cmath_lowering_policy.h

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#pragma once
 
#include <nlohmann/json.hpp>
#include <cstddef>

namespace cmath_lowering_policy
{
struct expr_cost
{
  size_t node_count = 0;
  size_t depth = 0;
  size_t call_count = 0;
  size_t binop_count = 0;
};
 
struct budget
{
  size_t max_node_count = 32;
  size_t max_depth = 6;
  size_t max_call_count = 2;
  size_t max_binop_count = 8;
};
 
expr_cost measure(const nlohmann::json &arg);
bool within_budget(const nlohmann::json &arg, const budget &b = {});
 
} // namespace cmath_lowering_policy