Trait micromath::F32Ext

pub trait F32Ext: Sized {
    // Required methods
    fn abs(self) -> f32;
    fn asin(self) -> f32;
    fn acos(self) -> f32;
    fn atan(self) -> f32;
    fn atan_norm(self) -> f32;
    fn atan2(self, other: f32) -> f32;
    fn atan2_norm(self, other: f32) -> f32;
    fn ceil(self) -> f32;
    fn cos(self) -> f32;
    fn div_euclid(self, other: f32) -> f32;
    fn floor(self) -> f32;
    fn hypot(self, other: f32) -> f32;
    fn inv(self) -> f32;
    fn invsqrt(self) -> f32;
    fn rem_euclid(self, other: f32) -> f32;
    fn sin(self) -> f32;
    fn sqrt(self) -> f32;
    fn tan(self) -> f32;
    fn trunc(self) -> f32;
    fn round(self) -> f32;
    fn fract(self) -> f32;
    fn copysign(self, sign: f32) -> f32;
    fn ln(self) -> f32;
    fn exp(self) -> f32;
    fn log(self, base: f32) -> f32;
    fn log2(self) -> f32;
    fn log10(self) -> f32;
    fn powf(self, n: f32) -> f32;
    fn powi(self, n: i32) -> f32;
}

f32 extension providing various arithmetic approximations and polyfills for std functionality.

Required Methods

fn abs(self) -> f32

Compute absolute value with a constant-time, data-independent implementation.

fn asin(self) -> f32

Approximate asin(x) in radians in the range [-pi/2, pi/2].

fn acos(self) -> f32

Approximate acos(x) in radians in the range [0, pi]

fn atan(self) -> f32

Approximate atan(x) in radians with a maximum error of 0.002.

fn atan_norm(self) -> f32

Approximate atan(x) normalized to the [−1,1] range with a maximum error of 0.1620 degrees.

fn atan2(self, other: f32) -> f32

Approximate the four quadrant arctangent atan2(x) in radians, with a maximum error of 0.002.

fn atan2_norm(self, other: f32) -> f32

Approximate the four quadrant arctangent. Normalized to the [0,4) range with a maximum error of 0.1620 degrees.

fn ceil(self) -> f32

Approximate floating point ceiling.

fn cos(self) -> f32

Approximate cosine in radians with a maximum error of 0.002.

fn div_euclid(self, other: f32) -> f32

Calculates Euclidean division, the matching method for rem_euclid.

fn floor(self) -> f32

Approximate floating point floor.

fn hypot(self, other: f32) -> f32

Approximate the length of the hypotenuse of a right-angle triangle given legs of length x and y.

fn inv(self) -> f32

Approximate 1/x with an average deviation of ~8%.

fn invsqrt(self) -> f32

Approximate inverse square root with an average deviation of ~5%.

fn rem_euclid(self, other: f32) -> f32

Calculates the least nonnegative remainder of self (mod other).

fn sin(self) -> f32

Approximate sine in radians with a maximum error of 0.002.

fn sqrt(self) -> f32

Approximate square root with an average deviation of ~5%.

fn tan(self) -> f32

Approximate tan(x) in radians with a maximum error of 0.6.

fn trunc(self) -> f32

Retrieve whole number part of floating point with sign.

fn round(self) -> f32

Round the number part of floating point with sign.

fn fract(self) -> f32

Retrieve the fractional part of floating point with sign.

fn copysign(self, sign: f32) -> f32

Copies the sign from one number to another and returns it.

fn ln(self) -> f32

Approximate ln(x).

fn exp(self) -> f32

Approximate e^x.

fn log(self, base: f32) -> f32

Approximate log with an arbitrary base.

fn log2(self) -> f32

Approximate log2.

fn log10(self) -> f32

Approximate log10.

fn powf(self, n: f32) -> f32

Approximate self^n.

fn powi(self, n: i32) -> f32

Approximate self^n where n is an i32

Object Safety

This trait is not object safe.

Implementations on Foreign Types

impl F32Ext for f32

fn abs(self) -> f32

fn asin(self) -> f32

fn acos(self) -> f32

fn atan(self) -> f32

fn atan_norm(self) -> f32

fn atan2(self, other: f32) -> f32

fn atan2_norm(self, other: f32) -> f32

fn ceil(self) -> f32

fn cos(self) -> f32

fn div_euclid(self, other: f32) -> f32

fn floor(self) -> f32

fn hypot(self, other: f32) -> f32

fn inv(self) -> f32

fn invsqrt(self) -> f32

fn rem_euclid(self, other: f32) -> f32

fn sin(self) -> f32

fn sqrt(self) -> f32

fn tan(self) -> f32

fn trunc(self) -> f32

fn round(self) -> f32

fn fract(self) -> f32

fn copysign(self, sign: f32) -> f32

fn ln(self) -> f32

fn exp(self) -> f32

fn log(self, base: f32) -> f32

fn log2(self) -> f32

fn log10(self) -> f32

fn powf(self, n: f32) -> f32

fn powi(self, n: i32) -> f32

Implementors