// Copyright 2019-2020 CERN and copyright holders of ALICE O2.

// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.

// All rights not expressly granted are reserved.

//

// This software is distributed under the terms of the GNU General Public

// License v3 (GPL Version 3), copied verbatim in the file "COPYING".

//

// In applying this license CERN does not waive the privileges and immunities

// granted to it by virtue of its status as an Intergovernmental Organization

// or submit itself to any jurisdiction.

/// \file GPUTriggerOutputs.h

/// \author David Rohr

#ifndef GPUTRIGGEROUTPUTS_H

#define GPUTRIGGEROUTPUTS_H

#include "GPUCommonDef.h"

#include "DataFormatsTPC/ZeroSuppression.h"

#include <unordered_set>

#include <array>

namespace o2::gpu

{

struct GPUTriggerOutputs {

struct hasher {

size_t operator()(const o2::tpc::TriggerInfoDLBZS& key) const

{

std::array<uint32_t, sizeof(key) / sizeof(uint32_t)> tmp;

memcpy((void*)tmp.data(), (const void*)&key, sizeof(key));

std::hash<uint32_t> std_hasher;

size_t result = 0;

for (size_t i = 0; i < tmp.size(); ++i) {

result ^= std_hasher(tmp[i]);

}

return result;

}

};

struct equal {

bool operator()(const o2::tpc::TriggerInfoDLBZS& lhs, const o2::tpc::TriggerInfoDLBZS& rhs) const

{

return memcmp((const void*)&lhs, (const void*)&rhs, sizeof(lhs)) == 0;

}

};

std::unordered_set<o2::tpc::TriggerInfoDLBZS, hasher, equal> triggers;

static_assert(sizeof(o2::tpc::TriggerInfoDLBZS) % sizeof(uint32_t) == 0);

};

} // namespace o2::gpu

#endif