2018-10-13 16:25:34 +08:00
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use num::{One, Zero};
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2020-03-21 19:16:46 +08:00
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use simba::scalar::{ClosedDiv, SubsetOf, SupersetOf};
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2020-04-05 23:15:43 +08:00
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use simba::simd::PrimitiveSimdValue;
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2016-12-05 05:44:42 +08:00
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2019-03-23 21:29:07 +08:00
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use crate::base::allocator::Allocator;
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use crate::base::dimension::{DimName, DimNameAdd, DimNameSum, U1};
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use crate::base::{DefaultAllocator, Matrix, Scalar, VectorN};
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2016-12-05 05:44:42 +08:00
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2019-03-23 21:29:07 +08:00
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use crate::geometry::Point;
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2021-03-06 19:20:38 +08:00
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2016-12-05 05:44:42 +08:00
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/*
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* This file provides the following conversions:
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* =============================================
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*
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2017-08-03 01:37:44 +08:00
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* Point -> Point
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* Point -> Vector (homogeneous)
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2016-12-05 05:44:42 +08:00
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*/
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2017-08-03 01:37:44 +08:00
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impl<N1, N2, D> SubsetOf<Point<N2, D>> for Point<N1, D>
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2018-02-02 19:26:35 +08:00
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where
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D: DimName,
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N1: Scalar,
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N2: Scalar + SupersetOf<N1>,
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2018-02-02 19:26:35 +08:00
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DefaultAllocator: Allocator<N2, D> + Allocator<N1, D>,
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{
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2016-12-05 05:44:42 +08:00
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#[inline]
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fn to_superset(&self) -> Point<N2, D> {
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2018-10-24 02:47:42 +08:00
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Point::from(self.coords.to_superset())
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2016-12-05 05:44:42 +08:00
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}
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#[inline]
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2017-08-03 01:37:44 +08:00
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fn is_in_subset(m: &Point<N2, D>) -> bool {
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2020-11-15 23:57:49 +08:00
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// TODO: is there a way to reuse the `.is_in_subset` from the matrix implementation of
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2016-12-05 05:44:42 +08:00
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// SubsetOf?
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m.iter().all(|e| e.is_in_subset())
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}
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#[inline]
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fn from_superset_unchecked(m: &Point<N2, D>) -> Self {
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2019-02-17 05:29:41 +08:00
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Self::from(Matrix::from_superset_unchecked(&m.coords))
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2016-12-05 05:44:42 +08:00
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}
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}
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2017-08-03 01:37:44 +08:00
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impl<N1, N2, D> SubsetOf<VectorN<N2, DimNameSum<D, U1>>> for Point<N1, D>
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2018-02-02 19:26:35 +08:00
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where
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D: DimNameAdd<U1>,
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2019-12-17 07:09:14 +08:00
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N1: Scalar,
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N2: Scalar + Zero + One + ClosedDiv + SupersetOf<N1>,
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2018-02-02 19:26:35 +08:00
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DefaultAllocator: Allocator<N1, D>
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+ Allocator<N1, DimNameSum<D, U1>>
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+ Allocator<N2, DimNameSum<D, U1>>
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+ Allocator<N2, D>,
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{
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#[inline]
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fn to_superset(&self) -> VectorN<N2, DimNameSum<D, U1>> {
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let p: Point<N2, D> = self.to_superset();
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2016-12-05 05:44:42 +08:00
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p.to_homogeneous()
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}
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#[inline]
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2017-08-03 01:37:44 +08:00
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fn is_in_subset(v: &VectorN<N2, DimNameSum<D, U1>>) -> bool {
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2019-03-23 21:29:07 +08:00
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crate::is_convertible::<_, VectorN<N1, DimNameSum<D, U1>>>(v) && !v[D::dim()].is_zero()
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}
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#[inline]
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fn from_superset_unchecked(v: &VectorN<N2, DimNameSum<D, U1>>) -> Self {
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let coords = v.fixed_slice::<D, U1>(0, 0) / v[D::dim()].inlined_clone();
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2018-10-24 02:47:42 +08:00
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Self {
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coords: crate::convert_unchecked(coords),
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}
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2016-12-05 05:44:42 +08:00
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}
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}
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2018-06-09 00:43:39 +08:00
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2019-12-17 07:09:14 +08:00
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impl<N: Scalar + Zero + One, D: DimName> From<Point<N, D>> for VectorN<N, DimNameSum<D, U1>>
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2018-10-13 16:25:34 +08:00
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where
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D: DimNameAdd<U1>,
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DefaultAllocator: Allocator<N, D> + Allocator<N, DimNameSum<D, U1>>,
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{
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#[inline]
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fn from(t: Point<N, D>) -> Self {
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t.to_homogeneous()
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}
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}
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2018-10-24 02:47:42 +08:00
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2019-12-17 07:09:14 +08:00
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impl<N: Scalar, D: DimName> From<VectorN<N, D>> for Point<N, D>
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2020-04-05 23:15:43 +08:00
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where
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DefaultAllocator: Allocator<N, D>,
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2018-10-24 02:47:42 +08:00
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{
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#[inline]
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fn from(coords: VectorN<N, D>) -> Self {
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2020-03-21 19:16:46 +08:00
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Point { coords }
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2018-10-24 02:47:42 +08:00
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}
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}
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2020-03-23 16:16:01 +08:00
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impl<N: Scalar + Copy + PrimitiveSimdValue, D: DimName> From<[Point<N::Element, D>; 2]>
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for Point<N, D>
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where
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N: From<[<N as simba::simd::SimdValue>::Element; 2]>,
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N::Element: Scalar + Copy,
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DefaultAllocator: Allocator<N, D> + Allocator<N::Element, D>,
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<DefaultAllocator as Allocator<N::Element, D>>::Buffer: Copy,
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{
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#[inline]
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fn from(arr: [Point<N::Element, D>; 2]) -> Self {
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Self::from(VectorN::from([arr[0].coords, arr[1].coords]))
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}
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}
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impl<N: Scalar + Copy + PrimitiveSimdValue, D: DimName> From<[Point<N::Element, D>; 4]>
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for Point<N, D>
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where
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N: From<[<N as simba::simd::SimdValue>::Element; 4]>,
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N::Element: Scalar + Copy,
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DefaultAllocator: Allocator<N, D> + Allocator<N::Element, D>,
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<DefaultAllocator as Allocator<N::Element, D>>::Buffer: Copy,
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{
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#[inline]
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fn from(arr: [Point<N::Element, D>; 4]) -> Self {
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Self::from(VectorN::from([
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arr[0].coords,
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arr[1].coords,
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arr[2].coords,
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arr[3].coords,
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]))
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}
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}
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impl<N: Scalar + Copy + PrimitiveSimdValue, D: DimName> From<[Point<N::Element, D>; 8]>
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for Point<N, D>
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where
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N: From<[<N as simba::simd::SimdValue>::Element; 8]>,
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N::Element: Scalar + Copy,
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DefaultAllocator: Allocator<N, D> + Allocator<N::Element, D>,
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<DefaultAllocator as Allocator<N::Element, D>>::Buffer: Copy,
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{
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#[inline]
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fn from(arr: [Point<N::Element, D>; 8]) -> Self {
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Self::from(VectorN::from([
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arr[0].coords,
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arr[1].coords,
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arr[2].coords,
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arr[3].coords,
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arr[4].coords,
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arr[5].coords,
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arr[6].coords,
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arr[7].coords,
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]))
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}
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}
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impl<N: Scalar + Copy + PrimitiveSimdValue, D: DimName> From<[Point<N::Element, D>; 16]>
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for Point<N, D>
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where
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N: From<[<N as simba::simd::SimdValue>::Element; 16]>,
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N::Element: Scalar + Copy,
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DefaultAllocator: Allocator<N, D> + Allocator<N::Element, D>,
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<DefaultAllocator as Allocator<N::Element, D>>::Buffer: Copy,
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{
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#[inline]
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fn from(arr: [Point<N::Element, D>; 16]) -> Self {
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Self::from(VectorN::from([
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arr[0].coords,
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arr[1].coords,
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arr[2].coords,
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arr[3].coords,
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arr[4].coords,
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arr[5].coords,
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arr[6].coords,
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arr[7].coords,
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arr[8].coords,
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arr[9].coords,
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arr[10].coords,
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arr[11].coords,
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arr[12].coords,
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arr[13].coords,
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arr[14].coords,
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arr[15].coords,
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]))
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}
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}
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