Struct sp_runtime::FixedU128
source · pub struct FixedU128(_);
Expand description
Re-export top-level arithmetic stuff. A fixed point number representation in the range. Fixed Point 128 bits unsigned, range = [0.000000000000000000, 340282366920938463463.374607431768211455]
Implementations§
source§impl FixedU128
impl FixedU128
sourcepub const fn from_inner(inner: u128) -> FixedU128
pub const fn from_inner(inner: u128) -> FixedU128
Create a new instance from the given inner
value.
const
version of FixedPointNumber::from_inner
.
sourcepub const fn into_inner(self) -> u128
pub const fn into_inner(self) -> u128
Return the instance’s inner value.
const
version of FixedPointNumber::into_inner
.
sourcepub const fn from_u32(n: u32) -> FixedU128
pub const fn from_u32(n: u32) -> FixedU128
Creates self from a u32
.
WARNING: This is a const
function designed for convenient use at build time and
will panic on overflow. Ensure that any inputs are sensible.
sourcepub fn from_float(x: f64) -> FixedU128
pub fn from_float(x: f64) -> FixedU128
Convert from a float
value.
sourcepub const fn from_perbill(n: Perbill) -> FixedU128
pub const fn from_perbill(n: Perbill) -> FixedU128
Convert from a Perbill
value.
sourcepub const fn into_perbill(self) -> Perbill
pub const fn into_perbill(self) -> Perbill
Convert into a Perbill
value. Will saturate if above one or below zero.
sourcepub fn try_into_perthing<P>(self) -> Result<P, P>where
P: PerThing,
pub fn try_into_perthing<P>(self) -> Result<P, P>where P: PerThing,
Attempt to convert into a PerThing
. This will succeed iff self
is at least zero
and at most one. If it is out of bounds, it will result in an error returning the
clamped value.
sourcepub fn into_clamped_perthing<P>(self) -> Pwhere
P: PerThing,
pub fn into_clamped_perthing<P>(self) -> Pwhere P: PerThing,
Attempt to convert into a PerThing
. This will always succeed resulting in a
clamped value if self
is less than zero or greater than one.
sourcepub const fn neg(self) -> FixedU128
pub const fn neg(self) -> FixedU128
Negate the value.
WARNING: This is a const
function designed for convenient use at build time and
will panic on overflow. Ensure that any inputs are sensible.
sourcepub const fn sqrt(self) -> FixedU128
pub const fn sqrt(self) -> FixedU128
Take the square root of a positive value.
WARNING: This is a const
function designed for convenient use at build time and
will panic on overflow. Ensure that any inputs are sensible.
sourcepub const fn try_sqrt(self) -> Option<FixedU128>
pub const fn try_sqrt(self) -> Option<FixedU128>
Compute the square root, rounding as desired. If it overflows or is negative, then
None
is returned.
sourcepub const fn add(self, rhs: FixedU128) -> FixedU128
pub const fn add(self, rhs: FixedU128) -> FixedU128
Add a value and return the result.
WARNING: This is a const
function designed for convenient use at build time and
will panic on overflow. Ensure that any inputs are sensible.
sourcepub const fn sub(self, rhs: FixedU128) -> FixedU128
pub const fn sub(self, rhs: FixedU128) -> FixedU128
Subtract a value and return the result.
WARNING: This is a const
function designed for convenient use at build time and
will panic on overflow. Ensure that any inputs are sensible.
sourcepub const fn mul(self, rhs: FixedU128) -> FixedU128
pub const fn mul(self, rhs: FixedU128) -> FixedU128
Multiply by a value and return the result.
Result will be rounded to the nearest representable value, rounding down if it is equidistant between two neighbours.
WARNING: This is a const
function designed for convenient use at build time and
will panic on overflow. Ensure that any inputs are sensible.
sourcepub const fn div(self, rhs: FixedU128) -> FixedU128
pub const fn div(self, rhs: FixedU128) -> FixedU128
Divide by a value and return the result.
Result will be rounded to the nearest representable value, rounding down if it is equidistant between two neighbours.
WARNING: This is a const
function designed for convenient use at build time and
will panic on overflow. Ensure that any inputs are sensible.
sourcepub const fn from_rational(a: u128, b: u128) -> FixedU128
pub const fn from_rational(a: u128, b: u128) -> FixedU128
Calculate an approximation of a rational.
Result will be rounded to the nearest representable value, rounding down if it is equidistant between two neighbours.
WARNING: This is a const
function designed for convenient use at build time and
will panic on overflow. Ensure that any inputs are sensible.
sourcepub const fn from_rational_with_rounding(
a: u128,
b: u128,
rounding: Rounding
) -> FixedU128
pub const fn from_rational_with_rounding( a: u128, b: u128, rounding: Rounding ) -> FixedU128
Calculate an approximation of a rational with custom rounding.
WARNING: This is a const
function designed for convenient use at build time and
will panic on overflow. Ensure that any inputs are sensible.
sourcepub const fn const_checked_mul(self, other: FixedU128) -> Option<FixedU128>
pub const fn const_checked_mul(self, other: FixedU128) -> Option<FixedU128>
Multiply by another value, returning None
in the case of an error.
Result will be rounded to the nearest representable value, rounding down if it is equidistant between two neighbours.
sourcepub const fn const_checked_mul_with_rounding(
self,
other: FixedU128,
rounding: SignedRounding
) -> Option<FixedU128>
pub const fn const_checked_mul_with_rounding( self, other: FixedU128, rounding: SignedRounding ) -> Option<FixedU128>
Multiply by another value with custom rounding, returning None
in the case of an
error.
Result will be rounded to the nearest representable value, rounding down if it is equidistant between two neighbours.
sourcepub const fn const_checked_div(self, other: FixedU128) -> Option<FixedU128>
pub const fn const_checked_div(self, other: FixedU128) -> Option<FixedU128>
Divide by another value, returning None
in the case of an error.
Result will be rounded to the nearest representable value, rounding down if it is equidistant between two neighbours.
sourcepub const fn checked_rounding_div(
self,
other: FixedU128,
rounding: SignedRounding
) -> Option<FixedU128>
pub const fn checked_rounding_div( self, other: FixedU128, rounding: SignedRounding ) -> Option<FixedU128>
Divide by another value with custom rounding, returning None
in the case of an
error.
Result will be rounded to the nearest representable value, rounding down if it is equidistant between two neighbours.
Trait Implementations§
source§impl CheckedAdd for FixedU128
impl CheckedAdd for FixedU128
source§impl CheckedDiv for FixedU128
impl CheckedDiv for FixedU128
source§impl CheckedMul for FixedU128
impl CheckedMul for FixedU128
source§impl CheckedSub for FixedU128
impl CheckedSub for FixedU128
source§impl Decode for FixedU128
impl Decode for FixedU128
source§fn decode<__CodecInputEdqy>(
__codec_input_edqy: &mut __CodecInputEdqy
) -> Result<FixedU128, Error>where
__CodecInputEdqy: Input,
fn decode<__CodecInputEdqy>( __codec_input_edqy: &mut __CodecInputEdqy ) -> Result<FixedU128, Error>where __CodecInputEdqy: Input,
source§impl<'de> Deserialize<'de> for FixedU128
impl<'de> Deserialize<'de> for FixedU128
source§fn deserialize<D>(
deserializer: D
) -> Result<FixedU128, <D as Deserializer<'de>>::Error>where
D: Deserializer<'de>,
fn deserialize<D>( deserializer: D ) -> Result<FixedU128, <D as Deserializer<'de>>::Error>where D: Deserializer<'de>,
source§impl Encode for FixedU128
impl Encode for FixedU128
source§fn encode_to<__CodecOutputEdqy>(
&self,
__codec_dest_edqy: &mut __CodecOutputEdqy
)where
__CodecOutputEdqy: Output + ?Sized,
fn encode_to<__CodecOutputEdqy>( &self, __codec_dest_edqy: &mut __CodecOutputEdqy )where __CodecOutputEdqy: Output + ?Sized,
source§fn using_encoded<R, F>(&self, f: F) -> Rwhere
F: FnOnce(&[u8]) -> R,
fn using_encoded<R, F>(&self, f: F) -> Rwhere F: FnOnce(&[u8]) -> R,
source§fn size_hint(&self) -> usize
fn size_hint(&self) -> usize
source§fn encoded_size(&self) -> usize
fn encoded_size(&self) -> usize
source§impl FixedPointNumber for FixedU128
impl FixedPointNumber for FixedU128
source§const DIV: <FixedU128 as FixedPointNumber>::Inner = {transmute(0x00000000000000000de0b6b3a7640000): <sp_arithmetic::FixedU128 as sp_arithmetic::FixedPointNumber>::Inner}
const DIV: <FixedU128 as FixedPointNumber>::Inner = {transmute(0x00000000000000000de0b6b3a7640000): <sp_arithmetic::FixedU128 as sp_arithmetic::FixedPointNumber>::Inner}
10
.source§fn from_inner(inner: <FixedU128 as FixedPointNumber>::Inner) -> FixedU128
fn from_inner(inner: <FixedU128 as FixedPointNumber>::Inner) -> FixedU128
source§fn into_inner(self) -> <FixedU128 as FixedPointNumber>::Inner
fn into_inner(self) -> <FixedU128 as FixedPointNumber>::Inner
self
and returns the inner raw value.source§fn saturating_from_integer<N>(int: N) -> Selfwhere
N: FixedPointOperand,
fn saturating_from_integer<N>(int: N) -> Selfwhere N: FixedPointOperand,
int
. Read moresource§fn saturating_from_rational<N, D>(n: N, d: D) -> Selfwhere
N: FixedPointOperand,
D: FixedPointOperand,
fn saturating_from_rational<N, D>(n: N, d: D) -> Selfwhere N: FixedPointOperand, D: FixedPointOperand,
source§fn checked_from_rational<N, D>(n: N, d: D) -> Option<Self>where
N: FixedPointOperand,
D: FixedPointOperand,
fn checked_from_rational<N, D>(n: N, d: D) -> Option<Self>where N: FixedPointOperand, D: FixedPointOperand,
source§fn checked_mul_int<N>(self, n: N) -> Option<N>where
N: FixedPointOperand,
fn checked_mul_int<N>(self, n: N) -> Option<N>where N: FixedPointOperand,
source§fn saturating_mul_int<N>(self, n: N) -> Nwhere
N: FixedPointOperand,
fn saturating_mul_int<N>(self, n: N) -> Nwhere N: FixedPointOperand,
source§fn checked_div_int<N>(self, d: N) -> Option<N>where
N: FixedPointOperand,
fn checked_div_int<N>(self, d: N) -> Option<N>where N: FixedPointOperand,
source§fn saturating_div_int<N>(self, d: N) -> Nwhere
N: FixedPointOperand,
fn saturating_div_int<N>(self, d: N) -> Nwhere N: FixedPointOperand,
source§fn saturating_mul_acc_int<N>(self, n: N) -> Nwhere
N: FixedPointOperand,
fn saturating_mul_acc_int<N>(self, n: N) -> Nwhere N: FixedPointOperand,
N
, adding the result back.
Equal to self * n + n
. Read moresource§fn saturating_abs(self) -> Self
fn saturating_abs(self) -> Self
source§fn reciprocal(self) -> Option<Self>
fn reciprocal(self) -> Option<Self>
1 / self
. Read moresource§fn is_positive(self) -> bool
fn is_positive(self) -> bool
true
if self
is positive and false
if the number is zero or negative.source§fn is_negative(self) -> bool
fn is_negative(self) -> bool
true
if self
is negative and false
if the number is zero or positive.source§impl<N, D> From<(N, D)> for FixedU128where
N: FixedPointOperand,
D: FixedPointOperand,
impl<N, D> From<(N, D)> for FixedU128where N: FixedPointOperand, D: FixedPointOperand,
source§impl MaxEncodedLen for FixedU128
impl MaxEncodedLen for FixedU128
source§fn max_encoded_len() -> usize
fn max_encoded_len() -> usize
source§impl Ord for FixedU128
impl Ord for FixedU128
source§impl PartialEq<FixedU128> for FixedU128
impl PartialEq<FixedU128> for FixedU128
source§impl PartialOrd<FixedU128> for FixedU128
impl PartialOrd<FixedU128> for FixedU128
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
self
and other
) and is used by the <=
operator. Read moresource§impl Saturating for FixedU128
impl Saturating for FixedU128
source§fn saturating_add(self, rhs: FixedU128) -> FixedU128
fn saturating_add(self, rhs: FixedU128) -> FixedU128
self + rhs
, saturating at the numeric bounds instead of
overflowing.source§fn saturating_sub(self, rhs: FixedU128) -> FixedU128
fn saturating_sub(self, rhs: FixedU128) -> FixedU128
self - rhs
, saturating at the numeric bounds instead of
overflowing.source§fn saturating_mul(self, rhs: FixedU128) -> FixedU128
fn saturating_mul(self, rhs: FixedU128) -> FixedU128
self * rhs
, saturating at the numeric bounds instead of
overflowing.source§fn saturating_pow(self, exp: usize) -> FixedU128
fn saturating_pow(self, exp: usize) -> FixedU128
self.pow(exp)
, saturating at the numeric bounds
instead of overflowing.source§fn saturating_inc(&mut self)where
Self: One,
fn saturating_inc(&mut self)where Self: One,
source§fn saturating_dec(&mut self)where
Self: One,
fn saturating_dec(&mut self)where Self: One,
source§fn saturating_accrue(&mut self, amount: Self)where
Self: One,
fn saturating_accrue(&mut self, amount: Self)where Self: One,
amount
, saturating.source§fn saturating_reduce(&mut self, amount: Self)where
Self: One,
fn saturating_reduce(&mut self, amount: Self)where Self: One,
amount
, saturating at zero.source§impl Serialize for FixedU128
impl Serialize for FixedU128
source§fn serialize<S>(
&self,
serializer: S
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>where
S: Serializer,
fn serialize<S>( &self, serializer: S ) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>where S: Serializer,
impl Copy for FixedU128
impl EncodeLike<FixedU128> for FixedU128
impl Eq for FixedU128
impl StructuralEq for FixedU128
impl StructuralPartialEq for FixedU128
Auto Trait Implementations§
impl RefUnwindSafe for FixedU128
impl Send for FixedU128
impl Sync for FixedU128
impl Unpin for FixedU128
impl UnwindSafe for FixedU128
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
source§impl<T> CheckedConversion for T
impl<T> CheckedConversion for T
source§impl<T> DecodeLimit for Twhere
T: Decode,
impl<T> DecodeLimit for Twhere T: Decode,
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T: Any,
impl<T> Downcast for Twhere T: Any,
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fn into_any(self: Box<T, Global>) -> Box<dyn Any, Global>
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(where Trait: Downcast
) to Box<dyn Any>
. Box<dyn Any>
can
then be further downcast
into Box<ConcreteType>
where ConcreteType
implements Trait
.source§fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
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(where Trait: Downcast
) to Rc<Any>
. Rc<Any>
can then be
further downcast
into Rc<ConcreteType>
where ConcreteType
implements Trait
.source§fn as_any(&self) -> &(dyn Any + 'static)
fn as_any(&self) -> &(dyn Any + 'static)
&Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &Any
’s vtable from &Trait
’s.source§fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
&mut Trait
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) to &Any
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’s vtable from &mut Trait
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T: EnsureAddAssign,
impl<T> EnsureAdd for Twhere T: EnsureAddAssign,
source§fn ensure_add(self, v: Self) -> Result<Self, ArithmeticError>
fn ensure_add(self, v: Self) -> Result<Self, ArithmeticError>
source§impl<T> EnsureAddAssign for Twhere
T: CheckedAdd + PartialOrd<T> + Zero,
impl<T> EnsureAddAssign for Twhere T: CheckedAdd + PartialOrd<T> + Zero,
source§fn ensure_add_assign(&mut self, v: Self) -> Result<(), ArithmeticError>
fn ensure_add_assign(&mut self, v: Self) -> Result<(), ArithmeticError>
source§impl<T> EnsureDiv for Twhere
T: EnsureDivAssign,
impl<T> EnsureDiv for Twhere T: EnsureDivAssign,
source§fn ensure_div(self, v: Self) -> Result<Self, ArithmeticError>
fn ensure_div(self, v: Self) -> Result<Self, ArithmeticError>
source§impl<T> EnsureDivAssign for Twhere
T: CheckedDiv + PartialOrd<T> + Zero,
impl<T> EnsureDivAssign for Twhere T: CheckedDiv + PartialOrd<T> + Zero,
source§fn ensure_div_assign(&mut self, v: Self) -> Result<(), ArithmeticError>
fn ensure_div_assign(&mut self, v: Self) -> Result<(), ArithmeticError>
source§impl<T> EnsureFixedPointNumber for Twhere
T: FixedPointNumber,
impl<T> EnsureFixedPointNumber for Twhere T: FixedPointNumber,
source§fn ensure_from_rational<N, D>(n: N, d: D) -> Result<Self, ArithmeticError>where
N: FixedPointOperand,
D: FixedPointOperand,
fn ensure_from_rational<N, D>(n: N, d: D) -> Result<Self, ArithmeticError>where N: FixedPointOperand, D: FixedPointOperand,
source§fn ensure_mul_int<N>(self, n: N) -> Result<N, ArithmeticError>where
N: FixedPointOperand,
fn ensure_mul_int<N>(self, n: N) -> Result<N, ArithmeticError>where N: FixedPointOperand,
source§fn ensure_div_int<D>(self, d: D) -> Result<D, ArithmeticError>where
D: FixedPointOperand,
fn ensure_div_int<D>(self, d: D) -> Result<D, ArithmeticError>where D: FixedPointOperand,
source§impl<T, S> EnsureFrom<S> for Twhere
T: TryFrom<S> + PartialOrd<T> + Zero,
S: PartialOrd<S> + Zero,
impl<T, S> EnsureFrom<S> for Twhere T: TryFrom<S> + PartialOrd<T> + Zero, S: PartialOrd<S> + Zero,
source§fn ensure_from(other: T) -> Result<Self, ArithmeticError>
fn ensure_from(other: T) -> Result<Self, ArithmeticError>
ArithmeticError
if fails. Read moresource§impl<T, S> EnsureInto<S> for Twhere
T: TryInto<S> + PartialOrd<T> + Zero,
S: PartialOrd<S> + Zero,
impl<T, S> EnsureInto<S> for Twhere T: TryInto<S> + PartialOrd<T> + Zero, S: PartialOrd<S> + Zero,
source§fn ensure_into(self) -> Result<T, ArithmeticError>
fn ensure_into(self) -> Result<T, ArithmeticError>
ArithmeticError
if fails. Read moresource§impl<T> EnsureMul for Twhere
T: EnsureMulAssign,
impl<T> EnsureMul for Twhere T: EnsureMulAssign,
source§fn ensure_mul(self, v: Self) -> Result<Self, ArithmeticError>
fn ensure_mul(self, v: Self) -> Result<Self, ArithmeticError>
source§impl<T> EnsureMulAssign for Twhere
T: CheckedMul + PartialOrd<T> + Zero,
impl<T> EnsureMulAssign for Twhere T: CheckedMul + PartialOrd<T> + Zero,
source§fn ensure_mul_assign(&mut self, v: Self) -> Result<(), ArithmeticError>
fn ensure_mul_assign(&mut self, v: Self) -> Result<(), ArithmeticError>
source§impl<T> EnsureSub for Twhere
T: EnsureSubAssign,
impl<T> EnsureSub for Twhere T: EnsureSubAssign,
source§fn ensure_sub(self, v: Self) -> Result<Self, ArithmeticError>
fn ensure_sub(self, v: Self) -> Result<Self, ArithmeticError>
source§impl<T> EnsureSubAssign for Twhere
T: CheckedSub + PartialOrd<T> + Zero,
impl<T> EnsureSubAssign for Twhere T: CheckedSub + PartialOrd<T> + Zero,
source§fn ensure_sub_assign(&mut self, v: Self) -> Result<(), ArithmeticError>
fn ensure_sub_assign(&mut self, v: Self) -> Result<(), ArithmeticError>
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Q: Eq + ?Sized,
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and return true
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&'a mut self,
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) -> Rwhere
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