use num::{One, Zero};
use simba::scalar::{ClosedDiv, SubsetOf, SupersetOf};
use simba::simd::PrimitiveSimdValue;
use crate::base::allocator::Allocator;
use crate::base::dimension::{DimName, DimNameAdd, DimNameSum, U1};
use crate::base::{DefaultAllocator, Matrix, Scalar, VectorN};
#[cfg(feature = "mint")]
use crate::base::dimension::{U2, U3};
#[cfg(feature = "mint")]
use crate::base::storage::{Storage, StorageMut};
use crate::geometry::Point;
#[cfg(feature = "mint")]
use mint;
#[cfg(feature = "mint")]
use std::convert::{AsMut, AsRef, From, Into};
impl<N1, N2, D> SubsetOf<Point<N2, D>> for Point<N1, D>
where
D: DimName,
N1: Scalar,
N2: Scalar + SupersetOf<N1>,
DefaultAllocator: Allocator<N2, D> + Allocator<N1, D>,
{
#[inline]
fn to_superset(&self) -> Point<N2, D> {
Point::from(self.coords.to_superset())
}
#[inline]
fn is_in_subset(m: &Point<N2, D>) -> bool {
m.iter().all(|e| e.is_in_subset())
}
#[inline]
fn from_superset_unchecked(m: &Point<N2, D>) -> Self {
Self::from(Matrix::from_superset_unchecked(&m.coords))
}
}
impl<N1, N2, D> SubsetOf<VectorN<N2, DimNameSum<D, U1>>> for Point<N1, D>
where
D: DimNameAdd<U1>,
N1: Scalar,
N2: Scalar + Zero + One + ClosedDiv + SupersetOf<N1>,
DefaultAllocator: Allocator<N1, D>
+ Allocator<N1, DimNameSum<D, U1>>
+ Allocator<N2, DimNameSum<D, U1>>
+ Allocator<N2, D>,
{
#[inline]
fn to_superset(&self) -> VectorN<N2, DimNameSum<D, U1>> {
let p: Point<N2, D> = self.to_superset();
p.to_homogeneous()
}
#[inline]
fn is_in_subset(v: &VectorN<N2, DimNameSum<D, U1>>) -> bool {
crate::is_convertible::<_, VectorN<N1, DimNameSum<D, U1>>>(v) && !v[D::dim()].is_zero()
}
#[inline]
fn from_superset_unchecked(v: &VectorN<N2, DimNameSum<D, U1>>) -> Self {
let coords = v.fixed_slice::<D, U1>(0, 0) / v[D::dim()].inlined_clone();
Self {
coords: crate::convert_unchecked(coords),
}
}
}
#[cfg(feature = "mint")]
macro_rules! impl_from_into_mint_1D(
($($NRows: ident => $PT:ident, $VT:ident [$SZ: expr]);* $(;)*) => {$(
impl<N> From<mint::$PT<N>> for Point<N, $NRows>
where N: Scalar {
#[inline]
fn from(p: mint::$PT<N>) -> Self {
Self {
coords: VectorN::from(mint::$VT::from(p)),
}
}
}
impl<N> Into<mint::$PT<N>> for Point<N, $NRows>
where N: Scalar {
#[inline]
fn into(self) -> mint::$PT<N> {
let mint_vec: mint::$VT<N> = self.coords.into();
mint::$PT::from(mint_vec)
}
}
impl<N> AsRef<mint::$PT<N>> for Point<N, $NRows>
where N: Scalar {
#[inline]
fn as_ref(&self) -> &mint::$PT<N> {
unsafe {
&*(self.coords.data.ptr() as *const mint::$PT<N>)
}
}
}
impl<N> AsMut<mint::$PT<N>> for Point<N, $NRows>
where N: Scalar {
#[inline]
fn as_mut(&mut self) -> &mut mint::$PT<N> {
unsafe {
&mut *(self.coords.data.ptr_mut() as *mut mint::$PT<N>)
}
}
}
)*}
);
#[cfg(feature = "mint")]
impl_from_into_mint_1D!(
U2 => Point2, Vector2[2];
U3 => Point3, Vector3[3];
);
impl<N: Scalar + Zero + One, D: DimName> From<Point<N, D>> for VectorN<N, DimNameSum<D, U1>>
where
D: DimNameAdd<U1>,
DefaultAllocator: Allocator<N, D> + Allocator<N, DimNameSum<D, U1>>,
{
#[inline]
fn from(t: Point<N, D>) -> Self {
t.to_homogeneous()
}
}
impl<N: Scalar, D: DimName> From<VectorN<N, D>> for Point<N, D>
where
DefaultAllocator: Allocator<N, D>,
{
#[inline]
fn from(coords: VectorN<N, D>) -> Self {
Point { coords }
}
}
impl<N: Scalar + Copy + PrimitiveSimdValue, D: DimName> From<[Point<N::Element, D>; 2]>
for Point<N, D>
where
N: From<[<N as simba::simd::SimdValue>::Element; 2]>,
N::Element: Scalar + Copy,
DefaultAllocator: Allocator<N, D> + Allocator<N::Element, D>,
<DefaultAllocator as Allocator<N::Element, D>>::Buffer: Copy,
{
#[inline]
fn from(arr: [Point<N::Element, D>; 2]) -> Self {
Self::from(VectorN::from([arr[0].coords, arr[1].coords]))
}
}
impl<N: Scalar + Copy + PrimitiveSimdValue, D: DimName> From<[Point<N::Element, D>; 4]>
for Point<N, D>
where
N: From<[<N as simba::simd::SimdValue>::Element; 4]>,
N::Element: Scalar + Copy,
DefaultAllocator: Allocator<N, D> + Allocator<N::Element, D>,
<DefaultAllocator as Allocator<N::Element, D>>::Buffer: Copy,
{
#[inline]
fn from(arr: [Point<N::Element, D>; 4]) -> Self {
Self::from(VectorN::from([
arr[0].coords,
arr[1].coords,
arr[2].coords,
arr[3].coords,
]))
}
}
impl<N: Scalar + Copy + PrimitiveSimdValue, D: DimName> From<[Point<N::Element, D>; 8]>
for Point<N, D>
where
N: From<[<N as simba::simd::SimdValue>::Element; 8]>,
N::Element: Scalar + Copy,
DefaultAllocator: Allocator<N, D> + Allocator<N::Element, D>,
<DefaultAllocator as Allocator<N::Element, D>>::Buffer: Copy,
{
#[inline]
fn from(arr: [Point<N::Element, D>; 8]) -> Self {
Self::from(VectorN::from([
arr[0].coords,
arr[1].coords,
arr[2].coords,
arr[3].coords,
arr[4].coords,
arr[5].coords,
arr[6].coords,
arr[7].coords,
]))
}
}
impl<N: Scalar + Copy + PrimitiveSimdValue, D: DimName> From<[Point<N::Element, D>; 16]>
for Point<N, D>
where
N: From<[<N as simba::simd::SimdValue>::Element; 16]>,
N::Element: Scalar + Copy,
DefaultAllocator: Allocator<N, D> + Allocator<N::Element, D>,
<DefaultAllocator as Allocator<N::Element, D>>::Buffer: Copy,
{
#[inline]
fn from(arr: [Point<N::Element, D>; 16]) -> Self {
Self::from(VectorN::from([
arr[0].coords,
arr[1].coords,
arr[2].coords,
arr[3].coords,
arr[4].coords,
arr[5].coords,
arr[6].coords,
arr[7].coords,
arr[8].coords,
arr[9].coords,
arr[10].coords,
arr[11].coords,
arr[12].coords,
arr[13].coords,
arr[14].coords,
arr[15].coords,
]))
}
}