OwnershipState.h

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#pragma once
 
#include <bitset>
#include <iostream>
 
namespace autopas {
enum class OwnershipState : int64_t {
  dummy = 0b0000,  // 0
  owned = 0b0001,  // 1
  halo = 0b0010,  // 2
};
 
constexpr OwnershipState operator&(const OwnershipState a, const OwnershipState b) {
  return static_cast<OwnershipState>(static_cast<int64_t>(a) & static_cast<int64_t>(b));
}
 
constexpr OwnershipState operator|(const OwnershipState a, const OwnershipState b) {
  return static_cast<OwnershipState>(static_cast<int64_t>(a) | static_cast<int64_t>(b));
}
 
constexpr int64_t toInt64(const OwnershipState a) { return static_cast<int64_t>(a); }
 
[[maybe_unused]] static std::ostream &operator<<(std::ostream &os, const OwnershipState &ownershipState) {
  switch (ownershipState) {
    case OwnershipState::dummy:
      os << "dummy";
      break;
    case OwnershipState::owned:
      os << "owned";
      break;
    case OwnershipState::halo:
      os << "halo";
      break;
    default:
      os << "unknown state: 0b" << std::bitset<4>(static_cast<int64_t>(ownershipState));
      break;
  }
  return os;
}
}  // namespace autopas