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2.18 omp_get_team_size – Number of threads in a team

Description:
This function returns the number of threads in a thread team to which either the current thread or its ancestor belongs. For values of level outside zero to omp_get_level, -1 is returned; if level is zero, 1 is returned, and for omp_get_level, the result is identical to omp_get_num_threads.
C/C++:

Prototype: int omp_get_team_size(int level);

Fortran:

Interface: integer function omp_get_team_size(level)
integer level

See also:
omp_get_num_threads, omp_get_level, omp_get_ancestor_thread_num
Reference:
OpenMP specification v4.5, Section 3.2.19.