Struct FPDecimal 

pub struct FPDecimal {
    pub num: U256,
    pub sign: i8,
}

Fields

num: U256

sign: i8

Implementations

impl FPDecimal

pub fn add(&self, other: i128) -> FPDecimal

pub fn sub(&self, other: i128) -> FPDecimal

pub fn mul(&self, other: i128) -> FPDecimal

pub fn div(&self, other: i128) -> Self

pub fn reciprocal(x: FPDecimal) -> Self

pub fn abs(&self) -> Self

pub fn abs_diff(&self, other: &Self) -> Self

impl FPDecimal

pub fn maximum(&self, other: &Self) -> FPDecimal

pub fn minimum(&self, other: &Self) -> FPDecimal

impl FPDecimal

pub fn exp_taylor_expansion(a: FPDecimal, b: FPDecimal) -> FPDecimal

pub fn pow(self, exponent: FPDecimal) -> Result<FPDecimal, FPDecimalError>

pub fn exp(a: FPDecimal) -> FPDecimal

pub fn sqrt(self) -> Result<FPDecimal, FPDecimalError>

impl FPDecimal

pub fn factorial(&self) -> FPDecimal

pub fn gamma(x: FPDecimal) -> FPDecimal

impl FPDecimal

pub fn must_from_str(input: &str) -> Self

impl FPDecimal

pub fn sinh(&self) -> FPDecimal

pub fn cosh(&self) -> FPDecimal

pub fn tanh(&self) -> FPDecimal

impl FPDecimal

pub fn log(&self, base: FPDecimal) -> Result<FPDecimal, FPDecimalError>

pub fn ln(&self) -> FPDecimal

impl FPDecimal

pub fn imprecise_cos(&self) -> FPDecimal

pub fn imprecise_sin(&self) -> FPDecimal

impl FPDecimal

pub const MAX: FPDecimal

pub const MIN: FPDecimal

pub const DIGITS: usize = 18usize

pub const NEGATIVE_ONE: FPDecimal

pub const ZERO: FPDecimal

pub const LN2: FPDecimal

pub const ONE: FPDecimal

pub const TWO: FPDecimal

pub const THREE: FPDecimal

pub const FOUR: FPDecimal

pub const FIVE: FPDecimal

pub const SIX: FPDecimal

pub const SEVEN: FPDecimal

pub const EIGHT: FPDecimal

pub const NINE: FPDecimal

pub const TEN: FPDecimal

pub const ELEVEN: FPDecimal

pub const SMALLEST_PRECISION: FPDecimal

pub const MUL_PRECISION: FPDecimal

pub const E: FPDecimal

pub const E_10: FPDecimal

pub const LN_1_5: FPDecimal

pub const LN_2: FPDecimal

pub const LN_10: FPDecimal

pub const LOG2_10: FPDecimal

pub const LOG2_E: FPDecimal

pub const LOG10_2: FPDecimal

pub const LOG10_E: FPDecimal

pub const PI: FPDecimal

pub const FRAC_1_PI: FPDecimal

pub const FRAC_1_SQRT_2: FPDecimal

pub const FRAC_2_PI: FPDecimal

pub const FRAC_2_SQRT_PI: FPDecimal

pub const FRAC_PI_2: FPDecimal

pub const FRAC_PI_3: FPDecimal

pub const FRAC_PI_4: FPDecimal

pub const FRAC_PI_6: FPDecimal

pub const FRAC_PI_8: FPDecimal

pub const SQRT_2: FPDecimal

pub const TAU: FPDecimal

pub fn is_zero(&self) -> bool

pub fn is_negative(&self) -> bool

pub fn _int(x: FPDecimal) -> Self

pub fn int(&self) -> Self

pub fn is_int(&self) -> bool

pub fn _fraction(x: FPDecimal) -> Self

pub fn fraction(&self) -> Self

pub fn into_uint256_ceil(self) -> Uint256

pub fn into_uint256_floor(self) -> Uint256

pub fn to_u256(&self) -> Uint256

Trait Implementations

impl Add for FPDecimal

type Output = FPDecimal

The resulting type after applying the + operator.

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

Performs the + operation.

impl AddAssign for FPDecimal

fn add_assign(&mut self, rhs: Self)

Performs the += operation.

impl Clone for FPDecimal

fn clone(&self) -> FPDecimal

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FPDecimal

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

Formats the value using the given formatter.

impl Default for FPDecimal

fn default() -> FPDecimal

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for FPDecimal

Deserializes as a base64 string

fn deserialize<D>(deserializer: D) -> Result<FPDecimal, D::Error>

where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for FPDecimal

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

Formats the value using the given formatter.

impl Div for FPDecimal

type Output = FPDecimal

The resulting type after applying the / operator.

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

Performs the / operation.

impl DivAssign for FPDecimal

fn div_assign(&mut self, rhs: FPDecimal)

Performs the /= operation.

impl From<Decimal256> for FPDecimal

fn from(value: Decimal256) -> FPDecimal

Converts to this type from the input type.

impl From<FPDecimal> for Uint128

fn from(x: FPDecimal) -> Uint128

Converts to this type from the input type.

impl From<FPDecimal> for u128

fn from(x: FPDecimal) -> u128

Converts to this type from the input type.

impl From<U256> for FPDecimal

fn from(x: U256) -> FPDecimal

Converts to this type from the input type.

impl From<Uint128> for FPDecimal

fn from(x: Uint128) -> FPDecimal

Converts to this type from the input type.

impl From<Uint256> for FPDecimal

fn from(x: Uint256) -> FPDecimal

Converts to this type from the input type.

impl From<i128> for FPDecimal

fn from(x: i128) -> FPDecimal

Converts to this type from the input type.

impl From<u128> for FPDecimal

fn from(x: u128) -> FPDecimal

Converts to this type from the input type.

impl FromStr for FPDecimal

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

Converts the decimal string to a FPDecimal Possible inputs: “1.23”, “1”, “000012”, “1.123000000” Disallowed: “”, “.23”

This never performs any kind of rounding. More than 18 fractional digits, even zeros, result in an error.

type Err = StdError

The associated error which can be returned from parsing.

impl JsonSchema for FPDecimal

fn schema_name() -> String

The name of the generated JSON Schema.

fn schema_id() -> Cow<'static, str>

Returns a string that uniquely identifies the schema produced by this type.

fn json_schema(generator: &mut SchemaGenerator) -> Schema

Generates a JSON Schema for this type.

fn is_referenceable() -> bool

Whether JSON Schemas generated for this type should be re-used where possible using the $ref keyword.

impl Mul for FPDecimal

type Output = FPDecimal

The resulting type after applying the * operator.

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

Performs the * operation.

impl MulAssign for FPDecimal

fn mul_assign(&mut self, rhs: Self)

Performs the *= operation.

impl Neg for FPDecimal

type Output = FPDecimal

The resulting type after applying the - operator.

fn neg(self) -> Self::Output

Performs the unary - operation.

impl Ord for FPDecimal

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

This method returns an Ordering between self and other.

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

where Self: Sized,

Compares and returns the maximum of two values.

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

where Self: Sized,

Compares and returns the minimum of two values.

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

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for FPDecimal

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for FPDecimal

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

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

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

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Self) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Rem for FPDecimal

type Output = FPDecimal

The resulting type after applying the % operator.

fn rem(self, divisor: FPDecimal) -> Self::Output

Performs the % operation.

impl RemAssign for FPDecimal

fn rem_assign(&mut self, b: FPDecimal)

Performs the %= operation.

impl Scaled for FPDecimal

fn scaled(self, digits: i32) -> Self

impl Serialize for FPDecimal

Serializes as a decimal string

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

where S: Serializer,

Serialize this value into the given Serde serializer.

impl Sub for FPDecimal

type Output = FPDecimal

The resulting type after applying the - operator.

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

Performs the - operation.

impl SubAssign for FPDecimal

fn sub_assign(&mut self, rhs: Self)

Performs the -= operation.

impl<'a> Sum<&'a FPDecimal> for FPDecimal

fn sum<I>(iter: I) -> Self

where I: Iterator<Item = &'a Self>,

Takes an iterator and generates Self from the elements by “summing up” the items.

impl ToProto for FPDecimal

fn to_proto_string(self) -> String

impl TryFrom<FPDecimal> for Decimal256

type Error = StdError

The type returned in the event of a conversion error.

fn try_from(fp_decimal: FPDecimal) -> Result<Self, Self::Error>

Performs the conversion.

impl Copy for FPDecimal

impl Eq for FPDecimal