35 lines
1.2 KiB
Fortran
35 lines
1.2 KiB
Fortran
! { dg-do run }
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! { dg-additional-sources c_f_pointer_logical_driver.c }
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! Verify that c_f_pointer exists for C logicals (_Bool).
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module c_f_pointer_logical
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use, intrinsic :: iso_c_binding, only: c_bool, c_f_pointer, c_ptr, c_int
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contains
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subroutine test_scalar(c_logical_ptr) bind(c)
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type(c_ptr), value :: c_logical_ptr
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logical(c_bool), pointer :: f03_logical_ptr
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call c_f_pointer(c_logical_ptr, f03_logical_ptr)
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if(f03_logical_ptr .neqv. .true.) call abort ()
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end subroutine test_scalar
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subroutine test_array(c_logical_array, num_elems) bind(c)
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type(c_ptr), value :: c_logical_array
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integer(c_int), value :: num_elems
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logical(c_bool), pointer, dimension(:) :: f03_logical_array
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integer :: i
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call c_f_pointer(c_logical_array, f03_logical_array, (/ num_elems /))
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! Odd numbered locations are true (even numbered offsets in C)
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do i = 1, num_elems, 2
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if(f03_logical_array(i) .neqv. .true.) call abort ()
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end do
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! Even numbered locations are false.
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do i = 2, num_elems, 2
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if(f03_logical_array(i) .neqv. .false.) call abort ()
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end do
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end subroutine test_array
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end module c_f_pointer_logical
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! { dg-final { cleanup-modules "c_f_pointer_logical" } }
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