Struct sp_arithmetic::fixed_point::FixedU128

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pub struct FixedU128(_);

Expand description

A fixed point number representation in the range.

Fixed Point 128 bits unsigned, range = [0.000000000000000000, 340282366920938463463.374607431768211455]

Implementations

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impl FixedU128

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pub const fn from_inner(inner: u128) -> Self

const version of FixedPointNumber::from_inner.

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pub fn from_fraction(x: f64) -> Self

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pub fn to_fraction(self) -> f64

Trait Implementations

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impl Add<FixedU128> for FixedU128

type Output = Self

The resulting type after applying the + operator.

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fn add(self, rhs: Self) -> Self::Output

Performs the + operation. Read more

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impl Bounded for FixedU128

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fn min_value() -> Self

returns the smallest finite number this type can represent

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fn max_value() -> Self

returns the largest finite number this type can represent

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impl CheckedAdd for FixedU128

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fn checked_add(&self, rhs: &Self) -> Option<Self>

Adds two numbers, checking for overflow. If overflow happens, None is returned. Read more

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impl CheckedDiv for FixedU128

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fn checked_div(&self, other: &Self) -> Option<Self>

Divides two numbers, checking for underflow, overflow and division by zero. If any of that happens, None is returned. Read more

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impl CheckedMul for FixedU128

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fn checked_mul(&self, other: &Self) -> Option<Self>

Multiplies two numbers, checking for underflow or overflow. If underflow or overflow happens, None is returned. Read more

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impl CheckedSub for FixedU128

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fn checked_sub(&self, rhs: &Self) -> Option<Self>

Subtracts two numbers, checking for underflow. If underflow happens, None is returned. Read more

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impl Clone for FixedU128

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fn clone(&self) -> FixedU128

Returns a copy 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 CompactAs for FixedU128

type As = u128

A compact-encodable type that should be used as the encoding.

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fn encode_as(&self) -> &u128

Returns the compact-encodable type.

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fn decode_from(x: u128) -> Result<FixedU128, Error>

Decode Self from the compact-decoded type.

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impl Debug for FixedU128

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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 Decode for FixedU128

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fn decode<CodecInputEdqy: Input>(
codec_input_edqy: &mut __CodecInputEdqy
) -> Result<Self, Error>

Attempt to deserialise the value from input.

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fn skip(input: &mut I) -> Result<(), Error> where
I: Input,

Attempt to skip the encoded value from input. Read more

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fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type. Read more

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impl Default for FixedU128

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fn default() -> FixedU128

Returns the “default value” for a type. Read more

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impl<'de> Deserialize<'de> for FixedU128

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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where
D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

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impl Display for FixedU128

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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 Div<FixedU128> for FixedU128

type Output = Self

The resulting type after applying the / operator.

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fn div(self, rhs: Self) -> Self::Output

Performs the / operation. Read more

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impl Encode for FixedU128

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fn encode_to<CodecOutputEdqy: Output + ?Sized>(
&self,
codec_dest_edqy: &mut __CodecOutputEdqy
)

Convert self to a slice and append it to the destination.

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fn encode(&self) -> Vec<u8>

Convert self to an owned vector.

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fn using_encoded<R, F: FnOnce(&[u8 ]) -> R>(&self, f: F) -> R

Convert self to a slice and then invoke the given closure with it.

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fn size_hint(&self) -> usize

If possible give a hint of expected size of the encoding. Read more

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fn encoded_size(&self) -> usize

Calculates the encoded size. Read more

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impl FixedPointNumber for FixedU128

type Inner = u128

The underlying data type used for this fixed point number.

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const DIV: Self::Inner

Precision of this fixed point implementation. It should be a power of 10.

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const SIGNED: bool

Indicates if this fixed point implementation is signed or not.

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fn from_inner(inner: Self::Inner) -> Self

Builds this type from an integer number.

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fn into_inner(self) -> Self::Inner

Consumes self and returns the inner raw value.

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fn accuracy() -> Self::Inner

Precision of this fixed point implementation.

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fn saturating_from_integer<N: FixedPointOperand>(int: N) -> Self

Creates self from an integer number int. Read more

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fn checked_from_integer(int: Self::Inner) -> Option<Self>

Creates self from an integer number int. Read more

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fn saturating_from_rational<N: FixedPointOperand, D: FixedPointOperand>(
n: N,
d: D
) -> Self

Creates self from a rational number. Equal to n / d. Read more

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fn checked_from_rational<N: FixedPointOperand, D: FixedPointOperand>(
n: N,
d: D
) -> Option<Self>

Creates self from a rational number. Equal to n / d. Read more

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fn checked_mul_int<N: FixedPointOperand>(self, n: N) -> Option<N>

Checked multiplication for integer type N. Equal to self * n. Read more

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fn saturating_mul_int<N: FixedPointOperand>(self, n: N) -> N

Saturating multiplication for integer type N. Equal to self * n. Read more

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fn checked_div_int<N: FixedPointOperand>(self, d: N) -> Option<N>

Checked division for integer type N. Equal to self / d. Read more

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fn saturating_div_int<N: FixedPointOperand>(self, d: N) -> N

Saturating division for integer type N. Equal to self / d. Read more

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fn saturating_mul_acc_int<N: FixedPointOperand>(self, n: N) -> N

Saturating multiplication for integer type N, adding the result back. Equal to self * n + n. Read more

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fn saturating_abs(self) -> Self

Saturating absolute value. Read more

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fn reciprocal(self) -> Option<Self>

Takes the reciprocal (inverse). Equal to 1 / self. Read more

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fn zero() -> Self

Returns zero.

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fn is_zero(&self) -> bool

Checks if the number is zero.

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fn one() -> Self

Returns one.

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fn is_one(&self) -> bool

Checks if the number is one.

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fn is_positive(self) -> bool

Returns true if self is positive and false if the number is zero or negative.

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fn is_negative(self) -> bool

Returns true if self is negative and false if the number is zero or positive.

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fn trunc(self) -> Self

Returns the integer part.

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fn frac(self) -> Self

Returns the fractional part. Read more

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fn ceil(self) -> Self

Returns the smallest integer greater than or equal to a number. Read more

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fn floor(self) -> Self

Returns the largest integer less than or equal to a number. Read more

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fn round(self) -> Self

Returns the number rounded to the nearest integer. Rounds half-way cases away from 0.0. Read more

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impl<N: FixedPointOperand, D: FixedPointOperand> From<(N, D)> for FixedU128

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fn from(r: (N, D)) -> Self

Performs the conversion.

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impl From<Compact<FixedU128>> for FixedU128

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fn from(x: Compact<FixedU128>) -> FixedU128

Performs the conversion.

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impl<P: PerThing> From for FixedU128 where
P::Inner: FixedPointOperand,

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fn from(p: P) -> Self

Performs the conversion.

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impl From<u128> for FixedU128

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fn from(int: u128) -> Self

Performs the conversion.

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impl FromStr for FixedU128

type Err = &'static str

The associated error which can be returned from parsing.

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fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type. Read more

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impl Mul<FixedU128> for FixedU128

type Output = Self

The resulting type after applying the * operator.

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fn mul(self, rhs: Self) -> Self::Output

Performs the * operation. Read more

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impl Neg for FixedU128

type Output = Self

The resulting type after applying the - operator.

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fn neg(self) -> Self::Output

Performs the unary - operation. Read more

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impl Ord for FixedU128

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fn cmp(&self, other: &FixedU128) -> Ordering

This method returns an Ordering between self and other. Read more

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fn max(self, other: Self) -> Self

Compares and returns the maximum of two values. Read more

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fn min(self, other: Self) -> Self

Compares and returns the minimum of two values. Read more

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fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval. Read more

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impl PartialEq<FixedU128> for FixedU128

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fn eq(&self, other: &FixedU128) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

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fn ne(&self, other: &FixedU128) -> bool

This method tests for !=.

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impl PartialOrd<FixedU128> for FixedU128

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fn partial_cmp(&self, other: &FixedU128) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more

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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more

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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

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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more

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fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more

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impl Saturating for FixedU128

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fn saturating_add(self, rhs: Self) -> Self

Saturating addition. Compute self + rhs, saturating at the numeric bounds instead of overflowing. Read more

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fn saturating_sub(self, rhs: Self) -> Self

Saturating subtraction. Compute self - rhs, saturating at the numeric bounds instead of overflowing. Read more

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fn saturating_mul(self, rhs: Self) -> Self

Saturating multiply. Compute self * rhs, saturating at the numeric bounds instead of overflowing. Read more

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fn saturating_pow(self, exp: usize) -> Self

Saturating exponentiation. Compute self.pow(exp), saturating at the numeric bounds instead of overflowing. Read more

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impl Serialize for FixedU128

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where
S: Serializer,

Serialize this value into the given Serde serializer. Read more

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impl Sub<FixedU128> for FixedU128

type Output = Self

The resulting type after applying the - operator.

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fn sub(self, rhs: Self) -> Self::Output

Performs the - operation. Read more

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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

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

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pub 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,

const: unstable · source

pub 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,

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<T> DecodeAll for T where
T: Decode,

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pub fn decode_all(input: &[u8 ]) -> Result<T, Error>

Decode Self and consume all of the given input data. Read more

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impl<T> DecodeLimit for T where
T: Decode,

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pub fn decode_all_with_depth_limit(limit: u32, input: &[u8 ]) -> Result<T, Error>

Decode Self and consume all of the given input data. Read more

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pub fn decode_with_depth_limit(limit: u32, input: &[u8 ]) -> Result<T, Error>

Decode Self with the given maximum recursion depth. Read more

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> HasCompact for T where
 T: 'static,
 Compact<T>: for<'a> EncodeAsRef<'a, T>,
 Compact<T>: Decode,
 Compact<T>: From<T>,
 Compact<T>: Into<T>,

type Type = Compact<T>

The compact type; this can be

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

const: unstable · source

pub 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> KeyedVec for T where
T: Codec,

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pub fn to_keyed_vec(&self, prepend_key: &[u8 ]) -> Vec<u8, Global>

Return an encoding of Self prepended by given slice.

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impl<T> SaturatedConversion for T

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fn saturated_from<T>(t: T) -> Self where
Self: UniqueSaturatedFrom<T>,

Convert from a value of T into an equivalent instance of Self. Read more

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fn saturated_into<T>(self) -> T where
Self: UniqueSaturatedInto<T>,

Consume self to return an equivalent value of T. Read more

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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pub fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T> ToString for T where
T: Display + ?Sized,

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pub default fn to_string(&self) -> String

Converts the given value to a String. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<T, S> UniqueSaturatedFrom<T> for S where
S: TryFrom<T> + Bounded,

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fn unique_saturated_from(t: T) -> Self

Convert from a value of T into an equivalent instance of Self.

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impl<T, S> UniqueSaturatedInto<T> for S where
T: Bounded,
S: TryInto<T>,

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fn unique_saturated_into(self) -> T

Consume self to return an equivalent value of T.

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impl<S> Codec for S where
S: Decode + Encode,

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impl<T> DeserializeOwned for T where
T: for<'de> Deserialize<'de>,

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impl<'_, '_, T> EncodeLike<&'_ &'_ T> for T where
T: Encode,

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impl<'_, T> EncodeLike<&'_ T> for T where
T: Encode,

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impl<'_, T> EncodeLike<&'_ mut T> for T where
T: Encode,

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impl<T> EncodeLike<Arc<T>> for T where
T: Encode,

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impl<T> EncodeLike<Box<T, Global>> for T where
T: Encode,

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impl<'a, T> EncodeLike<Cow<'a, T>> for T where
T: ToOwned + Encode,

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impl<T> EncodeLike<Rc<T>> for T where
T: Encode,

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impl<S> FullCodec for S where
S: Decode + FullEncode,

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Struct sp_arithmetic::fixed_point::FixedU128

Implementations

impl FixedU128

pub const fn from_inner(inner: u128) -> Self

pub fn from_fraction(x: f64) -> Self

pub fn to_fraction(self) -> f64

Trait Implementations

impl Add<FixedU128> for FixedU128

type Output = Self

fn add(self, rhs: Self) -> Self::Output

impl Bounded for FixedU128

fn min_value() -> Self

fn max_value() -> Self

impl CheckedAdd for FixedU128

fn checked_add(&self, rhs: &Self) -> Option<Self>

impl CheckedDiv for FixedU128

fn checked_div(&self, other: &Self) -> Option<Self>

impl CheckedMul for FixedU128

fn checked_mul(&self, other: &Self) -> Option<Self>

impl CheckedSub for FixedU128

fn checked_sub(&self, rhs: &Self) -> Option<Self>

impl Clone for FixedU128

fn clone(&self) -> FixedU128

fn clone_from(&mut self, source: &Self)

impl CompactAs for FixedU128

type As = u128

fn encode_as(&self) -> &u128

fn decode_from(x: u128) -> Result<FixedU128, Error>

impl Debug for FixedU128

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

impl Decode for FixedU128

fn decode<__CodecInputEdqy: Input>( __codec_input_edqy: &mut __CodecInputEdqy) -> Result<Self, Error>

fn skip<I>(input: &mut I) -> Result<(), Error> where I: Input,

fn encoded_fixed_size() -> Option<usize>

impl Default for FixedU128

fn default() -> FixedU128

impl<'de> Deserialize<'de> for FixedU128

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where D: Deserializer<'de>,

impl Display for FixedU128

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

impl Div<FixedU128> for FixedU128

type Output = Self

fn div(self, rhs: Self) -> Self::Output

impl Encode for FixedU128

fn encode_to<__CodecOutputEdqy: Output + ?Sized>( &self, __codec_dest_edqy: &mut __CodecOutputEdqy)

fn encode(&self) -> Vec<u8>

fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R

fn size_hint(&self) -> usize

fn encoded_size(&self) -> usize

impl FixedPointNumber for FixedU128

type Inner = u128

const DIV: Self::Inner

const SIGNED: bool

fn from_inner(inner: Self::Inner) -> Self

fn into_inner(self) -> Self::Inner

fn accuracy() -> Self::Inner

fn saturating_from_integer<N: FixedPointOperand>(int: N) -> Self

fn checked_from_integer(int: Self::Inner) -> Option<Self>

fn saturating_from_rational<N: FixedPointOperand, D: FixedPointOperand>( n: N, d: D) -> Self

fn checked_from_rational<N: FixedPointOperand, D: FixedPointOperand>( n: N, d: D) -> Option<Self>

fn checked_mul_int<N: FixedPointOperand>(self, n: N) -> Option<N>

fn saturating_mul_int<N: FixedPointOperand>(self, n: N) -> N

fn checked_div_int<N: FixedPointOperand>(self, d: N) -> Option<N>

fn saturating_div_int<N: FixedPointOperand>(self, d: N) -> N

fn saturating_mul_acc_int<N: FixedPointOperand>(self, n: N) -> N

fn saturating_abs(self) -> Self

fn reciprocal(self) -> Option<Self>

fn zero() -> Self

fn is_zero(&self) -> bool

fn one() -> Self

fn is_one(&self) -> bool

fn is_positive(self) -> bool

fn is_negative(self) -> bool

fn trunc(self) -> Self

fn frac(self) -> Self

fn ceil(self) -> Self

fn floor(self) -> Self

fn round(self) -> Self

impl<N: FixedPointOperand, D: FixedPointOperand> From<(N, D)> for FixedU128

fn from(r: (N, D)) -> Self

fn decode<CodecInputEdqy: Input>(
codec_input_edqy: &mut __CodecInputEdqy
) -> Result<Self, Error>

fn skip<I>(input: &mut I) -> Result<(), Error> where
I: Input,

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where
D: Deserializer<'de>,

fn encode_to<CodecOutputEdqy: Output + ?Sized>(
&self,
codec_dest_edqy: &mut __CodecOutputEdqy
)

fn using_encoded<R, F: FnOnce(&[u8 ]) -> R>(&self, f: F) -> R

fn saturating_from_rational<N: FixedPointOperand, D: FixedPointOperand>(
n: N,
d: D
) -> Self

fn checked_from_rational<N: FixedPointOperand, D: FixedPointOperand>(
n: N,
d: D
) -> Option<Self>

impl<P: PerThing> From<P> for FixedU128 where
P::Inner: FixedPointOperand,

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where
S: Serializer,

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

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T> DecodeAll for T where
T: Decode,

pub fn decode_all(input: &[u8 ]) -> Result<T, Error>

impl<T> DecodeLimit for T where
T: Decode,

pub fn decode_all_with_depth_limit(limit: u32, input: &[u8 ]) -> Result<T, Error>

pub fn decode_with_depth_limit(limit: u32, input: &[u8 ]) -> Result<T, Error>