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Fix scalar_inner_product_op when binary ops return a different type

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This commit is contained in:
Jeremy Nimmer 2025-10-06 18:19:59 +00:00 committed by Rasmus Munk Larsen
parent c08497ae1c
commit b27f784ca5
1 changed files with 7 additions and 1 deletions
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8
Eigen/src/Core/InnerProduct.h
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@ -211,8 +211,14 @@ struct scalar_inner_product_op {
static constexpr bool PacketAccess = false; static constexpr bool PacketAccess = false;
}; };
// Partial specialization for packet access if and only if
// LhsScalar == RhsScalar == ScalarBinaryOpTraits<LhsScalar, RhsScalar>::ReturnType.
template <typename Scalar, bool Conj> template <typename Scalar, bool Conj>
struct scalar_inner_product_op<Scalar, Scalar, Conj> { struct scalar_inner_product_op<
Scalar,
typename std::enable_if<internal::is_same<typename ScalarBinaryOpTraits<Scalar, Scalar>::ReturnType, Scalar>::value,
Scalar>::type,
Conj> {
using result_type = Scalar; using result_type = Scalar;
using conj_helper = conditional_conj<Scalar, Conj>; using conj_helper = conditional_conj<Scalar, Conj>;
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Scalar coeff(const Scalar& a, const Scalar& b) const { EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Scalar coeff(const Scalar& a, const Scalar& b) const {