Expand description
A floating-point number.
Variants
F32(f32)
F64(f64)
Trait Implementations
sourceimpl AddAssign<Float> for Float
impl AddAssign<Float> for Float
sourcefn add_assign(&mut self, other: Float)
fn add_assign(&mut self, other: Float)
Performs the +=
operation. Read more
sourceimpl<'de> Deserialize<'de> for Float
impl<'de> Deserialize<'de> for Float
sourcefn deserialize<D>(
deserializer: D
) -> Result<Float, <D as Deserializer<'de>>::Error> where
D: Deserializer<'de>,
fn deserialize<D>(
deserializer: D
) -> Result<Float, <D as Deserializer<'de>>::Error> where
D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
sourceimpl DivAssign<Float> for Float
impl DivAssign<Float> for Float
sourcefn div_assign(&mut self, other: Float)
fn div_assign(&mut self, other: Float)
Performs the /=
operation. Read more
sourceimpl FloatInstance for Float
impl FloatInstance for Float
sourcefn is_infinite(&self) -> bool
fn is_infinite(&self) -> bool
Return true
if this Number
is infinite (e.g. f32::INFINITY
).
sourceimpl FromStream for Float
impl FromStream for Float
type Context = ()
type Context = ()
The decoding context of this type, useful in situations where the stream to be decoded may be too large to hold in main memory. Read more
sourcefn from_stream<'life0, 'async_trait, D>(
cxt: <Float as FromStream>::Context,
decoder: &'life0 mut D
) -> Pin<Box<dyn Future<Output = Result<Float, <D as Decoder>::Error>> + Send + 'async_trait, Global>> where
'life0: 'async_trait,
D: 'async_trait + Decoder,
Float: 'async_trait,
fn from_stream<'life0, 'async_trait, D>(
cxt: <Float as FromStream>::Context,
decoder: &'life0 mut D
) -> Pin<Box<dyn Future<Output = Result<Float, <D as Decoder>::Error>> + Send + 'async_trait, Global>> where
'life0: 'async_trait,
D: 'async_trait + Decoder,
Float: 'async_trait,
Parse this value using the given Decoder
.
sourceimpl<D> Hash<D> for Float where
D: Digest,
impl<D> Hash<D> for Float where
D: Digest,
sourcefn hash(self) -> GenericArray<u8, <D as OutputSizeUser>::OutputSize>
fn hash(self) -> GenericArray<u8, <D as OutputSizeUser>::OutputSize>
Compute the SHA-2 hash of this value
sourceimpl<'en> IntoStream<'en> for Float
impl<'en> IntoStream<'en> for Float
sourceimpl MulAssign<Float> for Float
impl MulAssign<Float> for Float
sourcefn mul_assign(&mut self, other: Float)
fn mul_assign(&mut self, other: Float)
Performs the *=
operation. Read more
sourceimpl NumberInstance for Float
impl NumberInstance for Float
type Abs = Float
type Exp = Float
type Log = Float
type Round = Int
type Class = FloatType
sourcefn class(&self) -> FloatType
fn class(&self) -> FloatType
Get an impl of NumberClass
describing this number.
sourcefn into_type(self, dtype: FloatType) -> Float
fn into_type(self, dtype: FloatType) -> Float
Cast this number into the specified NumberClass
.
sourcefn exp(self) -> <Float as NumberInstance>::Exp
fn exp(self) -> <Float as NumberInstance>::Exp
Raise e
to the power of this number.
sourcefn ln(self) -> <Float as NumberInstance>::Log
fn ln(self) -> <Float as NumberInstance>::Log
Compute the natural logarithm of this number.
sourcefn log<N>(self, base: N) -> <Float as NumberInstance>::Log where
N: NumberInstance,
Float: From<N>,
fn log<N>(self, base: N) -> <Float as NumberInstance>::Log where
N: NumberInstance,
Float: From<N>,
Compute the logarithm of this number with respect to the given base
.
sourcefn round(self) -> <Float as NumberInstance>::Round
fn round(self) -> <Float as NumberInstance>::Round
Return this number rounded to the nearest integer.
sourcefn and(self, other: Self) -> Self where
Boolean: CastFrom<Self>,
fn and(self, other: Self) -> Self where
Boolean: CastFrom<Self>,
Return true
if self
and other
are nonzero.
sourceimpl PartialOrd<Float> for Float
impl PartialOrd<Float> for Float
sourcefn partial_cmp(&self, other: &Float) -> Option<Ordering>
fn partial_cmp(&self, other: &Float) -> Option<Ordering>
This method returns an ordering between self
and other
values if one exists. Read more
1.0.0 · sourcefn lt(&self, other: &Rhs) -> bool
fn lt(&self, other: &Rhs) -> bool
This method tests less than (for self
and other
) and is used by the <
operator. Read more
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 more
sourceimpl RealInstance for Float
impl RealInstance for Float
sourceimpl RemAssign<Float> for Float
impl RemAssign<Float> for Float
sourcefn rem_assign(&mut self, other: Float)
fn rem_assign(&mut self, other: Float)
Performs the %=
operation. Read more
sourceimpl Serialize for Float
impl Serialize for Float
sourcefn serialize<S>(
&self,
s: S
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error> where
S: Serializer,
fn serialize<S>(
&self,
s: S
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error> where
S: Serializer,
Serialize this value into the given Serde serializer. Read more
sourceimpl SubAssign<Float> for Float
impl SubAssign<Float> for Float
sourcefn sub_assign(&mut self, other: Float)
fn sub_assign(&mut self, other: Float)
Performs the -=
operation. Read more
sourceimpl Trigonometry for Float
impl Trigonometry for Float
impl Copy for Float
impl Eq for Float
Auto Trait Implementations
impl RefUnwindSafe for Float
impl Send for Float
impl Sync for Float
impl Unpin for Float
impl UnwindSafe for Float
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
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<F> Match for F
impl<F> Match for F
sourcefn matches<T>(&self) -> bool where
T: TryCastFrom<Self>,
fn matches<T>(&self) -> bool where
T: TryCastFrom<Self>,
Returns true
if self
can be cast into the target type T
.
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcefn clone_into(&self, target: &mut T)
fn clone_into(&self, target: &mut T)
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more
sourceimpl<F, T> TryCastFrom<F> for T where
T: CastFrom<F>,
impl<F, T> TryCastFrom<F> for T where
T: CastFrom<F>,
sourcefn can_cast_from(&F) -> bool
fn can_cast_from(&F) -> bool
Test if value
can be cast into Self
.
sourcefn opt_cast_from(f: F) -> Option<T>
fn opt_cast_from(f: F) -> Option<T>
Returns Some(Self)
if the source value can be cast into Self
, otherwise None
.
sourcefn try_cast_from<Err, OnErr>(value: T, on_err: OnErr) -> Result<Self, Err> where
OnErr: FnOnce(&T) -> Err,
fn try_cast_from<Err, OnErr>(value: T, on_err: OnErr) -> Result<Self, Err> where
OnErr: FnOnce(&T) -> Err,
Returns Ok(Self)
if the source value can be cast into Self
, otherwise calls on_err
.
sourceimpl<F, T> TryCastInto<T> for F where
T: TryCastFrom<F>,
impl<F, T> TryCastInto<T> for F where
T: TryCastFrom<F>,
sourcefn can_cast_into(&self) -> bool
fn can_cast_into(&self) -> bool
Test if self
can be cast into T
.
sourcefn opt_cast_into(self) -> Option<T>
fn opt_cast_into(self) -> Option<T>
Returns Some(T)
if self
can be cast into T
, otherwise None
.
sourcefn try_cast_into<Err, OnErr>(self, on_err: OnErr) -> Result<T, Err> where
OnErr: FnOnce(&Self) -> Err,
fn try_cast_into<Err, OnErr>(self, on_err: OnErr) -> Result<T, Err> where
OnErr: FnOnce(&Self) -> Err,
Returns Ok(T)
if self
can be cast into T
, otherwise calls on_err
.