmp(&self, other: &Special) -> Option<Ordering>
1.0.0 · sourcefn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
This method tests less than or equal to (for
self
and other
) and is used by the <=
operator. Read moresourceimpl PartialOrd<Special> for Special
impl PartialOrd<Special> for Special
sourcefn partial_cmp(&self, other: &Special) -> Option<Ordering>
fn partial_cmp(&self, other: &Special) -> Option<Ordering>
1.0.0 · sourcefn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
This method tests less than or equal to (for
self
and other
) and is used by the <=
operator. Read moreimpl Copy for Special
impl Eq for Special
impl StructuralEq for Special
impl StructuralPartialEq for Special
impl ToSmall for Special
Auto Trait Implementations
impl RefUnwindSafe for Special
impl Send for Special
impl Sync for Special
impl Unpin for Special
impl UnwindSafe for Special
Blanket Implementations
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> CheckedAs for T
impl<T> CheckedAs for T
sourcefn checked_as<Dst>(self) -> Option<Dst>where
T: CheckedCast<Dst>,
fn checked_as<Dst>(self) -> Option<Dst>where
T: CheckedCast<Dst>,
Casts the value.
sourceimpl<Src, Dst> CheckedCastFrom<Src> for Dstwhere
Src: CheckedCast<Dst>,
impl<Src, Dst> CheckedCastFrom<Src> for Dstwhere
Src: CheckedCast<Dst>,
sourcefn checked_cast_from(src: Src) -> Option<Dst>
fn checked_cast_from(src: Src) -> Option<Dst>
Casts the value.
sourceimpl<T> OverflowingAs for T
impl<T> OverflowingAs for T
sourcefn overflowing_as<Dst>(self) -> (Dst, bool)where
T: OverflowingCast<Dst>,
fn overflowing_as<Dst>(self) -> (Dst, bool)where
T: OverflowingCast<Dst>,
Casts the value.
sourceimpl<Src, Dst> OverflowingCastFrom<Src> for Dstwhere
Src: OverflowingCast<Dst>,
impl<Src, Dst> OverflowingCastFrom<Src> for Dstwhere
Src: OverflowingCast<Dst>,
sourcefn overflowing_cast_from(src: Src) -> (Dst, bool)
fn overflowing_cast_from(src: Src) -> (Dst, bool)
Casts the value.
sourceimpl<T> SaturatingAs for T
impl<T> SaturatingAs for T
sourcefn saturating_as<Dst>(self) -> Dstwhere
T: SaturatingCast<Dst>,
fn saturating_as<Dst>(self) -> Dstwhere
T: SaturatingCast<Dst>,
Casts the value.
sourceimpl<Src, Dst> SaturatingCastFrom<Src> for Dstwhere
Src: SaturatingCast<Dst>,
impl<Src, Dst> SaturatingCastFrom<Src> for Dstwhere
Src: SaturatingCast<Dst>,
sourcefn saturating_cast_from(src: Src) -> Dst
fn saturating_cast_from(src: Src) -> Dst
Casts the value.
sourceimpl<T> UnwrappedAs for T
impl<T> UnwrappedAs for T
sourcefn unwrapped_as<Dst>(self) -> Dstwhere
T: UnwrappedCast<Dst>,
fn unwrapped_as<Dst>(self) -> Dstwhere
T: UnwrappedCast<Dst>,
Casts the value.
sourceimpl<Src, Dst> UnwrappedCastFrom<Src> for Dstwhere
Src: UnwrappedCast<Dst>,
impl<Src, Dst> UnwrappedCastFrom<Src> for Dstwhere
Src: UnwrappedCast<Dst>,
sourcefn unwrapped_cast_from(src: Src) -> Dst
fn unwrapped_cast_from(src: Src) -> Dst
Casts the value.
sourceimpl<T> WrappingAs for T
impl<T> WrappingAs for T
sourcefn wrapping_as<Dst>(self) -> Dstwhere
T: WrappingCast<Dst>,
fn wrapping_as<Dst>(self) -> Dstwhere
T: WrappingCast<Dst>,
Casts the value.
sourceimpl<Src, Dst> WrappingCastFrom<Src> for Dstwhere
Src: WrappingCast<Dst>,
impl<Src, Dst> WrappingCastFrom<Src> for Dstwhere
Src: WrappingCast<Dst>,
sourcefn wrapping_cast_from(src: Src) -> Dst
fn wrapping_cast_from(src: Src) -> Dst
Casts the value.