Trait FloatExt

pub trait FloatExt {
    type Type;
    type Size;

    // Required methods
    fn trunc(self) -> Self::Type;
    fn fract(self) -> Self::Type;
    fn abs(self) -> Self::Type;
    fn round(self) -> Self::Type;
    fn floor(self) -> Self::Type;
    fn ceil(self) -> Self::Type;
    fn signum(self) -> Self::Type;
    fn exp(self) -> Self::Type;
    fn ln(self) -> Self::Type;
    fn powi(self, val: i32) -> Self::Type;
    fn powf(self, val: Self::Type) -> Self::Type;
    fn sqrt(self) -> Self::Type;
    fn to_bits(self) -> Self::Size;
    fn exponent(self) -> u16;
    fn significand(self) -> Self::Size;
}

Required Associated Types

type Type

type Size

Required Methods

fn trunc(self) -> Self::Type

fn fract(self) -> Self::Type

fn abs(self) -> Self::Type

fn round(self) -> Self::Type

fn floor(self) -> Self::Type

fn ceil(self) -> Self::Type

fn signum(self) -> Self::Type

fn exp(self) -> Self::Type

fn ln(self) -> Self::Type

fn powi(self, val: i32) -> Self::Type

fn powf(self, val: Self::Type) -> Self::Type

fn sqrt(self) -> Self::Type

fn to_bits(self) -> Self::Size

fn exponent(self) -> u16

fn significand(self) -> Self::Size

Implementations on Foreign Types

impl FloatExt for f32

fn exp(self) -> <f32 as FloatExt>::Type

Implementation of Exponential Function from NIST DTMF eq 4.2.19: <https://dlmf.nist.gov/4.2.E19>

fn ln(self) -> <f32 as FloatExt>::Type

Implementation of Natural Logarithm using NIST DLMF eq 4.6.4: <https://dlmf.nist.gov/4.6.E4>

fn powf(self, a: <f32 as FloatExt>::Type) -> <f32 as FloatExt>::Type

Implementation of general power function using NIST DLMF eq 4.2.26: <https://dlmf.nist.gov/4.2.E26>

fn powi(self, val: i32) -> <f32 as FloatExt>::Type

Naive implementation of integer power fn. Will do something smarter later.

type Type = f32

type Size = u32

fn trunc(self) -> f32

fn fract(self) -> f32

fn abs(self) -> f32

fn round(self) -> f32

fn floor(self) -> f32

fn ceil(self) -> f32

fn signum(self) -> f32

fn sqrt(self) -> <f32 as FloatExt>::Type

fn to_bits(self) -> <f32 as FloatExt>::Size

fn exponent(self) -> u16

fn significand(self) -> <f32 as FloatExt>::Size

impl FloatExt for f64

fn trunc(self) -> f64

Truncate the value Just casts to u64 then back to f64.

fn abs(self) -> f64

Force the value to be positive by zeroing out the highest sign bit.

fn exp(self) -> <f64 as FloatExt>::Type

Implementation of Exponential Function from NIST DTMF eq 4.2.19: <https://dlmf.nist.gov/4.2.E19>

fn ln(self) -> <f64 as FloatExt>::Type

Implementation of Natural Logarithm using NIST DLMF eq 4.6.4: <https://dlmf.nist.gov/4.6.E4>

fn powf(self, a: <f64 as FloatExt>::Type) -> <f64 as FloatExt>::Type

Implementation of general power function using NIST DLMF eq 4.2.26: <https://dlmf.nist.gov/4.2.E26>

fn powi(self, val: i32) -> <f64 as FloatExt>::Type

Naive implementation of integer power fn. Will do something smarter later.

type Type = f64

type Size = u64

fn fract(self) -> f64

fn round(self) -> f64

fn floor(self) -> f64

fn ceil(self) -> f64

fn signum(self) -> f64

fn sqrt(self) -> <f64 as FloatExt>::Type

fn to_bits(self) -> <f64 as FloatExt>::Size

fn exponent(self) -> u16

fn significand(self) -> <f64 as FloatExt>::Size

Implementors

impl FloatExt for FixedI128

type Type = FixedI128

type Size = i128

impl FloatExt for FixedU32

type Type = FixedU32

type Size = u32

impl FloatExt for FixedU64

type Type = FixedU64

type Size = u64

impl FloatExt for FixedU128

type Type = FixedU128

type Size = u128