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root/OpenMD/trunk/src/math/SeqRandNumGen.cpp
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Comparing trunk/src/math/SeqRandNumGen.cpp (file contents):
Revision 392 by tim, Wed Mar 2 15:36:14 2005 UTC vs.
Revision 507 by gezelter, Fri Apr 15 22:04:00 2005 UTC

# Line 1 | Line 1
1 < /*
1 > /*
2   * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3   *
4   * The University of Notre Dame grants you ("Licensee") a
# Line 46 | Line 46 | namespace oopse {
46  
47  
48  
49 < int SeqRandNumGen::nCreatedRNG_ = 0;
49 >  int SeqRandNumGen::nCreatedRNG_ = 0;
50  
51 < SeqRandNumGen::SeqRandNumGen( const uint32& oneSeed) {
51 >  SeqRandNumGen::SeqRandNumGen( const uint32& oneSeed) {
52  
53      //In order to generate independent random number stream, the actual seed used by random
54      //number generator is the seed passed to the constructor plus the number of random number
# Line 56 | Line 56 | SeqRandNumGen::SeqRandNumGen( const uint32& oneSeed) {
56      int newSeed = oneSeed + nCreatedRNG_;
57      mtRand_ = new MTRand(newSeed, 1, 0);
58      ++nCreatedRNG_;
59 < }
59 >  }
60  
61 < SeqRandNumGen::SeqRandNumGen() {
61 >  SeqRandNumGen::SeqRandNumGen() {
62  
63      //the default seeds generated by MTRand will make sure they are unique
64      mtRand_ = new MTRand(1, 0);      
65      ++nCreatedRNG_;
66 < }
66 >  }
67  
68  
69 < void SeqRandNumGen::seed( const uint32 oneSeed ) {
69 >  void SeqRandNumGen::seed( const uint32 oneSeed ) {
70  
71      int newSeed = oneSeed + nCreatedRNG_;
72      mtRand_->seed(newSeed);
73  
74      ++nCreatedRNG_;
75 < }
75 >  }
76          
77 < void SeqRandNumGen::seed() {
77 >  void SeqRandNumGen::seed() {
78  
79      mtRand_->seed();
80      ++nCreatedRNG_;
81 < }    
81 >  }    
82  
83  
84   }

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