phivenv/Lib/site-packages/numpy/f2py/tests/src/crackfortran/gh2848.f90

      subroutine gh2848( &
        ! first 2 parameters
        par1, par2,&
        ! last 2 parameters
        par3, par4)

        integer, intent(in)  :: par1, par2
        integer, intent(out) :: par3, par4

        par3 = par1
        par4 = par2

      end subroutine gh2848