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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 optimizer for efficient non-transposing renames.
**/
struct FastRenameOptimizer {
static bool is_stable_rename(const ValueType &from_type, const ValueType &to_type,
const std::vector<vespalib::string> &from,
const std::vector<vespalib::string> &to);
static const TensorFunction &optimize(const TensorFunction &expr, Stash &stash);
};
} // namespace vespalib::eval
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