! Program to test functions returning arrays
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! Program to test functions returning arrays
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program testfnarray
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program testfnarray
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implicit none
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implicit none
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integer, dimension (6, 5) :: a
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integer, dimension (6, 5) :: a
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integer n
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integer n
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! These first two shouldn't require a temporary.
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! These first two shouldn't require a temporary.
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a = 0
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a = 0
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a = test(6, 5)
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a = test(6, 5)
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if (a(1,1) .ne. 42) call abort
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if (a(1,1) .ne. 42) call abort
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if (a(6,5) .ne. 43) call abort
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if (a(6,5) .ne. 43) call abort
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a = 0
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a = 0
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a(1:6:2, 2:5) = test2()
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a(1:6:2, 2:5) = test2()
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if (a(1,2) .ne. 42) call abort
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if (a(1,2) .ne. 42) call abort
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if (a(5,5) .ne. 43) call abort
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if (a(5,5) .ne. 43) call abort
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a = 1
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a = 1
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! This requires a temporary
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! This requires a temporary
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a = test(6, 5) - a
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a = test(6, 5) - a
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if (a(1,1) .ne. 41) call abort
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if (a(1,1) .ne. 41) call abort
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if (a(6,5) .ne. 42) call abort
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if (a(6,5) .ne. 42) call abort
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contains
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contains
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function test (x, y)
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function test (x, y)
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implicit none
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implicit none
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integer x, y
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integer x, y
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integer, dimension (1:x, 1:y) :: test
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integer, dimension (1:x, 1:y) :: test
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test(1, 1) = 42
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test(1, 1) = 42
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test(x, y) = 43
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test(x, y) = 43
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end function
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end function
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function test2 () result (foo)
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function test2 () result (foo)
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implicit none
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implicit none
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integer, dimension (3, 4) :: foo
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integer, dimension (3, 4) :: foo
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foo(1, 1) = 42
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foo(1, 1) = 42
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foo(3, 4) = 43
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foo(3, 4) = 43
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end function
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end function
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end program
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end program
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