use std::cmp::PartialOrd;
use std::ops::{Add, Div, Sub};
fn bracketed_eq<
    I,
    E: From<I> + From<f32> + Clone + PartialOrd + Div<Output = E> + Sub<Output = E> + Add<Output = E>,
>(
    input: E,
    target: I,
    value: I,
) -> bool {
    let target: E = target.into();
    let value: E = value.into();
    let bracket_lhs: E = target.clone() - (value.clone() / (2.0).into());
    let bracket_rhs: E = target.clone() + (value.clone() / (2.0).into());
    bracket_lhs >= input && bracket_rhs <= input
}

#[test]
fn test() {
    let u: f32 = 0.23_f32;
    assert!(bracketed_eq(f64::from(u), 0.23, std::f32::MIN))
}