srenblad/nalgebra
1
0
Fork 0
forked from M-Labs/nalgebra
Code Pull Requests Activity

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

Browse Source
This commit is contained in:
Yotam Ofek 2024-03-22 17:56:35 +00:00
commit 3651942670
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
nalgebra-glm/src/gtx/vector_query.rs
View File

@ -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).
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).