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Simplify expression for inner product fallback in Gemv product evaluator.

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Rasmus Munk Larsen 2020-11-12 23:43:15 +00:00
parent 276db21f26
commit bec72345d6
1 changed files with 1 additions and 1 deletions
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Eigen/src/Core/ProductEvaluators.h
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@ -377,7 +377,7 @@ struct generic_product_impl<Lhs,Rhs,DenseShape,DenseShape,GemvProduct>
{ {
// Fallback to inner product if both the lhs and rhs is a runtime vector. // Fallback to inner product if both the lhs and rhs is a runtime vector.
if (lhs.rows() == 1 && rhs.cols() == 1) { if (lhs.rows() == 1 && rhs.cols() == 1) {
dst.coeffRef(0,0) += alpha * (lhs.row(0).transpose().cwiseProduct(rhs.col(0)).sum()); dst.coeffRef(0,0) += alpha * lhs.row(0).conjugate().dot(rhs.col(0));
return; return;
} }
LhsNested actual_lhs(lhs); LhsNested actual_lhs(lhs);