Trait num_traits::float::FloatConst

pub trait FloatConst {
    // Required methods
    fn E() -> Self;
    fn FRAC_1_PI() -> Self;
    fn FRAC_1_SQRT_2() -> Self;
    fn FRAC_2_PI() -> Self;
    fn FRAC_2_SQRT_PI() -> Self;
    fn FRAC_PI_2() -> Self;
    fn FRAC_PI_3() -> Self;
    fn FRAC_PI_4() -> Self;
    fn FRAC_PI_6() -> Self;
    fn FRAC_PI_8() -> Self;
    fn LN_10() -> Self;
    fn LN_2() -> Self;
    fn LOG10_E() -> Self;
    fn LOG2_E() -> Self;
    fn PI() -> Self;
    fn SQRT_2() -> Self;

    // Provided methods
    fn TAU() -> Self
       where Self: Sized + Add<Self, Output = Self> { ... }
    fn LOG10_2() -> Self
       where Self: Sized + Div<Self, Output = Self> { ... }
    fn LOG2_10() -> Self
       where Self: Sized + Div<Self, Output = Self> { ... }
}

Required Methods

fn E() -> Self

Return Euler’s number.

fn FRAC_1_PI() -> Self

Return 1.0 / π.

fn FRAC_1_SQRT_2() -> Self

Return 1.0 / sqrt(2.0).

fn FRAC_2_PI() -> Self

Return 2.0 / π.

fn FRAC_2_SQRT_PI() -> Self

Return 2.0 / sqrt(π).

fn FRAC_PI_2() -> Self

Return π / 2.0.

fn FRAC_PI_3() -> Self

Return π / 3.0.

fn FRAC_PI_4() -> Self

Return π / 4.0.

fn FRAC_PI_6() -> Self

Return π / 6.0.

fn FRAC_PI_8() -> Self

Return π / 8.0.

fn LN_10() -> Self

Return ln(10.0).

fn LN_2() -> Self

Return ln(2.0).

fn LOG10_E() -> Self

Return log10(e).

fn LOG2_E() -> Self

Return log2(e).

fn PI() -> Self

Return Archimedes’ constant π.

fn SQRT_2() -> Self

Return sqrt(2.0).

Provided Methods

fn TAU() -> Self

where Self: Sized + Add<Self, Output = Self>,

Return the full circle constant τ.

fn LOG10_2() -> Self

where Self: Sized + Div<Self, Output = Self>,

Return log10(2.0).

fn LOG2_10() -> Self

where Self: Sized + Div<Self, Output = Self>,

Return log2(10.0).

Object Safety

This trait is not object safe.

Implementations on Foreign Types

impl FloatConst for f32

fn E() -> Self

fn FRAC_1_PI() -> Self

fn FRAC_1_SQRT_2() -> Self

fn FRAC_2_PI() -> Self

fn FRAC_2_SQRT_PI() -> Self

fn FRAC_PI_2() -> Self

fn FRAC_PI_3() -> Self

fn FRAC_PI_4() -> Self

fn FRAC_PI_6() -> Self

fn FRAC_PI_8() -> Self

fn LN_10() -> Self

fn LN_2() -> Self

fn LOG10_E() -> Self

fn LOG2_E() -> Self

fn PI() -> Self

fn SQRT_2() -> Self

fn TAU() -> Self

fn LOG10_2() -> Self

fn LOG2_10() -> Self

impl FloatConst for f64

fn E() -> Self

fn FRAC_1_PI() -> Self

fn FRAC_1_SQRT_2() -> Self

fn FRAC_2_PI() -> Self

fn FRAC_2_SQRT_PI() -> Self

fn FRAC_PI_2() -> Self

fn FRAC_PI_3() -> Self

fn FRAC_PI_4() -> Self

fn FRAC_PI_6() -> Self

fn FRAC_PI_8() -> Self

fn LN_10() -> Self

fn LN_2() -> Self

fn LOG10_E() -> Self

fn LOG2_E() -> Self

fn PI() -> Self

fn SQRT_2() -> Self

fn TAU() -> Self

fn LOG10_2() -> Self

fn LOG2_10() -> Self

Implementors