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#pragma once
class CrawlVector;
namespace rng
{
class PcgRNG
{
public:
PcgRNG();
PcgRNG(uint64_t init_state, uint64_t sequence);
PcgRNG(uint64_t init_state);
PcgRNG(const CrawlVector &v);
CrawlVector to_vector();
uint32_t get_uint32();
uint32_t get_bounded_uint32(uint32_t bound);
uint64_t get_uint64();
uint32_t operator()() { return get_uint32(); }
uint32_t operator()(uint32_t bound) { return get_bounded_uint32(bound); }
typedef uint32_t result_type;
static constexpr uint32_t min() { return 0; }
static constexpr uint32_t max() { return 0xffffffffU; }
uint64_t get_state() { return state_; };
uint64_t get_inc() { return inc_; };
uint64_t get_count() { return count_; };
private:
uint64_t state_;
uint64_t inc_;
uint64_t count_;
};
}
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