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Random.h
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1 // Copyright (c) 2009-2014 Alan Wright. All rights reserved.
3 // Distributable under the terms of either the Apache License (Version 2.0)
4 // or the GNU Lesser General Public License.
6 
7 #ifndef RANDOM_H
8 #define RANDOM_H
9 
10 #include "LuceneObject.h"
11 
12 namespace Lucene {
13 
15 class LPPAPI Random : public LuceneObject {
16 public:
17  Random();
18  Random(int64_t seed);
19 
20  virtual ~Random();
21 
22 protected:
23  int64_t seed;
24 
25 public:
26  void setSeed(int64_t seed);
27  int32_t nextInt(int32_t limit = INT_MAX);
28  double nextDouble();
29 
30 protected:
31  int32_t next(int32_t bits);
32 };
33 
34 }
35 
36 #endif
Base class for all Lucene classes.
Definition: LuceneObject.h:31
Utility class to generate a stream of pseudorandom numbers.
Definition: Random.h:15
int32_t next(int32_t bits)
double nextDouble()
virtual ~Random()
Random(int64_t seed)
int32_t nextInt(int32_t limit=INT_MAX)
int64_t seed
Definition: Random.h:23
void setSeed(int64_t seed)
Definition: AbstractAllTermDocs.h:12

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