Update src/geometry/scale.rs
Co-authored-by: Sébastien Crozet <sebastien@crozet.re>
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@ -284,17 +284,15 @@ impl<T: Scalar, const D: usize> Scale<T, D> {
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DefaultAllocator: Allocator<T, DimNameSum<Const<D>, U1>, DimNameSum<Const<D>, U1>>
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+ Allocator<T, DimNameSum<Const<D>, U1>, U1>,
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{
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// Unfortunately rust refuses at all costs to allow calling .to_homogeneous on a SVector
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// (self.vector) so I had to do a manual copy in a new OVector
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// The exact error is that to_homogeneous when called on a SVector requires DimAdd on Const<D>
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// not DimNameAdd which will strangely bring rust into thinking that DimNameAdd is a
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// trait object and no longer a generic parameter.
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let mut v = OVector::<T, DimNameSum<Const<D>, U1>>::from_element(T::one());
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// TODO: use self.vector.push() instead. We can’t right now because
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// that would require the DimAdd bound (but here we use DimNameAdd).
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// This should be fixable once Rust gets a more complete support of
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// const-generics.
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let mut v = OVector::from_element(T::one());
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for i in 0..D {
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v[(i, 0)] = self.vector[(i, 0)].clone();
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v[i] = self.vector[i].clone();
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}
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return OMatrix::<T, DimNameSum<Const<D>, U1>, DimNameSum<Const<D>, U1>>::from_diagonal(&v);
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}
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return OMatrix::from_diagonal(&v);
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/// Inverts `self` in-place.
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///
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