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111
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1 ! { dg-do run }
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2 !
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3 ! Test functionality of pointer class arrays:
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4 ! ALLOCATE with source, ASSOCIATED, DEALLOCATE, passing as arguments for
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5 ! ELEMENTAL and non-ELEMENTAL procedures, SELECT TYPE and LOWER/UPPER.
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6 !
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7 type :: type1
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8 integer :: i
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9 end type
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10 type, extends(type1) :: type2
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11 real :: r
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12 end type
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13 class(type1), pointer, dimension (:) :: x
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14
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15 allocate(x(2), source = type2(42,42.0))
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16 call display(x, [1], [2], t2 = [type2(42,42.0),type2(42,42.0)])
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17 call display(x, [1], [2], t2 = [type2(111,99.0),type2(111,99.0)])
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18 if (associated (x)) deallocate (x)
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19
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20 allocate(x(1:4), source = [(type2(i,42.0 + float (i)), i = 1, 4)])
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21 call display(x, [1], [4], t2 = [(type2(i,42.0 + float (i)), i = 1, 4)])
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22 call display(x, [1], [4], t2 = [(type2(111,99.0), i = 1, 4)])
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23
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131
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24 if (any (disp (x) .ne. [99.0,99.0,99.0,99.0])) STOP 1
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111
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25
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26 if (associated (x)) deallocate (x)
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27
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28 allocate(x(1:4), source = type1(42))
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29 call display(x, [1], [4], t1 = [(type1(42), i = 1, 4)])
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30 call display(x, [1], [4], t1 = [type1(42),type1(99),type1(42),type1(42)])
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131
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31 if (any (disp (x) .ne. [0.0,0.0,0.0,0.0])) STOP 2
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111
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32
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33 if (associated (x)) deallocate (x)
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34
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35 contains
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36 subroutine display(x, lower, upper, t1, t2)
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37 class(type1), pointer, dimension (:) :: x
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38 integer, dimension (:) :: lower, upper
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39 type(type1), optional, dimension(:) :: t1
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40 type(type2), optional, dimension(:) :: t2
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41 select type (x)
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42 type is (type1)
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43 if (present (t1)) then
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131
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44 if (any (x%i .ne. t1%i)) STOP 3
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111
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45 else
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131
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46 STOP 4
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111
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47 end if
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48 x(2)%i = 99
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49 type is (type2)
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50 if (present (t2)) then
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131
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51 if (any (x%i .ne. t2%i)) STOP 5
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52 if (any (x%r .ne. t2%r)) STOP 6
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111
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53 else
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131
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54 STOP 7
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111
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55 end if
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56 x%i = 111
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57 x%r = 99.0
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58 end select
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59 call bounds (x, lower, upper)
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60 end subroutine
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61 subroutine bounds (x, lower, upper)
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62 class(type1), pointer, dimension (:) :: x
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63 integer, dimension (:) :: lower, upper
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131
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64 if (any (lower .ne. lbound (x))) STOP 8
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65 if (any (upper .ne. ubound (x))) STOP 9
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111
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66 end subroutine
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67 elemental function disp(y) result(ans)
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68 class(type1), intent(in) :: y
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69 real :: ans
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70 select type (y)
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71 type is (type1)
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72 ans = 0.0
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73 type is (type2)
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74 ans = y%r
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75 end select
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76 end function
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77 end
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78
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