forked from M-Labs/nalgebra
75 lines
2.2 KiB
Rust
75 lines
2.2 KiB
Rust
use alga::general::{RealField, SubsetOf};
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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, MatrixN};
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use crate::geometry::{SuperTCategoryOf, TCategory, Transform};
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impl<N1, N2, D: DimName, C1, C2> SubsetOf<Transform<N2, D, C2>> for Transform<N1, D, C1>
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where
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N1: RealField + SubsetOf<N2>,
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N2: RealField,
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C1: TCategory,
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C2: SuperTCategoryOf<C1>,
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D: DimNameAdd<U1>,
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DefaultAllocator: Allocator<N1, DimNameSum<D, U1>, DimNameSum<D, U1>>
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+ Allocator<N2, DimNameSum<D, U1>, DimNameSum<D, U1>>,
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N1::Epsilon: Copy,
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N2::Epsilon: Copy,
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{
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#[inline]
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fn to_superset(&self) -> Transform<N2, D, C2> {
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Transform::from_matrix_unchecked(self.to_homogeneous().to_superset())
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}
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#[inline]
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fn is_in_subset(t: &Transform<N2, D, C2>) -> bool {
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<Self as SubsetOf<_>>::is_in_subset(t.matrix())
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}
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#[inline]
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unsafe fn from_superset_unchecked(t: &Transform<N2, D, C2>) -> Self {
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Self::from_superset_unchecked(t.matrix())
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}
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}
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impl<N1, N2, D: DimName, C> SubsetOf<MatrixN<N2, DimNameSum<D, U1>>> for Transform<N1, D, C>
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where
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N1: RealField + SubsetOf<N2>,
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N2: RealField,
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C: TCategory,
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D: DimNameAdd<U1>,
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DefaultAllocator: Allocator<N1, DimNameSum<D, U1>, DimNameSum<D, U1>>
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+ Allocator<N2, DimNameSum<D, U1>, DimNameSum<D, U1>>,
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N1::Epsilon: Copy,
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N2::Epsilon: Copy,
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{
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#[inline]
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fn to_superset(&self) -> MatrixN<N2, DimNameSum<D, U1>> {
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self.matrix().to_superset()
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}
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#[inline]
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fn is_in_subset(m: &MatrixN<N2, DimNameSum<D, U1>>) -> bool {
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C::check_homogeneous_invariants(m)
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}
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#[inline]
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unsafe fn from_superset_unchecked(m: &MatrixN<N2, DimNameSum<D, U1>>) -> Self {
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Self::from_matrix_unchecked(crate::convert_ref_unchecked(m))
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}
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}
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impl<N: RealField, D: DimName, C> From<Transform<N, D, C>> for MatrixN<N, DimNameSum<D, U1>>
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where
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D: DimNameAdd<U1>,
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C: TCategory,
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DefaultAllocator: Allocator<N, DimNameSum<D, U1>, DimNameSum<D, U1>>,
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{
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#[inline]
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fn from(t: Transform<N, D, C>) -> Self {
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t.to_homogeneous()
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}
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}
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