image 0.23.1

Imaging library written in Rust. Provides basic filters and decoders for the most common image formats.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

//! Shared mathematical utility functions.

/// 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);
/// ```
#[inline]
pub fn clamp<N>(a: N, min: N, max: N) -> N
where
    N: PartialOrd,
{
    if a < min {
        return min;
    }
    if a > max {
        return max;
    }
    a
}