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jeremybenn |
! { dg-do run }
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! { dg-additional-sources c_f_pointer_shape_tests_2_driver.c }
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! Verify that the optional SHAPE parameter to c_f_pointer can be of any
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! valid integer kind. We don't test all kinds here since it would be
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! difficult to know what kinds are valid for the architecture we're running on.
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! However, testing ones that should be different should be sufficient.
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module c_f_pointer_shape_tests_4
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use, intrinsic :: iso_c_binding
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implicit none
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contains
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subroutine test_long_long_1d(cPtr, num_elems) bind(c)
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use, intrinsic :: iso_c_binding
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type(c_ptr), value :: cPtr
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integer(c_int), value :: num_elems
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integer, dimension(:), pointer :: myArrayPtr
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integer(c_long_long), dimension(1) :: shape
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integer :: i
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shape(1) = num_elems
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call c_f_pointer(cPtr, myArrayPtr, shape)
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do i = 1, num_elems
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if(myArrayPtr(i) /= (i-1)) call abort ()
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end do
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end subroutine test_long_long_1d
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subroutine test_long_long_2d(cPtr, num_rows, num_cols) bind(c)
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use, intrinsic :: iso_c_binding
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type(c_ptr), value :: cPtr
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integer(c_int), value :: num_rows
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integer(c_int), value :: num_cols
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integer, dimension(:,:), pointer :: myArrayPtr
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integer(c_long_long), dimension(3) :: shape
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integer :: i,j
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shape(1) = num_rows
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shape(2) = -3;
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shape(3) = num_cols
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call c_f_pointer(cPtr, myArrayPtr, shape(1:3:2))
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do j = 1, num_cols
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do i = 1, num_rows
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if(myArrayPtr(i,j) /= ((j-1)*num_rows)+(i-1)) call abort ()
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end do
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end do
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end subroutine test_long_long_2d
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subroutine test_long_1d(cPtr, num_elems) bind(c)
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use, intrinsic :: iso_c_binding
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type(c_ptr), value :: cPtr
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integer(c_int), value :: num_elems
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integer, dimension(:), pointer :: myArrayPtr
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integer(c_long), dimension(1) :: shape
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integer :: i
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shape(1) = num_elems
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call c_f_pointer(cPtr, myArrayPtr, shape)
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do i = 1, num_elems
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if(myArrayPtr(i) /= (i-1)) call abort ()
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end do
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end subroutine test_long_1d
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subroutine test_int_1d(cPtr, num_elems) bind(c)
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use, intrinsic :: iso_c_binding
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type(c_ptr), value :: cPtr
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integer(c_int), value :: num_elems
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integer, dimension(:), pointer :: myArrayPtr
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integer(c_int), dimension(1) :: shape
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integer :: i
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shape(1) = num_elems
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call c_f_pointer(cPtr, myArrayPtr, shape)
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do i = 1, num_elems
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if(myArrayPtr(i) /= (i-1)) call abort ()
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end do
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end subroutine test_int_1d
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subroutine test_short_1d(cPtr, num_elems) bind(c)
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use, intrinsic :: iso_c_binding
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type(c_ptr), value :: cPtr
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integer(c_int), value :: num_elems
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integer, dimension(:), pointer :: myArrayPtr
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integer(c_short), dimension(1) :: shape
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integer :: i
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shape(1) = num_elems
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call c_f_pointer(cPtr, myArrayPtr, shape)
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do i = 1, num_elems
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if(myArrayPtr(i) /= (i-1)) call abort ()
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end do
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end subroutine test_short_1d
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subroutine test_mixed(cPtr, num_elems) bind(c)
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use, intrinsic :: iso_c_binding
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type(c_ptr), value :: cPtr
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integer(c_int), value :: num_elems
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integer, dimension(:), pointer :: myArrayPtr
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integer(c_int), dimension(1) :: shape1
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integer(c_long_long), dimension(1) :: shape2
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integer :: i
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shape1(1) = num_elems
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call c_f_pointer(cPtr, myArrayPtr, shape1)
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do i = 1, num_elems
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if(myArrayPtr(i) /= (i-1)) call abort ()
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end do
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nullify(myArrayPtr)
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shape2(1) = num_elems
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call c_f_pointer(cPtr, myArrayPtr, shape2)
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do i = 1, num_elems
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if(myArrayPtr(i) /= (i-1)) call abort ()
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end do
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end subroutine test_mixed
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end module c_f_pointer_shape_tests_4
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! { dg-final { cleanup-modules "c_f_pointer_shape_tests_4" } }
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