nil_core/city/
stability.rs1use nil_util::{ConstDeref, F64Math};
5use serde::{Deserialize, Serialize};
6
7#[derive(Copy, Debug, Deserialize, Serialize, ConstDeref, F64Math)]
9#[derive_const(Clone, PartialEq, PartialOrd)]
10#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
11pub struct Stability(f64);
12
13impl Stability {
14 pub const MIN: Stability = Stability(0.0);
15 pub const MAX: Stability = Stability(1.0);
16
17 #[inline]
18 pub const fn new(value: f64) -> Self {
19 debug_assert!(value.is_finite());
20 debug_assert!(!value.is_subnormal());
21 Self(value.clamp(Self::MIN.0, Self::MAX.0))
22 }
23}
24
25impl const Default for Stability {
26 fn default() -> Self {
27 Self::MAX
28 }
29}
30
31impl const From<f64> for Stability {
32 fn from(value: f64) -> Self {
33 Self::new(value)
34 }
35}
36
37impl const From<Stability> for f64 {
38 fn from(value: Stability) -> Self {
39 value.0
40 }
41}