title: OpenMP and sections
body: <p>i have the following code :</p>
  
  <pre><code>#pragma omp parallel sections num_threads(2) {
    #pragma omp section
     Function_1;
     #pragma omp section
     Function_2;
  }
  </code></pre>
  
  <p>but within the Function_1 and Function_2, i have a parallel for but just one thread run it.
  So, how run the Function_1 and Function_2 in parallel and run several threads within these functions?</p>
  
  <p>thx!</p>