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Fix ASAN-detected bugs in Diagonal::data() and array_cwise test

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libeigen/eigen!2182

Co-authored-by: Rasmus Munk Larsen <rmlarsen@gmail.com>
This commit is contained in:
Rasmus Munk Larsen
2026-02-21 21:11:36 -08:00
parent d4077a6e99
commit f52ad04bbb
2 changed files with 7 additions and 2 deletions
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8
Eigen/src/Core/Diagonal.h
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@@ -91,8 +91,12 @@ class Diagonal : public internal::dense_xpr_base<Diagonal<MatrixType, DiagIndex_
typedef std::conditional_t<internal::is_lvalue<MatrixType>::value, Scalar, const Scalar> ScalarWithConstIfNotLvalue;
EIGEN_DEVICE_FUNC inline ScalarWithConstIfNotLvalue* data() { return &(m_matrix.coeffRef(rowOffset(), colOffset())); }
EIGEN_DEVICE_FUNC inline const Scalar* data() const { return &(m_matrix.coeffRef(rowOffset(), colOffset())); }
EIGEN_DEVICE_FUNC inline ScalarWithConstIfNotLvalue* data() {
return rows() > 0 ? &(m_matrix.coeffRef(rowOffset(), colOffset())) : nullptr;
}
EIGEN_DEVICE_FUNC inline const Scalar* data() const {
return rows() > 0 ? &(m_matrix.coeffRef(rowOffset(), colOffset())) : nullptr;
}
EIGEN_DEVICE_FUNC inline Scalar& coeffRef(Index row, Index) {
EIGEN_STATIC_ASSERT_LVALUE(MatrixType)