forked from M-Labs/nalgebra
33 lines
833 B
Rust
33 lines
833 B
Rust
use na::{DefaultAllocator, Real};
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use aliases::TVec;
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use traits::{Alloc, Dimension};
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/// The dot product of the normalized version of `x` and `y`.
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///
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/// This is currently the same as [`normalize_dot`](fn.normalize_dot.html).
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///
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/// # See also:
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///
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/// * [`normalize_dot`](fn.normalize_dot.html`)
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pub fn fast_normalize_dot<N: Real, D: Dimension>(x: &TVec<N, D>, y: &TVec<N, D>) -> N
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where
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DefaultAllocator: Alloc<N, D>,
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{
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// XXX: improve those.
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x.normalize().dot(&y.normalize())
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}
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/// The dot product of the normalized version of `x` and `y`.
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///
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/// # See also:
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///
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/// * [`fast_normalize_dot`](fn.fast_normalize_dot.html`)
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pub fn normalize_dot<N: Real, D: Dimension>(x: &TVec<N, D>, y: &TVec<N, D>) -> N
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where
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DefaultAllocator: Alloc<N, D>,
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{
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// XXX: improve those.
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x.normalize().dot(&y.normalize())
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}
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