OpenMp program. To compile this in C++ $ g++ table.cpp -fopenmp -o table #this assumes openmp is installed in your system. $ export OMP_NUM_THREADS=4 #set the number of threads needed for you.

openmp1.cpp

#include<iostream>
#include <cmath>
  int main()
  {
    const int size = 256;
    double sinTable[size];
   
    #pragma omp parallel 
   {
	printf("hello\n");
   }
 
    #pragma omp parallel for
    for(int n=0; n<size; ++n)
      sinTable[n] = std::sin(2 * M_PI * n / size);
  
  }