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This commit is contained in:
Gabriele Cosmo
2017-12-08 12:52:30 +01:00
parent 98e455a940
commit fc6af9e721
2166 changed files with 276760 additions and 100873 deletions
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source/processes/electromagnetic/standard/include/G4UniversalFluctuation.hh
+13 -23
View File
@@ -23,7 +23,7 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id: G4UniversalFluctuation.hh 104353 2017-05-26 07:24:51Z gcosmo $
// $Id: G4UniversalFluctuation.hh 106204 2017-09-19 10:37:49Z gcosmo $
//
// -------------------------------------------------------------------
//
@@ -38,12 +38,6 @@
//
// Modifications:
//
// 09-12-02 remove warnings (V.Ivanchenko)
// 28-12-02 add method Dispersion (V.Ivanchenko)
// 07-02-03 change signature (V.Ivanchenko)
// 13-02-03 Add name (V.Ivanchenko)
// 16-10-03 Changed interface to Initialisation (V.Ivanchenko)
// 07-02-05 define problem = 5.e-3 (mma)
//
// Class Description:
//
@@ -130,7 +124,7 @@ private:
G4double minNumberInteractionsBohr;
G4double minLoss;
G4double nmaxCont;
G4double rate,fw;
G4double rate,a0,fw;
G4int sizearray;
G4double* rndmarray;
@@ -148,10 +142,9 @@ G4UniversalFluctuation::AddExcitation(CLHEP::HepRandomEngine* rndm,
if(ax > nmaxCont) {
eav += ax*ex;
esig2 += ax*ex*ex;
} else if(ax > 0.) {
G4double p = G4double(G4Poisson(ax));
eloss += p*ex;
if(p > 0.) { eloss += (1.-2.*rndm->flat())*ex; }
} else {
G4int p = G4Poisson(ax);
if(p > 0) { eloss += ((p + 1) - 2.*rndm->flat())*ex; }
}
}
@@ -161,17 +154,14 @@ G4UniversalFluctuation::SampleGauss(CLHEP::HepRandomEngine* rndm,
G4double& eloss)
{
G4double x = eav;
if(esig2 > 0.0) {
G4double sig = std::sqrt(esig2);
G4double deltae = std::min(4.*sig, eav);
if(deltae < 0.25*sig) {
x += (2.*rndm->flat() - 1.)*deltae;
} else {
do {
x = G4RandGauss::shoot(rndm, eav, sig);
} while (x < eav-deltae || x > eav+deltae);
// Loop checking, 23-Feb-2016, Vladimir Ivanchenko
}
G4double sig = std::sqrt(esig2);
if(eav < 0.25*sig) {
x += (2.*rndm->flat() - 1.)*eav;
} else {
do {
x = G4RandGauss::shoot(rndm, eav, sig);
} while (x < 0.0 || x > 2*eav);
// Loop checking, 23-Feb-2016, Vladimir Ivanchenko
}
eloss += x;
}