| 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | //
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| 27 | // $Id: G4RandDistributionTest.cc,v 1.5 2006/06/29 19:00:52 gunter Exp $
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| 28 | // GEANT4 tag $Name: geant4-09-02-ref-02 $
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| 29 | //
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| 30 | //
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| 31 | // ----------------------------------------------------------------------
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| 32 | #include "Randomize.hh"
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| 33 | #include "G4ios.hh"
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| 34 |
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| 35 | HepJamesRandom theJamesEngine;
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| 36 | RandEngine theRandEngine;
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| 37 | DRand48Engine theDRand48Engine;
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| 38 | RanluxEngine theRanluxEngine(19780503,4);
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| 39 | RanecuEngine theRanecuEngine;
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| 40 |
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| 41 | void init()
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| 42 | {
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| 43 | char Pause;
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| 44 |
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| 45 | G4cout << G4endl << G4endl;
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| 46 | G4cout << "---------------------------- Random shooting test -----------------------------" << G4endl;
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| 47 | G4cout << " -------------------- " << G4endl;
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| 48 | G4cout << " >>> Random Engines available <<<" << G4endl << G4endl;
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| 49 | G4cout << " > HepJamesRandom (default)" << G4endl;
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| 50 | G4cout << " > Rand" << G4endl;
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| 51 | G4cout << " > DRand48" << G4endl;
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| 52 | G4cout << " > Ranlux" << G4endl;
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| 53 | G4cout << " > Ranecu" << G4endl << G4endl;
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| 54 | G4cout << " ----- Press <ENTER> to continue -----";
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| 55 | if ( (Pause = G4cin.get()) != '\n') exit(0);
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| 56 | G4cout << G4endl;
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| 57 |
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| 58 | } // end init()
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| 59 |
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| 60 |
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| 61 | void layout()
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| 62 | {
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| 63 | HepFloat m=3.0;
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| 64 | const HepInt size=5;
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| 65 | HepDouble vect[size];
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| 66 |
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| 67 | G4cout << " Flat ]0,1[ : " << RandFlat::shoot() << G4endl;
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| 68 | G4cout << " Flat ]0,5[ : " << RandFlat::shoot(5) << G4endl;
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| 69 | G4cout << " Flat ]-5,3[ : " << RandFlat::shoot(-5,3) << G4endl;
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| 70 | G4cout << " Exp (m=1) : " << RandExponential::shoot() << G4endl;
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| 71 | G4cout << " Exp (m=3) : " << RandExponential::shoot(3) << G4endl;
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| 72 | G4cout << " Gauss (m=1) : " << RandGauss::shoot() << G4endl;
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| 73 | G4cout << " Gauss (m=3,v=1) : " << RandGauss::shoot(3,1) << G4endl;
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| 74 | G4cout << " Wigner(1,0.2) : " << RandBreitWigner::shoot(1,0.2) << G4endl;
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| 75 | G4cout << " Wigner(1,0.2,1) : " << RandBreitWigner::shoot(1,0.2,1) << G4endl;
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| 76 | G4cout << " Wigner2(1,0.2) : " << RandBreitWigner::shootM2(1,0.2) << G4endl;
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| 77 | G4cout << " Wigner2(1,0.2,1) : " << RandBreitWigner::shootM2(1,0.2,1) << G4endl;
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| 78 | G4cout << " IntFlat [0,99[ : " << RandFlat::shootInt(99) << G4endl;
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| 79 | G4cout << " IntFlat [-99,37[ : " << RandFlat::shootInt(-99,37) << G4endl;
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| 80 | G4cout << " Poisson (m=3.0) : " << RandPoisson::shoot(m) << G4endl;
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| 81 | G4cout << G4endl;
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| 82 | G4cout << " Shooting an array of 5 flat numbers ..." << G4endl << G4endl;
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| 83 | RandFlat::shootArray(size,vect);
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| 84 | for ( HepInt i=0; i<size; ++i )
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| 85 | G4cout << " " << vect[i];
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| 86 | G4cout << G4endl << G4endl;
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| 87 | } // end layout()
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| 88 |
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| 89 | void dist_layout()
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| 90 | {
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| 91 | HepFloat m=3.0;
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| 92 | const HepInt size=5;
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| 93 | HepDouble vect[size];
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| 94 | char Pause;
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| 95 |
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| 96 | HepJamesRandom aJamesEngine;
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| 97 | RandEngine aRandEngine;
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| 98 | DRand48Engine aDRand48Engine;
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| 99 | RanluxEngine aRanluxEngine(19780503,4);
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| 100 | RanecuEngine aRanecuEngine;
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| 101 |
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| 102 | RandFlat aFlatObj(aJamesEngine);
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| 103 | RandExponential anExponentialObj(aRandEngine);
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| 104 | RandGauss aGaussObj(aDRand48Engine);
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| 105 | RandBreitWigner aBreitObj(aRanluxEngine);
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| 106 | RandPoisson aPoissonObj(aRanecuEngine);
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| 107 |
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| 108 | G4cout << " ----- Press <ENTER> to continue -----";
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| 109 | if ( (Pause = G4cin.get()) != '\n') exit(0);
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| 110 | G4cout << "-------------------- Shooting test on distribution objects --------------------" << G4endl;
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| 111 | G4cout << G4endl;
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| 112 | G4cout << " Flat ]0,1[ : " << aFlatObj.fire() << G4endl;
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| 113 | G4cout << " Flat ]0,5[ : " << aFlatObj.fire(5) << G4endl;
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| 114 | G4cout << " Flat ]-5,3[ : " << aFlatObj.fire(-5,3) << G4endl;
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| 115 | G4cout << " Exp (m=1) : " << anExponentialObj.fire() << G4endl;
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| 116 | G4cout << " Exp (m=3) : " << anExponentialObj.fire(3) << G4endl;
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| 117 | G4cout << " Gauss (m=1) : " << aGaussObj.fire() << G4endl;
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| 118 | G4cout << " Gauss (m=3,v=1) : " << aGaussObj.fire(3,1) << G4endl;
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| 119 | G4cout << " Wigner(1,0.2) : " << aBreitObj.fire(1,0.2) << G4endl;
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| 120 | G4cout << " Wigner(1,0.2,1) : " << aBreitObj.fire(1,0.2,1) << G4endl;
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| 121 | G4cout << " Wigner2(1,0.2) : " << aBreitObj.fireM2(1,0.2) << G4endl;
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| 122 | G4cout << " Wigner2(1,0.2,1) : " << aBreitObj.fireM2(1,0.2,1) << G4endl;
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| 123 | G4cout << " IntFlat [0,99[ : " << aFlatObj.fireInt(99) << G4endl;
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| 124 | G4cout << " IntFlat [-99,37[ : " << aFlatObj.fireInt(-99,37) << G4endl;
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| 125 | G4cout << " Poisson (m=3.0) : " << aPoissonObj.fire(m) << G4endl;
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| 126 | G4cout << G4endl;
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| 127 | G4cout << " Shooting an array of 5 flat numbers ..." << G4endl << G4endl;
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| 128 | aFlatObj.fireArray(size,vect);
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| 129 | for ( HepInt i=0; i<size; ++i )
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| 130 | G4cout << " " << vect[i];
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| 131 | G4cout << G4endl << G4endl;
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| 132 | G4cout << " ----- Press <ENTER> to continue -----";
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| 133 | if ( (Pause = G4cin.get()) != '\n') exit(0);
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| 134 | } // end dist_layout()
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| 135 |
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| 136 | void user_layout()
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| 137 | {
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| 138 | HepFloat m=3.0;
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| 139 | const HepInt size=5;
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| 140 | HepDouble vect[size];
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| 141 | char sel;
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| 142 | HepRandomEngine* anEngine;
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| 143 |
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| 144 | G4cout << G4endl << G4endl;
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| 145 | G4cout << "-------------------- Shooting test skeeping the generator ---------------------" << G4endl;
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| 146 | G4cout << G4endl;
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| 147 | G4cout << " >>> Select a Random Engine <<<" << G4endl << G4endl;
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| 148 | G4cout << " 1. HepJamesRandom (default)" << G4endl;
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| 149 | G4cout << " 2. Rand" << G4endl;
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| 150 | G4cout << " 3. DRand48" << G4endl;
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| 151 | G4cout << " 4. Ranlux" << G4endl;
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| 152 | G4cout << " 5. Ranecu" << G4endl << G4endl;
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| 153 | G4cout << " > ";
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| 154 | G4cin >> sel;
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| 155 | while ((sel!='1')&&(sel!='2')&&(sel!='3')&&(sel!='4')&&(sel!='5')) {
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| 156 | G4cout << G4endl << " >>> Choice not legal !! [1..5]<<<" << G4endl;
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| 157 | G4cin >> sel;
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| 158 | }
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| 159 |
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| 160 | switch (sel) {
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| 161 | case '1':
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| 162 | anEngine = &theJamesEngine;
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| 163 | break;
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| 164 | case '2':
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| 165 | anEngine = &theRandEngine;
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| 166 | break;
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| 167 | case '3':
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| 168 | anEngine = &theDRand48Engine;
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| 169 | break;
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| 170 | case '4':
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| 171 | anEngine = &theRanluxEngine;
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| 172 | break;
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| 173 | case '5':
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| 174 | anEngine = &theRanecuEngine;
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| 175 | break;
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| 176 |
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| 177 | default:
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| 178 | anEngine = &theJamesEngine;
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| 179 | break;
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| 180 | }
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| 181 | G4cout << G4endl;
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| 182 |
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| 183 | G4cout << " Flat ]0,1[ : " << RandFlat::shoot(anEngine) << G4endl;
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| 184 | G4cout << " Flat ]0,5[ : " << RandFlat::shoot(anEngine,5) << G4endl;
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| 185 | G4cout << " Flat ]-5,3[ : " << RandFlat::shoot(anEngine,-5,3) << G4endl;
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| 186 | G4cout << " Exp (m=1) : " << RandExponential::shoot(anEngine) << G4endl;
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| 187 | G4cout << " Exp (m=3) : " << RandExponential::shoot(anEngine,3) << G4endl;
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| 188 | G4cout << " Gauss (m=1) : " << RandGauss::shoot(anEngine) << G4endl;
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| 189 | G4cout << " Gauss (m=3,v=1) : " << RandGauss::shoot(anEngine,3,1) << G4endl;
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| 190 | G4cout << " Wigner(1,0.2) : " << RandBreitWigner::shoot(anEngine,1,0.2) << G4endl;
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| 191 | G4cout << " Wigner(1,0.2,1) : " << RandBreitWigner::shoot(anEngine,1,0.2,1) << G4endl;
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| 192 | G4cout << " Wigner2(1,0.2) : " << RandBreitWigner::shootM2(anEngine,1,0.2) << G4endl;
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| 193 | G4cout << " Wigner2(1,0.2,1) : " << RandBreitWigner::shootM2(anEngine,1,0.2,1) << G4endl;
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| 194 | G4cout << " IntFlat [0,99[ : " << RandFlat::shootInt(anEngine,99) << G4endl;
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| 195 | G4cout << " IntFlat [-99,37[ : " << RandFlat::shootInt(anEngine,-99,37) << G4endl;
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| 196 | G4cout << " Poisson (m=3.0) : " << RandPoisson::shoot(anEngine,m) << G4endl;
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| 197 | G4cout << G4endl;
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| 198 | G4cout << " Shooting an array of 5 flat numbers ..." << G4endl << G4endl;
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| 199 | RandFlat::shootArray(anEngine,size,vect);
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| 200 | for ( HepInt i=0; i<size; ++i )
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| 201 | G4cout << " " << vect[i];
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| 202 | G4cout << G4endl << G4endl;
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| 203 | } // end layout()
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| 204 |
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| 205 | void start_test()
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| 206 | {
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| 207 | char Pause;
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| 208 |
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| 209 | G4cout << "------------------------- Test on HepJamesRandom ----------------------------" << G4endl;
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| 210 | G4cout << G4endl;
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| 211 | layout();
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| 212 | G4cout << " ----- Press <ENTER> to continue -----";
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| 213 | if ( (Pause = G4cin.get()) != '\n') exit(0);
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| 214 | G4cout << G4endl;
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| 215 | G4cout << "--------------------------- Test on RandEngine ------------------------------" << G4endl;
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| 216 | G4cout << G4endl;
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| 217 | HepRandom::setTheEngine(&theRandEngine);
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| 218 | layout();
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| 219 | G4cout << " ----- Press <ENTER> to continue -----";
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| 220 | if ( (Pause = G4cin.get()) != '\n') exit(0);
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| 221 | G4cout << G4endl;
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| 222 | G4cout << "------------------------- Test on DRand48Engine -----------------------------" << G4endl;
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| 223 | G4cout << G4endl;
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| 224 | HepRandom::setTheEngine(&theDRand48Engine);
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| 225 | layout();
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| 226 | G4cout << " ----- Press <ENTER> to continue -----";
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| 227 | if ( (Pause = G4cin.get()) != '\n') exit(0);
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| 228 | G4cout << G4endl;
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| 229 | G4cout << "--------------------- Test on RanluxEngine (luxury 4) ------------------------" << G4endl;
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| 230 | G4cout << G4endl;
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| 231 | HepRandom::setTheEngine(&theRanluxEngine);
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| 232 | layout();
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| 233 | G4cout << " ----- Press <ENTER> to continue -----";
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| 234 | if ( (Pause = G4cin.get()) != '\n') exit(0);
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| 235 | G4cout << G4endl;
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| 236 | G4cout << "-------------------------- Test on RanecuEngine ------------------------------" << G4endl;
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| 237 | G4cout << G4endl;
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| 238 | HepRandom::setTheEngine(&theRanecuEngine);
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| 239 | layout();
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| 240 | dist_layout();
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| 241 | user_layout();
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| 242 | } // end start_test()
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| 243 |
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| 244 |
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| 245 | HepInt main() {
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| 246 |
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| 247 | init();
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| 248 | start_test();
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| 249 |
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| 250 | return 0;
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| 251 | }
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| 252 |
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