| <ompts:test> |
| <ompts:testdescription>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.</ompts:testdescription> |
| <ompts:ompversion>2.0</ompts:ompversion> |
| <ompts:directive>omp_get_num_threads</ompts:directive> |
| <ompts:testcode> |
| #include <stdio.h> |
| |
| #include "omp_testsuite.h" |
| |
| int <ompts:testcode:functionname>omp_get_num_threads</ompts:testcode:functionname> (FILE * logFile) |
| { |
| /* checks that omp_get_num_threads is equal to the number of |
| threads */ |
| <ompts:orphan:vars> |
| int nthreads_lib; |
| </ompts:orphan:vars> |
| int nthreads = 0; |
| |
| nthreads_lib = -1; |
| |
| #pragma omp parallel |
| { |
| #pragma omp critical |
| { |
| nthreads++; |
| } /* end of critical */ |
| #pragma omp single |
| { |
| <ompts:orphan> |
| <ompts:check>nthreads_lib = omp_get_num_threads ();</ompts:check> |
| </ompts:orphan> |
| } /* end of single */ |
| } /* end of parallel */ |
| |
| fprintf (logFile, "Counted %d threads. get_num_threads returned %d.\n", nthreads, nthreads_lib); |
| return (nthreads == nthreads_lib); |
| } |
| </ompts:testcode> |
| </ompts:test> |