glam/
float.rs

1/// A trait for extending [`prim@f32`] and [`prim@f64`] with extra methods.
2pub trait FloatExt {
3    /// Performs a linear interpolation between `self` and `rhs` based on the value `s`.
4    ///
5    /// When `s` is `0`, the result will be `self`.  When `s` is `1`, the result
6    /// will be `rhs`. When `s` is outside of the range `[0, 1]`, the result is linearly
7    /// extrapolated.
8    #[must_use]
9    fn lerp(self, rhs: Self, s: Self) -> Self;
10
11    /// Returns `v` normalized to the range `[a, b]`.
12    ///
13    /// When `v` is equal to `a` the result will be `0`.  When `v` is equal to `b` will be `1`.
14    ///
15    /// When `v` is outside of the range `[a, b]`, the result is linearly extrapolated.
16    ///
17    /// `a` and `b` must not be equal, otherwise the result will be either infinite or `NAN`.
18    fn inverse_lerp(a: Self, b: Self, v: Self) -> Self;
19
20    /// Remap `self` from the input range to the output range.
21    ///
22    /// When `self` is equal to `in_start` this returns `out_start`.
23    /// When `self` is equal to `in_end` this returns `out_end`.
24    ///
25    /// When `self` is outside of the range `[in_start, in_end]`, the result is linearly extrapolated.
26    ///
27    /// `in_start` and `in_end` must not be equal, otherwise the result will be either infinite or `NAN`.
28    #[must_use]
29    fn remap(self, in_start: Self, in_end: Self, out_start: Self, out_end: Self) -> Self;
30}
glam/float.rs

glam/
float.rs
