Struct sp_runtime::FixedI64
source · pub struct FixedI64(_);
Expand description
Re-export top-level arithmetic stuff. A fixed point number representation in the range. Fixed Point 64 bits signed, range = [-9223372036.854775808, 9223372036.854775807]
Implementations§
source§impl FixedI64
impl FixedI64
sourcepub const fn from_inner(inner: i64) -> FixedI64
pub const fn from_inner(inner: i64) -> FixedI64
Create a new instance from the given inner
value.
const
version of FixedPointNumber::from_inner
.
sourcepub const fn into_inner(self) -> i64
pub const fn into_inner(self) -> i64
Return the instance’s inner value.
const
version of FixedPointNumber::into_inner
.
sourcepub const fn from_u32(n: u32) -> FixedI64
pub const fn from_u32(n: u32) -> FixedI64
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) -> FixedI64
pub fn from_float(x: f64) -> FixedI64
Convert from a float
value.
sourcepub const fn from_perbill(n: Perbill) -> FixedI64
pub const fn from_perbill(n: Perbill) -> FixedI64
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) -> FixedI64
pub const fn neg(self) -> FixedI64
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) -> FixedI64
pub const fn sqrt(self) -> FixedI64
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<FixedI64>
pub const fn try_sqrt(self) -> Option<FixedI64>
Compute the square root, rounding as desired. If it overflows or is negative, then
None
is returned.
sourcepub const fn add(self, rhs: FixedI64) -> FixedI64
pub const fn add(self, rhs: FixedI64) -> FixedI64
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: FixedI64) -> FixedI64
pub const fn sub(self, rhs: FixedI64) -> FixedI64
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: FixedI64) -> FixedI64
pub const fn mul(self, rhs: FixedI64) -> FixedI64
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: FixedI64) -> FixedI64
pub const fn div(self, rhs: FixedI64) -> FixedI64
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) -> FixedI64
pub const fn from_rational(a: u128, b: u128) -> FixedI64
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
) -> FixedI64
pub const fn from_rational_with_rounding( a: u128, b: u128, rounding: Rounding ) -> FixedI64
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: FixedI64) -> Option<FixedI64>
pub const fn const_checked_mul(self, other: FixedI64) -> Option<FixedI64>
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: FixedI64,
rounding: SignedRounding
) -> Option<FixedI64>
pub const fn const_checked_mul_with_rounding( self, other: FixedI64, rounding: SignedRounding ) -> Option<FixedI64>
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: FixedI64) -> Option<FixedI64>
pub const fn const_checked_div(self, other: FixedI64) -> Option<FixedI64>
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: FixedI64,
rounding: SignedRounding
) -> Option<FixedI64>
pub const fn checked_rounding_div( self, other: FixedI64, rounding: SignedRounding ) -> Option<FixedI64>
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 FixedI64
impl CheckedAdd for FixedI64
source§impl CheckedDiv for FixedI64
impl CheckedDiv for FixedI64
source§impl CheckedMul for FixedI64
impl CheckedMul for FixedI64
source§impl CheckedSub for FixedI64
impl CheckedSub for FixedI64
source§impl Decode for FixedI64
impl Decode for FixedI64
source§fn decode<__CodecInputEdqy>(
__codec_input_edqy: &mut __CodecInputEdqy
) -> Result<FixedI64, Error>where
__CodecInputEdqy: Input,
fn decode<__CodecInputEdqy>( __codec_input_edqy: &mut __CodecInputEdqy ) -> Result<FixedI64, Error>where __CodecInputEdqy: Input,
source§impl<'de> Deserialize<'de> for FixedI64
impl<'de> Deserialize<'de> for FixedI64
source§fn deserialize<D>(
deserializer: D
) -> Result<FixedI64, <D as Deserializer<'de>>::Error>where
D: Deserializer<'de>,
fn deserialize<D>( deserializer: D ) -> Result<FixedI64, <D as Deserializer<'de>>::Error>where D: Deserializer<'de>,
source§impl Encode for FixedI64
impl Encode for FixedI64
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 FixedI64
impl FixedPointNumber for FixedI64
source§const DIV: <FixedI64 as FixedPointNumber>::Inner = {transmute(0x000000003b9aca00): <sp_arithmetic::FixedI64 as sp_arithmetic::FixedPointNumber>::Inner}
const DIV: <FixedI64 as FixedPointNumber>::Inner = {transmute(0x000000003b9aca00): <sp_arithmetic::FixedI64 as sp_arithmetic::FixedPointNumber>::Inner}
10
.source§fn from_inner(inner: <FixedI64 as FixedPointNumber>::Inner) -> FixedI64
fn from_inner(inner: <FixedI64 as FixedPointNumber>::Inner) -> FixedI64
source§fn into_inner(self) -> <FixedI64 as FixedPointNumber>::Inner
fn into_inner(self) -> <FixedI64 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 FixedI64where
N: FixedPointOperand,
D: FixedPointOperand,
impl<N, D> From<(N, D)> for FixedI64where N: FixedPointOperand, D: FixedPointOperand,
source§impl MaxEncodedLen for FixedI64
impl MaxEncodedLen for FixedI64
source§fn max_encoded_len() -> usize
fn max_encoded_len() -> usize
source§impl Ord for FixedI64
impl Ord for FixedI64
source§impl PartialEq<FixedI64> for FixedI64
impl PartialEq<FixedI64> for FixedI64
source§impl PartialOrd<FixedI64> for FixedI64
impl PartialOrd<FixedI64> for FixedI64
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 FixedI64
impl Saturating for FixedI64
source§fn saturating_add(self, rhs: FixedI64) -> FixedI64
fn saturating_add(self, rhs: FixedI64) -> FixedI64
self + rhs
, saturating at the numeric bounds instead of
overflowing.source§fn saturating_sub(self, rhs: FixedI64) -> FixedI64
fn saturating_sub(self, rhs: FixedI64) -> FixedI64
self - rhs
, saturating at the numeric bounds instead of
overflowing.source§fn saturating_mul(self, rhs: FixedI64) -> FixedI64
fn saturating_mul(self, rhs: FixedI64) -> FixedI64
self * rhs
, saturating at the numeric bounds instead of
overflowing.source§fn saturating_pow(self, exp: usize) -> FixedI64
fn saturating_pow(self, exp: usize) -> FixedI64
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 FixedI64
impl Serialize for FixedI64
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 FixedI64
impl EncodeLike<FixedI64> for FixedI64
impl Eq for FixedI64
impl StructuralEq for FixedI64
impl StructuralPartialEq for FixedI64
Auto Trait Implementations§
impl RefUnwindSafe for FixedI64
impl Send for FixedI64
impl Sync for FixedI64
impl Unpin for FixedI64
impl UnwindSafe for FixedI64
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,
source§impl<T> Downcast for Twhere
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>
Rc<Trait>
(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
. This is needed since Rust cannot
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’s vtable from &mut Trait
’s.source§impl<T> EnsureAdd for Twhere
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>
source§impl<Q, K> Equivalent<K> for Qwhere
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,
impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,
source§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
key
and return true
if they are equal.source§impl<T> FmtForward for T
impl<T> FmtForward for T
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Self: Binary,
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to use its Binary
implementation when Debug
-formatted.source§fn fmt_display(self) -> FmtDisplay<Self>where
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Debug
-formatted.source§fn fmt_lower_exp(self) -> FmtLowerExp<Self>where
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-formatted.source§fn fmt_lower_hex(self) -> FmtLowerHex<Self>where
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-formatted.source§fn fmt_octal(self) -> FmtOctal<Self>where
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-formatted.source§fn fmt_upper_exp(self) -> FmtUpperExp<Self>where
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Debug
-formatted.source§fn fmt_upper_hex(self) -> FmtUpperHex<Self>where
Self: UpperHex,
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self
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implementation when
Debug
-formatted.source§impl<T> Instrument for T
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source§impl<T, Outer> IsWrappedBy<Outer> for Twhere
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,
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source§impl<T> LowerBounded for Twhere
T: Bounded,
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source§impl<T> Pipe for Twhere
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&'a mut self,
func: impl FnOnce(&'a mut B) -> R
) -> Rwhere
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U: 'a + ?Sized,
R: 'a,
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self
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