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jeremybenn |
! Tests for MIN and MAX intrinsics with character arguments
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!
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! { dg-do run }
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program test
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character(len=3), parameter :: sp = "gee"
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character(len=6), parameter :: tp = "crunch", wp = "flunch"
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character(len=2), parameter :: up = "az", vp = "da"
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character(len=3) :: s
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character(len=6) :: t, w
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character(len=2) :: u, v
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s = "gee"
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t = "crunch"
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u = "az"
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v = "da"
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w = "flunch"
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if (.not. equal(min("foo", "bar"), "bar")) call abort
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if (.not. equal(max("foo", "bar"), "foo")) call abort
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if (.not. equal(min("bar", "foo"), "bar")) call abort
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if (.not. equal(max("bar", "foo"), "foo")) call abort
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if (.not. equal(min("bar", "foo", sp), "bar")) call abort
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if (.not. equal(max("bar", "foo", sp), "gee")) call abort
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if (.not. equal(min("bar", sp, "foo"), "bar")) call abort
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if (.not. equal(max("bar", sp, "foo"), "gee")) call abort
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if (.not. equal(min(sp, "bar", "foo"), "bar")) call abort
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if (.not. equal(max(sp, "bar", "foo"), "gee")) call abort
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if (.not. equal(min("foo", "bar", s), "bar")) call abort
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if (.not. equal(max("foo", "bar", s), "gee")) call abort
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if (.not. equal(min("foo", s, "bar"), "bar")) call abort
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if (.not. equal(max("foo", s, "bar"), "gee")) call abort
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if (.not. equal(min(s, "foo", "bar"), "bar")) call abort
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if (.not. equal(max(s, "foo", "bar"), "gee")) call abort
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if (.not. equal(min("", ""), "")) call abort
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if (.not. equal(max("", ""), "")) call abort
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if (.not. equal(min("", " "), " ")) call abort
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if (.not. equal(max("", " "), " ")) call abort
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if (.not. equal(min(u,v,w), "az ")) call abort
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if (.not. equal(max(u,v,w), "flunch")) call abort
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if (.not. equal(min(u,vp,w), "az ")) call abort
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if (.not. equal(max(u,vp,w), "flunch")) call abort
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if (.not. equal(min(u,v,wp), "az ")) call abort
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if (.not. equal(max(u,v,wp), "flunch")) call abort
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if (.not. equal(min(up,v,w), "az ")) call abort
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if (.not. equal(max(up,v,w), "flunch")) call abort
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call foo("gee ","az ",s,t,u,v)
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call foo("gee ","az ",s,t,u,v)
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call foo("gee ","az ",s,t,u)
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call foo("gee ","crunch",s,t)
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contains
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subroutine foo(res_max, res_min, a, b, c, d)
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character(len=*) :: res_min, res_max
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character(len=*), optional :: a, b, c, d
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if (.not. equal(min(a,b,c,d), res_min)) call abort
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if (.not. equal(max(a,b,c,d), res_max)) call abort
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end subroutine foo
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pure function equal(a,b)
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character(len=*), intent(in) :: a, b
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logical :: equal
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equal = (len(a) == len(b)) .and. (a == b)
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end function equal
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end program test
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