77 lines
2.0 KiB
Rust
77 lines
2.0 KiB
Rust
use na::DefaultAllocator;
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use crate::aliases::TVec;
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use crate::traits::{Alloc, Dimension, 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<N: Number, D: Dimension>(
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x: &TVec<N, D>,
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y: &TVec<N, D>,
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epsilon: N,
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) -> TVec<bool, D>
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where
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DefaultAllocator: Alloc<N, D>,
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{
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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<N: Number, D: Dimension>(
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x: &TVec<N, D>,
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y: &TVec<N, D>,
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epsilon: &TVec<N, D>,
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) -> TVec<bool, D>
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where
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DefaultAllocator: Alloc<N, D>,
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{
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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<N: Number, D: Dimension>(
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x: &TVec<N, D>,
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y: &TVec<N, D>,
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epsilon: N,
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) -> TVec<bool, D>
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where
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DefaultAllocator: Alloc<N, D>,
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{
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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<N: Number, D: Dimension>(
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x: &TVec<N, D>,
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y: &TVec<N, D>,
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epsilon: &TVec<N, D>,
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) -> TVec<bool, D>
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where
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DefaultAllocator: Alloc<N, D>,
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{
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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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