Test which checks that the omp_get_num_threads returns the correct number of threads. Therefor it counts up a variable in a parallelized section and compars this value with the result of the omp_get_num_threads function.
2.0
omp_get_num_threads
#include
#include "omp_testsuite.h"
int omp_get_num_threads (FILE * logFile)
{
/* checks that omp_get_num_threads is equal to the number of
threads */
int nthreads_lib;
int nthreads = 0;
nthreads_lib = -1;
#pragma omp parallel
{
#pragma omp critical
{
nthreads++;
} /* end of critical */
#pragma omp single
{
nthreads_lib = omp_get_num_threads ();
} /* end of single */
} /* end of parallel */
fprintf (logFile, "Counted %d threads. get_num_threads returned %d.\n", nthreads, nthreads_lib);
return (nthreads == nthreads_lib);
}