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206 lines
4.9 KiB
Rust
206 lines
4.9 KiB
Rust
// Regression test for #66768.
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// check-pass
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#![allow(dead_code)]
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//-^ "dead code" is needed to reproduce the issue.
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use std::marker::PhantomData;
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use std::ops::{Add, Mul};
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fn problematic_function<Space>(material_surface_element: Edge2dElement)
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where
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DefaultAllocator: FiniteElementAllocator<DimU1, Space>,
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{
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let _: Point2<f64> = material_surface_element.map_reference_coords().into();
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}
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impl<T> ArrayLength<T> for UTerm {
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type ArrayType = ();
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}
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impl<T, N: ArrayLength<T>> ArrayLength<T> for UInt<N, B0> {
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type ArrayType = GenericArrayImplEven<T, N>;
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}
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impl<T, N: ArrayLength<T>> ArrayLength<T> for UInt<N, B1> {
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type ArrayType = GenericArrayImplOdd<T, N>;
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}
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impl<U> Add<U> for UTerm {
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type Output = U;
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fn add(self, _: U) -> Self::Output {
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unimplemented!()
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}
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}
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impl<Ul, Ur> Add<UInt<Ur, B1>> for UInt<Ul, B0>
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where
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Ul: Add<Ur>,
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{
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type Output = UInt<Sum<Ul, Ur>, B1>;
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fn add(self, _: UInt<Ur, B1>) -> Self::Output {
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unimplemented!()
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}
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}
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impl<U> Mul<U> for UTerm {
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type Output = UTerm;
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fn mul(self, _: U) -> Self {
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unimplemented!()
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}
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}
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impl<Ul, B, Ur> Mul<UInt<Ur, B>> for UInt<Ul, B0>
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where
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Ul: Mul<UInt<Ur, B>>,
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{
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type Output = UInt<Prod<Ul, UInt<Ur, B>>, B0>;
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fn mul(self, _: UInt<Ur, B>) -> Self::Output {
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unimplemented!()
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}
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}
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impl<Ul, B, Ur> Mul<UInt<Ur, B>> for UInt<Ul, B1>
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where
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Ul: Mul<UInt<Ur, B>>,
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UInt<Prod<Ul, UInt<Ur, B>>, B0>: Add<UInt<Ur, B>>,
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{
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type Output = Sum<UInt<Prod<Ul, UInt<Ur, B>>, B0>, UInt<Ur, B>>;
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fn mul(self, _: UInt<Ur, B>) -> Self::Output {
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unimplemented!()
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}
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}
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impl<N, R, C> Allocator<N, R, C> for DefaultAllocator
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where
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R: DimName,
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C: DimName,
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R::Value: Mul<C::Value>,
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Prod<R::Value, C::Value>: ArrayLength<N>,
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{
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type Buffer = ArrayStorage<N, R, C>;
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fn allocate_uninitialized(_: R, _: C) -> Self::Buffer {
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unimplemented!()
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}
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fn allocate_from_iterator<I>(_: R, _: C, _: I) -> Self::Buffer {
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unimplemented!()
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}
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}
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impl<N, C> Allocator<N, Dynamic, C> for DefaultAllocator {
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type Buffer = VecStorage<N, Dynamic, C>;
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fn allocate_uninitialized(_: Dynamic, _: C) -> Self::Buffer {
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unimplemented!()
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}
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fn allocate_from_iterator<I>(_: Dynamic, _: C, _: I) -> Self::Buffer {
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unimplemented!()
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}
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}
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impl DimName for DimU1 {
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type Value = U1;
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fn name() -> Self {
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unimplemented!()
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}
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}
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impl DimName for DimU2 {
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type Value = U2;
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fn name() -> Self {
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unimplemented!()
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}
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}
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impl<N, D> From<VectorN<N, D>> for Point<N, D>
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where
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DefaultAllocator: Allocator<N, D>,
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{
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fn from(_: VectorN<N, D>) -> Self {
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unimplemented!()
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}
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}
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impl<GeometryDim, NodalDim> FiniteElementAllocator<GeometryDim, NodalDim> for DefaultAllocator where
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DefaultAllocator: Allocator<f64, GeometryDim> + Allocator<f64, NodalDim>
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{
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}
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impl ReferenceFiniteElement for Edge2dElement {
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type NodalDim = DimU1;
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}
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impl FiniteElement<DimU2> for Edge2dElement {
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fn map_reference_coords(&self) -> Vector2<f64> {
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unimplemented!()
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}
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}
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type Owned<N, R, C> = <DefaultAllocator as Allocator<N, R, C>>::Buffer;
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type MatrixMN<N, R, C> = Matrix<N, R, C, Owned<N, R, C>>;
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type VectorN<N, D> = MatrixMN<N, D, DimU1>;
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type Vector2<N> = VectorN<N, DimU2>;
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type Point2<N> = Point<N, DimU2>;
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type U1 = UInt<UTerm, B1>;
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type U2 = UInt<UInt<UTerm, B1>, B0>;
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type Sum<A, B> = <A as Add<B>>::Output;
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type Prod<A, B> = <A as Mul<B>>::Output;
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struct GenericArray<T, U: ArrayLength<T>> {
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_data: U::ArrayType,
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}
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struct GenericArrayImplEven<T, U> {
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_parent2: U,
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_marker: T,
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}
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struct GenericArrayImplOdd<T, U> {
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_parent2: U,
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_data: T,
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}
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struct B0;
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struct B1;
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struct UTerm;
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struct UInt<U, B> {
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_marker: PhantomData<(U, B)>,
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}
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struct DefaultAllocator;
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struct Dynamic;
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struct DimU1;
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struct DimU2;
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struct Matrix<N, R, C, S> {
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_data: S,
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_phantoms: PhantomData<(N, R, C)>,
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}
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struct ArrayStorage<N, R, C>
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where
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R: DimName,
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C: DimName,
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R::Value: Mul<C::Value>,
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Prod<R::Value, C::Value>: ArrayLength<N>,
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{
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_data: GenericArray<N, Prod<R::Value, C::Value>>,
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}
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struct VecStorage<N, R, C> {
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_data: N,
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_nrows: R,
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_ncols: C,
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}
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struct Point<N, D>
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where
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DefaultAllocator: Allocator<N, D>,
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{
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_coords: VectorN<N, D>,
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}
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struct Edge2dElement;
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trait ArrayLength<T> {
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type ArrayType;
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}
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trait Allocator<Scalar, R, C = DimU1> {
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type Buffer;
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fn allocate_uninitialized(nrows: R, ncols: C) -> Self::Buffer;
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fn allocate_from_iterator<I>(nrows: R, ncols: C, iter: I) -> Self::Buffer;
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}
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trait DimName {
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type Value;
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fn name() -> Self;
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}
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trait FiniteElementAllocator<GeometryDim, NodalDim>:
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Allocator<f64, GeometryDim> + Allocator<f64, NodalDim>
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{
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}
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trait ReferenceFiniteElement {
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type NodalDim;
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}
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trait FiniteElement<GeometryDim>: ReferenceFiniteElement
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where
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DefaultAllocator: FiniteElementAllocator<GeometryDim, Self::NodalDim>,
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{
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fn map_reference_coords(&self) -> VectorN<f64, GeometryDim>;
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}
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fn main() {}
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