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RFC: Add comment in `Rotation::to_homogeneous()`

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Jochen Görtler 2018-11-20 09:22:01 +01:00 committed by Sébastien Crozet
parent bc9c74cbb6
commit 85bfae5390
1 changed files with 3 additions and 0 deletions
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3
src/geometry/rotation.rs
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@ -201,6 +201,9 @@ where DefaultAllocator: Allocator<N, D, D>
D: DimNameAdd<U1>, D: DimNameAdd<U1>,
DefaultAllocator: Allocator<N, DimNameSum<D, U1>, DimNameSum<D, U1>>, DefaultAllocator: Allocator<N, DimNameSum<D, U1>, DimNameSum<D, U1>>,
{ {
// We could use `MatrixN::to_homogeneous()` here, but that would imply
// adding the additional traits `DimAdd` and `IsNotStaticOne`. Maybe
// these things will get nicer once specialization lands in Rust.
let mut res = MatrixN::<N, DimNameSum<D, U1>>::identity(); let mut res = MatrixN::<N, DimNameSum<D, U1>>::identity();
res.fixed_slice_mut::<D, D>(0, 0).copy_from(&self.matrix); res.fixed_slice_mut::<D, D>(0, 0).copy_from(&self.matrix);