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pyRandomize.cc
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26 // ====================================================================
27 // pyRandomize.cc
28 //
29 // 2005 Q
30 // ====================================================================
31 #include <boost/python.hpp>
32 #include "Randomize.hh"
33 #include <vector>
34 
35 using namespace boost::python;
36 using namespace CLHEP;
37 
38 // ====================================================================
39 // thin wrappers
40 // ====================================================================
41 namespace pyRandomize {
42 
43 // problem with BOOST_PYTHON_MEMBER_FUNCTION_OVERLOADS for static method
44 // setTheSeed
45 void f1_setTheSeed(long seed)
46 {
47  HepRandom::setTheSeed(seed);
48 }
49 
50 void f2_setTheSeed(long seed, int lux)
51 {
52  HepRandom::setTheSeed(seed, lux);
53 }
54 
55 // setTheSeeds
56 void f1_setTheSeeds(const list& seedList)
57 {
58  // check size...
59  int idx=0;
60  while(1) {
61  long val= extract<long>(seedList[idx]);
62  if(val==0) break;
63  idx++;
64  }
65  int nsize= idx+1;
66 
67  long* seedArray= new long[nsize]; // should not be deleted!!
68  // (this is a problem with CLHEP.)
69  for (int i=0; i< nsize; i++) {
70  seedArray[i]= extract<long>(seedList[i]);
71  }
72 
73  HepRandom::setTheSeeds(seedArray);
74 }
75 
76 void f2_setTheSeeds(const list& seedList, int aux)
77 {
78  // check size...
79  int idx=0;
80  while(1) {
81  long val= extract<long>(seedList[idx]);
82  if(val==0) break;
83  idx++;
84  }
85  int nsize= idx+1;
86 
87  long* seedArray= new long[nsize];
88  for (int i=0; i< nsize; i++) {
89  seedArray[i]= extract<long>(seedList[i]);
90  }
91 
92  HepRandom::setTheSeeds(seedArray, aux);
93 }
94 
95 // getTheSeeds
97 {
98  list seedList;
99  const long* seeds= HepRandom::getTheSeeds();
100  int idx=0;
101  while(1) {
102  if( seeds[idx]==0) break;
103  seedList.append(seeds[idx]);
104  idx++;
105  }
106  return seedList;
107 }
108 
109 // getTheTableSeeds
110 list f_getTheTableSeeds(int index)
111 {
112  long seedPair[2];
113  HepRandom::getTheTableSeeds(seedPair, index);
114 
115  list seedList;
116  seedList.append(seedPair[0]);
117  seedList.append(seedPair[1]);
118 
119  return seedList;
120 }
121 
122 
123 // saveEngineStatus
125 {
126  HepRandom::saveEngineStatus();
127 }
128 
129 void f2_saveEngineStatus(const char* filename)
130 {
131  HepRandom::saveEngineStatus(filename);
132 }
133 
134 // restoreEngineStatus
136 {
137  HepRandom::restoreEngineStatus();
138 }
139 
141 {
142  HepRandom::restoreEngineStatus(filename);
143 }
144 
145 // RandBit::shootBit
147 {
148  return RandBit::shootBit();
149 }
150 
151 // RandGaussQ::shoot
153 {
154  return RandGaussQ::shoot();
155 }
156 
157 double f2_RandGaussQ_shoot(double mean, double stdDev)
158 {
159  return RandGaussQ::shoot(mean, stdDev);
160 }
161 
162 
163 // G4UniformRand
165 {
166  return G4UniformRand();
167 }
168 
169 }
170 
171 using namespace pyRandomize;
172 
173 // ====================================================================
174 // module definition
175 // ====================================================================
177 {
178  class_<HepRandom>("HepRandom", "generate random number")
179  // ---
180  .def(init<long>())
181  .def(init<HepRandomEngine&>())
182  .def(init<HepRandomEngine*>())
183  // ---
184  .def("setTheSeed", f1_setTheSeed)
185  .def("setTheSeed", f2_setTheSeed)
186  .staticmethod("setTheSeed")
187  .def("getTheSeed", &HepRandom::getTheSeed)
188  .staticmethod("getTheSeed")
189  .def("setTheSeeds", f1_setTheSeeds)
190  .def("setTheSeeds", f2_setTheSeeds)
191  .staticmethod("setTheSeeds")
192  .def("getTheSeeds", f_getTheSeeds)
193  .staticmethod("getTheSeeds")
194  .def("getTheTableSeeds", f_getTheTableSeeds)
195  .staticmethod("getTheTableSeeds")
196  // ---
197  .def("getTheGenerator", &HepRandom::getTheGenerator,
198  return_value_policy<reference_existing_object>())
199  .staticmethod("getTheGenerator")
200  .def("setTheEngine", &HepRandom::setTheEngine)
201  .staticmethod("setTheEngine")
202  .def("getTheEngine", &HepRandom::getTheEngine,
203  return_value_policy<reference_existing_object>())
204  .staticmethod("getTheEngine")
205  .def("saveEngineStatus", f1_saveEngineStatus)
206  .def("saveEngineStatus", f2_saveEngineStatus)
207  .staticmethod("saveEngineStatus")
208  .def("restoreEngineStatus", f1_restoreEngineStatus)
209  .def("restoreEngineStatus", f2_restoreEngineStatus)
210  .staticmethod("restoreEngineStatus")
211  .def("showEngineStatus", &HepRandom::showEngineStatus)
212  .staticmethod("showEngineStatus")
213  .def("createInstance", &HepRandom::createInstance)
214  .staticmethod("createInstance")
215  ;
216 
217  // ---
218  class_<RandBit, boost::noncopyable>
219  ("RandBit", "generate bit random number", no_init)
220  .def("shootBit", f1_RandBit_shootBit)
221  .staticmethod("shootBit")
222  ;
223 
224  // ---
225  class_<G4RandGauss, boost::noncopyable>
226  ("G4RandGauss", "generate gaussian random number", no_init)
227  .def("shoot", f1_RandGaussQ_shoot)
228  .def("shoot", f2_RandGaussQ_shoot)
229  .staticmethod("shoot")
230  ;
231 
232  // ---
233  def("G4UniformRand", f_G4UniformRand);
234 
235 }
236