nalgebra_glm/ext/
vector_relational.rs

1use crate::aliases::TVec;
2use crate::traits::Number;
3
4/// Component-wise approximate equality of two vectors, using a scalar epsilon.
5///
6/// # See also:
7///
8/// * [`equal_eps_vec()`]
9/// * [`not_equal_eps()`]
10/// * [`not_equal_eps_vec()`]
11pub fn equal_eps<T: Number, const D: usize>(
12    x: &TVec<T, D>,
13    y: &TVec<T, D>,
14    epsilon: T,
15) -> TVec<bool, D> {
16    x.zip_map(y, |x, y| abs_diff_eq!(x, y, epsilon = epsilon))
17}
18
19/// Component-wise approximate equality of two vectors, using a per-component epsilon.
20///
21/// # See also:
22///
23/// * [`equal_eps()`]
24/// * [`not_equal_eps()`]
25/// * [`not_equal_eps_vec()`]
26pub fn equal_eps_vec<T: Number, const D: usize>(
27    x: &TVec<T, D>,
28    y: &TVec<T, D>,
29    epsilon: &TVec<T, D>,
30) -> TVec<bool, D> {
31    x.zip_zip_map(y, epsilon, |x, y, eps| abs_diff_eq!(x, y, epsilon = eps))
32}
33
34/// Component-wise approximate non-equality of two vectors, using a scalar epsilon.
35///
36/// # See also:
37///
38/// * [`equal_eps()`]
39/// * [`equal_eps_vec()`]
40/// * [`not_equal_eps_vec()`]
41pub fn not_equal_eps<T: Number, const D: usize>(
42    x: &TVec<T, D>,
43    y: &TVec<T, D>,
44    epsilon: T,
45) -> TVec<bool, D> {
46    x.zip_map(y, |x, y| abs_diff_ne!(x, y, epsilon = epsilon))
47}
48
49/// Component-wise approximate non-equality of two vectors, using a per-component epsilon.
50///
51/// # See also:
52///
53/// * [`equal_eps()`]
54/// * [`equal_eps_vec()`]
55/// * [`not_equal_eps()`]
56pub fn not_equal_eps_vec<T: Number, const D: usize>(
57    x: &TVec<T, D>,
58    y: &TVec<T, D>,
59    epsilon: &TVec<T, D>,
60) -> TVec<bool, D> {
61    x.zip_zip_map(y, epsilon, |x, y, eps| abs_diff_ne!(x, y, epsilon = eps))
62}
nalgebra_glm/ext/vector_relational.rs

nalgebra_glm/ext/
vector_relational.rs
