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program shifta_02
integer(kind=8) :: n, x
integer result
n = 2**30 - 1
x = 1
result = shifta(n, x)
print *, "shifta(", n, ", ", x, ") = ", result
if (result /= 536870911) error stop
n = 2**29
x = 32
result = shifta(n, x)
print *, "shifta(", n, ", ", x, ") = ", result
if (result /= 0) error stop
block
integer(8) :: x = 32
integer :: y = 2
result = shifta(x, y)
print *, "shifta(", x, ", ", y, ") = ", result
if (result /= 8) error stop "Test case failed: shifta type mismatch"
end block
end program
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