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  1. import mpi.*;
  2. import java.util.Random;
  3.  
  4. public class PoissonGenerator {
  5.     public static void main(String[] args) throws Exception {
  6.         MPI.Init(args);
  7.         int myid = MPI.COMM_WORLD.Rank();
  8.         int numprocs = MPI.COMM_WORLD.Size();
  9.         int totalNumbers = 1000000;
  10.         int numbersPerProc = totalNumbers / numprocs;
  11.         double lambda = 10.0;
  12.  
  13.         Random rand = new Random();
  14.         double[] localNumbers = new double[numbersPerProc];
  15.  
  16.         for (int i = 0; i < numbersPerProc; i++) {
  17.             int k = rand.nextInt(21);
  18.             double probability = Math.exp(-lambda) * Math.pow(lambda, k) / factorial(k);
  19.             localNumbers[i] = probability;
  20.         }
  21.  
  22.         MPI.Finalize();
  23.     }
  24.  
  25.     private static double factorial(int n) {
  26.         double result = 1.0;
  27.         for (int i = 2; i <= n; i++)
  28.             result *= i;
  29.         return result;
  30.     }
  31. }
Success #stdin #stdout #stderr 0.27s 40680KB
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Standard input is empty
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Standard output is empty
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Error: unexpected symbol in "import mpi."
Execution halted
https://ideone.com/eJuI0m
language:
R (R 3.5.2)
created:
2 days ago
visibility:
public

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