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module legacy_array_sections_07_module !! [order = polynomial degree + 1]
interface db1ink
module procedure :: db1ink_default
end interface
public :: db1ink
contains
pure subroutine db1ink_default(x)
implicit none
real(4), dimension(:), intent(in) :: x
call check_inputs(x=x)
end subroutine db1ink_default
pure subroutine check_inputs(x, y)
implicit none
real(4), dimension(:), intent(in), optional :: x, y
end subroutine check_inputs
end module legacy_array_sections_07_module
program legacy_array_sections_07
use legacy_array_sections_07_module
implicit none
real :: x(5), y(2)
x = [1.0, 2.0, 3.0, 4.0, 5.0]
y = [6.0, 7.0]
call db1ink_default(x)
print *, x
if (any(x - [1.0, 2.0, 3.0, 4.0, 5.0] > 1e-6)) error stop
call check_inputs(x, y)
print *, y
if (any(y - [6.0, 7.0] > 1e-6)) error stop
end program legacy_array_sections_07
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