Gives a random integer in range [0,i). Note that this differs from the implementation in RandomGenerator.h For people who wonder about the sense of these bounds: http://www.cs.utexas.edu/users/EWD/transcriptions/EWD08xx/EWD831.html? Definition at line 37 of file Random.h. References ILOG_VAR, and ILOG_WARNING. Referenced by DumpRandomSequence(), RandomInt(), and RandomUniqueNumbers(). 00038 { 00039 ILOG_VAR(Impala.Util.Random.RandomInt); 00040 if(upperBound > RAND_MAX) 00041 ILOG_WARNING(upperBound <<" upperBound > RAND_MAX "<< RAND_MAX); 00042 return (int) (((double) std::rand() / ((double) RAND_MAX + 1.0)) * 00043 upperBound); 00044 }
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1.5.1