C / C++ - parallel for Directive Example

#include <omp.h>
#define N       1000
#define CHUNKSIZE   100

main ()  {

int i, chunk;
float a[N], b[N], c[N];

/* Some initializations */
for (i=0; i < N; i++)
  a[i] = b[i] = i * 1.0;
chunk = CHUNKSIZE;

#pragma omp parallel for \
   shared(a,b,c,chunk) private(i) \
   schedule(static,chunk)
  for (i=0; i < n; i++)
    c[i] = a[i] + b[i];
}