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G4SmpPVel.cc
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53 // UCRL-CODE-224807
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57 
58 #include <cmath>
59 #include "G4fissionEvent.hh"
60 
61 G4double G4fissionEvent::G4SmpPVel(G4double /*eng*/, G4double* cosdiru, G4double* cosdirv, G4double* cosdirw) {
62 
63 /*
64  Description
65  Knowing the photon energy, determine its velocity and the 3 direction cosines
66 */
67 
68 /*
69  Input
70  eng - energy of photon
71  Output
72  - velocity
73  - 3 components of the photon velocity
74  as arugments (cosdiru, cosdirv, cosdirw)
75 */
76 
77  const G4double cspeed = 2.99792458e+8; /* speed of light (m/sec) */
78 
79  G4SmpIsoDir(cosdiru, cosdirv, cosdirw);
80 
81  return cspeed;
82 }