[Openmp-dev] omp_get_team_size(1) returns wrong value on Windows

[Simone Atzeni via Openmp-dev]

Hi,

Given this program:

--------------------------------------------------------------------
#include <stdio.h>
#include "omp.h"

int main()
{
  printf("omp_get_team_size(1) = %d\n", omp_get_team_size(1));
}
--------------------------------------------------------------------

omp_get_team_size(1) should return -1 when it's outside a parallel region.
This is the case for Linux, but not for Windows. On Windows it returns 1.

I am using PGI compiler and LLVM OpenMP 6.0.
I don't have access to Clang on Windows at the moment, so I can't say if it's a compiler or runtime bug.
Could any of you confirm this behavior with Clang?

Thanks.
Simone

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