34 lines
967 B
Fortran
34 lines
967 B
Fortran
! { dg-do compile }
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! { dg-options "-std=legacy" }
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!
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! PR20866 - A statement function cannot be recursive.
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! Contributed by Joost VandeVondele <jv244@cam.ac.uk>
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!
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! Modified 20051110 to check that regressions PR24655 and PR24755
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! are fixed. Thanks to pavarini@pv.infn.it and tdeutsch@cea.fr for
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! the tests.
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!
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INTEGER :: i, st1, st2, st3, lambda, n
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REAL :: x, z(2,2)
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character(8) :: ch
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real(8) :: fi, arg, sigma, dshpfunc
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real(8), parameter :: one=1d0
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!
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! Test check for recursion via other statement functions, string
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! length references, function actual arguments and array index
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! references.
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!
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st1 (i) = len (ch(st2 (1):8))
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st2 (i) = max (st3 (1), 4)
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st3 (i) = 2 + cos (z(st1 (1), i)) ! { dg-error "is recursive" }
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!
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! Test the two regressions.
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!
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fi (n) = n *one
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dshpfunc (arg)=-lambda/sigma*(arg/sigma)**(lambda-1)*exp(-(arg/sigma)**lambda)
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!
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! References to each statement function.
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!
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write(6,*) st1 (1), fi (2), dshpfunc (1.0_8)
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END
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