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!
! (C) 2014 by Argonne National Laboratory.
! See COPYRIGHT in top-level directory.
!
program main
! This is a simple test to check that both the MPI and PMPI versions of the
! timers are available, and that they return double precision values.
! If this code links, there are no problems.
!
use mpi_f08
implicit none
integer err
double precision time1
call mpi_init(err)
time1 = mpi_wtime()
time1 = time1 + mpi_wtick()
time1 = time1 + pmpi_wtime()
time1 = time1 + pmpi_wtick()
! Add a test on time1 to ensure that the compiler does not remove the calls
! (The compiler should call them anyway because they aren't pure, but
! including these operations ensures that a buggy compiler doesn't
! pass this test by mistake).
if (time1 .lt. 0.0d0) then
print *, ' Negative time result'
else
print *, ' No Errors'
endif
call mpi_finalize(err)
end
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