Edit File: foo_use.f90
subroutine sum_with_use(x, res) use precision implicit none real(kind=rk), intent(in) :: x(:) real(kind=rk), intent(out) :: res integer :: i !print *, "size(x) = ", size(x) res = 0.0 do i = 1, size(x) res = res + x(i) enddo end subroutine