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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/eval/eval/tensor_function.h>
namespace vespalib::eval {
/**
* Tensor function for the dot product between (the expansion of a 1d
* sparse tensor and a 1d dense tensor) and (a 2d mixed tensor).
*/
class Mixed112DotProduct : public tensor_function::Node
{
private:
Child _a; // 1d sparse
Child _b; // 1d dense
Child _c; // 2d mixed
public:
Mixed112DotProduct(const TensorFunction &a_in,
const TensorFunction &b_in,
const TensorFunction &c_in);
InterpretedFunction::Instruction compile_self(const CTFContext &ctx) const override;
bool result_is_mutable() const override { return true; }
void push_children(std::vector<Child::CREF> &children) const final override;
void visit_children(vespalib::ObjectVisitor &visitor) const final override;
static const TensorFunction &optimize(const TensorFunction &expr, Stash &stash);
};
} // namespace
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