File: e.53.1.f90

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gcc-avr 1%3A5.4.0%2BAtmel3.6.1-2
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! { dg-do run }

module e_53_1_mod
  integer :: THRESHOLD = 20
contains
  integer recursive function fib (n) result (f)
    !$omp declare target
    integer :: n
    if (n <= 0) then
      f = 0
    else if (n == 1) then
      f = 1
    else
      f = fib (n - 1) + fib (n - 2)
    end if
  end function

  integer function fib_wrapper (n)
    integer :: x
    !$omp target map(to: n) if(n > THRESHOLD)
      x = fib (n)
    !$omp end target
    fib_wrapper = x
  end function
end module

program e_53_1
  use e_53_1_mod, only : fib, fib_wrapper
  if (fib (15) /= fib_wrapper (15)) call abort
  if (fib (25) /= fib_wrapper (25)) call abort
end program