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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 <vector>
namespace vespalib {
namespace eval {
class Function;
/**
* Calculate the expected number of times each parameter will be
* used. Note: Correlation between condition checks and effects of
* short-circuit evaluation and constant value optimizations are not
* taken into account.
*
* @return expected parameter usage per parameter
* @param function the function to analyze
**/
std::vector<double> count_param_usage(const Function &function);
/**
* Calculate the probability that each parameter will be used. Note:
* Correlation between condition checks and effects of short-circuit
* evaluation and constant value optimizations are not taken into
* account.
*
* @return parameter usage probability per parameter
* @param function the function to analyze
**/
std::vector<double> check_param_usage(const Function &function);
} // namespace vespalib::eval
} // namespace vespalib
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