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Merge branch 'dev' of https://github.com/dimforge/nalgebra into swap-unchecked-ub

This commit is contained in:
Yotam Ofek 2024-03-22 17:56:35 +00:00
parent 095c561b60 9948bf7e23
commit 3651942670
1 changed files with 4 additions and 1 deletions
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5
nalgebra-glm/src/gtx/vector_query.rs
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@ -41,7 +41,10 @@ pub fn is_comp_null<T: Number, const D: usize>(v: &TVec<T, D>, epsilon: T) -> TV
/// Returns `true` if `v` has a magnitude of 1 (up to an epsilon). /// Returns `true` if `v` has a magnitude of 1 (up to an epsilon).
pub fn is_normalized<T: RealNumber, const D: usize>(v: &TVec<T, D>, epsilon: T) -> bool { pub fn is_normalized<T: RealNumber, const D: usize>(v: &TVec<T, D>, epsilon: T) -> bool {
abs_diff_eq!(v.norm_squared(), T::one(), epsilon = epsilon * epsilon) // sqrt(1 + epsilon_{norm²} = 1 + epsilon_{norm}
// ==> epsilon_{norm²} = epsilon_{norm}² + 2*epsilon_{norm}
// For small epsilon, epsilon² is basically zero, so use 2*epsilon.
abs_diff_eq!(v.norm_squared(), T::one(), epsilon = epsilon + epsilon)
} }
/// Returns `true` if `v` is zero (up to an epsilon). /// Returns `true` if `v` is zero (up to an epsilon).