Trait Signum

pub trait Signum {
    // Required method
    fn signum(self) -> Self;
}

Trait for getting a number that represents the sign of self.

Required Methods

fn signum(self) -> Self

Returns a number that represents the sign of self. For floating point:

• 1.0 if the number is positive, +0.0 or INFINITY
• -1.0 if the number is negative, -0.0 or NEG_INFINITY
• NaN if the number is NaN

Object Safety

This trait is not object safe.

Implementations on Foreign Types

impl Signum for f32

fn signum(self) -> f32

impl Signum for f64

fn signum(self) -> f64

Implementors