forked from M-Labs/nalgebra
63 lines
1.8 KiB
Rust
63 lines
1.8 KiB
Rust
use crate::aliases::TVec;
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use crate::traits::Number;
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/// Component-wise approximate equality of two vectors, using a scalar epsilon.
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///
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/// # See also:
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///
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/// * [`equal_eps_vec`](fn.equal_eps_vec.html)
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/// * [`not_equal_eps`](fn.not_equal_eps.html)
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/// * [`not_equal_eps_vec`](fn.not_equal_eps_vec.html)
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pub fn equal_eps<T: Number, const D: usize>(
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x: &TVec<T, D>,
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y: &TVec<T, D>,
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epsilon: T,
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) -> TVec<bool, D> {
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x.zip_map(y, |x, y| abs_diff_eq!(x, y, epsilon = epsilon))
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}
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/// Component-wise approximate equality of two vectors, using a per-component epsilon.
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///
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/// # See also:
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///
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/// * [`equal_eps`](fn.equal_eps.html)
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/// * [`not_equal_eps`](fn.not_equal_eps.html)
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/// * [`not_equal_eps_vec`](fn.not_equal_eps_vec.html)
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pub fn equal_eps_vec<T: Number, const D: usize>(
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x: &TVec<T, D>,
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y: &TVec<T, D>,
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epsilon: &TVec<T, D>,
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) -> TVec<bool, D> {
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x.zip_zip_map(y, epsilon, |x, y, eps| abs_diff_eq!(x, y, epsilon = eps))
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}
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/// Component-wise approximate non-equality of two vectors, using a scalar epsilon.
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///
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/// # See also:
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///
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/// * [`equal_eps`](fn.equal_eps.html)
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/// * [`equal_eps_vec`](fn.equal_eps_vec.html)
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/// * [`not_equal_eps_vec`](fn.not_equal_eps_vec.html)
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pub fn not_equal_eps<T: Number, const D: usize>(
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x: &TVec<T, D>,
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y: &TVec<T, D>,
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epsilon: T,
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) -> TVec<bool, D> {
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x.zip_map(y, |x, y| abs_diff_ne!(x, y, epsilon = epsilon))
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}
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/// Component-wise approximate non-equality of two vectors, using a per-component epsilon.
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///
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/// # See also:
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///
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/// * [`equal_eps`](fn.equal_eps.html)
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/// * [`equal_eps_vec`](fn.equal_eps_vec.html)
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/// * [`not_equal_eps`](fn.not_equal_eps.html)
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pub fn not_equal_eps_vec<T: Number, const D: usize>(
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x: &TVec<T, D>,
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y: &TVec<T, D>,
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epsilon: &TVec<T, D>,
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) -> TVec<bool, D> {
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x.zip_zip_map(y, epsilon, |x, y, eps| abs_diff_ne!(x, y, epsilon = eps))
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}
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