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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 a hamming distance producing a scalar result.
**/
class DenseHammingDistance : public tensor_function::Op2
{
public:
DenseHammingDistance(const TensorFunction &lhs_child,
const TensorFunction &rhs_child);
InterpretedFunction::Instruction compile_self(const ValueBuilderFactory &factory, Stash &stash) const override;
bool result_is_mutable() const override { return true; }
static const TensorFunction &optimize(const TensorFunction &expr, Stash &stash);
};
} // namespace
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