Enabling Applications for Grid Computing with Globus

Lottery example

Below is a sample for emulating a lottery. To compile GenerateDraws.C issue:

g++ -o GenerateDraws -0 3 GenerateDraws.C

GenerateDraws.C

 #include <cstdlib> #include <unistd.h> #include <list> #include <algorithm> #include <fstream> int GetARandomNumberBetween1And60() { returnrandom()/(RAND_MAX/60)+1; }; void initrandom(unsigned seed){ #define RANDSIZE 256 static char randstate[RANDSIZE]; initstate(seed, randstate, RANDSIZE); } main(int argc,char ** argv) { initrandom(getpid()); // seeding for a new sequence of pseudo-random integers // let generate 8 number between 1 and 60 list<long int> Series; long int n; long long DrawNumber,InitialDrawNumber; ofstream OutputFileMonitor; OutputFileMonitor.open("Monitor"); DrawNumber=atoll(argv[1]); ...