Function image::math::utils::clamp

pub fn clamp<N>(a: N, min: N, max: N) -> N where
    N: PartialOrd, 

Cut value to be inside given range

use image::math::utils;

assert_eq!(utils::clamp(-5, 0, 10),  0);
assert_eq!(utils::clamp( 6, 0, 10),  6);
assert_eq!(utils::clamp(15, 0, 10), 10);