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Gabriele Cosmo
2021-06-25 16:12:29 +02:00
parent c968e26a39
commit 6399a014b6
4200 changed files with 207479 additions and 237366 deletions
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source/run/include/G4RNGHelper.hh
+81 -78
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@@ -23,113 +23,116 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// G4TemplateRNGHelper
//
// Class description:
//
// Helper class for RNG Engine seeds.
// Used in MT builds to guarantee reproducibility.
// The function of this class is to return a RNG Engine seed
// given its index. It is a simple templated container that
// Allows to add seeds (AddOneSeed) and retrieve a seed (GetSeed)
// by index.
// Used in MT builds to guarantee event reproducibility.
// The function of this class is to return a RNG Engine seed given its index.
// It is a simple templated container that allows to add seeds (AddOneSeed)
// and retrieve a seed (GetSeed) by index.
//
// The normal use is with G4RNGHelper where each element of th econtainer
// The normal use is with G4RNGHelper where each element of the container
// represents a seed. To enforce strong-reproducibility the variant with
// the RNG Engine status file names is avilable
// the RNG Engine status file names is available.
#ifndef G4RNGHELPER_HH
#define G4RNGHELPER_HH
// Author: A.Dotti (SLAC), 5 July 2013
// --------------------------------------------------------------------
#ifndef G4TemplateRNGHelper_hh
#define G4TemplateRNGHelper_hh 1
#include "globals.hh"
#include <queue>
#include <vector>
#include "globals.hh"
template <class T>
class G4TemplateRNGHelper
{
public:
// The container is modeled as a (shared) singleton
static G4TemplateRNGHelper<T>* GetInstance();
static G4TemplateRNGHelper<T>* GetInstanceIfExist();
typedef std::vector<T> SeedsQueue;
typedef typename SeedsQueue::size_type SeedsQueueSize_type;
public:
virtual ~G4TemplateRNGHelper();
// The container is modeled as a (shared) singleton
static G4TemplateRNGHelper<T>* GetInstance();
static G4TemplateRNGHelper<T>* GetInstanceIfExist();
using SeedsQueue = std::vector<T>;
using SeedsQueueSize_type = typename SeedsQueue::size_type;
// Returns seed given id
virtual const T GetSeed(const G4int& sdId)
{
G4int seedId = sdId - 2 * offset;
if(seedId < static_cast<G4int>(seeds.size()))
virtual ~G4TemplateRNGHelper();
// Returns seed given id
virtual const T GetSeed(const G4int& sdId)
{
T& seed = seeds[seedId];
return seed;
G4int seedId = sdId - 2 * offset;
if(seedId < static_cast<G4int>(seeds.size()))
{
T& seed = seeds[seedId];
return seed;
}
G4ExceptionDescription msg;
msg << "No seed number " << seedId << "(" << seeds.size() << " available)\n"
<< " Original seed number " << sdId << " filled so far " << offset;
G4Exception("G4RNGHelper::GetSeed", "Run0115", FatalException, msg);
return T();
}
G4ExceptionDescription msg;
msg << "No seed number " << seedId << "(" << seeds.size() << " available)\n"
<< " Original seed number " << sdId << " filled so far " << offset;
G4Exception("G4RNGHelper::GetSeed", "Run0115", FatalException, msg);
return T();
}
// Adds one seed to the collection
void AddOneSeed(const T& seed) { seeds.push_back(seed); }
// Adds one seed to the collection
void AddOneSeed(const T& seed) { seeds.push_back(seed); }
// Fills N primary seed pairs
void Fill(G4double* dbl, G4int nev, G4int nev_tot, G4int nrpe)
{
seeds.clear();
for(G4int i = 0; i < nrpe * nev; i++)
// Fills N primary seed pairs
void Fill(G4double* dbl, G4int nev, G4int nev_tot, G4int nrpe)
{
seeds.push_back((G4long)(100000000L * dbl[i]));
seeds.clear();
for(G4int i = 0; i < nrpe * nev; ++i)
{
seeds.push_back((G4long)(100000000L * dbl[i]));
}
offset = 0;
nev_filled = nev;
nev_total = nev_tot;
nRandParEvent = nrpe;
}
offset = 0;
nev_filled = nev;
nev_total = nev_tot;
nRandParEvent = nrpe;
}
void Refill(G4double* dbl, G4int nev)
{
if(nev == 0)
return;
seeds.clear();
for(G4int i = 0; i < nRandParEvent * nev; i++)
void Refill(G4double* dbl, G4int nev)
{
seeds.push_back((G4long)(100000000L * dbl[i]));
if(nev == 0)
return;
seeds.clear();
for(G4int i = 0; i < nRandParEvent * nev; ++i)
{
seeds.push_back((G4long)(100000000L * dbl[i]));
}
offset += nev_filled;
nev_filled = nev;
}
offset += nev_filled;
nev_filled = nev;
}
// Number of available seeds
const SeedsQueueSize_type GetNumberSeeds() const { return seeds.size(); }
// Number of available seeds
const SeedsQueueSize_type GetNumberSeeds() const { return seeds.size(); }
// Empty the seeds container
virtual void Clear() { seeds.clear(); }
// Empty the seeds container
virtual void Clear() { seeds.clear(); }
protected:
SeedsQueue seeds;
// Note: following numbers are number of events.
// seeds are generated for nRandParEvent times n_event
G4int offset;
G4int nev_filled;
G4int nev_total;
G4int nRandParEvent;
protected:
private:
G4TemplateRNGHelper()
{
offset = 0;
nev_filled = 0;
nev_total = 0;
nRandParEvent = 0;
}
SeedsQueue seeds;
// Note: following numbers are number of events.
// seeds are generated for nRandParEvent times n_event
G4int offset = 0;
G4int nev_filled = 0;
G4int nev_total = 0;
G4int nRandParEvent = 0;
private:
static G4TemplateRNGHelper<T>* instance;
private:
G4TemplateRNGHelper() {}
private:
static G4TemplateRNGHelper<T>* instance;
};
typedef G4TemplateRNGHelper<G4long> G4RNGHelper;
typedef G4TemplateRNGHelper<G4String> G4StringRNGHelper;
typedef std::queue<G4long> G4SeedsQueue;
using G4RNGHelper = G4TemplateRNGHelper<G4long>;
using G4StringRNGHelper = G4TemplateRNGHelper<G4String>;
using G4SeedsQueue = std::queue<G4long>;
#endif