Merge branch 'dev' of https://github.com/dimforge/nalgebra into swap-unchecked-ub
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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
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/// Returns `true` if `v` has a magnitude of 1 (up to an epsilon).
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/// Returns `true` if `v` has a magnitude of 1 (up to an epsilon).
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pub fn is_normalized<T: RealNumber, const D: usize>(v: &TVec<T, D>, epsilon: T) -> bool {
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pub fn is_normalized<T: RealNumber, const D: usize>(v: &TVec<T, D>, epsilon: T) -> bool {
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abs_diff_eq!(v.norm_squared(), T::one(), epsilon = epsilon * epsilon)
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// sqrt(1 + epsilon_{norm²} = 1 + epsilon_{norm}
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// ==> epsilon_{norm²} = epsilon_{norm}² + 2*epsilon_{norm}
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// For small epsilon, epsilon² is basically zero, so use 2*epsilon.
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abs_diff_eq!(v.norm_squared(), T::one(), epsilon = epsilon + epsilon)
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}
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}
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/// Returns `true` if `v` is zero (up to an epsilon).
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/// Returns `true` if `v` is zero (up to an epsilon).
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