test_puremexOpenmp.cxx

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#include "mex.h"
#include <omp.h>

void mexFunction(int nlhs, mxArray* plhs[], int nrhs, const mxArray* prhs[])
{
  // omp_set_dynamic(1);
  // omp_set_num_threads(3);
#pragma omp parallel
    {
    mexPrintf("Max num threads %d.\n", omp_get_max_threads());
#pragma omp for
    for (int i = 0; i < 10; i++)
      {
      mexPrintf("Num threads %d, thread ID %d.\n", omp_get_num_threads(), omp_get_thread_num());
      }
    }
}