FOR_default.cpp

/*

#include <stdio.h>

#include <stdlib.h>

#include <omp.h>

#include <boost/timer.hpp>

int num_steps=100; 

int main()

{

boost::timer t;

int a = 0;

printf("main area / a = %d  \n",  a);

#pragma  omp parallel default(none)  private(a) // default(shared) 

{

if( omp_get_thread_num() == 0) 

a = 1;

else 

a = 2;

printf("%d thread area / a = %d  \n", omp_get_thread_num(), a);

}

    printf("main area / a = %d  \n",  a);

double t2_insert = t.elapsed();

printf("time:  %.8lf \n", t2_insert);

return EXIT_SUCCESS;

}

*/