Import Geant4 1.0.0 source tree

2016-06-08 15:28:20 +02:00
parent aaa409b6ee
commit ca1c8cb059
2995 changed files with 106830 additions and 299600 deletions
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+// This code implementation is the intellectual property of
+// the GEANT4 collaboration.
+//
+// By copying, distributing or modifying the Program (or any work
+// based on the Program) you indicate your acceptance of this statement,
+// and all its terms.
+//
+// $Id: G4ShootBitTest.cc,v 1.3 1999/11/23 15:00:01 gcosmo Exp $
+// GEANT4 tag $Name: geant4-01-00 $
+//
+// 
+
+// Tests RandFlat::fireBit() member function
+// Peter Urban, 5th Sep 1996
+
+#include "G4ios.hh"
+#include "g4std/iomanip.h"
+#include "Randomize.hh"
+#include "G4Timer.hh"
+
+int main()
+{
+  HepRandomEngine* e= HepRandom::getTheEngine();
+  RandFlat r(*e);
+  
+  const long NumTest= 10000;  
+
+  G4cout << "Printed value: (relative frequency - probability)" << G4endl;
+  G4cout << NumTest << " random numbers" << G4endl << G4endl;
+
+  long sum= 0;
+  long i, j;
+
+  for (i=0; i<NumTest; i++) {
+    sum+= r.fireBit();
+  }
+  G4cout << "fireBit                   " << double(sum)/NumTest-0.5 << G4endl;  
+  sum= 0;
+  for (i=0; i<NumTest; i++) {
+    sum+= r.shootBit();
+  }
+  G4cout << "shootBit                  " << double(sum)/NumTest-0.5 << G4endl;  
+  sum= 0;
+  for (i=0; i<NumTest; i++) {
+    sum+= r.shootBit(e);
+  }
+  G4cout << "shootBit(engine)          " << double(sum)/NumTest-0.5 << G4endl;  
+
+ 
+  const long Num= 1000000;
+  int iii;  long lll;
+
+  G4Timer theTimer;
+  G4cout << G4endl << "Performance test: " << G4endl;
+
+  G4cout << "shootBit() vs G4UniformRand()<0.5: ";
+  theTimer.Start();
+  for (i=0; i<Num; i++)
+    iii = RandFlat::shootBit();
+  theTimer.Stop();
+  G4cout << theTimer.GetUserElapsed() << " vs ";
+  theTimer.Start();
+  for (i=0; i<Num; i++)
+    G4UniformRand()<0.5;
+  theTimer.Stop();
+  G4cout << theTimer.GetUserElapsed() << G4endl << G4endl;
+  
+  return 0;
+}
+
+
+