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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 creating a dense tensor from double values.
* TODO: benchmark how useful this is, maybe we can just drop it.
*/
class DenseTensorCreateFunction : public TensorFunction
{
public:
struct Self {
ValueType result_type;
size_t result_size;
Self(const ValueType &r, size_t n) : result_type(r), result_size(n) {}
};
private:
Self _self;
std::vector<Child> _children;
public:
DenseTensorCreateFunction(const ValueType &res_type, std::vector<Child> children);
~DenseTensorCreateFunction();
const ValueType &result_type() const override { return _self.result_type; }
void push_children(std::vector<Child::CREF> &children) const override;
InterpretedFunction::Instruction compile_self(const CTFContext &ctx) const override;
bool result_is_mutable() const override { return true; }
static const TensorFunction &optimize(const TensorFunction &expr, Stash &stash);
};
} // namespace vespalib::eval
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