| Geant4 Cross Reference |
1 // -*- C++ -*- 1
2 //
3 // -------------------------------------------
4 // HEP Random
5 // --- EngineFactory ---
6 // class implementation f
7 // -------------------------------------------
8 //
9 // ===========================================
10 // Mark Fischler - Created: Dec. 21, 2004
11 // ===========================================
12
13 #include "CLHEP/Random/EngineFactory.h"
14 #include "CLHEP/Random/DualRand.h"
15 #include "CLHEP/Random/JamesRandom.h"
16 #include "CLHEP/Random/MixMaxRng.h"
17 #include "CLHEP/Random/MTwistEngine.h"
18 #include "CLHEP/Random/RanecuEngine.h"
19 #include "CLHEP/Random/Ranlux64Engine.h"
20 #include "CLHEP/Random/RanluxppEngine.h"
21 #include "CLHEP/Random/RanluxEngine.h"
22 #include "CLHEP/Random/RanshiEngine.h"
23 #include "CLHEP/Random/NonRandomEngine.h"
24 #include "CLHEP/Random/engineIDulong.h"
25 #include <iostream>
26 #include <string>
27 #include <vector>
28
29 namespace CLHEP {
30
31 template<class E>
32 static HepRandomEngine*
33 makeAnEngine (const std::string & tag,
34 std::istream & is) {
35 if ( tag != E::beginTag() ) return 0;
36 HepRandomEngine* eptr = new E;
37 eptr->getState(is);
38 if (!is) return 0;
39 return eptr;
40 }
41
42 template<class E>
43 static HepRandomEngine*
44 makeAnEngine (const std::vector<unsigned long>
45 if ( (v[0] & 0xffffffffUL) != engineIDulong<
46 HepRandomEngine* eptr = new E;
47 bool success = eptr->getState(v);
48 if (!success) return 0;
49 // std::cerr << "makeAnEngine made " << E::e
50 return eptr;
51 }
52
53 HepRandomEngine* EngineFactory::newEngine(std:
54 HepRandomEngine* eptr;
55 std::string tag;
56 is >> tag;
57 eptr = makeAnEngine <HepJamesRandom> (tag,
58 eptr = makeAnEngine <RanecuEngine> (tag,
59 eptr = makeAnEngine <Ranlux64Engine> (tag,
60 eptr = makeAnEngine <RanluxppEngine> (tag,
61 eptr = makeAnEngine <MixMaxRng> (tag,
62 eptr = makeAnEngine <MTwistEngine> (tag,
63 eptr = makeAnEngine <DualRand> (tag,
64 eptr = makeAnEngine <RanluxEngine> (tag,
65 eptr = makeAnEngine <RanshiEngine> (tag,
66 eptr = makeAnEngine <NonRandomEngine> (tag,
67 is.clear(std::ios::badbit | is.rdstate());
68 std::cerr <<
69 "Input mispositioned or bad in reading ano
70 << "\nBegin-tag read was: " << tag
71 << "\nInput stream is probably fouled up
72 return eptr;
73 }
74
75 HepRandomEngine*
76 EngineFactory::newEngine(std::vector<unsigned
77 HepRandomEngine* eptr;
78 eptr = makeAnEngine <HepJamesRandom> (v); i
79 eptr = makeAnEngine <RanecuEngine> (v); i
80 eptr = makeAnEngine <Ranlux64Engine> (v); i
81 eptr = makeAnEngine <RanluxppEngine> (v); i
82 eptr = makeAnEngine <MixMaxRng> (v); i
83 eptr = makeAnEngine <MTwistEngine> (v); i
84 eptr = makeAnEngine <DualRand> (v); i
85 eptr = makeAnEngine <RanluxEngine> (v); i
86 eptr = makeAnEngine <RanshiEngine> (v); i
87 eptr = makeAnEngine <NonRandomEngine> (v); i
88 std::cerr <<
89 "Cannot correctly get anonymous engine fro
90 << "First unsigned long was: " << v[0]
91 << " Vector size was: " << v.size() <<"\
92 return eptr;
93 }
94
95 } // namespace CLHEP
96
97