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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 converting join expressions on the
* form 'join(tensor,<small integer constant>,f(x,y)(pow(x,y))' to
* expressions on the form 'map(tensor,f(x)(x*x...))'.
**/
struct PowAsMapOptimizer {
static const TensorFunction &optimize(const TensorFunction &expr, Stash &stash);
};
} // namespace vespalib::eval
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