merge_scoring_function_single_random.h

#ifndef MERGE_AND_SHRINK_MERGE_SCORING_FUNCTION_SINGLE_RANDOM_H
#define MERGE_AND_SHRINK_MERGE_SCORING_FUNCTION_SINGLE_RANDOM_H
 
#include "downward/merge_and_shrink/merge_scoring_function.h"
 
#include <memory>
 
namespace utils {
class RandomNumberGenerator;
}
 
namespace merge_and_shrink {
class MergeScoringFunctionSingleRandom : public MergeScoringFunction {
    int random_seed; // only for dump options
    std::shared_ptr<utils::RandomNumberGenerator> rng;
 
    virtual std::string name() const override;
    virtual void
    dump_function_specific_options(utils::LogProxy& log) const override;
 
public:
    explicit MergeScoringFunctionSingleRandom(int random_seed);
    virtual std::vector<double> compute_scores(
        const FactoredTransitionSystem& fts,
        const std::vector<std::pair<int, int>>& merge_candidates) override;
 
    virtual bool requires_init_distances() const override { return false; }
 
    virtual bool requires_goal_distances() const override { return false; }
};
} // namespace merge_and_shrink
 
#endif