seed.h

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#ifndef FCL_MATH_DETAIL_SEED_H
#define FCL_MATH_DETAIL_SEED_H

#include <cstdint>

namespace fcl
{
namespace detail
{

class Seed
{
public:

  static bool isFirstSeedGenerated();

  static std::uint_fast32_t getUserSetSeed();

  static void setUserSetSeed(std::uint_fast32_t seed);

  static std::uint_fast32_t getFirstSeed();

  static std::uint_fast32_t getNextSeed();

protected:

  Seed();

  static Seed& getInstance();

  std::uint_fast32_t userSetSeed;

  bool firstSeedGenerated;

  std::uint_fast32_t firstSeedValue;
};

} // namespace detail
} // namespace fcl

#endif