cLCG32 Class Reference
Implements a 32-bit (2^31-2 cycle length) linear congruential random number generator. More...
#include <clcg32.h>
Inheritance diagram for cLCG32:
Public Member Functions | |
| virtual void | initialize (int seedSet, int rngId, int numRngs, int parsimProcId, int parsimNumPartitions, cConfiguration *cfg) |
| virtual void | selfTest () |
| virtual unsigned long | intRand () |
| virtual unsigned long | intRandMax () |
| virtual unsigned long | intRand (unsigned long n) |
| virtual double | doubleRand () |
| virtual double | doubleRandNonz () |
| virtual double | doubleRandIncl1 () |
Detailed Description
Implements a 32-bit (2^31-2 cycle length) linear congruential random number generator.
- Range: 1 ... 2^31-2
- Period length: 2^31-2
- Method: x=(x * 7^5) mod (2^31-1)
- Required hardware: exactly 32-bit integer aritmetics
- To check: if x[0]=1 then x[10000]=1,043,618,065
Source: Raj Jain: The Art of Computer Systems Performance Analysis (John Wiley & Sons, 1991) pp 441-444, 455.
Member Function Documentation
| virtual void cLCG32::initialize | ( | int | seedSet, | |
| int | rngId, | |||
| int | numRngs, | |||
| int | parsimProcId, | |||
| int | parsimNumPartitions, | |||
| cConfiguration * | cfg | |||
| ) | [virtual] |
Sets up the RNG.
Implements cRNG.
The documentation for this class was generated from the following file:
