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SimplePixelTopology.h
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#ifndef Geometry_CommonTopologies_SimplePixelTopology_h
#define Geometry_CommonTopologies_SimplePixelTopology_h
#include <array>
#include <cstdint>
#include <type_traits>
#include "FWCore/Utilities/interface/HostDeviceConstant.h"
namespace pixelTopology {
constexpr auto maxNumberOfLadders = 160;
constexpr uint32_t maxLayers = 28;
template <typename TrackerTraits>
struct AverageGeometryT {
//
float ladderZ[TrackerTraits::numberOfLaddersInBarrel];
float ladderX[TrackerTraits::numberOfLaddersInBarrel];
float ladderY[TrackerTraits::numberOfLaddersInBarrel];
float ladderR[TrackerTraits::numberOfLaddersInBarrel];
float ladderMinZ[TrackerTraits::numberOfLaddersInBarrel];
float ladderMaxZ[TrackerTraits::numberOfLaddersInBarrel];
float endCapZ[2]; // just for pos and neg Layer1
};
constexpr int16_t phi0p05 = 522; // round(521.52189...) = phi2short(0.05);
constexpr int16_t phi0p06 = 626; // round(625.82270...) = phi2short(0.06);
constexpr int16_t phi0p07 = 730; // round(730.12648...) = phi2short(0.07);
constexpr int16_t phi0p09 = 900;
constexpr uint16_t last_barrel_layer = 3; // this is common between all the topologies
template <class Function, std::size_t... Indices>
constexpr auto map_to_array_helper(Function f, std::index_sequence<Indices...>)
-> std::array<std::invoke_result_t<Function, std::size_t>, sizeof...(Indices)> {
return {{f(Indices)...}};
}
template <int N, class Function>
constexpr auto map_to_array(Function f) -> std::array<std::invoke_result_t<Function, std::size_t>, N> {
return map_to_array_helper(f, std::make_index_sequence<N>{});
}
template <typename TrackerTraits>
constexpr uint16_t findMaxModuleStride() {
bool go = true;
int n = 2;
while (go) {
for (uint8_t i = 1; i < TrackerTraits::numberOfLayers + 1; ++i) {
if (TrackerTraits::layerStart[i] % n != 0) {
go = false;
break;
}
}
if (!go)
break;
n *= 2;
}
return n / 2;
}
template <typename TrackerTraits>
constexpr uint16_t maxModuleStride = findMaxModuleStride<TrackerTraits>();
template <typename TrackerTraits>
constexpr uint8_t findLayer(uint32_t detId, uint8_t sl = 0) {
for (uint8_t i = sl; i < TrackerTraits::numberOfLayers + 1; ++i)
if (detId < TrackerTraits::layerStart[i + 1])
return i;
return TrackerTraits::numberOfLayers + 1;
}
template <typename TrackerTraits>
constexpr uint8_t findLayerFromCompact(uint32_t detId) {
detId *= maxModuleStride<TrackerTraits>;
for (uint8_t i = 0; i < TrackerTraits::numberOfLayers + 1; ++i)
if (detId < TrackerTraits::layerStart[i + 1])
return i;
return TrackerTraits::numberOfLayers + 1;
}
template <typename TrackerTraits>
constexpr uint32_t layerIndexSize = TrackerTraits::numberOfModules / maxModuleStride<TrackerTraits>;
template <typename TrackerTraits>
#ifdef __CUDA_ARCH__
__device__
#endif
constexpr std::array<uint8_t, layerIndexSize<TrackerTraits>>
layer = map_to_array<layerIndexSize<TrackerTraits>>(findLayerFromCompact<TrackerTraits>);
template <typename TrackerTraits>
constexpr uint8_t getLayer(uint32_t detId) {
return layer<TrackerTraits>[detId / maxModuleStride<TrackerTraits>];
}
template <typename TrackerTraits>
constexpr bool validateLayerIndex() {
bool res = true;
for (auto i = 0U; i < TrackerTraits::numberOfModules; ++i) {
auto j = i / maxModuleStride<TrackerTraits>;
res &= (layer<TrackerTraits>[j] < TrackerTraits::numberOfLayers);
res &= (i >= TrackerTraits::layerStart[layer<TrackerTraits>[j]]);
res &= (i < TrackerTraits::layerStart[layer<TrackerTraits>[j] + 1]);
}
return res;
}
template <typename TrackerTraits>
#ifdef __CUDA_ARCH__
__device__
#endif
constexpr inline uint32_t
layerStart(uint32_t i) {
return TrackerTraits::layerStart[i];
}
constexpr inline uint16_t divu52(uint16_t n) {
n = n >> 2;
uint16_t q = (n >> 1) + (n >> 4);
q = q + (q >> 4) + (q >> 5);
q = q >> 3;
uint16_t r = n - q * 13;
return q + ((r + 3) >> 4);
}
} // namespace pixelTopology
namespace phase1PixelTopology {
using pixelTopology::phi0p05;
using pixelTopology::phi0p06;
using pixelTopology::phi0p07;
constexpr uint32_t numberOfLayers = 28;
constexpr int nPairs = 13 + 2 + 4;
constexpr uint16_t numberOfModules = 1856;
constexpr uint32_t maxNumClustersPerModules = 1024;
constexpr uint32_t max_ladder_bpx0 = 12;
constexpr uint32_t first_ladder_bpx0 = 0;
constexpr float module_length_bpx0 = 6.7f;
constexpr float module_tolerance_bpx0 = 0.4f; // projection to cylinder is inaccurate on BPIX1
constexpr uint32_t max_ladder_bpx4 = 64;
constexpr uint32_t first_ladder_bpx4 = 84;
constexpr float radius_even_ladder = 15.815f;
constexpr float radius_odd_ladder = 16.146f;
constexpr float module_length_bpx4 = 6.7f;
constexpr float module_tolerance_bpx4 = 0.2f;
constexpr float barrel_z_length = 26.f;
constexpr float forward_z_begin = 32.f;
HOST_DEVICE_CONSTANT uint8_t layerPairs[2 * nPairs] = {
0, 1, 0, 4, 0, 7, // BPIX1 (3)
1, 2, 1, 4, 1, 7, // BPIX2 (6)
4, 5, 7, 8, // FPIX1 (8)
2, 3, 2, 4, 2, 7, 5, 6, 8, 9, // BPIX3 & FPIX2 (13)
0, 2, 1, 3, // Jumping Barrel (15)
0, 5, 0, 8, // Jumping Forward (BPIX1,FPIX2)
4, 6, 7, 9 // Jumping Forward (19)
};
HOST_DEVICE_CONSTANT int16_t phicuts[nPairs]{phi0p05,
phi0p07,
phi0p07,
phi0p05,
phi0p06,
phi0p06,
phi0p05,
phi0p05,
phi0p06,
phi0p06,
phi0p06,
phi0p05,
phi0p05,
phi0p05,
phi0p05,
phi0p05,
phi0p05,
phi0p05,
phi0p05};
HOST_DEVICE_CONSTANT float minz[nPairs] = {
-20., 0., -30., -22., 10., -30., -70., -70., -22., 15., -30, -70., -70., -20., -22., 0, -30., -70., -70.};
HOST_DEVICE_CONSTANT float maxz[nPairs] = {
20., 30., 0., 22., 30., -10., 70., 70., 22., 30., -15., 70., 70., 20., 22., 30., 0., 70., 70.};
HOST_DEVICE_CONSTANT float maxr[nPairs] = {
20., 9., 9., 20., 7., 7., 5., 5., 20., 6., 6., 5., 5., 20., 20., 9., 9., 9., 9.};
static constexpr uint32_t layerStart[numberOfLayers + 1] = {0,
96,
320,
672, // barrel
1184,
1296,
1408, // positive endcap
1520,
1632,
1744, // negative endcap
numberOfModules};
} // namespace phase1PixelTopology
namespace phase2PixelTopology {
using pixelTopology::phi0p05;
using pixelTopology::phi0p06;
using pixelTopology::phi0p07;
using pixelTopology::phi0p09;
constexpr uint32_t numberOfLayers = 28;
constexpr int nPairs = 23 + 6 + 14 + 8 + 4; // include far forward layer pairs
constexpr uint16_t numberOfModules = 3892;
constexpr uint32_t maxNumClustersPerModules = 1024;
HOST_DEVICE_CONSTANT uint8_t layerPairs[2 * nPairs] = {
0, 1, 0, 4, 0, 16, // BPIX1 (3)
1, 2, 1, 4, 1, 16, // BPIX2 (6)
2, 3, 2, 4, 2, 16, // BPIX3 & Forward (9)
4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, // POS (16)
16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, // NEG (23)
0, 2, 0, 5, 0, 17, 0, 6, 0, 18, // BPIX1 Jump (28)
1, 3, 1, 5, 1, 17, 1, 6, 1, 18, // BPIX2 Jump (33)
11, 12, 12, 13, 13, 14, 14, 15, // Late POS (37)
23, 24, 24, 25, 25, 26, 26, 27, // Late NEG (41)
4, 6, 5, 7, 6, 8, 7, 9, 8, 10, 9, 11, 10, 12, // POS Jump (48)
16, 18, 17, 19, 18, 20, 19, 21, 20, 22, 21, 23, 22, 24, // NEG Jump (55)
};
HOST_DEVICE_CONSTANT uint32_t layerStart[numberOfLayers + 1] = {0,
108,
324,
504, // Barrel
756,
864,
972,
1080,
1188,
1296,
1404,
1512,
1620,
1796,
1972,
2148, // Fp
2324,
2432,
2540,
2648,
2756,
2864,
2972,
3080,
3188,
3364,
3540,
3716, // Np
numberOfModules};
HOST_DEVICE_CONSTANT int16_t phicuts[nPairs]{
phi0p05, phi0p05, phi0p05, phi0p06, phi0p07, phi0p07, phi0p06, phi0p07, phi0p07, phi0p05, phi0p05,
phi0p05, phi0p05, phi0p05, phi0p05, phi0p05, phi0p05, phi0p05, phi0p05, phi0p05, phi0p05, phi0p05,
phi0p05, phi0p05, phi0p05, phi0p05, phi0p05, phi0p05, phi0p05, phi0p07, phi0p07, phi0p07, phi0p07,
phi0p07, phi0p07, phi0p07, phi0p07, phi0p07, phi0p07, phi0p07, phi0p07, phi0p07, phi0p07, phi0p07,
phi0p07, phi0p07, phi0p07, phi0p05, phi0p05, phi0p05, phi0p05, phi0p05, phi0p05, phi0p05, phi0p05};
HOST_DEVICE_CONSTANT float minz[nPairs] = {
-16.0, 4.0, -22.0, -17.0, 6.0, -22.0, -18.0, 11.0, -22.0, 23.0, 30.0, 39.0, 50.0, 65.0,
82.0, 109.0, -28.0, -35.0, -44.0, -55.0, -70.0, -87.0, -113.0, -16., 7.0, -22.0, 11.0, -22.0,
-17.0, 9.0, -22.0, 13.0, -22.0, 137.0, 173.0, 199.0, 229.0, -142.0, -177.0, -203.0, -233.0, 23.0,
30.0, 39.0, 50.0, 65.0, 82.0, 109.0, -28.0, -35.0, -44.0, -55.0, -70.0, -87.0, -113.0};
HOST_DEVICE_CONSTANT float maxz[nPairs] = {
17.0, 22.0, -4.0, 17.0, 22.0, -6.0, 18.0, 22.0, -11.0, 28.0, 35.0, 44.0, 55.0, 70.0,
87.0, 113.0, -23.0, -30.0, -39.0, -50.0, -65.0, -82.0, -109.0, 17.0, 22.0, -7.0, 22.0, -10.0,
17.0, 22.0, -9.0, 22.0, -13.0, 142.0, 177.0, 203.0, 233.0, -137.0, -173.0, -199.0, -229.0, 28.0,
35.0, 44.0, 55.0, 70.0, 87.0, 113.0, -23.0, -30.0, -39.0, -50.0, -65.0, -82.0, -109.0};
HOST_DEVICE_CONSTANT float maxr[nPairs] = {5.0, 5.0, 5.0, 7.0, 8.0, 8.0, 7.0, 7.0, 7.0, 6.0, 6.0, 6.0, 6.0, 5.0,
6.0, 5.0, 6.0, 6.0, 6.0, 6.0, 5.0, 6.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0,
5.0, 8.0, 8.0, 8.0, 8.0, 6.0, 5.0, 5.0, 5.0, 6.0, 5.0, 5.0, 5.0, 9.0,
9.0, 9.0, 8.0, 8.0, 8.0, 11.0, 9.0, 9.0, 9.0, 8.0, 8.0, 8.0, 11.0};
} // namespace phase2PixelTopology
namespace phase1HIonPixelTopology {
// Storing here the needed constants different w.r.t. pp Phase1 topology.
// All the other defined by inheritance in the HIon topology struct.
using pixelTopology::phi0p09;
constexpr uint32_t maxNumClustersPerModules = 2048;
HOST_DEVICE_CONSTANT int16_t phicuts[phase1PixelTopology::nPairs]{phi0p09,
phi0p09,
phi0p09,
phi0p09,
phi0p09,
phi0p09,
phi0p09,
phi0p09,
phi0p09,
phi0p09,
phi0p09,
phi0p09,
phi0p09,
phi0p09,
phi0p09,
phi0p09,
phi0p09,
phi0p09,
phi0p09};
} // namespace phase1HIonPixelTopology
namespace pixelTopology {
struct Phase2 {
// types
using hindex_type = uint32_t; // FIXME from siPixelRecHitsHeterogeneousProduct
using tindex_type = uint32_t; // for tuples
using cindex_type = uint32_t; // for cells
static constexpr uint32_t maxNumberOfHits = 256 * 1024;
static constexpr uint32_t maxCellNeighbors = 64;
static constexpr uint32_t maxCellTracks = 302;
static constexpr uint32_t maxHitsOnTrack = 15;
static constexpr uint32_t maxHitsOnTrackForFullFit = 6;
static constexpr uint32_t avgHitsPerTrack = 7;
static constexpr uint32_t maxCellsPerHit = 256;
static constexpr uint32_t avgTracksPerHit = 10;
static constexpr uint32_t maxNumberOfTuples = 256 * 1024;
// this is well above thanks to maxNumberOfTuples
static constexpr uint32_t maxHitsForContainers = avgHitsPerTrack * maxNumberOfTuples;
static constexpr uint32_t maxNumberOfDoublets = 5 * 512 * 1024;
static constexpr uint32_t maxNumOfActiveDoublets = maxNumberOfDoublets / 8;
static constexpr uint32_t maxNumberOfQuadruplets = maxNumberOfTuples;
static constexpr uint32_t maxDepth = 12;
static constexpr uint32_t numberOfLayers = 28;
static constexpr uint32_t maxSizeCluster = 2047;
static constexpr uint32_t getDoubletsFromHistoMaxBlockSize = 64; // for both x and y
static constexpr uint32_t getDoubletsFromHistoMinBlocksPerMP = 16;
static constexpr uint16_t last_bpix1_detIndex = 108;
static constexpr uint16_t last_bpix2_detIndex = 324;
static constexpr uint16_t last_barrel_detIndex = 504;
static constexpr uint32_t maxPixInModule = 6000;
static constexpr uint32_t maxNumClustersPerModules = phase2PixelTopology::maxNumClustersPerModules;
static constexpr uint32_t maxHitsInModule = phase2PixelTopology::maxNumClustersPerModules;
static constexpr float moduleLength = 4.345f;
static constexpr float endcapCorrection = 0.0f;
static constexpr float xerr_barrel_l1_def = 0.00035f;
static constexpr float yerr_barrel_l1_def = 0.00125f;
static constexpr float xerr_barrel_ln_def = 0.00035f;
static constexpr float yerr_barrel_ln_def = 0.00125f;
static constexpr float xerr_endcap_def = 0.00060f;
static constexpr float yerr_endcap_def = 0.00180f;
static constexpr float bigPixXCorrection = 0.0f;
static constexpr float bigPixYCorrection = 0.0f;
static constexpr float dzdrFact = 8 * 0.0285 / 0.015; // from dz/dr to "DY"
static constexpr int minYsizeB1 = 25;
static constexpr int minYsizeB2 = 15;
static constexpr int nPairsMinimal = 33;
static constexpr int nPairsFarForwards = nPairsMinimal + 8; // include barrel "jumping" layer pairs
static constexpr int nPairs = phase2PixelTopology::nPairs; // include far forward layer pairs
static constexpr int maxDYsize12 = 12;
static constexpr int maxDYsize = 10;
static constexpr int maxDYPred = 20;
static constexpr uint16_t numberOfModules = 3892;
// 1024 bins, 10 bits
static constexpr uint16_t clusterBinning = 1024;
static constexpr uint16_t clusterBits = 10;
static constexpr uint16_t numberOfModulesInBarrel = 756;
static constexpr uint16_t numberOfModulesInLadder = 9;
static constexpr uint16_t numberOfLaddersInBarrel = numberOfModulesInBarrel / numberOfModulesInLadder;
static constexpr uint16_t firstEndcapPos = 4;
static constexpr uint16_t firstEndcapNeg = 16;
static constexpr int16_t xOffset = -1e4; // not used actually, to suppress static analyzer warnings
static constexpr char const *nameModifier = "Phase2";
static constexpr uint32_t const *layerStart = phase2PixelTopology::layerStart;
static constexpr float const *minz = phase2PixelTopology::minz;
static constexpr float const *maxz = phase2PixelTopology::maxz;
static constexpr float const *maxr = phase2PixelTopology::maxr;
static constexpr uint8_t const *layerPairs = phase2PixelTopology::layerPairs;
static constexpr int16_t const *phicuts = phase2PixelTopology::phicuts;
static constexpr inline bool isBigPixX(uint16_t px) { return false; }
static constexpr inline bool isBigPixY(uint16_t py) { return false; }
static constexpr inline uint16_t localX(uint16_t px) { return px; }
static constexpr inline uint16_t localY(uint16_t py) { return py; }
};
struct Phase1 {
// types
using hindex_type = uint32_t; // FIXME from siPixelRecHitsHeterogeneousProduct
using tindex_type = uint16_t; // for tuples
using cindex_type = uint32_t; // for cells
static constexpr uint32_t maxNumberOfHits = 48 * 1024;
static constexpr uint32_t maxCellNeighbors = 36;
static constexpr uint32_t maxCellTracks = 48;
static constexpr uint32_t maxHitsOnTrack = 10;
static constexpr uint32_t maxHitsOnTrackForFullFit = 6;
static constexpr uint32_t avgHitsPerTrack = 5;
static constexpr uint32_t maxCellsPerHit = 256;
static constexpr uint32_t avgTracksPerHit = 6;
static constexpr uint32_t maxNumberOfTuples = 32 * 1024;
static constexpr uint32_t maxHitsForContainers = avgHitsPerTrack * maxNumberOfTuples;
static constexpr uint32_t maxNumberOfDoublets = 512 * 1024;
static constexpr uint32_t maxNumOfActiveDoublets = maxNumberOfDoublets / 8;
static constexpr uint32_t maxNumberOfQuadruplets = maxNumberOfTuples;
static constexpr uint32_t maxDepth = 6;
static constexpr uint32_t numberOfLayers = 10;
static constexpr uint32_t maxSizeCluster = 1023;
static constexpr uint32_t getDoubletsFromHistoMaxBlockSize = 64; // for both x and y
static constexpr uint32_t getDoubletsFromHistoMinBlocksPerMP = 16;
static constexpr uint16_t last_bpix1_detIndex = 96;
static constexpr uint16_t last_bpix2_detIndex = 320;
static constexpr uint16_t last_barrel_detIndex = 1184;
static constexpr uint32_t maxPixInModule = 6000;
static constexpr uint32_t maxNumClustersPerModules = phase1PixelTopology::maxNumClustersPerModules;
static constexpr uint32_t maxHitsInModule = phase1PixelTopology::maxNumClustersPerModules;
static constexpr float moduleLength = 6.7f;
static constexpr float endcapCorrection = 1.5f;
static constexpr float xerr_barrel_l1_def = 0.00200f;
static constexpr float yerr_barrel_l1_def = 0.00210f;
static constexpr float xerr_barrel_ln_def = 0.00200f;
static constexpr float yerr_barrel_ln_def = 0.00210f;
static constexpr float xerr_endcap_def = 0.0020f;
static constexpr float yerr_endcap_def = 0.00210f;
static constexpr float bigPixXCorrection = 1.0f;
static constexpr float bigPixYCorrection = 8.0f;
static constexpr float dzdrFact = 8 * 0.0285 / 0.015; // from dz/dr to "DY"
static constexpr int minYsizeB1 = 36;
static constexpr int minYsizeB2 = 28;
static constexpr int nPairsForQuadruplets = 13; // quadruplets require hits in all layers
static constexpr int nPairsForTriplets = nPairsForQuadruplets + 2; // include barrel "jumping" layer pairs
static constexpr int nPairs = nPairsForTriplets + 4; // include forward "jumping" layer pairs
static constexpr int maxDYsize12 = 28;
static constexpr int maxDYsize = 20;
static constexpr int maxDYPred = 20;
static constexpr uint16_t numberOfModules = 1856;
static constexpr uint16_t numRowsInRoc = 80;
static constexpr uint16_t numColsInRoc = 52;
static constexpr uint16_t lastRowInRoc = numRowsInRoc - 1;
static constexpr uint16_t lastColInRoc = numColsInRoc - 1;
static constexpr uint16_t numRowsInModule = 2 * numRowsInRoc;
static constexpr uint16_t numColsInModule = 8 * numColsInRoc;
static constexpr uint16_t lastRowInModule = numRowsInModule - 1;
static constexpr uint16_t lastColInModule = numColsInModule - 1;
// 418 bins < 512, 9 bits are enough
static constexpr uint16_t clusterBinning = numColsInModule + 2;
static constexpr uint16_t clusterBits = 9;
static constexpr uint16_t numberOfModulesInBarrel = 1184;
static constexpr uint16_t numberOfModulesInLadder = 8;
static constexpr uint16_t numberOfLaddersInBarrel = numberOfModulesInBarrel / numberOfModulesInLadder;
static constexpr uint16_t firstEndcapPos = 4;
static constexpr uint16_t firstEndcapNeg = 7;
static constexpr int16_t xOffset = -81;
static constexpr char const *nameModifier = "";
static constexpr uint32_t const *layerStart = phase1PixelTopology::layerStart;
static constexpr float const *minz = phase1PixelTopology::minz;
static constexpr float const *maxz = phase1PixelTopology::maxz;
static constexpr float const *maxr = phase1PixelTopology::maxr;
static constexpr uint8_t const *layerPairs = phase1PixelTopology::layerPairs;
static constexpr int16_t const *phicuts = phase1PixelTopology::phicuts;
static constexpr inline bool isEdgeX(uint16_t px) { return (px == 0) | (px == lastRowInModule); }
static constexpr inline bool isEdgeY(uint16_t py) { return (py == 0) | (py == lastColInModule); }
static constexpr inline uint16_t toRocX(uint16_t px) { return (px < numRowsInRoc) ? px : px - numRowsInRoc; }
static constexpr inline uint16_t toRocY(uint16_t py) {
auto roc = divu52(py);
return py - 52 * roc;
}
static constexpr inline bool isBigPixX(uint16_t px) { return (px == 79) | (px == 80); }
static constexpr inline bool isBigPixY(uint16_t py) {
auto ly = toRocY(py);
return (ly == 0) | (ly == lastColInRoc);
}
static constexpr inline uint16_t localX(uint16_t px) {
auto shift = 0;
if (px > lastRowInRoc)
shift += 1;
if (px > numRowsInRoc)
shift += 1;
return px + shift;
}
static constexpr inline uint16_t localY(uint16_t py) {
auto roc = divu52(py);
auto shift = 2 * roc;
auto yInRoc = py - 52 * roc;
if (yInRoc > 0)
shift += 1;
return py + shift;
}
};
struct HIonPhase1 : public Phase1 {
// Storing here the needed constants different w.r.t. pp Phase1 topology.
// All the other defined by inheritance in the HIon topology struct.
using tindex_type = uint32_t; // for tuples
static constexpr uint32_t maxCellNeighbors = 90;
static constexpr uint32_t maxCellTracks = 90;
static constexpr uint32_t maxNumberOfTuples = 256 * 1024;
static constexpr uint32_t maxNumberOfDoublets = 6 * 512 * 1024;
static constexpr uint32_t maxHitsForContainers = avgHitsPerTrack * maxNumberOfTuples;
static constexpr uint32_t maxNumberOfQuadruplets = maxNumberOfTuples;
static constexpr uint32_t maxPixInModule = 10000;
static constexpr uint32_t maxNumOfActiveDoublets =
maxNumberOfDoublets / 4; // TODO need to think a better way to avoid this duplication
static constexpr uint32_t maxCellsPerHit = 256;
static constexpr uint32_t maxNumClustersPerModules = phase1HIonPixelTopology::maxNumClustersPerModules;
static constexpr uint32_t maxHitsInModule = phase1HIonPixelTopology::maxNumClustersPerModules;
static constexpr char const *nameModifier = "HIonPhase1";
};
template <typename T>
using isPhase1Topology = typename std::enable_if<std::is_base_of<Phase1, T>::value>::type;
template <typename T>
using isPhase2Topology = typename std::enable_if<std::is_base_of<Phase2, T>::value>::type;
} // namespace pixelTopology
#endif // Geometry_CommonTopologies_SimplePixelTopology_h