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-rw-r--r--libraries/ode-0.9/OPCODE/Ice/IceRandom.h42
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diff --git a/libraries/ode-0.9/OPCODE/Ice/IceRandom.h b/libraries/ode-0.9/OPCODE/Ice/IceRandom.h
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--- a/libraries/ode-0.9/OPCODE/Ice/IceRandom.h
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1///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
2/**
3 * Contains code for random generators.
4 * \file IceRandom.h
5 * \author Pierre Terdiman
6 * \date August, 9, 2001
7 */
8///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
9
10///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
11// Include Guard
12#ifndef __ICERANDOM_H__
13#define __ICERANDOM_H__
14
15 FUNCTION ICECORE_API void SRand(udword seed);
16 FUNCTION ICECORE_API udword Rand();
17
18 //! Returns a unit random floating-point value
19 inline_ float UnitRandomFloat() { return float(Rand()) * ONE_OVER_RAND_MAX; }
20
21 //! Returns a random index so that 0<= index < max_index
22 ICECORE_API udword GetRandomIndex(udword max_index);
23
24 class ICECORE_API BasicRandom
25 {
26 public:
27
28 //! Constructor
29 inline_ BasicRandom(udword seed=0) : mRnd(seed) {}
30 //! Destructor
31 inline_ ~BasicRandom() {}
32
33 inline_ void SetSeed(udword seed) { mRnd = seed; }
34 inline_ udword GetCurrentValue() const { return mRnd; }
35 inline_ udword Randomize() { mRnd = mRnd * 2147001325 + 715136305; return mRnd; }
36
37 private:
38 udword mRnd;
39 };
40
41#endif // __ICERANDOM_H__
42