82 lines
2.3 KiB
Fortran
82 lines
2.3 KiB
Fortran
! { 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. This tests that the character
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! lengths are transmitted OK.
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!
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! Contributed by Paul Thomas <pault@gcc.gnu.org>
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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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character(8):: c
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end type a
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interface assignment(=)
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module procedure a_to_a, c_to_a, a_to_c
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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)
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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 = len ( trim(n%c))
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m%c = n%c
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end subroutine a_to_a
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elemental subroutine c_to_a (m, n)
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character(8), intent(in) :: n
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type(a), intent(out) :: m
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m%b = m%b + 1
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m%c = n
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end subroutine c_to_a
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elemental subroutine a_to_c (m, n)
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type(a), intent(in) :: n
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character(8), intent(out) :: m
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m = n%c
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end subroutine a_to_c
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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, "one"),a (0, "two"),a (0, "three"),a (0, "four")/)
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y = x
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l1 = (/t,f,f,t/)
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call test_where_char1
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call test_where_char2
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if (any(y .ne. &
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(/a(4, "null"), a(8, "non-null"), a(8, "non-null"), a(4, "null")/))) call abort ()
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contains
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subroutine test_where_char1 ! Test a WHERE blocks
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where (l1)
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y = a (0, "null")
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elsewhere
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y = x
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end where
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end subroutine test_where_char1
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subroutine test_where_char2 ! Test a WHERE blocks
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where (y%c .ne. "null")
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y = a (99, "non-null")
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endwhere
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end subroutine test_where_char2
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end program test
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! { dg-final { cleanup-modules "global" } }
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