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This commit is contained in:
Gabriele Cosmo
2022-07-01 10:44:02 +02:00
parent b3bf75a2a1
commit c07cea1fe0
2172 changed files with 183300 additions and 123938 deletions
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examples/extended/eventgenerator/particleGun/src/PrimaryGeneratorAction2.cc
+6 -4
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@@ -61,10 +61,10 @@ PrimaryGeneratorAction2::~PrimaryGeneratorAction2()
void PrimaryGeneratorAction2::GeneratePrimaries(G4Event* anEvent)
{
//cosAlpha uniform in [cos(0), cos(pi)]
G4double cosAlpha = 1. - 2*G4UniformRand();
// uniform solid angle
G4double cosAlpha = 1. - 2*G4UniformRand(); //cosAlpha uniform in [-1,+1]
G4double sinAlpha = std::sqrt(1. - cosAlpha*cosAlpha);
G4double psi = twopi*G4UniformRand(); //psi uniform in [0, 2*pi]
G4double psi = twopi*G4UniformRand(); //psi uniform in [0, 2*pi]
G4ThreeVector dir(sinAlpha*std::cos(psi),sinAlpha*std::sin(psi),cosAlpha);
fParticleGun->SetParticleMomentumDirection(dir);
@@ -126,7 +126,8 @@ G4double PrimaryGeneratorAction2::RejectAccept()
{
// tabulated function
// Y is assumed positive, linear per segment, continuous
//
// (see Particle Data Group: pdg.lbl.gov --> Monte Carlo techniques)
//
G4double Xrndm = 0., Yrndm = 0., Yinter = -1.;
while (Yrndm > Yinter) {
@@ -149,6 +150,7 @@ G4double PrimaryGeneratorAction2::InverseCumul()
// tabulated function
// Y is assumed positive, linear per segment, continuous
// --> cumulative function is second order polynomial
// (see Particle Data Group: pdg.lbl.gov --> Monte Carlo techniques)
//choose y randomly
G4double Yrndm = G4UniformRand()*fYC[fNPoints-1];