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#include "MitAna/DataTree/interface/PixelHit.h" |
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ClassImp(mithep::PixelHit) |
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using namespace mithep; |
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// Initialize the packing format singleton |
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PixelHit::Packing PixelHit::fPacking; |
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//-------------------------------------------------------------------------------------------------- |
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PixelHit::Packing::Packing() |
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{ |
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// Constructor: pre-computes masks and shifts from field widths |
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fProbX_width = 11; |
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fProbY_width = 11; |
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fQBin_width = 3; |
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fEdge_width = 1; |
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fBad_width = 1; |
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fTwoROC_width = 1; |
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fHasFilledProb_width = 1; |
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fSpare_width = 3; |
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fProbX_units = 1.008; |
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fProbY_units = 1.008; |
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fProbX_1_over_log_units = 1.0 / TMath::Log(fProbX_units); |
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fProbY_1_over_log_units = 1.0 / TMath::Log(fProbY_units); |
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// Fields are counted from right to left! |
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fProbX_shift = 0; |
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fProbY_shift = fProbX_shift + fProbX_width; |
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fQBin_shift = fProbY_shift + fProbY_width; |
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fEdge_shift = fQBin_shift + fQBin_width; |
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fBad_shift = fEdge_shift + fEdge_width; |
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fTwoROC_shift = fBad_shift + fBad_width; |
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fHasFilledProb_shift = fTwoROC_shift + fTwoROC_width; |
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// Ensure the complement of the correct number of bits: |
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QualWordType zero32 = 0; // 32-bit wide set of 0's |
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fProbX_mask = ~(~zero32 << fProbX_width); |
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fProbY_mask = ~(~zero32 << fProbY_width); |
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fQBin_mask = ~(~zero32 << fQBin_width); |
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fEdge_mask = ~(~zero32 << fEdge_width); |
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fBad_mask = ~(~zero32 << fBad_width); |
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fTwoROC_mask = ~(~zero32 << fTwoROC_width); |
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fHasFilledProb_mask = ~(~zero32 << fHasFilledProb_width); |
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} |
