Gabriele Cosmo
134 lines
4.9 KiB
C++
134 lines
4.9 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// Qss_misc
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//
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// Auxiliary namespace for QSS data.
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//
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// Authors: Lucio Santi, Rodrigo Castro (Univ. Buenos Aires), 2018-2021
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// --------------------------------------------------------------------
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#ifndef _QSS_MISC_H_
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#define _QSS_MISC_H_ 1
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#include "G4Types.hh"
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using QSS_simulator = struct QSS_simulator_*;
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using QSSSubstep = struct QSSSubstep_*;
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/**
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* @brief Qss_misc defines an auxiliary namespace for QSS drivers data.
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*/
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namespace Qss_misc
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{
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// Convention of Geant4 notation of indices
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constexpr unsigned int PXidx= 0;
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constexpr unsigned int PYidx= 1;
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constexpr unsigned int PZidx= 2;
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constexpr unsigned int VXidx= 3;
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constexpr unsigned int VYidx= 4;
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constexpr unsigned int VZidx= 5;
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// Method parameters & constants
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constexpr unsigned int MAX_QSS_STEPPER_ORDER= 3;
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constexpr unsigned int VAR_IDX_END= 6;
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constexpr unsigned int MIN_SUBSTEPS= 20;
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constexpr G4double INF= 1.0e20;
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}
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#if defined(WIN32) || defined(__MINGW32__)
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#define unlikely(x) (x) // Until C++20 can be assumed
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#define likely(x) (x) // >> ditto >>
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#else
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#define unlikely(x) __builtin_expect((x),0) // gcc/clang extension - not portable
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#define likely(x) __builtin_expect((x),1)
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#endif
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// #define likely(x) (x) // [[likely]] // The C++20 portable way
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// #define likely(x) (x) // [[unlikely]] // >> >>
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// This syntax appears to be part of C++20
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// See
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// - https://en.cppreference.com/w/cpp/language/attributes/likely
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// - https://stackoverflow.com/questions/51797959/how-to-use-c20s-likely-unlikely-attribute-in-if-else-statement
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// - https://usingstdcpp.org/2018/03/18/jacksonville18-iso-cpp-report/
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#define SUBSTEP_STRUCT(sim, i) (sim->substeps[i])
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#define SUBSTEP_START(sim, i) (sim->substeps[(i)].start_time)
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#define SUBSTEP_X(sim, i) (sim->substeps[(i)].x)
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#define SUBSTEP_TX(sim, i) (sim->substeps[(i)].tx)
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#define SUBSTEP_LEN(sim, i) (sim->substeps[(i)].len)
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#define LAST_SUBSTEP_STRUCT(sim) (SUBSTEP_STRUCT(sim, sim->cur_substep_idx-1))
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#define CUR_SUBSTEP_START(sim) (SUBSTEP_START(sim, sim->cur_substep_idx))
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#define CUR_SUBSTEP_X(sim) (SUBSTEP_X(sim, sim->cur_substep_idx))
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#define CUR_SUBSTEP_TX(sim) (SUBSTEP_TX(sim, sim->cur_substep_idx))
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#define CUR_SUBSTEP_LEN(sim) (SUBSTEP_LEN(sim, sim->cur_substep_idx))
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#define CUR_SUBSTEP(sim) (sim->cur_substep_idx)
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#define LAST_SUBSTEP(sim) (sim->cur_substep_idx-1)
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#define MAX_SUBSTEP(sim) (sim->max_substep_idx)
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#define SUBSTEPS(sim) (sim->substeps)
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struct QSSSubstep_
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{
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G4double x[Qss_misc::VAR_IDX_END*(Qss_misc::MAX_QSS_STEPPER_ORDER+1)];
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G4double tx[Qss_misc::VAR_IDX_END];
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G4double start_time;
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G4double len;
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};
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struct QSS_simulator_
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{
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G4double x[Qss_misc::VAR_IDX_END*(Qss_misc::MAX_QSS_STEPPER_ORDER+1)];
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G4double tx[Qss_misc::VAR_IDX_END];
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G4double q[Qss_misc::VAR_IDX_END*(Qss_misc::MAX_QSS_STEPPER_ORDER+1)];
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G4double tq[Qss_misc::VAR_IDX_END];
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G4double nextStateTime[Qss_misc::VAR_IDX_END];
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G4double time;
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G4int minIndex;
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G4double dQMin[Qss_misc::VAR_IDX_END];
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G4double dQRel[Qss_misc::VAR_IDX_END];
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G4double lqu[Qss_misc::VAR_IDX_END];
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G4double alg[Qss_misc::VAR_IDX_END];
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G4double it;
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G4int *SD[Qss_misc::VAR_IDX_END];
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G4int states;
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QSSSubstep substeps;
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G4int cur_substep_idx;
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G4int max_substep_idx;
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};
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#endif
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