forked from M-Labs/nalgebra
76 lines
1.5 KiB
Rust
76 lines
1.5 KiB
Rust
use alga::general::{Field, JoinSemilattice, Lattice, MeetSemilattice, RealField};
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use alga::linear::{AffineSpace, EuclideanSpace};
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use crate::base::{SVector, Scalar};
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use crate::geometry::Point;
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impl<T: Scalar + Field, const D: usize> AffineSpace for Point<T, D>
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where
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T: Scalar + Field,
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{
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type Translation = SVector<T, D>;
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}
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impl<T: RealField + simba::scalar::RealField, const D: usize> EuclideanSpace for Point<T, D> {
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type Coordinates = SVector<T, D>;
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type RealField = T;
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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
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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(coords)
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}
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#[inline]
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fn scale_by(&self, n: T) -> 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<T, const D: usize> MeetSemilattice for Point<T, D>
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where
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T: Scalar + MeetSemilattice,
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{
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#[inline]
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fn meet(&self, other: &Self) -> Self {
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Self::from(self.coords.meet(&other.coords))
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}
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}
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impl<T, const D: usize> JoinSemilattice for Point<T, D>
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where
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T: Scalar + JoinSemilattice,
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{
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#[inline]
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fn join(&self, other: &Self) -> Self {
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Self::from(self.coords.join(&other.coords))
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}
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}
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impl<T, const D: usize> Lattice for Point<T, D>
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where
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T: Scalar + Lattice,
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{
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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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(Self::from(meet), Self::from(join))
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}
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}
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