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This commit is contained in:
Gabriele Cosmo
2016-06-09 11:11:55 +02:00
parent e083ffb441
commit 516dbf1a58
5914 changed files with 202605 additions and 71141 deletions
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source/global/HEPRandom/include/G4Poisson.hh
+6 -6
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@@ -21,8 +21,8 @@
// ********************************************************************
//
//
// $Id: G4Poisson.hh,v 1.6 2001/07/11 10:00:43 gunter Exp $
// GEANT4 tag $Name: geant4-05-02-patch-01 $
// $Id: G4Poisson.hh,v 1.7 2004/11/12 17:38:34 gcosmo Exp $
// GEANT4 tag $Name: geant4-07-00-cand-03 $
//
//
// ------------------------------------------------------------
@@ -51,7 +51,7 @@ inline G4long G4Poisson(G4double mean)
if(mean <= border) {
G4double position = RandFlat::shoot();
G4double poissonValue = exp(-mean);
G4double poissonValue = std::exp(-mean);
G4double poissonSum = poissonValue;
while(poissonSum <= position) {
@@ -63,10 +63,10 @@ inline G4long G4Poisson(G4double mean)
} // the case of mean <= 16
G4double value, t, y;
t = sqrt(-2*log(RandFlat::shoot()));
t = std::sqrt(-2*std::log(RandFlat::shoot()));
y = twopi*RandFlat::shoot();
t *= cos(y);
value = mean + t*sqrt(mean) + 0.5;
t *= std::cos(y);
value = mean + t*std::sqrt(mean) + 0.5;
if(value <= 0) {return 0;}
if(value >= limit) { return G4long(limit);}
return G4long(value);