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jeremybenn |
! { dg-do compile }
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! Tests the fix for PR30407, in which operator assignments did not work
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! in WHERE blocks or simple WHERE statements.
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!
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! Contributed by Paul Thomas
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!******************************************************************************
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module global
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type :: a
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integer :: b
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integer :: c
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end type a
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interface assignment(=)
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module procedure a_to_a
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end interface
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interface operator(.ne.)
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module procedure a_ne_a
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end interface
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type(a) :: x(4), y(4), z(4), u(4, 4)
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logical :: l1(4), t = .true., f= .false.
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contains
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!******************************************************************************
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elemental subroutine a_to_a (m, n)
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type(a), intent(in) :: n
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type(a), intent(out) :: m
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m%b = n%b + 1
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m%c = n%c
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end subroutine a_to_a
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!******************************************************************************
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elemental logical function a_ne_a (m, n)
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type(a), intent(in) :: n
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type(a), intent(in) :: m
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a_ne_a = (m%b .ne. n%b) .or. (m%c .ne. n%c)
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end function a_ne_a
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!******************************************************************************
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elemental function foo (m)
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type(a) :: foo
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type(a), intent(in) :: m
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foo%b = 0
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foo%c = m%c
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end function foo
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end module global
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!******************************************************************************
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program test
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use global
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x = (/a (0, 1),a (0, 2),a (0, 3),a (0, 4)/)
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y = x
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z = x
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l1 = (/t, f, f, t/)
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call test_where_1
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if (any (y .ne. (/a (2, 1),a (2, 2),a (2, 3),a (2, 4)/))) call abort ()
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call test_where_2
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if (any (y .ne. (/a (1, 0),a (2, 2),a (2, 3),a (1, 0)/))) call abort ()
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if (any (z .ne. (/a (3, 4),a (1, 0),a (1, 0),a (3, 1)/))) call abort ()
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call test_where_3
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if (any (y .ne. (/a (1, 0),a (1, 2),a (1, 3),a (1, 0)/))) call abort ()
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y = x
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call test_where_forall_1
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if (any (u(4, :) .ne. (/a (1, 4),a (2, 2),a (2, 3),a (1, 4)/))) call abort ()
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l1 = (/t, f, t, f/)
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call test_where_4
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if (any (x .ne. (/a (1, 1),a (2, 1),a (1, 3),a (2, 3)/))) call abort ()
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contains
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!******************************************************************************
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subroutine test_where_1 ! Test a simple WHERE
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where (l1) y = x
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end subroutine test_where_1
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!******************************************************************************
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subroutine test_where_2 ! Test a WHERE blocks
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where (l1)
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y = a (0, 0)
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z = z(4:1:-1)
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elsewhere
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y = x
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z = a (0, 0)
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end where
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end subroutine test_where_2
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!******************************************************************************
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subroutine test_where_3 ! Test a simple WHERE with a function assignment
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where (.not. l1) y = foo (x)
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end subroutine test_where_3
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!******************************************************************************
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subroutine test_where_forall_1 ! Test a WHERE in a FORALL block
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forall (i = 1:4)
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where (.not. l1)
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u(i, :) = x
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elsewhere
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u(i, :) = a(0, i)
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endwhere
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end forall
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end subroutine test_where_forall_1
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!******************************************************************************
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subroutine test_where_4 ! Test a WHERE assignment with dependencies
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where (l1(1:3))
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x(2:4) = x(1:3)
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endwhere
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end subroutine test_where_4
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end program test
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! { dg-final { cleanup-modules "global" } }
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