84 lines
2.1 KiB
Rust
84 lines
2.1 KiB
Rust
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use alga::general::{Field, Real, MeetSemilattice, JoinSemilattice, Lattice};
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use alga::linear::{AffineSpace, EuclideanSpace};
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use core::{ColumnVector, Scalar};
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use core::dimension::{DimName, U1};
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use core::storage::OwnedStorage;
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use core::allocator::OwnedAllocator;
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use geometry::PointBase;
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impl<N, D: DimName, S> AffineSpace for PointBase<N, D, S>
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where N: Scalar + Field,
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S: OwnedStorage<N, D, U1>,
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S::Alloc: OwnedAllocator<N, D, U1, S> {
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type Translation = ColumnVector<N, D, S>;
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}
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impl<N, D: DimName, S> EuclideanSpace for PointBase<N, D, S>
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where N: Real,
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S: OwnedStorage<N, D, U1>,
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S::Alloc: OwnedAllocator<N, D, U1, S> {
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type Coordinates = ColumnVector<N, D, S>;
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type Real = N;
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#[inline]
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fn origin() -> Self {
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Self::origin()
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}
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#[inline]
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fn coordinates(&self) -> Self::Coordinates {
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self.coords.clone()
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}
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#[inline]
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fn from_coordinates(coords: Self::Coordinates) -> Self {
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Self::from_coordinates(coords)
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}
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#[inline]
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fn scale_by(&self, n: N) -> Self {
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self * n
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}
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}
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/*
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*
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* Ordering
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*
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*/
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impl<N, D: DimName, S> MeetSemilattice for PointBase<N, D, S>
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where N: Scalar + MeetSemilattice,
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S: OwnedStorage<N, D, U1>,
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S::Alloc: OwnedAllocator<N, D, U1, S> {
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#[inline]
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fn meet(&self, other: &Self) -> Self {
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PointBase::from_coordinates(self.coords.meet(&other.coords))
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}
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}
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impl<N, D: DimName, S> JoinSemilattice for PointBase<N, D, S>
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where N: Scalar + JoinSemilattice,
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S: OwnedStorage<N, D, U1>,
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S::Alloc: OwnedAllocator<N, D, U1, S> {
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#[inline]
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fn join(&self, other: &Self) -> Self {
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PointBase::from_coordinates(self.coords.join(&other.coords))
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}
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}
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impl<N, D: DimName, S> Lattice for PointBase<N, D, S>
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where N: Scalar + Lattice,
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S: OwnedStorage<N, D, U1>,
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S::Alloc: OwnedAllocator<N, D, U1, S> {
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#[inline]
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fn meet_join(&self, other: &Self) -> (Self, Self) {
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let (meet, join) = self.coords.meet_join(&other.coords);
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(PointBase::from_coordinates(meet), PointBase::from_coordinates(join))
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}
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}
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