forked from M-Labs/nalgebra
28 lines
1.0 KiB
Rust
28 lines
1.0 KiB
Rust
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use approx::AbsDiffEq;
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use na::DefaultAllocator;
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use traits::{Alloc, Number, Dimension};
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use aliases::Vec;
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/// Componentwise approximate equality beween two vectors.
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pub fn epsilon_equal<N: Number, D: Dimension>(x: &Vec<N, D>, y: &Vec<N, D>, epsilon: N) -> Vec<bool, D>
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where DefaultAllocator: Alloc<N, 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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/// Componentwise approximate equality beween two scalars.
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pub fn epsilon_equal2<N: AbsDiffEq<Epsilon = N>>(x: N, y: N, epsilon: N) -> bool {
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abs_diff_eq!(x, y, epsilon = epsilon)
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}
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/// Componentwise approximate non-equality beween two vectors.
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pub fn epsilon_not_equal<N: Number, D: Dimension>(x: &Vec<N, D>, y: &Vec<N, D>, epsilon: N) -> Vec<bool, D>
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where DefaultAllocator: Alloc<N, 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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/// Componentwise approximate non-equality beween two scalars.
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pub fn epsilon_not_equal2<N: AbsDiffEq<Epsilon = N>>(x: N, y: N, epsilon: N) -> bool {
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abs_diff_ne!(x, y, epsilon = epsilon)
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}
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