Geant4  10.03.p01
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G4MTRandExponential.cc
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27 // $Id:$
28 //
29 #if __clang__
30  #if ((defined(G4MULTITHREADED) && !defined(G4USE_STD11)) || \
31  !__has_feature(cxx_thread_local)) || !__has_feature(c_atomic)
32  #define CLANG_NOSTDTLS
33  #endif
34 #endif
35 
36 #if (defined(G4MULTITHREADED) && \
37  (!defined(G4USE_STD11) || (defined(CLANG_NOSTDTLS) || defined(__INTEL_COMPILER))))
38 
39 #include "G4MTRandExponential.hh"
40 
42 {
43  if ( deleteEngine ) delete localEngine;
44 }
45 
47 {
48  return fire( defaultMean );
49 }
50 
52 {
53  return fire( mean );
54 }
55 
57 {
58  return -std::log(G4MTHepRandom::getTheEngine()->flat());
59 }
60 
62 {
63  return -std::log(G4MTHepRandom::getTheEngine()->flat())*mean;
64 }
65 
66 void G4MTRandExponential::shootArray( const G4int size, G4double* vect,
67  G4double mean )
68 {
69  for (G4int i=0; i<size; ++i)
70  vect[i] = shoot(mean);
71 }
72 
74  const G4int size, G4double* vect, G4double mean )
75 {
76  for (G4int i=0; i<size; ++i)
77  vect[i] = shoot(anEngine, mean);
78 }
79 
80 void G4MTRandExponential::fireArray( const G4int size, G4double* vect)
81 {
82  for (G4int i=0; i<size; ++i)
83  vect[i] = fire( defaultMean );
84 }
85 
86 void G4MTRandExponential::fireArray( const G4int size, G4double* vect,
87  G4double mean )
88 {
89  for (G4int i=0; i<size; ++i)
90  vect[i] = fire( mean );
91 }
92 
93 #endif
static CLHEP::HepRandomEngine * getTheEngine()
G4double operator()()
static G4double shoot()
int G4int
Definition: G4Types.hh:78
virtual ~G4MTRandExponential()
static void shootArray(const G4int size, G4double *vect, G4double mean=1.0)
G4double flat()
void fireArray(const G4int size, G4double *vect)
double G4double
Definition: G4Types.hh:76