CfConsts.h

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// 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.
 
 
#ifndef O2_GPU_CF_CONSTS_H
#define O2_GPU_CF_CONSTS_H
 
#include "clusterFinderDefs.h"
 
namespace o2::gpu::cfconsts
{
 
GPUconstexpr() tpccf::Delta2 InnerNeighbors[8] =
  {
    {-1, -1},
 
    {-1, 0},
 
    {-1, 1},
 
    {0, -1},
 
    {0, 1},
    {1, -1},
    {1, 0},
    {1, 1}};
 
GPUconstexpr() tpccf::Delta2 OuterNeighbors[16] =
  {
    {-2, -1},
    {-2, -2},
    {-1, -2},
 
    {-2, 0},
 
    {-2, 1},
    {-2, 2},
    {-1, 2},
 
    {0, -2},
 
    {0, 2},
 
    {2, -1},
    {2, -2},
    {1, -2},
 
    {2, 0},
 
    {2, 1},
    {2, 2},
    {1, 2}};
 
GPUconstexpr() uint8_t OuterToInner[16] =
  {
    0, 0, 0,
 
    1,
 
    2, 2, 2,
 
    3,
 
    4,
 
    5, 5, 5,
 
    6,
 
    7, 7, 7};
 
// outer to inner mapping change for the peak counting step,
// as the other position is the position of the peak
GPUconstexpr() uint8_t OuterToInnerInv[16] =
  {
    1,
    0,
    3,
    1,
    1,
    2,
    4,
    3,
    4,
    6,
    5,
    3,
    6,
    6,
    7,
    4};
 
#define NOISE_SUPPRESSION_NEIGHBOR_NUM 34
 
GPUconstexpr() tpccf::Delta2 NoiseSuppressionNeighbors[NOISE_SUPPRESSION_NEIGHBOR_NUM] =
  {
    {-2, -3},
    {-2, -2},
    {-2, -1},
    {-2, 0},
    {-2, 1},
    {-2, 2},
    {-2, 3},
 
    {-1, -3},
    {-1, -2},
    {-1, -1},
    {-1, 0},
    {-1, 1},
    {-1, 2},
    {-1, 3},
 
    {0, -3},
    {0, -2},
    {0, -1},
 
    {0, 1},
    {0, 2},
    {0, 3},
 
    {1, -3},
    {1, -2},
    {1, -1},
    {1, 0},
    {1, 1},
    {1, 2},
    {1, 3},
 
    {2, -3},
    {2, -2},
    {2, -1},
    {2, 0},
    {2, 1},
    {2, 2},
    {2, 3}};
 
GPUconstexpr() uint32_t NoiseSuppressionMinima[NOISE_SUPPRESSION_NEIGHBOR_NUM] =
  {
    (1 << 8) | (1 << 9),
    (1 << 9),
    (1 << 9),
    (1 << 10),
    (1 << 11),
    (1 << 11),
    (1 << 11) | (1 << 12),
    (1 << 8) | (1 << 9),
    (1 << 9),
    0,
    0,
    0,
    (1 << 11),
    (1 << 11) | (1 << 12),
    (1 << 15) | (1 << 16),
    (1 << 16),
    0,
    0,
    (1 << 17),
    (1 << 17) | (1 << 18),
    (1 << 21) | (1 << 22),
    (1 << 22),
    0,
    0,
    0,
    (1 << 24),
    (1 << 24) | (1 << 25),
    (1 << 21) | (1 << 22),
    (1 << 22),
    (1 << 22),
    (1 << 23),
    (1 << 24),
    (1 << 24),
    (1 << 24) | (1 << 25)};
 
} // namespace o2::gpu::cfconsts
 
#endif