Trait F32Ext

pub trait F32Ext: Sized {
    // Required methods
    fn abs(self) -> f32;
    fn acos(self) -> f32;
    fn asin(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 copysign(self, sign: f32) -> f32;
    fn cos(self) -> f32;
    fn div_euclid(self, other: f32) -> f32;
    fn exp(self) -> f32;
    fn floor(self) -> f32;
    fn fract(self) -> f32;
    fn hypot(self, other: f32) -> f32;
    fn inv(self) -> f32;
    fn invsqrt(self) -> f32;
    fn ln(self) -> f32;
    fn log(self, base: f32) -> f32;
    fn log2(self) -> f32;
    fn log10(self) -> f32;
    fn mul_add(self, a: f32, b: f32) -> f32;
    fn powf(self, n: f32) -> f32;
    fn powi(self, n: i32) -> f32;
    fn recip(self) -> f32;
    fn rem_euclid(self, other: f32) -> f32;
    fn round(self) -> f32;
    fn signum(self) -> f32;
    fn sin(self) -> f32;
    fn sin_cos(self) -> (f32, f32);
    fn sqrt(self) -> f32;
    fn tan(self) -> f32;
    fn trunc(self) -> 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 acos(self) -> f32

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

fn asin(self) -> f32

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

fn atan(self) -> f32

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

fn atan_norm(self) -> f32

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

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

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

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

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

fn ceil(self) -> f32

Approximates floating point ceiling.

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

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

fn cos(self) -> f32

Approximates 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 exp(self) -> f32

Approximates e^x.

fn floor(self) -> f32

Approximates floating point floor.

fn fract(self) -> f32

Retrieve the fractional part of floating point with sign.

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

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

fn inv(self) -> f32

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

fn invsqrt(self) -> f32

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

fn ln(self) -> f32

Approximates ln(x).

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

Approximates log with an arbitrary base.

fn log2(self) -> f32

Approximates log2.

fn log10(self) -> f32

Approximates log10.

fn mul_add(self, a: f32, b: f32) -> f32

Computes (self * a) + b.

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

Approximates self^n.

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

Approximates self^n where n is an i32

fn recip(self) -> f32

Returns the reciprocal (inverse) of a number, 1/x.

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

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

fn round(self) -> f32

Round the number part of floating point with sign.

fn signum(self) -> f32

Returns a number that represents the sign of self.

fn sin(self) -> f32

Approximates sine in radians with a maximum error of 0.002.

fn sin_cos(self) -> (f32, f32)

Simultaneously computes the sine and cosine of the number, x. Returns (sin(x), cos(x)).

fn sqrt(self) -> f32

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

fn tan(self) -> f32

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

fn trunc(self) -> f32

Retrieve whole number part of floating point with sign.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl F32Ext for f32

fn abs(self) -> f32

fn acos(self) -> f32

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

fn cos(self) -> f32

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

fn exp(self) -> f32

fn floor(self) -> f32

fn fract(self) -> f32

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

fn inv(self) -> f32

fn invsqrt(self) -> f32

fn ln(self) -> f32

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

fn log2(self) -> f32

fn log10(self) -> f32

fn mul_add(self, a: f32, b: f32) -> f32

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

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

fn recip(self) -> f32

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

fn round(self) -> f32

fn signum(self) -> f32

fn sin(self) -> f32

fn sin_cos(self) -> (f32, f32)

fn sqrt(self) -> f32

fn tan(self) -> f32

fn trunc(self) -> f32

Implementors