#pragma once

#include "common.h"

namespace rng
{
	template<typename T>
	struct seed_gen
	{
		virtual T generate_seed() = 0;

		inline virtual ~seed_gen(){}
	};

	namespace seed
	{
		typedef u64 sm128r[2];
		struct sm128 {
			sm128r m_raw;
		};

		struct splitmix64 : public virtual seed_gen<sm128>
		{
			splitmix64(u64 i);

			sm128 generate_seed() override;
		private:
			sm128r m_state;
		};
	}
}