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Make permutation products aliasing by default.

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This commit is contained in:
Antonio Sanchez
2025-08-25 05:28:25 -07:00
committed by Rasmus Munk Larsen
parent 4ae5647355
commit d2a70fe4e2
2 changed files with 33 additions and 11 deletions
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18
Eigen/src/Core/PermutationMatrix.h
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@@ -468,17 +468,17 @@ class PermutationWrapper : public PermutationBase<PermutationWrapper<IndicesType
/** \returns the matrix with the permutation applied to the columns.
*/
template <typename MatrixDerived, typename PermutationDerived>
EIGEN_DEVICE_FUNC const Product<MatrixDerived, PermutationDerived, AliasFreeProduct> operator*(
EIGEN_DEVICE_FUNC const Product<MatrixDerived, PermutationDerived, DefaultProduct> operator*(
const MatrixBase<MatrixDerived>& matrix, const PermutationBase<PermutationDerived>& permutation) {
return Product<MatrixDerived, PermutationDerived, AliasFreeProduct>(matrix.derived(), permutation.derived());
return Product<MatrixDerived, PermutationDerived, DefaultProduct>(matrix.derived(), permutation.derived());
}
/** \returns the matrix with the permutation applied to the rows.
*/
template <typename PermutationDerived, typename MatrixDerived>
EIGEN_DEVICE_FUNC const Product<PermutationDerived, MatrixDerived, AliasFreeProduct> operator*(
EIGEN_DEVICE_FUNC const Product<PermutationDerived, MatrixDerived, DefaultProduct> operator*(
const PermutationBase<PermutationDerived>& permutation, const MatrixBase<MatrixDerived>& matrix) {
return Product<PermutationDerived, MatrixDerived, AliasFreeProduct>(permutation.derived(), matrix.derived());
return Product<PermutationDerived, MatrixDerived, DefaultProduct>(permutation.derived(), matrix.derived());
}
template <typename PermutationType>
@@ -520,16 +520,16 @@ class InverseImpl<PermutationType, PermutationStorage> : public EigenBase<Invers
/** \returns the matrix with the inverse permutation applied to the columns.
*/
template <typename OtherDerived>
friend const Product<OtherDerived, InverseType, AliasFreeProduct> operator*(const MatrixBase<OtherDerived>& matrix,
const InverseType& trPerm) {
return Product<OtherDerived, InverseType, AliasFreeProduct>(matrix.derived(), trPerm.derived());
friend const Product<OtherDerived, InverseType, DefaultProduct> operator*(const MatrixBase<OtherDerived>& matrix,
const InverseType& trPerm) {
return Product<OtherDerived, InverseType, DefaultProduct>(matrix.derived(), trPerm.derived());
}
/** \returns the matrix with the inverse permutation applied to the rows.
*/
template <typename OtherDerived>
const Product<InverseType, OtherDerived, AliasFreeProduct> operator*(const MatrixBase<OtherDerived>& matrix) const {
return Product<InverseType, OtherDerived, AliasFreeProduct>(derived(), matrix.derived());
const Product<InverseType, OtherDerived, DefaultProduct> operator*(const MatrixBase<OtherDerived>& matrix) const {
return Product<InverseType, OtherDerived, DefaultProduct>(derived(), matrix.derived());
}
};